Advances in Rhizobium research

Critical Reviews in Plant Sciences

Volumn 21, Issue 4, 2002, Pages 323-378

  Sessitsch, A ^a   Howieson, J G ^b   Perret, X ^c   Antoun, H ^d   Martinez Romero E ^e  

^a ARC SEIBERSDORF RESEARCH GMBH   (Austria)

^b MURDOCH UNIVERSITY   (Australia)

^c UNIVERSITY OF GENEVA   (Switzerland)

^d UNIVERSITÉ LAVAL   (Canada)

^e INSTITUTO DE CIENCIAS FÍSICAS   (Mexico)

Author keywords

Biological nitrogen fixation; Diversity; Genome structure; Plant growth promotion; Rhizobial competition

Indexed keywords

BACTERIA (MICROORGANISMS); RHIZOBIACEAE; RHIZOBIUM;

EID: 0036321085     PISSN: 07352689     EISSN: None     Source Type: Journal    
DOI: 10.1080/0735-260291044278     Document Type: Review

References (388)

1. Bradyrhizobium spp. (TGx) isolates nodulating the new soybean cultivars in Africa are diverse and distinct from bradyrhizobia that nodulate North American soybeans
2. Inoculation of chickpeas with Rhizobium sp. native to the province of Cordoba, Argentina
3. Rhizosphere soil aggregation and plant growth promotion of sunflowers by an exopolysaccharide-producing Rhizobium sp. strain isolated from sunflower roots
4. Competition for nodule formation between effective and ineffective strains of Rhizbium meliloti
5. Rhizobium gallicum sp. nov. and Rhizobium giardinii sp. nov., from Phaseolus vulgaris nodules
6. Presence of one linear and one circular chromosome in the Agrobacterium tumefaciens C58 genome
7. Influence of lime and phosphate on nodulation of soil-grown Trifolium subterraneum L. by indigenous Rhizobium trifolii
8. Potential of Rhizobium and Bradyrhizobium species as plant growth promoting rhizobacteria on non-legumes: Effect on radishes (Raphanus sativus L.)
9. Plant growth promoting rhizobacteria (PGPR)
10. The effect of cultivated and wild rice varieties on the nitrogen balance of flooded soil
11. A hydrophobic mutant of Rhizobium etli altered in nodulation competitiveness and growth in the rhizosphere
12. A model for the catabolism of rhizopine in Rhizobium leguminosarum involves a ferredoxin oxygenase complex and the inositol degradative pathway
13. Biological nitrogen fixation (BNF) in non-leguminous plants: The role of endophytic diazotrophs
14. Ensifer
15. Distribution and characteristics of root-nodule bacteria isolated from Australian Acacia spp.
16. Nucleotide sequence and predicted functions of the entire Sinorhizobium meliloti pSymA megaplasmid
17. Isolation of endophytic diazotrophic bacteria from wetland rice
18. Biodiversity of bradyrhizobia nodulating Lupinus spp.
19. Complete nucleotide sequence of the replicator region of Paracoccus (Thiobacillus) versutus pTAV1 plasmid and its correlation to several plasmids of Agrobacterium and Rhizobium species
20. Chemotaxis, induced gene expression and competitiveness in the rhizosphere
21. Generation of new hydrogen-recycling Rhizobiaceae strains by introduction of a novel hup minitransposon
22. An obligatory endosymbiotic mycorrhizal fungus itself harbors obligatory intracellular bacteria
23. Cellular interactions between arbuscular mycorrhizal fungi and rhizosphere bacteria
24. Effect of long-term rotation with lentil on rhizosphere ecology and on endophytic rhizobia in wheat
25. Rhizobial inoculation improves nutrient uptake and growth of lowland rice
26. Rhizobial inoculation influences seedling vigor and yield of rice
27. Biological nitrogen fixation associated with sugar cane
28. Biological nitrogen fixation associated with sugar cane and rice: Contributions and prospects for improvement
29. Phenotypic grouping of Brazilian Bradyrhizobium strains which nodulate soybean
30. Stem nodulation in legumes: Diversity, mechanisms, and unusual characteristics
31. Structural characterisation of lipo-chitin oligosaccharides isolated from Bradyrhizobium aspalati, microsymbionts of commercially important South African legumes
32. Production of the anti-rhizobial peptide, trifolitoxin, in sterile soils by Rhizobium leguminosarum bv. trifolii
33. Alfalfa yield response to inoculation with recombinant strains of Rhizobium meliloti with an extra copy of dctABD and/or modified nifA expression
34. Ecology of Rhizobium and Bradyrhizobium
35. DNA sequence and mutational analysis of genes involved in the production and resistance of the antibiotic peptide trifolitoxin
36. Effects of environmental variables on the competition between inoculum strains and naturalised populations of Rhizobium trifolium for nodulation of Trifolium subterraneum L and on rhizobia persistence in the soil
37. Recent advances in inoculant technology and prospects for the future
38. Manipulation of rhizobia microflora for improving legume productivity and soil fertility: A critical assessment
39. Sinorhizobium meliloti in Australian soils: Population studies of the root-nodule bacteria for species of Medicago in soils of the Eyre Peninsula, South Australia
40. Different plasmids of Rhizobium leguminosarum bv. phaseoli are required for optimal symbiotic performance
41. In Rhizobium etli symbiotic plasmid transfer, nodulation competitivity and cellular growth require interaction among different replicons
42. Keys to symbiotic harmony
