PII signal transduction proteins, pivotal players in microbial nitrogen control

Microbiology and Molecular Biology Reviews

Volumn 65, Issue 1, 2001, Pages 80-105

  Arcondeguy T ^a   Jack, R ^a   Merrick, M ^a  

^a JOHN INNES CENTRE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ADENOSINE TRIPHOSPHATASE; AMMONIA; BACTERIAL DNA; BACTERIAL PROTEIN; GLUTAMATE AMMONIA LIGASE; HEXOSE 1 PHOSPHATE URIDYLYLTRANSFERASE; METHYLAMMONIUM; NITRATE; NITROGEN; NITROGENASE; P PI PROTEIN; PROTEIN GLNB; PROTEIN GLNK; PROTEIN NIFA; REGULATOR PROTEIN; UNCLASSIFIED DRUG;

ACTINOBACTERIA; AMINO ACID SEQUENCE; BACILLUS SUBTILIS; BACTERIAL METABOLISM; CATALYSIS; CORYNEBACTERIUM; CYANOBACTERIUM; DNA SEQUENCE; GENOME; GRAM NEGATIVE BACTERIUM; NITROGEN FIXATION; NITROGEN METABOLISM; NONHUMAN; PROKARYOTE; PROTEIN FAMILY; PROTEIN MODIFICATION; PROTEIN STRUCTURE; REVIEW; SIGNAL TRANSDUCTION; TRANSCRIPTION REGULATION;

BACTERIA; BACTERIAL PROTEINS; BIOLOGICAL TRANSPORT; CARRIER PROTEINS; CYANOBACTERIA; GLUTAMATE-AMMONIA LIGASE; NITROGEN; PHOSPHORYLATION; PII NITROGEN REGULATORY PROTEINS; PLANT PROTEINS; PROTEOBACTERIA; SIGNAL TRANSDUCTION; STRUCTURE-ACTIVITY RELATIONSHIP; TRANSCRIPTION FACTORS;

BACILLUS SUBTILIS; BACTERIA (MICROORGANISMS); CORYNEBACTERIUM; EMBRYOPHYTA; NEGIBACTERIA; PROKARYOTA;

EID: 0035105144     PISSN: 10922172     EISSN: None     Source Type: Journal    
DOI: 10.1128/MMBR.65.1.80-105.2001     Document Type: Review

References (265)

1. II regulatory protein and the uridylyltransferase-uridylylremoving enzyme
2. Complementation of nitrogen-regulatory (mr-like) mutations in Rhodobacter capsulatus by an Escherichia coli gene: Cloning and sequencing of the gene and characterization of the gene product
3. Cloning and organisation of the abc and mdl genes of Escherichia coli: Relationship to eukaryotic multidrug resistance
4. Regulation of nitrogen metabolism is altered in a glnB mutant strain of Rhizobium leguminosarum
5. Association of ATP: Glutamine synthetase adenylyltransferase activity with the P1 component of the glutamine synthetase deadenylylation system
6. Symbiotic nitrogen fixation does not require adenylylation of glutamine synthetase I in Rhizobium meliloti
7. II protein, which controls bacterial nitrogen metabolism, affects alfalfa nodule development
8. Two residues in the T-loop of GlnK determine NifL-dependent nitrogen control of nif gene expression
9. Studies on the roles of GlnK and GlnB in regulating Klebsiella pneumoniac NifL-dependent nitrogen control
10. II in Azospirillum brasilense: Evidence for a regulatory role of the NifA N-terminal domain
11. II: effect of replacing Tyr residues of the NifA N-terminal domain on NifA activity
12. Role of the GlnK signal transduction protein in the regulation of nitrogen assimilation in Escherichia coli
13. Characterization of the GlnK protein of Escherichia coli
14. II signal transduction protein regulates its ability to stimulate the dephosphorylation of the transcription factor nitrogen regulator I (NRI or NtrC)
15. Characterization of Escherichia coli glnL mutations affecting nitrogen regulation
16. II or NtrB)
17. The prokaryotic enhancer binding protein NTRC has an ATPase activity which is phosphorylation and DNA dependent
18. Mutations that alter the covalent modification of glutamine synthetase in Salmonella typhimurium
19. II protein from Herbaspirillum seropedicae
20. Evidence for two possible glnB-type genes in Herbaspirillum seropedicae
21. The isolated catalytic domain of NifA. A bacterial enhancer-binding protein, activates transcription in vivo: Activation is inhibited by NifL
22. In vitro studies of the domains of the nitrogen fixation regulatory protein NifA
23. Sequence and molecular analysis of the nifL gene of Azotobacter vinelandii
24. Regulation of glutamine synthetase formation in Escherichia coli: Characterization of mutants lacking the uridylyltransferase
25. Regulation of the glnBA operon of Rhodobacter capsulatus
26. Nucleotide sequence of the Azospirillum brasilense Sp7 glutamine synthetase structural gene
