Mechanisms and applications of plant growth promoting rhizobacteria: Current perspective

Journal of King Saud University - Science

Volumn 26, Issue 1, 2014, Pages 1-20

  Ahemad, Munees ^a,b   Kibret, Mulugeta ^b  

^a ALIGARH MUSLIM UNIVERSITY   (India)

^b BAHIR DAR UNIVERSITY   (Ethiopia)

Author keywords

ACC deaminase; Indole acetic acid; Nitrogen fixation; Phosphate solubilization; Plant growth promoting rhizobacteria; Rhizosphere

Indexed keywords

EID: 84890563915     PISSN: 10183647     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jksus.2013.05.001     Document Type: Review

References (202)

1. Abd-Alla M.H. Solubilization of rock phosphates by Rhizobium and Bradyrhizobium. Folia Microbiol. 1994, 39:53-56.
2. Adesemoye A.O., Obini M., Ugoji E.O. Comparison of plant growth-promotion with Pseudomonas aeruginosa and Bacillus subtilis in three vegetables. Braz. J. Microbiol. 2008, 39:423-426.
3. Ahemad M. Implications of bacterial resistance against heavy metals in bioremediation: a review. IIOABJ 2012, 3:39-46.
4. Ahemad M., Khan M.S. Effect of insecticide-tolerant and plant growth promoting Mesorhizobium on the performance of chickpea grown in insecticide stressed alluvial soils. J. Crop Sci. Biotechnol. 2009, 12:213-222.
5. Ahemad M., Khan M.S. Toxicity assessment of herbicides quizalafop-p-ethyl and clodinafop towards Rhizobium pea symbiosis. Bull. Environ. Contam. Toxicol. 2009, 82:761-766.
6. Ahemad M., Khan M.S. Influence of selective herbicides on plant growth promoting traits of phosphate solubilizing Enterobacter asburiae strain PS2. Res. J. Microbiol. 2010, 5:849-857.
7. Ahemad M., Khan M.S. Plant growth promoting activities of phosphate-solubilizing Enterobacter asburiae as influenced by fungicides. Eurasia. J. Biosci. 2010, 4:88-95.
8. Ahemad M., Khan M.S. Comparative toxicity of selected insecticides to pea plants and growth promotion in response to insecticide-tolerant and plant growth promoting Rhizobium leguminosarum. Crop Prot. 2010, 29:325-329.
9. Ahemad M., Khan M.S. Phosphate-solubilizing and plant-growth-promoting Pseudomonas aeruginosa PS1 improves greengram performance in quizalafop-p-ethyl and clodinafop amended soil. Arch. Environ. Contam. Toxicol. 2010, 58:361-372.
10. Ahemad M., Khan M.S. Ameliorative effects of Mesorhizobium sp. MRC4 on chickpea yield and yield components under different doses of herbicide stress. Pestic. Biochem. Physiol. 2010, 98:183-190.
11. Ahemad M., Khan M.S. Insecticide-tolerant and plant-growth promoting Rhizobium improves the growth of lentil (Lens esculentus) in insecticide-stressed soils. Pest Manag. Sci. 2010, 67:423-429.
12. Ahemad M., Khan M.S. Growth promotion and protection of lentil (Lens esculenta) against herbicide stress by Rhizobium species. Ann. Microbiol. 2010, 60:735-745.
13. Ahemad M., Khan M.S. Improvement in the growth and symbiotic attributes of fungicide-stressed chickpea plants following plant growth promoting fungicide-tolerant Mesorhizobium inoculation. Afr. J. Basic Appl. Sci. 2010, 2:111-116.
14. Ahemad M., Khan M.S. Toxicological assessment of selective pesticides towards plant growth promoting activities of phosphate solubilizing Pseudomonas aeruginosa. Acta Microbiol. Immunol. Hung. 2011, 58:169-187.
15. Ahemad M., Khan M.S. Effects of insecticides on plant-growth-promoting activities of phosphate solubilizing rhizobacterium Klebsiella sp. strain PS19. Pestic. Biochem. Physiol. 2011, 100:51-56.