43. Isolation from the Sorghum bicolor mycorrhizosphere of a bacterium compatible with arbuscular mycorrhiza development and antagonistic towards soilborne fungal pathogens
44. Soil fertilization limits the genetic diversity of Rhizobium in bean nodules
45. A high-density physical map of Sinorhizobium meliloti 1021 chromosome derived from bacterial artificial chromosome library
46. Analysis of the chromosome sequence of the legume symbiont Sinorhizobium meliloti strain 1021
47. Hydroxamate siderophores of root nodule bacteria
48. Competitiveness and persistence of strains of rhizobia for faba bean in acid and alkaline soils
49. Ensifer adhaerens gen. nov., sp. nov.: A bacterial predator of bacteria in soil
50. Increase in alfalfa nodulation, nitrogen fixation and, plant growth by specific DNA amplification in Sinorhizobium meliloti
51. Root colonization of maize and lettuce by bioluminescent Rhizobium leguminosarum bv. phaseoli
52. Effect of phosphorus on root colonization and growth promotion of maize by bioluminescent mutants of phosphate-solubilizing Rhizobium leguminosarum biovar phaseoli
53. Photosynthetic bradyrhizobia are natural endophytes of the African wild rice Oryza breviligulata
54. Saprophytic competence as an important character in the selection of Rhizobium for inoculation
55. Genetic characterization of soybean rhizobia in Paraguay
56. Rhizobium hainanense sp. nov., isolated from tropical legumes
57. Medicago sativa and Medicago murex differ in the nodulation response to soil acidity
58. A Bradyrhizobium japonicum gene essential for nodulation competitiveness is differently regulated from two promoters
59. Characterization of two bioluminescent Rhizobium meliloti strains constructed for field releases
60. Methods of inoculation and how they influence nodulation pattern and notrogen fixation using two contrasting strains of Bradyrhizobium japonicum
61. Allorhizobium undicola gen. nov., sp. nov., nitrogen-fixing bacteria that efficiently nodulate Neptunia natans in Senegal
62. Characterization of tropical tree rhizobia and description of Mesorhizobium plurifarium sp. nov.
63. Polyphasic taxonomy of rhizobia: Emendation of the genus Sinorhizobium and description of Sinorhizobium meliloti comb. nov., Sinorhizobium saheli sp. nov., and Sinorhizobium teranga sp. nov.
64. Rhizobium lipochitooligosaccharide nodulation factors: Signaling molecules mediating recognition and morphogenesis
65. Sequence and distribution of IS1312: Evidence for horizontal DNA transfer from Rhizobium meliloti to Agrobacterium tumefaciens
66. Distribution, abundance and effectiveness of Rhizobium leguminosarum bv trifolii from alkaline pasture soils in South Australia
67. Analysis of Phaseolus-Rhizobium interactions in a subsistence farming system
68. Acid tolerance in root-nodule bacteria and selecting for it
69. DNA sequence od the common nodulation genes of Bradyrhizobium elkanii and their phylogenetic relationship to those of other nodulating bacteria
70. Diversity of bradyrhizobia from 27 tropical Leguminosae species native of Senegal
71. Genotypic characterization of Bradyrhizobium strains nodulating small Senegalese legumes by 16S-23S rRNA intergenic gene spacers and amplified length polymorphism fingerprint analysis
72. Phylogenetic classification and the universal tree
73. Competition for nodulation of legumes
74. Characterization of Azorhizobium caulinodans gen. nov., sp. nov., a stem-nodulating nitrogen-fixing bacterium isolated from Sesbania rostrata
75. Bradyrhizobium populations occur in deep soil under the leguminous tree Acacia albida
76. Phenotypic and genotypic characterization of bradyrhizobia nodulating the leguminous tree Acacia albida
77. Effect of carbon source supply and its location on competition between inoculated and established bacterial strains in sterile soil microcosm
78. Santa Rosalia revisited: Why are there so many species of bacteria?
79. Genetic structure of natural populations of the nitrogen-fixing bacterium Rhizobium meliloti
80. Use of green fluorescent protein to detect expression of nif genes of Azoarcus sp. BH72, a grass-associated diazotroph, on rice roots
81. Preferential occurrence of diazotrophic endophytes, Azoarcus spp., in wild rice species and land races of Oryza sativa in comparison with modern races
82. Use of rhizobia in the control of root diseases of sunflower, okra, soybean and mungbean
83. The complete sequence of the 1,683-kb pSymB megaplasmid from the N2-fixing endosymbiont Sinorhizobium meliloti
84. Reiterated DNA sequences in Rhizobium and Agrobacterium spp.
85. Prediction, identification, and artificial selection of DNA rearrangements in Rhizobium: Toward a natural genomic design
86. Influence of reaction on nitrogen assimilating bacteria
87. Molecular basis of symbiosis between Rhizobium and legumes
88. 2-fixing legume tree Acacia caven in Uruguay
89. Investigation of myo-inositol catabolism in Rhizobium leguminosarum bv. viciae and its effect on nodulation competitiveness
90. Colonization of sugarcane by Acetobacter diazotrophicus is inhibited by high N-fertilization
91. A functional myo-inositol catabolism pathway is essential for rhizopine utilization by Sinorhizobium meliloti
92. The composite genome of the legume symbiont Sinorhizobium meliloti