27. Mutant strain (nit) of Salmonella typhimurium with a pleiotropic defect in nitrogen metabolism
28. Isolation and characterisation of an aryl-beta-D-glucoside uptake and utilisation system (abg) from the gram-positive ruminal Clostridium species C. longisporum
29. II regulatory protein
30. Role of glnB and glnD gene products in regulation of the glnALG operon of Escherichia coli
31. II from Escherichia coli at 1.9Å
32. II
33. II the ntrBC products, and processing of the glnBA mRNA in Rhodospirillum rubrum
34. 2- and ammonium-grown cells of the archaeon Methanosarcina barkeri 227
35. Transcriptional analysis of the glnB-glnA region of Rhizobium leguminosarum biovar viciae
36. Role of integration host factor in the regulation of the glnHp2 promoter of Escherichia coli
37. Deciphering the biology of Mycobacterium tuberculosis from the complete genome sequence
38. Strategies for increasing ammonium production in free-living or plant-associated nitrogen-fixing bacteria
39. Uridylylation of the PII protein in Rhizobium leguminosarum
40. Tight linkage of glnA and a putative regulatory gene in Rhizobium leguminosurum
41. The product of the nitrogen fixation regulatory gene nfrX of Azotobacter vinelandii is functionally and structurally homologous to the uridylyltransferase encoded by glnD in enteric bacteria
42. Translational activation by an NtrC enhancer-binding protein
43. Conservation of gene order: A fingerprint of proteins that physically interact
44. The complete genome of the hyperthermophilic bacterium Aquifex aeolicus
45. II protein from Escherichia coli
46. z of Azospirillum brasilense provide intracellular signalling for selective regulation of various nitrogen-dependent functions
47. Characterisation of three different nitrogen-regulated promoter regions for the expression of glnB and glnA in Azospirillum brasilense
48. Functional organization of the glnB-glnA cluster of Azospirillum brasilense
49. II proteins in Azospirillum brasilense
50. The oxygen-responsive NifL-NifA complex: A novel two-component regulatory system controlling nitrogenase synthesis in gamma-proteobacteria
51. Positive control and autogenous regulation of the nifLA promoter in Klebsiella pucumoniac
52. Sequence and domain relationships of mrC and nifA from Klebsiella pneumoniae: Homologies to other regulatory proteins
53. The function of isolated domains and chimaeric proteins constructed from the transcriptional activators NifA and NtrC of Klehsiella pneumoniae
54. The role of uridylyltransferase in the control of Klebsiella pneumoniae nif gene regulation
55. The Rhizobium leguminosarum glnB gene is down-regulated during symbiosis
56. Regulation of Azospirillum brasilense nifA gene expression by ammonium and oxygen
57. Nitrogen metabolism Streptomyces coelicolor A3(2): Modification, of glutamine synthetase I by an adenylyltransferase
58. Genetic regulation of nitrogen fixation in rhizobia
59. Regulation of nitrogen metabolism in Bacillius subtilis: Vive la difference
60. Role of CodY in regulation of the Bacillus subtilis hai operon
61. Whole-genome random sequencing and assembly of Haemophilus influenzae RD
62. Glutamine synthetase of Klebsiella aerogenes: Properties of glnD mutants lacking uridylyltransferase
63. Regulation of the synthesis of glutamine synthetase by adenylylated glutamine synthetase
64. II protein in Klebsiella aerogenes
65. II protein in Synechococcus PCC7942 senses and signals 2-oxolglutarate and ATP-replete conditions
66. II signal protein from Escherichia coli
67. Heterotrimerization of PII-like signaling proteins: Implications for PII-mediated signal transduction systems
68. II protein in the cyanobacterium Synechococcus sp. strain PCC 7942 is modified by serine phosphorylation and signals the cellular N status
69. Functional analysis of the phosphoprotein PII (glnB gene product) in the cyanobacterium Synechococcus sp. strain PCC 7942
70. Phosphorylation of the PII protein (glnB gene product) in the cyanobacterium Synechococcus sp. strain PCC 7942: Analysis of in vitro kinase activity