16. Ahemad M., Khan M.S. Assessment of plant growth promoting activities of rhizobacterium Pseudomonas putida under insecticide-stress. Microbiol. J. 2011, 1:54-64.
17. Ahemad M., Khan M.S. Effect of pesticides on plant growth promoting traits of greengram-symbiont, Bradyrhizobium sp. strain MRM6. Bull. Environ. Contam. Toxicol. 2011, 86:384-388.
18. Ahemad M., Khan M.S. Ecotoxicological assessment of pesticides towards the plant growth promoting activities of Lentil (Lens esculentus)-specific Rhizobium sp. strain MRL3. Ecotoxicology 2011, 20:661-669.
19. Ahemad M., Khan M.S. Biotoxic impact of fungicides on plant growth promoting activities of phosphate-solubilizing Klebsiella sp. isolated from mustard (Brassica compestris) rhizosphere. J. Pest Sci 2011, 10.1007/s10340-011-0402-1.
20. Ahemad M., Khan M.S. Toxicological effects of selective herbicides on plant growth promoting activities of phosphate solubilizing Klebsiella sp. strain PS19. Curr. Microbiol. 2011, 62:532-538.
21. Ahemad M., Khan M.S. Insecticide-tolerant and plant growth promoting Bradyrhizobium sp. (vigna) improves the growth and yield of greengram [Vigna radiata (L.) Wilczek] in insecticide-stressed soils. Symbiosis 2011, 54:17-27.
22. Ahemad M., Khan M.S. Effect of tebuconazole-tolerant and plant growth promoting Rhizobium isolate MRP1 on pea-Rhizobium symbiosis. Sci. Hortic. 2011, 129:266-272.
23. Ahemad M., Khan M.S. Plant growth promoting fungicide-tolerant Rhizobium improves growth and symbiotic characteristics of lentil (Lens esculentus) in fungicide-applied soil. J. Plant Growth Regul. 2011, 30:334-342.
24. Ahemad M., Khan M.S. Pseudomonas aeruginosa strain PS1 enhances growth parameters of greengram [Vigna radiata (L.) Wilczek] in insecticide-stressed soils. J. Pest Sci. 2011, 84:123-131.
25. Ahemad M., Khan M.S. Response of greengram [Vigna radiata (L.) Wilczek] grown in herbicide-amended soil to quizalafop-p-ethyl and clodinafop tolerant plant growth promoting Bradyrhizobium sp. (vigna) MRM6. J. Agric. Sci. Technol. 2011, 13:1209-1222.
26. Ahemad M., Khan M.S. Effect of fungicides on plant growth promoting activities of phosphate solubilizing Pseudomonas putida isolated from mustard (Brassica compestris) rhizosphere. Chemosphere 2012, 86:945-950.
27. Ahemad M., Khan M.S. Ecological assessment of biotoxicity of pesticides towards plant growth promoting activities of pea (Pisum sativum)-specific Rhizobium sp. strain MRP1. Emirates J. Food Agric. 2012, 24:334-343.
28. Ahemad M., Khan M.S. Evaluation of plant growth promoting activities of rhizobacterium Pseudomonas putida under herbicide-stress. Ann. Microbiol. 2012, 62:1531-1540.
29. Ahemad M., Khan M.S. Effects of pesticides on plant growth promoting traits of Mesorhizobium strain MRC4. J. Saudi Soc. Agric. Sci. 2012, 11:63-71.
30. Ahemad M., Khan M.S. Alleviation of fungicide-induced phytotoxicity in greengram [Vigna radiata (L.) Wilczek] using fungicide-tolerant and plant growth promoting Pseudomonas strain. Saudi J. Biol. Sci. 2012, 19:451-459.
31. Ahemad M., Khan M.S. Productivity of greengram in tebuconazole-stressed soil, by using a tolerant and plant growth-promoting Bradyrhizobium sp. MRM6 strain. Acta Physiol. Plant. 2012, 34:245-254.