93. Growth promoting effect of two Sinorhizobium meliloti strains (a wild type and its genetically modified derivative) on a non-legume plant species in specific interaction with two arbuscular mycorrhizal fungi
94. Limited genetic diversity of Brucella spp.
95. Genetic diversity of rhizobia isolated from Astragalus adsurgens growing in different geographical regions of China
96. Rhizobium plasmids in bacteria-legume interactions
97. Phylogenies of atpD and recA support the SSU rRNA-based classification of rhizobia
98. Ensifer adhaerens predatory activity against other soil bacteria in soil, as monitored by indirect phage analysis
99. A secondary effect of transformation in Rhizobium leguminosarum transgenic for Bacillus thuringiensis subspecies tenebrionis - Endotoxin (cryIIIA) genes
100. An experimental tset of the rhizopine concept in Rhizobium meliloti
101. Potential symbiosis-specific genes uncovered by sequencing a 410-kilobase DNA region of the Bradyrhizobium japonicum chromosome
102. Specific flavonoids stimulate intercellular colonization of non-legumes by Azorhizobium caulinodans
103. Interactions between bacterial diazotrophs and non-legume dicots: Arabidopsis thaliana as a model plant
104. The application of computer techniques to the taxonomy of the root-nodule bacteria of legumes
105. Stress tolerance in Rhizobium and Bradyrhizobium, and nodulation under adverse soil conditions
106. Differences among strains of Bradyrhizobium in fatty acid-methyl ester analysis
107. Nitrogen fixation in perspective: An overview of research and extension needs
108. Characterization of Astragalus sinicus rhizobia by restriction fragment length polymorphism analysis of chromosomal and nodulation gene regions
109. Natural endophytic association between Rhizobium etli and maize (Zea mays L.)
110. Ecological fitness, genomic islands and bacterial pathogenicity
111. Endophytic colonization of plants by the biocontrol agent Rhizobium etli G12 in relation to Meloidogyne incognita infection
112. Nitrogen fixation by soybean [Glycine max (L.) Merrill] as affected by nodulation patterns
113. Analysis of the presence and diversity of diazotrophic endophytes
114. Flavonoids released naturally from alfalfa seeds enhance growth rate of Rhizobium meliloti
115. Interspecific plasmid and genomic DNA sequence homologies and localization of nif genes in effective and ineffective strains of Rhizobium japonicum
116. Three phylogenetic groups of nodA and nifH genes in Sinorhizobium and Mesorhizobium isolates from leguminous trees growing in Africa and Latin America
117. A rhizopine strain of Sinorhizobium meliloti remains at a competitive nodulation advantage after an extended period in the soil
118. Early production of rhizopine in nodules induced by S. meliloti strain L5-30
119. Welche stickstoffquellen stehen der pflanze zu gebote?
120. Untersuchungen über die stickstoffnahrung der gramineen und leguminosen
121. At least five rhizobial species nodulate Phaseolus vulgaris in a Spanish soil
122. Breeding for enhanced nitrogen fixation in crop legumes
123. Effets de l'inoculation avec des souches de Rhizobium leguminosarum biovar trifolii sur la croissance du blé dans deux sols du Maroc
124. Plasmid-determined bacteriocin production by Rhizobium leguminosarum
125. Physical identification of bacteriocinogenic, nodulation, and other plasmids in strains of Rhizobium leguminosarum
126. Site-specific integration of the conjugal Vibrio cholerae SXT element into prfC
127. Plant growth stimulation by inoculation with the symbiotic and associative rhizosphere microorganisms
128. Rhizosphere colonization of different crops with growth promoting Pseudomonas and Rhizobium bacteria
129. Rhizosphere colonization and seedling growth promotion of lodgepole pine by Bacillus polymyxa
130. Physical map of the genome of Rhizobium meliloti
131. Calcium modifies pH effects on acid tolerant and acid sensitive strains of Rhizobium meliloti
132. External phosphate and calcium concentrations, but not the products of rhizobial nodulation genes, affect the attachment of Rhizobium meliloti to roots of annual medics
133. Biserrula pelecinus L. - A legume pasture species with potential for acid, duplex soils which is nodulated by unique root-nodule bacteria
134. Techniques for the selection and development of elite inoculant rhizobial strains in southern Australia
135. Changing roles for legumes in Mediterranean agriculture: Developments from an Australian perspective
136. Root colonization and systemic spreading of Azoarcus sp. strain BH72 in grasses
137. The role of plasmids in competition between strains of Rhizobium leguminosarum
138. A quantitative study of competition for nodule formation
139. Genome rearrangements and horizontal gene transfer in Bradyrhizobium japonicum
140. Infection of sugar cane by the nitrogen-fixing bacterium Acetobacter diazotrophicus
141. Infection and colonization of sugar cane and other graminaceous plants by endophytic diazotrophs
142. Nitrogen fixation in endophytic and associative symbiosis
143. Transfer of Rhizobium loti, Rhizobium huakuii, Rhizobium ciceri, Rhizobium mediterraneum, and Rhizobium tianshanense to Mesorhizobium gen. nov.