71. Analysis of the promoters and upstream sequences of nifA1 and nifA2 in Rhodobacter capsulatus: Activation requires ntrC but not rpoN
72. The Rhodobacter capsulatus glnB gene is regulated by NtrC at tandem rpoN-dependent promoters
73. Reversible ADP-ribosylation is demonstrated to be a regulatory mechanism in prokaryotes by heterologous expression
74. II uridylytransferase and uridylyl-removing enzyme
75. Nitrogen availability and electron transport control the expression of glnB gene (encoding PII protein) in the cyanobacterium Syncchocystis sp. PCC 6803
76. Glutamine synthetase inactivation by protein-protein in interaction
77. NtcA represses transcription of gifA and gifB, genes that encode inhibitors of glutamine synthetase type I from Syncchocytis sp. PCC 6803
78. Role of the transcriptional activator RocR in the arginine-degradation pathway of Bacillus subtilis
79. Modification of the PII protein in response to nitrogen availability in filamentous heterocystous cyanobacteria Anabaena sp. PCC 7120
80. In vivo studies on the positive control function of NifA: A conserved hydrophobic amino acid patch at the central domain involved in transcriptional activation
81. Mechanism of coordinated synthesis of the antagonistic regulatory proteins NifL and NifA of Klebsiella pneumoniac
82. Mutations affecting nitrogenase switch-off in Rhodobacter capsulatus
83. II protein may be essential
84. Modification of a glnB-like gene product by photosynthetic electron transport in the cyanobacterium Synechococcus 6301
85. Regulation of nitrogenase activity by oxygen in Azospirillum brasilense and Azospirillum lipoferum
86. Regulation of Escherichia coli glnB, prsA, and spcA by the purine repressor
87. NtrC is required for control of Klebsiella pneumoniae NifL activity
88. Physiological role for the GlnK protein of enteric bacteria: Relief on NifL inhibition under nitrogen-limiting conditions
89. Role of metal ions in negative regulation of nitrogen fixation by the nifL gene product from Klebsiella pneumoniac
90. Nitrogen control in cyanobacteria
91. Azolobacter vinclandii NifL is a flavoprotein that modulates transcriptional activation of nitrogen- fixation genes via a redox-sensitive switch
92. Protein PII regulates both inorganic carbon and nitrate uptake and is modified by a redox signal in Syncchocystis PCC 6803
93. DNA polymerase β belongs to an ancient nucleotidyltransferase superfamily
94. The glnB gene of Rhizobium Leguminosarum biovar viciae
95. II protein (glnB gene product) is not absolutely required for nitrogen regulation and is not involved in NifL-mediated nif gene regulation
96. Identification of the Klebsiella pneumoniae glnB gene: Nucleotide sequence of wild-type and mutant alleles
97. A PII-like protein in Arahidopsis: Putative role in nitrogen sensing
98. Mutations that alter the kinase and phosphatase activities of the two-component sensor EnvZ
99. Function of conserved histidine-243 in phosphatase activity of EnvZ, the sensor for porin osmoregulation in Escherichia coli
100. II in Synechococcus PCC7942: Identification of an ATP and 2-oxoglutarate-regulated phosphatase activity
101. The signal transduction protein GlnK is required for NifL-dependent nitrogen control of nif expression in Klebsiella pneumoniae
102. The two opposing activities of adenylyl transferase reside in distinct homologous domains with intramolecular signal transduction
103. II from Escherichia coli
104. Nitrogen regulation in Corynebacterium glutamicum: Isolation of genes involved and biochemical characterisation of corresponding proteins
105. AmtR, a global repressor in the nitrogen regulation system of Corynebacterium glutamicum
106. Functional dissection of the dimerization and enzymatic activities of Escherichia coli nitrogen regulator II and their regulation by the PII protein
107. Regulation of autophosphorylation of Escherichia coli nitrogen regulator II by the PII signal transduction protein
108. Enzymological characterization of the signal-transducing uridylytransferase/uridylyl-removing enzyme (EC 2.7.7.59) of Escherichia coli and its interaction with the PII protein