32. Ahemad M., Malik A. Bioaccumulation of heavy metals by zinc resistant bacteria isolated from agricultural soils irrigated with wastewater. Bacteriol. J. 2011, 2:12-21.
33. Ahemad M., Khan M.S., Zaidi A., Wani P.A. Remediation of herbicides contaminated soil using microbes. Microbes in Sustainable Agriculture 2009, Nova Science Publishers, New York, USA. M.S. Khan, A. Zaidi, J. Musarrat (Eds.).
34. Ahmad F., Ahmad I., Khan M.S. Screening of free-living rhizospheric bacteria for theirmultiple plant growth promoting activities. Microbiol. Res. 2008, 163:173-181.
35. Anjum M.A., Sajjad M.R., Akhtar N., Qureshi M.A., Iqbal A., Rehman J.A., Mahmud-ul-Hasan Response of cotton to plant growth promoting rhizobacteria (PGPR) inoculation under different levels of nitrogen. J. Agric. Res. 2007, 45:135-143.
36. Antoun, H., Prévost, D., 2005. Ecology of plant growth promoting rhizobacteria. In: Siddiqui, Z.A. (Ed.), PGPR: biocontrol and biofertilization, Springer, Dordrecht, pp. 1-38.
37. Antoun H., Beauchamp C.J., Goussard N., Chabot R., Lalande R. Potential of Rhizobium and Bradyrhizobium species as plant growth promoting rhizobacteria on non-legumes: effects on radishes (Raphanus sativus L.). Plant Soil 1998, 204:57-67.
38. Arora N.K., Kang S.C., Maheshwari D.K. Isolation of siderophore producing strains of Rhizobium meliloti and their biocontrol potential against Macrophomina phaseolina that causes charcoal rot of groundnut. Curr. Sci. 2001, 81:673-677.
39. Arshad M., Saleem M., Hussain S. Perspectives of bacterial ACC deaminase in phytoremediation. Trends Biotechnol. 2007, 25:356-362.
40. Babalola O.O., Osir E.O., Sanni A., Odhaimbo G.D., Bulimo W.D. Amplification of 1-aminocyclopropane-1-carboxylic (ACC) deaminase from plant growth promoting rhizobacteria in Striga-infested soils. Afr. J. Biotechnol. 2003, 2:157-160.
41. Barea J.M., Pozo M.J., Azcon R., Aguilar C.A. Microbial co-operation in the rhizosphere. J. Exp. Bot. 2005, 56:1761-1778.
42. Bashan Y., Holguin G. Azospirillum-plant relationships: Environmental and physiological advances (1990-1996). Can. J. Microbiol. 1997, 43:103-121.
43. Belimov A.A., Hontzeas N., Safronova V.I., Demchinskaya S.V., Piluzza G., Bullitta S., Glick B.R. Cadmium-tolerant plant growth promoting rhizobacteria associated with the roots of Indian mustard (Brassica juncea L. Czern.). Soil Biol. Biochem. 2005, 37:241-250.
44. Beneduzi A., Peres D., Vargas L.K., Bodanese-Zanettini M.H., Passaglia L.M.P. Evaluation of genetic diversity and plant growth promoting activities of nitrogen-fixing Bacilli isolated from rice fields in South Brazil. Appl. Soil Ecol. 2008, 39:311-320.
45. Berraho E.L., Lesueur D., Diem H.G., Sasson A. Iron requirement and siderophore production in Rhizobium ciceri during growth on an iron-deficient medium. World J. Microbiol. Biotechnol. 1997, 13:501-510.
46. Bhattacharyya P.N., Jha D.K. Plant growth-promoting rhizobacteria (PGPR): emergence in agriculture. World J. Microbiol. Biotechnol. 2012, 28:1327-1350.
47. Bishop P.E., Jorerger R.D. Genetics and molecular biology of an alternative nitrogen fixation system. Plant Mol. Biol. 1990, 41:109-125.
48. Brandl M.T., Lindow S.E. Environmental signals modulate the expression of an indole-3-acetic acid biosynthetic gene in Erwinia herbicola. Mol. Plant Microbe Interact. 1997, 10:450-499.