144. A functional myo-inositol dehydrogenase gene is required for efficient nitrogen fixation and competitiveness of Sinorhizobium fredii USDA191 to nodulate soybean (Glycine max [L.] Merr.)
145. Characterization of a Rhizobium meliloti proline dehydrogenase mutant altered in nodulation efficiency and competitiveness on alfalfa roots
146. The Rhizobium meliloti putA gene: Its role in the establishment of the symbiotic interaction with alfalfa
147. Genus II. Bradyrhizobium. Jordan 1984, 137VP
148. Direct monitoring of Rhizobium sp. (Cicer) in nodules and soil using lacZ fusions
149. Complete genome structure of the nitrogen-fixing symbiotic bacterium Mesorhizobium loti
150. Acetylene reduction by pure cultures of rhizobia
151. Biological nitrogen fixation; the global challenge and future needs
152. Rhizobium japonicum serogroup and hydrogenase phenotype distribution in twelve states
153. A nolC-lacZ gene fusion in Rhizobium fredii facilitates direct assessment of competition for nodulation of soybean
154. Genetic characterization of a mutant of Sinorhizobium fredii train USDA208 with enhanced competitive ability for nodulation of soybean, Glycine max (L.) Merr.
155. Nitrogen fixation in Pseudomonas stutzeri
156. Correlated physical and genetic map of the Bradyrhizobium japonicum 110 genome
157. A single rRNA gene region in Bradyrhizobium japonicum
158. Genus Rhizobium, a highly divergent genus in a revised family, the Rhizobiaceae
159. Influence of bovine slurry deposition on the structure of nodulating Rhizobium leguminosaum bv. viciae soil populations in a natural habitat
160. Survival of Azorhizobium caulinodans in the soils and rhizosphere of wetland rice under Sesbania rostrata-rice rotation
161. Numerical taxonomy of photosynthetic rhizobia nodulating Aeschynomene species
162. Molecular diversity of rhizobia occurring on native shrubby legumes in Southeastern Australia
163. A Rhizobium meliloti lipopolysaccharide mutant altered in competitiveness for nodulation of alfalfa
164. Conformity and diversity among field isolates of Rhizobium leguminosarum bv. viciae, bv. trifolii, and bv. phaseoli revealed by DNA hybridization using chromosome and plasmid probes
165. Classification of rhizobia based on nodC and nifH gene analysis reveals a close phylogenetic relationship among Phaseolus vulgaris symbionts
166. Mutations in GDP-fucose synthesis genes of Sinorhizobium fredii alters Nod factors and significantly decreases competitiveness to nodulate soybeans
167. Stimulation of adhesiveness, infectivity, and competitiveness for nodulation of Bradyrhizobium japonicum by its pretreatment with soybean seed lectin
168. Improved soybean root association of N-starved Bradyrhizobium japonicum
169. Nod factor thin-layer chromatography profiling as a tool to characterize symbiotic specificity of rhizobial strains: Application to Sinorhizobium saheli, S. teranga, and Rhizobium sp. strains isolated from Acacia and Sesbania
170. Distribution of symbiotic genotypes in Rhizobium leguminosarum biovar viciae populations isolated directly from soils
171. Endophytic rhizobia in barley and canola in rotation with field peas
172. Competition for Astralagus sinicus root nodule infection between ist native microsymbiont Rhizobium huakuii bv. renge B3 and Rhizobium sp. ACMP18 strain, specific for Astralagus cicer
173. Nodulation restrictive genotypes of Glycine and Amphicarpaea: A comparative analysis
174. Enhanced symbiotic performance by Rhizobium tropici glycogen synthase mutants
175. Mosaic bacterial chromosomes: A challenge en route to a tree of genomes
176. Nitrogen-fixing nodules induced by Agrobacterium tumefaciens harboring Rhizobium phaseoli plasmids
177. Increased bean (Phaseolus vulgaris L.) nodulation competitiveness of genetically modified Rhizobium strains
178. Recent developments in Rhizobium taxonomy
179. Comments on Rhizobium systematics. Lessons from R. tropici and R. etli
180. Rhizobium phylogenies and bacterial genetic diversity
181. Ribosomal gene based phylogenies on trial: The case of Rhizobium and related genera
182. Role of nitrogen fixation in common bean based cropping systems in Latin America: An overview of Phaseolus vulgaris-Rhizobium symbiosis
183. Generation of Rhizobium strains with improved symbiotic properties by random DNA amplification (RDA)
184. Dynamics of the genome architecture in Rhizobium sp. strain NGR234
185. Gene transfer between distantly related bacteria
186. Survey of indigenous bacterial endophytes from cotton and sweet corn
187. Perception and signal transduction of rhizobial NOD factors
188. Genetic relatedness of Bradyrhizobium japonicum field isolates as revealed by repeated sequences and various other characteristics
189. Rizhosphere response as a factor in competition among three serogroups of indigenous Rhizobium japonicum for nodulation of field-grown soybeans
190. Plasmids influence growth of rhizobia in the rhizosphere of clover
191. Photosynthetic bradyrhizobia from Aeschynomene spp. are specific to stem-nodulated species and form a separate 16S ribosomal DNA restriction fragment Length polymorphism group
192. The effect of temperature on nodulation and nitrogen fixation by five Bradyrhizobium japonicum strains
193. Biodiversity of rhizobia isolated from a wide range of forest legumes in Brazil