109. Reconstitution of the signal-transduction bicyclic cascade responsible for the regulation of ntr gene transcription in Escherichia coli
110. The regulation of Escherichia coli glutamine synthetase revisited: Role of 2-ketoglutarate in the regulation of glutamine synthetase adenylylation state
111. Structure/function analysis of the PII signal transduction protein of Escherichia coli: Genetic separation of interactions with protein receptors
112. Probing interactions of the homotrimeric PII signal transduction protein with its receptors by use of PII heterotrimers formed in vitro from wild-type and mutant subunits
113. Transcription of the glnB and glnA genes in the photosynthetic bacterium Rhodospirillum rubrum
114. II protein of the photosynthetic bacterium Rhodospirillum rubrum
115. II-UMP and in vitro studies of regulation of glutamine synthetase in Rhodospirillum rubrum
116. Effect of mutations in Escherichia coli glnL (ntrB), encoding nitrogen regulator II (NRI) or NtrBJ, on the phosphatase activity involved in bacterial nitrogen regulation
117. Sensory components controlling bacterial nitrogen assimilation
118. The Escherichia coli PII signal transduction protein is activated upon binding 2-ketoglutarate and ATP
119. 2-fixing Azoarcus sp. strain BH72 upon diazosome formation
120. Protein kinase and phosphoprotein phosphatase activities of nitrogen regulatory proteins NtrB and NtrC of enteric bacteria: Roles of the conserved amino-terminal domain of NtrC
121. Structure of a transiently phosphorylated switch in bacterial signal transduction
122. The nif gene operon of the methanogenic archaeon Methanococcus maripaludis
123. Genetics of nitrogen regulation in Methanococcus maripaludis
124. 2
125. Transcriptional control of the glnD gene is not dependent on nitrogen availability in Escherichia coli
126. Genetics of nitrogen fixation in Rhodobacter capsulanus: Ammonium and molybdenum control of both nitrogenase systems
127. Involvement of the C-terminal domain of an ATP-binding subunit in the regulation of the ABC-type nitrate/nitrite transporter of the cyanobacterium Synechococcus sp. strain PCC 7942
128. Inactivation, sequence, and lacZ fusion analysis of a regulatory locus required for repression of nitrogen fixation genes in Rhodobacter capsulanus
129. Nitrogenase of Sesbania Rhizobium strain ORS 571: Purification, properties and switch-off by ammonia
130. Covalent modification of bacterial glutamine synthetase: Physiological significance
131. Phosphorylation of the signal transducer PII protein and an additional effector are required for the PII-mediated regulation of nitrate and nitrite uptake in the cyanobacterium Synechococcus sp. PCC 7942
132. II in the control of nitrate/nitrite uptake in a cyanobacterium
133. The global nitrogen regulator NtcA regulates transcription of the signal transducer PII (GlnB) and influences its phosphorylation level in response to nitrogen and carbon supplies in the cyanobacterium Synechococcus sp. strain PCC 7942
134. Mutations in the draT and draG genes of Rhodospirillum rubrum result in loss of regulation of nitrogenase by reversible ADP-ribosylation
135. Characterization of the ntrBC genes of Azospirillum brasilense Sp7: Their involvement in the regulation of nitrogenase synthesis and activity
136. Regulation of nitrogen fixation in Azospirillum brasilense Sp7: Involvement of nifA. glnA and glnB gene products
137. The nasFEDCBA operon for nitrate and nitrite assimilation in Klebsiella pneumonaic M5al
138. II protein in response to carbon and nitrogen availability in filamentous heterocystous cyanobacteria
139. Signal transduction to the Azotobacter vinelandii NifL-NifA regulatory system is influenced directly by interaction with 2-oxoglutarate and the PII regulatory protein
140. The glnB region of the Escherichia coli chromosome
141. Activation of the dephosphorylation of nitrogen regulator I-phosphate of Escherichia coli
142. Nitrogenase in the archaebacterium Methanosarcina barkeri 227
143. Autophosphorylation and phosphatase activities of the oxygen-sensing protein FixL of Rhizobium meliloti are coordinately regulated by oxygen