49. Braud A., Jézéquel K., Bazot S., Lebeau T. Enhanced phytoextraction of an agricultural Cr-, Hg- and Pb-contaminated soil by bioaugmentation with siderophoreproducing bacteria. Chemosphere 2009, 74:280-286.
50. Burd G.I., Dixon D.G., Glick B.R. Plant growth promoting bacteria that decrease heavy metal toxicity in plants. Can. J. Microbiol. 2000, 46:237-245.
51. Camerini S., Senatore B., Lonardo E., Imperlini E., Bianco C., Moschetti G., Rotino G.L., Campion B., Defez R. Introduction of a novel pathway for IAA biosynthesis to rhizobia alters vetch root nodule development. Arch. Microbiol. 2008, 190:67-77.
52. Canbolat M.Y., Bilen S., Çakmakç R., Şahin F., Aydin A. Effect of plant growth-promoting bacteria and soil compaction on barley seedling growth, nutrient uptake, soil properties and rhizosphere microflora. Biol. Fertil. Soils 2006, 42:350-357.
53. Carrillo-Castaneda G., Munoz J.J., Peralta-Videa J.R., Gomez E., Gardea-Torresdey J.L. Plant growth-promoting bacteria promote copper and iron translocation from root to shoot in alfalfa seedlings. J. Plant Nutr. 2003, 26:1801-1814.
54. Cazorla F.M., Romero D., Perez-Garcia A., Lugtenberg B.J.J., de Vicente A., Bloemberg G. Isolation and characterization of antagonistic Bacillus subtilis strains from the avocado rhizoplane displaying biocontrol activity. J. Appl. Microbiol. 2007, 103:1950-1959.
55. Chandler D., Davidson G., Grant W.P., Greaves J., Tatchell G.M. Microbial biopesticides for integrated crop management: an assessment of environmental and regulatory sustainability. Trends Food Sci. Tech. 2008, 19:275-283.
56. Chen Z., Ma S., Liu L.L. Studies on phosphorus solubilizing activity of a strain of phosphobacteria isolated from chestnut type soil in China. Biores. Technol. 2008, 99:6702-6707.
57. Crowley D.E., Kraemer S.M. Function of siderophores in the plant rhizosphere. The Rhizosphere, Biochemistry and Organic Substances at the Soil-Plant Interface 2007, 73-109. CRC Press. R. Pinton (Ed.).
58. Dakora F.D., Phillips D.A. Root exudates as mediators of mineral acquisition in low-nutrient environments. Plant Soil 2002, 245:35-47.
59. Dary M., Chamber-Pérez M.A., Palomares A.J., Pajuelo E. "In situ" phytostabilisation of heavy metal polluted soils using Lupinus luteus inoculated with metal resistant plant-growth promoting rhizobacteria. J. Hazard. Mater. 2010, 177:323-330.
60. Dean D.R., Jacobson M.R. Biochemical genetics of nitrogenase. Biological Nitrogen Fixation 1992, 763-834. Chapman and Hall, New York. G. Stacey, R.H. Burris, H.J. Evans (Eds.).
61. Dell'Amico E., Cavalca L., Andreoni V. Improvement of Brassica napus growth under cadmium stress by cadmium resistant rhizobacteria. Soil Biol. Biochem. 2008, 40:74-84.
62. Deshwal V.K., Pandey P., Kang S.C., Maheshwari D.K. Rhizobia as a biological control agent against soil borne plant pathogenic fungi. Indian J. Exp. Biol. 2003, 41:1160-1164.
63. Dessaux Y., Hinsinger P., Lemanceau P. Rhizosphere: so many achievements and even more challenges. Plant Soil 2009, 321:1-3.
64. Dey R., Pal K.K., Bhatt D.M., Chauhan S.M. Growth promotion and yield enhancement of peanut (Arachis hypogaea L.) by application of plant growth-promoting rhizobacteria. Microbiol. Res. 2004, 159:371-394.
65. Di Gregorio S., Barbafieri M., Lampis S., Sanangelantoni A.M., Tassi E., Vallini G. Combined application of Triton X-100 and Sinorhizobium sp. Pb002 inoculum for the improvement of lead phytoextraction by Brassica juncea in EDTA amended soil. Chemosphere 2006, 63:293-299.