194. Biodiversity of rhizobia from a wide range of forest Leguminosae species in Brazil
195. Comparison of chromosomal genes from M. loti and S. meliloti suggest an ancestral genome
196. Nodulation of legumes by members of the b-subclass of Proteobacteria
197. Soybeans and sustainable agriculture. Promiscuous soyabeans in southern Africa
198. Rhizopines in the legume-Rhizobium symbiosis
199. Rhizopines: Their role in symbiosis and competition
200. The phylogenetic relationships of three bacteria strains isolated from the pasture legume Biserrula pelecinus L
201. Sinorhizobium arboris sp. nov., and Sinorhizobium kostiense sp. nov., isolated from leguminous trees in Sudan and Kenya
202. Rhizobium leguminosarum as a plant growth promoting rhizobacterium: Direct growth promotion of canola and lettuce
203. Rhizobium ciceri sp. nov., consisting of strains that nodulate chickpeas (Cicer arietinum L)
204. Genomic heterogeneity of strains nodulating chickpeas (Cicer arietinum L.) and description of Rhizobium mediterraneum sp. nov.
205. Xylem colonization of Sesbania rostrata by Azorhizobium caulinodans ORS571
206. Lateral gene transfer and the nature of bacterial innovation
207. Ti and cryptic plasmid-borne virulence of wild-type Agrobacterium tumefaciens strain CN15 isolated from chrysanthemum (Dendranthema grandiflora Tzvelev)
208. Plasmid-encoded catabolic genes in Rhizobium leguminosarum bv. trifolii: Evidence for a plant-inducible rhamnose locus involved in competition for nodulation
209. Cloning and characterization of a Rhizobium leguminosarum gene encoding a bacteriocin with similarities to RTX toxins
210. Identification of Rhizobium-specific intergenic mosaic elements within an essential two-component regulatory system of Rhizobium species
211. Competitiveness of native Bradyrhizobium japonicum strains in two different soil types
212. Higher diversity of Rhizobium leguminosarum biovar viciae populations in arable soils than in grass soils
213. Nodule bacteria for two species of serradella - Ornithopus sativus and Ornithopus compressus
214. Relationships of bradyrhizobia from the legumes Apios americana and Desmodium glutinosum
215. Relationships of bradyrhizobia from Platypodium and Machaerium (Papilionoideae: Tribe Dalbergieae) on Barro Colorado Island, Panama
216. Case of localized recombination in 23S rRNA genes from divergent Bradyrhizobium lineages associated with neotropical legumes
217. ExoB mutants of Bradyrhizobium japonicum with reduced competitiveness for nodulation of Glycine max
218. Differential pH-induced proteins in Rhizobium tropici CIAT 899 and Rhizobium etli CIAT 611
219. Growth promotion of chickpea and barley by a phosphate solubilizing strain of Mesorhizobium mediterraneum under growth chamber conditions
220. Minimizing gaseous losses of nitrogen
221. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production?
222. Seeds of Phaseolus vulgaris bean carry Rhizobium etli
223. Structure and evolution of NGRRS-1, a complex, repeated element in the genome of Rhizobium sp. strain NGR234
224. Rapid identification of Rhizobium strains by targeted PCR fingerprinting
225. High-resolution transcriptional analysis of the symbiotic plasmid of Rhizobium sp. NGR234
226. Molecular basis of symbiotic promiscuity
227. Repeated sequences of Rhizobium sp. NGR234 and Sinorhizobium meliloti genomes: A comparative analysis using random sequencing
228. BIME, ERIC, REP, RIME, and other short bacterial repeated elements
229. Release of flavonoids and betaines from seeds of seven Medicago species
230. Applying rhizobia to the future
231. A new genetic locus in Sinorhizobium meliloti is involved in stachydrine utilization
232. Biological Nitrogen Fixation
233. Release of nitrogen: A key trait in selecting bacterial endophytes for agronomically useful nitrogen fixation
234. Stability in natural bacterial communities. II. Plant resource allocation effects on rhizosphere diazotroph assemblage composition
235. Rhizobium inoculation increases of bean and maize yields in intercrops on farms in the Peruvian Sierra
236. Genetic diversity and relationships among isolates of Rhizobium leguminosarum biovar phaseoli
237. Siderophore utilization by Bradyrhizobium japonicum
238. Unusual methyl-branched α,β-unsaturated acyl chain substitutions in the Nod factors of an Arctic rhizobium, Mesorhizobium sp. strain N33 (Oxytropis arctobia)
239. Rhizobium sp. strain NGR234 and R. fredii USDA257 share exceptionally broad, nested host ranges
240. Phylogenetic analysis of 23S rRNA gene sequences of Agrobacterium, Rhizobium and Sinorhizobium strains
241. Reiteration of nitrogen fixatio gene sequences in Rhizobium phaseoli
242. Description of two biovars in the Rhizobium galegae species: Biovar orientalis and biovar officinalis
243. 16S ribosomal DNA sequence analysis confirms the close relationship between the genera Xanthobacter, Azorhizobium, and Aquabacter and reveals a lack of phylogenetic coherence among Xanthobacter species
244. Induction of systemic resistance by plant growth promoting rhizobacteria in crop plants against pests and diseases
245. Using spontaneous antibiotic-resistant mutants to assess competitiveness of bradyrhizobial inoculants for nodulation of soybean