144. Reversible ADP-ribosylation as a mechanism of enzyme regulation in procaryotes
145. Molecular mechanism for the operation of nitrogen control in cyanobacteria
146. Crystallization and preliminary X-ray analysis of Escherichia coli GlnK
147. The regulation of nitrogen utilization in enteric bacteria
148. Regulation of nitrogen utilization
149. II regulatory protein
150. The metabolic pathway of glutamate in Escherichia coli K-12
151. Occurrence of three PII-like signal transmitter proteins in the diazotrophic proteobacterium Azoarcus sp BH72
152. Bradyrhizobium japonicum glnB, a putative nitrogen-regulatory gene, is regulated by NtrC at tandem promoters
153. The draTG gene region of Rhodobacter capsulatus is required for post-translational regulation of both the molybdenum and the alternative nitrogenase
154. Characterization of the glnK-amtB operon of Azolobacter vinclandii
155. Regulation of nitrogen fixation genes in free-living and symbiotic bacteria
156. Nitrogen control in bacteria
157. Mechanism of activation of a response regulator: Interaction of NtrC-P dimers induces ATPase activity
158. Characterisation of the glnK-amtB operon and involvement of AmtB in methylammonium uptake in Azorhizobium caulinodans
159. II protein in symbiotic nitrogen fixation
160. Azorhizobium caulinodans PII and GlnK proteins control nitrogen fixation and ammonia assimilation
161. Secondary structure of the C-terminal DNA-binding domain of the transcriptional activator NifA from Klebsiella pneumoniae: Spectroscopic analysis
162. Compilation of all genes encoding two-component phosphotransfer signal transducers in the genome of Escherichia coli
163. Isolation and properties of the complex between the enhancer binding protein NifA and the sensor NifL
164. Expression and functional analysis of an N-truncated NifA protein of Herbaspirillum seropedicae
165. In-trans regulation of the N-truncated NifA protein of Herbaspirillum seropedicae by the N-terminal domain
166. The DNA-binding domain of the transcriptional activator protein NifA resides in its carboxy terminus, recognises the upstream activator sequences of nif promoters and can be separated from the positive control functional of NifA
167. 54 bacterial enhancer-binding protein family: Mechanism of action and phylogenetic relationship of their functional domains
168. The nac (nitrogen assimilation control) gene from Escherichia coli
169. Regulation of gene transcription by extracellular stimuli
170. II
171. II regulates the transcription of the glnALG operon in Escherichia coli
172. Purification of nitrogen regulator II, the product of the glnL (ntrB) gene of Escherichia coli
173. II or NtrB): Trans-phosphorylation between subunits
174. + transporter from plants
175. Culture-independent characterization of a gene responsible for nitrogen fixation in the symbiotic microbial community in the gut of the termite Neotermes Koshunensis
176. + as a signal during nitrogenase switch-off in Rhodospirillum rubrum
177. Mutants of Rhizobium tropici strain CIAT899 that do not induce chlorosis in plants
178. The use of gene clusters to infer functional coupling
179. Communication modules in bacterial signalling proteins
180. Characterisation of a novel Azorhizobium caulinodans ORS571 two-component regulatory system, NtrY/NtrX, involved in nitrogen fixation and metabolism
181. Cloning and characterisation of nifA and nifC genes of the stem nodulating bacterium ORS571, the nitrogen fixing symbiont of Sesbania rostrata: Regulation of nitrogen fixation (nif) genes in the free-living versus symbiotic state
182. Modification of glutamine synthetase in Streptomyces griseus by ADP-ribosylation and adenylylation
183. Identification and characterisation of genes involved in the ammonium sensing mechanism in Acetobacter diazotrophicus
184. The Escherichia coli PII signal transduction protein regulates the activities of the two-component system transmitter protein NRII by direct interaction with the kinase domain of the transmitter module