66. Dosselaere F., Vanderleyden J. A metabolic node in action: chorismate-utilizing enzymes in microorganisms. Crit. Rev. Microbiol. 2001, 27:75-131.
67. 2 fixation and iron uptake in pigeon pea-Rhizobium symbiosis. Folia Microbiol. 1998, 43:421-426.
68. Faisal M., Hasnain S. Bacterial Cr (VI) reduction concurrently improves sunflower (Helianthus annuus L.) growth. Biotechnol. Lett. 2005, 27:943-947.
69. Faisal M., Hasnain S. Growth stimulatory effect of Ochrobactrum intermedium and Bacillus cereus on Vigna radiata plants. Lett. Appl. Microbiol. 2006, 43:461-466.
70. Figueiredo M.V.B., Seldin L., Araujo F.F., Mariano R.L.R. Plant growth promoting rhizobacteria:fundamentals and applications. Plant Growth and Health Promoting Bacteria 2011, 21-42. Springer-Verlag, Berlin, Heidelberg. D.K. Maheshwari (Ed.).
71. Franco-Correa M., Quintana A., Duque C., Suarez C., Rodríguez M.X., Barea J.M. Evaluation of actinomycete strains for key traits related with plant growth promotion and mycorrhiza helping activities. Appl. Soil Ecol. 2010, 45:209-217.
72. Gamalero E., Berta G., Glick B.R. The use of microorganisms to facilitate the growth of plants in saline soils. Microbial Strategies for Crop Improvement 2009, Springer, Berlin, Heidelberg. M.S. Khan, A. Zaidi, J. Musarrat (Eds.).
73. Ganesan V. Rhizoremediation of cadmium soil using a cadmium-resistant plant growth-promoting rhizopseudomonad. Curr. Microbiol. 2008, 56:403-407.
74. Genrich I.B., Dixon D.G., Glick B.R. A plant growth-promoting bacterium that decreases nickel toxicity in seedlings. Appl. Environ. Microbiol. 1998, 64:3663-3668.
75. Gholami A., Shahsavani S., Nezarat S. The effect of plant growth promoting rhizobacteria (PGPR) on germination, seedling growth and yield of maize. Int. J. Biol. Life Sci. 2009, 1:35-40.
76. Giordano W., Hirsch A.M. The expression of MaEXP1, a Melilotus alba expansin gene, is upregulated during the sweet clover-Sinorhizobium meliloti interaction. MPMI 2004, 17:613-622.
77. Glick B.R. Plant Growth-Promoting Bacteria: Mechanisms and Applications 2012, Hindawi Publishing Corporation, Scientifica.
78. Glick B.R., Patten C.L., Holguin G., Penrose G.M. Biochemical and Genetic Mechanisms Used by Plant Growth Promoting Bacteria 1999, Imperial College Press, London.
79. Gray E.J., Smith D.L. Intracellular and extracellular PGPR: commonalities and distinctions in the plant-bacterium signaling processes. Soil Biol. Biochem. 2005, 37:395-412.
80. Gupta A., Meyer J.M., Goel R. Development of heavy metal resistant mutants of phosphate solubilizing Pseudomonas sp. NBRI4014 and their characterization. Curr. Microbiol. 2002, 45:323-332.
81. Gupta A., Rai V., Bagdwal N., Goel R. In situ characterization of mercury resistant growth promoting fluorescent pseudomonads. Microbiol. Res. 2005, 160:385-388.
82. Hayat R., Ali S., Amara U., Khalid R., Ahmed I. Soil beneficial bacteria and their role in plant growth promotion: a review. Ann Microbiol. 2010, 60:579-598.
83. Hynes R.K., Leung G.C., Hirkala D.L., Nelson L.M. Isolation, selection, and characterization of beneficial rhizobacteria from pea, lentil and chickpea grown in Western Canada. Can. J. Microbiol. 2008, 54:248-258.
84. Indiragandhi P., Anandham R., Madhaiyan M., Sa T.M. Characterization of plant growth-promoting traits of bacteria isolated from larval guts of diamondback moth Plutella xylostella (Lepidoptera: Plutellidae). Curr. Microbiol. 2008, 56:327-333.