246. Rhizobium etli genetically engineered for the heterologous expression of Vitreoscilla sp. hemoglobin: Effects on freeliving and symbiosis
247. Extrachromosomal elements as possible agents of adaptation and development
248. Rhizobial communication with rice roots: Induction of phenotypic changes, mode of invasion and extent of colonization
249. Is ley-farming in Mediterranean zones just a passing phase?
250. Calcium affects the growth and survival of Rhizobium meliloti
251. The transcriptional regulator gene phrR, in Sinorhizobium meliloti is regulated by low pH and other stresses
252. Constructs for insertional mutagenesis, transcriptional signal localisation and gene regulation studies in root nodule and other bacteria
253. Probing for pH-regulated genes and proteins in Sinorhizobium meliloti using transcriptional and proteomic analysis
254. Siderophore iron transport correlates with the presence of specific iron-regulated proteins in the outer membrane of Rhizobium meliloti
255. Interactions of gramineous plants with Azoarcus spp. and other diazotrophs: Identification, localization, and perspectives to study their function
256. Life in grasses: Diazotrophic endophytes
257. Lipopolysaccharides of Rhizobium etli strain G12 act in potato roots as an inducing agent of systemic resistance to infection by the cyst nematode Globodera pallida
258. Induction of systemic resistance in potato by rhizobaterium Rhizobium etli strain G12 is not associated with accumulation of pathogenesis-related proteins and enhanced lignin biosynthesis
259. Distribution of repC plasmid-replication sequences among plasmids and isolates of Rhizobium leguminosarum bv. viciae from field populations
260. Trifolitoxin production in Rhizobium etli strain CE3 increases competitiveness for rhizosphere growth and root nodulation of Phaseolus vulgaris in soil
261. Trifolitoxin production increases nodulation competitiveness of Rhizobium etli CE3 under agricultural conditions
262. The role of self-regenerating pasture in rotation with cereals in Mediterranean areas
263. Nitrogen-fixing nodules with Ensifer adhaerens harboring Rhizobium tropici symbiotic plasmids
264. Gene amplification and genomic placticity in prokaryotes
265. The dynamic genome of Rhizobium
266. Evidence that two genomic species of Rhizobium are associated with Medicago truncatula
267. Sinorhizobium medicae sp. nov., isolated from annual Medicago spp.
268. Genome diversity at the phe-tRNA locus in a field population of mesorhizobia
269. Rhizobium tropici teu genes involved in specific uptake of Phaseolus vulgaris bean-exudate compounds
270. Rhizobium numbers in the rhizospheres of red clover and paspalum in relation to soil treatment and the numbers of bacteria and fungi
271. Uptake hydrogenases in root nodule bacteria
272. Identification of a putative P-transporter operon in the genome of a Burkholderia strain living inside the arbuscular mycorrhizal fungus Gigaspora margarita
273. Common soybean inoculant strains in Brazil are members of Bradyrhizobium elkanii
274. 15 tracing of N-fixation with soil-grown sugarcane seedlings
275. Effect of mutations in aromatic catabolism on the persistence and competitiveness of Rhizobium leguminosarum bv. trifolii
276. Root and stem nodule bacteria of legumes
277. NifA-NtrA regulatory system activates transcription of nfe, a gene locus involved in nodulation competitiveness of Rhizobium meliloti
278. Proposal for rejection of Agrobacterium tumefaciens and revised descriptions for the genus Agrobacterium and for Agrobacterium radiobacter and Agrobacterium rhizogenes
279. Root colonization of different plants by plant-growth-promoting Rhizobium leguminosarum bv. trifolii R39 studied with monospecific polyclonal antisera
280. Evidence for genetic exchange and recombination of Rhizobium symbiotic plasmids in a soil population
281. Ecological pre-release risk assessment of two genetically engineered bioluminescent Rhizobium meliloti strains in soil column model systems
282. Effect of field inoculation with Sinorhizobium meloloti L33 on the composition of bacterial communities in rhizospheres of a target plant (Medicago sativa) and a non-target plant (Chenopodium album) - Linking of 16S rRNA gene-based single-strand conformation polymorphism community profiles to the diversity of cultivated bacteria
283. Competitive advantage of bacteriocin and phage-producing strains of Rhizobium trifolii in mixed culture
284. Genetic structure of a soil population of nonsymbiotic Rhizobium leguminosarum
285. Unusual organization of the 23S rRNA genes in the rhizobiaceae
286. Simultaneous detection of different Rhizobium strains marked with either the Escherichia coli gusA gene or the Pyrococcus furiosus celB gene
287. Classification of Austrian rhizobia and the Mexican isolate FL27 obtained from Phaseolus vulgaris L. as Rhizobium gallicum
288. Characterization of Rhizobium etli and other Rhizobium spp. that nodulate Phaseolus vulgaris L. in an Austrian soil
289. Measurement of the competitiveness index of Rhizobium tropici strain CIAT899 derivatives marked with the gusA gene
290. Use of marker genes in competition studies of Rhizobium
291. Selection of specific endophytic bacterial genotypes by plants in response to soil contamination