185. Glutamine synthetase and the regulation of histidase formation in Klebsiella aerogenes
186. Expression of glnB and a glnB-like gene (glnK) in a ribulose bisphosphate carboxylase oxygenase-deficient mutant of Rhodobacter sphaeroides
187. The Azotobacter cintelandii nifL-like gene: Nucleotide sequence analysis and regulation of expression
188. The Azorhizobium caulinodans nitrogen-fixation regulatory gene, nifA is controlled by the cellular nitrogen and oxygen status
189. Interactions of diazortrophic Azourcus spp. with rice
190. Complete nucleotide sequence of the Porphyra purparea chloroplast genome
191. Ammonia assimilation and the biosynthesis of glutamine, glutamate, aspartate, asparagine, L-alanine and D-alanine
192. II in Klebsiella aerogenes mutants lacking adenylyltransferase
193. Regulation of Azotobacter vinelandii NifA activity by NifL: Role of PII-like proteins in nitrogen sensing
194. 5′-Nucleotidyl-O-tyrosine bond in glutamine synthetase
195. Regulation of Escherichia coli glutamine synthetase
196. Regulation of glutamine synthetase isoenzymes in Rhizobium legumonosarum biovar viciae
197. Molecular analysis of the glnB. amtB, glnD and glnA genes in Azotobacter vinelandii
198. EnvZ controls the concentration of phosphorylated OmpR to mediate osmoregulation of the porin genes
199. Nitrogen starvation in Synechococcus PCC 7942: Involvement of glutamine synthetase and NctA in phycobiliprotein degradation and survival
200. The Rhizobium leguminosarum bv. viciae glnD gene, encoding a uridylytransferase/uridylyl-removing enzyme, is expressed in the root nodule but is not essential for nitrogen fixation
201. Regulation of a transport operon in Salmonella typhimurium: Identification of sites essential for nitrogen regulation
202. NifL of Klebsiella pneumoniae carries an N-terminally bound FAD cofactor, which is not directly required for the inhibitory function of NifL
203. Arginine catabolism and the arginine succinyltransferase pathway in Escherichia coli
204. Salmonella typhimurium nit is nadE: Defective nitrogen utilization and ammonia-dependent NAD synthetase
205. Biological function of the ammonia-induced inactivation of glutamine synthetase in Escherichia coli
206. Regulation of nitrogen metabolism in Escherichia coli and Klebsiella aerogenes: Studies with the continuous culture technique
207. The glutamine synthetase deadenylylating enzyme system from Escherichia coli: Resolution into two components, specific nucleotide stimulation, and cofactor requirements
208. Glutamine synthetase deadenylylating enzyme
209. Nucleotide sequence of nifH regions from Methanobacterium ivanovii and Methanosarcina barkeri 227 and characterization of glnB-like genes
210. ADP-ribosylation of glutamine synthetase in the cyanobacterium Synechocystis sp. strain PCC 6803
211. Complete genome sequence of Methanobacterium thermoantotrophicum deltaH: Functional analysis and comparative genomics
212. The redox- and fixed nitrogen-responsive regulatory protein NifL from Azotobacter vinelandii comprises discrete flavin and nucleotide-binding domains
213. Characterization of Arabidopsis AtAMT2. A novel ammonium transporter in plants
214. Studies on the effect of NAD(H) on nitrogenase activity in Rhodospirillum rubrum
215. II protein and nucleotide sequence of its structural gene
216. Primary structure, functional organization and expression of nitrogenase structural genes of the thermophilic archaebacterium Methanococcus thermolithotrophicus
217. Sequence and structural organization of nifA-like gene and part of a nifB-like gene of Herbaspirillum seropedicae strain Z78
218. Control of Herbaspirillum seropedicae NifA activity by ammonium ions and oxygen
219. Discovery of glutamine synthetase cascade
220. Multiple molecular forms of glutamine synthetase produced by enzyme catalyzed adenylation and deadenylylation reactions
221. Protein phosphorylation and regulation of adaptive responses in bacteria
222. Plant protein kinase families and signal transduction
223. 4 transporter is down-regulated early during bacteriod differentiation