292. Molecular mechanisms of attachment of Rhizobium bacteria to plant roots
293. Photosynthetic symbionts of Aeschynomene spp. form a cluster with bradyrhizobia on the basis of fatty acid and rRNA analysis
294. Enhanced nitrogen fixation in a Rhizobium etli ntrC mutant that overproduces the Bradyrhizobium japonicum symbiotic terminal oxidase cbb3
295. Mimosine, a toxin produced by the tree-legume Leucaena provides a nodulation competition advantage to mimosine-degrading Rhizobium strains
296. Nucleotide sequence and characterization of Rhizobium meliloti nodulation competitiveness genes nfe
297. Bacteria gone native vs. bacteria gone awry?: Plasmidic transfer and bacterial evolution
298. Ethnomicrobiology: Do agricultural practices modify the population structure of the nitrogen fixing bacteria Rhizobium etli biovar phaseoli
299. Root nodulation and infection factors produced by rhizobial bacteria
300. The causes of Pseudomonas diversity
301. Non random genotypic associations in a legume-Bradyrhizobium mutualism
302. 2-fixation by endophytic bacteria: Questions of entry and operation
303. Perception of Rhizobium nodulation factors by tomato cells and inactivation by root chitinases
304. Diversity and relationships of bradyrhizobia from Amphicarpaea
305. Failure of inoculant rhizobia to overcome the dominance of indigenous strains for nodule formation
306. Competition for nodule occupancy on Phaseolus vulgaris by Rhizobium etli and Rhizobium tropici strains can be efficiently monitored in an ultisol during the early stages of growth using a constitutive gus gene fusion
307. Biotin and other water-soluble vitamins are key growth factors for alfalfa rhizosphere colonization by Rhizobium meliloti 1021
308. Recombinant Rhizobium meliloti strains with extra biosynthesis capability
309. Endophytic bacteria of red clover as agents of allelopathic clover-maize syndromes
310. Biodiversity of endophytic bacteria which colonize red clover nodules, roots, stems and foliage and their influence on host growth
311. Nodulating strains of Rhizobium loti arise through chromosomal symbiotic gene transfer in the environment
312. Four unnamed species of nonsymbiotic rhizobia isolated from the rhizosphere of Lotus corniculatus
313. Evolution of rhizobia by aquisition of a 500-kb symbiosis island that integrates into a phe-tRNA gene
314. The bio operon on the acquired symbiosis island of Mesorhizobium sp. strain R7A includes a novel gene involved in pimeloyl-CoA synthesis
315. Methylotrophic Methylobacterium bacteria nodulate and fix nitrogen in symbiosis with legumes
316. Specific detection of Bradyrhizobium and Rhizobium strains colonizing rice (Oryza sativa) roots by 16S-23S ribosomal DNA intergenic spacer-targeted PCR
317. Rhizobium yanglingense sp. nov., isolated form arid and semiarid regions in China
318. Assessment of competitiveness of rhizobia infecting Galega orientalis on the basis of plant yield, nodulation, and strain identification by antibiotic resistance and PCR
319. Phylogeny of Rhizobium galegae with respect to other rhizobia and agrobacteria
320. Molecular evolution of interactions between rhizobia and their legume hosts
321. Influence of the size of indigenous rhizobial populations on establishment and symbiotic performance of introduced rhizobia on field-grown legumes
322. Variation in the effectiveness of symbiotic associations between native rhizobia and temperate Australian legumes: Interactions within and between genera
323. Saprophytic intracellular rhizobia in alfalfa nodules
324. Characterisation of act206-a gene involved in intracellular pH maintenance in Rhizobium meliloti WSM419
325. An essential role for actA in acid-tolerance of Rhizobium meliloti
326. Acid tolerance in Rhizobium meliloti strain WSM419 involves a two component sensor-regulator system
327. Nodulation competitiveness in the Rhizobium-legume symbiosis
328. Trifolitoxin production and nodulation are necessary for the expression of superior nodulation competitiveness by Rhizobium leguminosarum bv. trifolii T24
329. Isolation of genes involved in nodulation competitiveness from Rhizobium leguminosarum bv. trifolii T24
330. Construction of a symbiotically effective strain of Rhizobium leguminosarum bv. trifolii with increased nodulation competitiveness
331. Expression of tfx and sensitivity to the rhizobial antipeptide trifolitoxin in a taxonomically distinct group of α-proteobacteria including the animal pathogen Brucella abortus
332. Diversity of repC plasmid-replication sequences in Rhizobium leguminosarum
333. The glutamine synthetases of rhizobia: Phylogenetics and evolutionary implications
334. 2-fixing bacterial diversity detected in rice roots by molecular evolutionary analysis of nifH gene sequences
335. 15N-labelled soil
336. 15 and nitrogen-balance estimates
337. Genotypic diversity among strains of Bradyrhizobium japonicum belonging to serogroup 110
338. Rhizobium mongolense sp. nov. is one of three rhizobial genotypes identified which nodulate and form nitrogen-fixing symbioses with Medicago ruthenica [(L.) Ledebour]
339. Some issues of relevance in the taxonomy of rhizobia
340. Evolutionary relationships among the soybean bradyrhizobia reconstructed from 16S rRNA gene and internally transcribed spacer region sequence divergence
341. Construction and environmental release of a Sinorhizobium meliloti strain genetically modified to be more competitive for alfalfa nodulation
342. Genetic and phenetic analyses of Bradyrhizobium strains nodulating peanut (Arachis hypogaea L.) roots
343. Nitrogen fixation and nodule occupancy by native strains of Rhizobium on different cultivars of common bean (Phaseolus vulgaris L.)
344. Analysis of stable low-molecular-weight RNA profiles of members of the family Rhizobiaceae
345. Characterization of rhizobial isolates of Phaseolus vulgaris by staircase electrophoresis of low-molecular-weight RNA
346. Mesorhizobium chacoense sp. nov., a novel species that nodulates Prosopis alba in the Chaco Arido region (Argentina)
347. Colonization and nifH expression on rice roots by Alcaligenes faecalis A15
348. Genotypic characterization of Bradyhizobium strains nodulating endemic woody legumes of the Canary Islands by PCR-restriction fragment length polymorphism analysis of genes encoding 16S rRNA (16S rDNA) and 16S-23S rDNA intergenic spacers, repetitive extragenic palindromic PCR genomic fingerprinting, and partial 16S rDNA sequencing
349. Genetic snapshots of the Rhizobium species NGR234 genome
350. Influence of Bradyrhizobium japonicum location and movement on nodulation and nitrogen fixation in soybean
351. Rhizobium huautlense sp. nov., a symbiont of Sesbanea herbacea that has a close phylogenetic relationship with Rhizobium galegae
352. Genetic diversity of rhizobia from Leucaena leucocephala nodules in Mexican soils
353. Rhizobium etli bv. mimosae, a novel biovar isolated from Mimosa affinis
354. Diversity of rhizobia associated with Amorpha fruticosa isolated from Chinese soils and description of Mesorhizobium amorphae sp. nov.
355. Phylogeny of root- and stem-nodule bacteria associated with legumes
356. Sinorhizobium morelense sp. nov., isolated from Leucaena leucocephala that is highly resistant to multiple antibiotics
357. Nitrogen-fixing (acetylene-reducing) activity and population of aerobic heterotrophic nitrogen-fixing bacteria associated with wetland rice
358. 2 fixation
359. The flavonoid naringenin stimulates the intercellular colonization of wheat roots by Azorhizobium caulinodans
360. Comparison of the evolutionary dynamics of symbiotic and housekeeping loci: A case for the genetic coherence of rhizobial lineages
361. Growth factor requirements of the root nodule bacteria
362. The distribution of inositol rhizopine genes in Rhizobium populations
363. Survival of plant growth promoting rhizosphere bacteria in the rhizosphere of different crops and migration to noninoculated plants under field conditions in northeast Germany
364. Divergence in symbiotic compatibility in a legume-Bradyrhizobium mutualism
365. Phylogenetic analysis of rhizobia and agrobacteria based on 16S rRNA gene sequences
366. AFLP fingerprint analysis of Bradyrhizobium strains isolated from Faidherbia albida and Aeschynomene species
367. Phylogenetic and DNA-DNA hybridization analyses of Bradyrhizobium species
368. DNA-DNA hybridization study of Bradyrhizobium strains
369. Molecular markers as tools to study the ecology of microorganisms
370. Molecular techniques for the study of rhizobial ecology in the field
371. β-glucuronidase (GUS) transposons for ecological and genetic studies of rhizobia and other Gram-negative bacteria
372. myo-inositol catabolism by Rhizobium in soil: HPLC and enzymatic studies
373. Rhizobial nodulation factors stimulate mycorrhizal colonization of nodulating and nonnodulating soybeans
374. Nod factors and tri-iodobenzoic acid stimulate mycorrhizal colonization and affect carbohydrate partitioning in mycorrhizal roots of Lablab purpureus
375. Bradyrhizobium liaoningense sp. nov., isolated from the root nodules of soybeans
376. Sinorhizobium meliloti associated with Medicago sativa and Melilotus spp. in arid saline soils in Xinjiang, China
377. Natural endophytic association between Rhizobium leguminosarum bv. trifolii and rice roots and assessment of its potential to promote rice growth
378. The beneficial plant growth-promoting association of Rhizobium leguminosarum bv. trifolii with rice roots
379. The role of Rhizobium leguminosarum bv. trifolii in extending (or restricting) the adaptation of Trifolium spp. in natural and managed ecosystems
380. 15N abundance of sugarcane and neighbouring plants in Brazil, the Philippines and Miyako (Japan)
381. A stomatin-like protein encoded by the slp gene of Rhizobium etli is required for nodulation competitiveness on the common bean
382. A revision of Rhizobium Frank 1889, with an emended description of the genus, and the inclusion of all species of Agrobacterium Conn 1942 and Allorhizobium undicola de Lajudie et al. 1998 as new combinations: Rhizobium radiobacter, R. rhizogenes, R. rubi, R. undicola and R. vitis
383. Diversity and phylogeny of rhizobia
384. Direct amplification of nodD from community DNA reveals the genetic diversity of Rhizobium leguminosarum in soil
385. Diversity of peanut Rhizobium isolated from Sichuan, China
386. The common nodulation genes of Astragalus sinicus rhizobia are conserved despite chromosomal diversity