224. The glnKamtB operon: A conserved gene pair in prokaryotes
225. Molecular analysis of the Azotobacter vinelandii glnA gene encoding glutamine synthetase
226. Photosynthetic electron transport controls nitrogen assimilation in cyanobacteria by means of posttranslational modification of the glnB gene product
227. Regulation of the assimilation of nitrogen compounds
228. (Methyl)ammonium transport in the nitrogen-fixing bacterium Azospirillum brasilense
229. Precise localization of the glnD gene on the physical map of Escherichia coli
230. II protein in the regulation of glutamine synthetase in Escherichia coli
231. The genes of the glutamine synthetase adenylylation cascade are not regulated by nitrogen in Escherichia coli
232. II in Escherichia coli: A new regulatory protein in the glutamine synthetase cascade
233. The Escherichia coli signal transducers PII (GlnB) and GlnK form heterotrimers in vivo: Fine tuning the nitrogen signal cascade
234. Isolation and nucleotide sequence of the hmp gene that encodes a haemoglobin-like protein in Escherichia coli K-12
235. II protein: Purification, crystallisation and oligomeric structure
236. NtcA, a global nitrogen regulator from the cyanobacterium Synechococcus that belongs to the Crp family of bacterial regulators
237. Identification and cloning of a regulatory gene for nitrogen assimilation in the cyanobacterium Synechococcus sp. strain PCC 7942
238. 3-Dimensional solution structure of the N-terminal receiver domain of NtrC
239. The phosphorylated form of the enhancer-binding protein NTRC has an ATPase activity that is essential for activation of transcription
240. Phosphorylation of nitrogen regulator I of Escherichia coli induces strong cooperative binding to DNA essential for activation of transcription
241. 1) of Escherichia coli
242. The Escherichia coli efg gene and the Rhodobacter capsulatus adg gene code for NH-dependent NAD synthetase
243. ATP-dependent and NAD-dependent modification of glutamine synthetase from Rhodospirillum rubrum in vitro
244. Redundancy of the conserved his residue in Azotobacter vinelandii NifL, a histidine autokinase homologue which regulates transcription of nitrogen fixation genes
245. II
246. Mutational analysis of the TnrA-binding sites in the Bacillus subtilis nrgAB and gabP promoter regions
247. Purification and in vitro activities of the Bacillus subtilis TnrA transcription factor
248. TnrA. A transcription factor required for global nitrogen regulation in Bacillus subtilis
249. General nitrogen regulation of nitrate assimilation regulatory gene nasR expression in Klebsiella oxytoca M5al
250. Unusual oligomerization required for activity of NtrC. A bacterial enhancer-binding protein
251. II-homologue: Structure reveals ATP binding site and indicates how the T-loops may be involved in molecular recognition
252. + addition
253. + induced nitrogenase switch-off and ADP-ribosylation in Rhodobacter capsulatus
254. Regulation of nitrogenase activity in Rhodobacter capsulatus under dark microoxic conditions
255. Refined atomic model of glutamine synthetase at 3.5Å resolution
256. Cloning and characterisation of the pknD gene encoding an eukaryotic-type protein kinase in the cyanobacterium Anabaena sp. PCC7120
257. Posttranslational regulation of nitrogenase activity by anaerobiosis and ammonium in Azospirillum brasilense
258. Presence of a second mechanism for the posttranslational regulation of nitrogenase activity in Azospirillum brasilense in response to ammonium
259. Regulation of nitrogen fixation in Azospirillum brasilense
260. Mutagenesis and functional characterization of the glnB, glnA and nifA genes from the photosynthetic bacterium Rhodospirillum rubrum
261. II and its homolog GlnK on reversible ADP-ribosylation of dinitrogenase reductase by heterologous expression of the Rhodospirillum rubrum dinitrogenase reductase ADP-ribosyl transferase-dinitrogenase reductase-activating glycohydrolase regulatory system in Klebsiella pneumoniae
262. Nucleotide sequence and characterisation of Rhodobacter sphaeroides glnB and glnA genes