85. Jahanian A., Chaichi M.R., Rezaei K., Rezayazdi K., Khavazi K. The effect of plant growth promoting rhizobacteria (pgpr) on germination and primary growth of artichoke (Cynara scolymus). Int. J. Agric. Crop Sci. 2012, 4:923-929.
86. Jeon J., Lee S., Kim H., Ahn T., Song H. Plant growth promotion in soil by some inoculated microorganisms. J. Microbiol. 2003, 41:271-276.
87. Jha P.N., Kumar A. Endophytic colonization of Typha australis by a plant growth-promoting bacterium Klebsiella oxytoca strain GR-3. J. Appl. Microbiol. 2007, 103:1311-1320.
88. Jiang C., Sheng X., Qian M., Wang Q. Isolation and characterization of a heavy metal-resistant Burkholderia sp. from heavy metal-contaminated paddy field soil and its potential in promoting plant growth and heavy metal accumulation in metal-polluted soil. Chemosphere 2008, 72:157-164.
89. Joo G.J., Kin Y.M., Kim J.T., Rhee I.K., Kim J.H., Lee I.J. Gibberellins-producing rhizobacteria increase endogenous gibberellins content and promote growth of red peppers. J. Microbiol. 2005, 43:510-515.
90. Joseph B., Patra R.R., Lawrence R. Characterization of plant growth promoting rhizobacteria associated with chickpea (Cicer arietinum L.). Int. J. Plant Prod. 2007, 2:141-152.
91. Kang B.G., Kim W.T., Yun H.S., Chang S.C. Use of plant growth-promoting rhizobacteria to control stress responses of plant roots. Plant Biotechnol. Rep. 2010, 4:179-183.
92. Khalid A., Arshad M., Zahir Z.A. Screening plant growth-promoting rhizobacteria for improving growth and yield of wheat. J. Appl. Microbiol. 2004, 96:473-480.
93. Khalid A., Akhtar M.J., Mahmood M.H., Arshad M. Effect of substrate-dependent microbial ethylene production on plant growth. Microbiology 2006, 75:231-236.
94. Khan A.G. Role of soil microbes in the rhizospheres of plants growing on trace metal contaminated soils in phytoremediation. J. Trace Elem. Med. Biol. 2005, 18:355-364.
95. Khan M.S., Zaidi A., Aamil M. Biocontrol of fungal pathogens by the use of plant growth promoting rhizobacteria and nitrogen fixing microorganisms. Ind. J. Bot. Soc. 2002, 81:255-263.
96. Khan M.S., Zaidi A., Wani P.A. Role of phosphate-solubilizing microorganisms in sustainable agriculture - a review. Agron. Sustain. Dev. 2006, 27:29-43.
97. Khan M.S., Zaidi A., Wani P.A., Oves M. Role of plant growth promoting rhizobacteria in the remediation of metal contaminated soils. Environ. Chem. Lett. 2009, 7:1-19.
98. Kim J., Rees D.C. Nitrogenase and biological nitrogen fixation. Biochemistry 1994, 33:389-397.
99. Kiss T., Farkas E. Metal-binding ability of desferrioxamine B. J. Inclusion Phenom. Mol. Recognit. Chem. 1998, 32:385-403.
100. Kloepper J.W. Plant growth-promoting rhizobacteria (other systems). Azospirillum/Plant Associations 1994, 111-118. CRC Press, Boca Raton, FL, USA. Y. Okon (Ed.).
101. Kloepper, J.W., 2003. A review of mechanisms for plant growth promotion by PGPR In: Reddy, M.S., Anandaraj, M., Eapen, S.J., Sarma, Y.R., Kloepper, J.W. (Eds.), Abstracts and Short Papers. 6th International PGPR Workshop, 5-10 October 2003, Indian Institute of Spices Research, Calicut, India, pp. 81-92.
102. Kloepper, J.W., Schroth, M.N., 1978. Plant growth-promoting rhizobacteria on radishes. In: Proceedings of the 4th International Conference on Plant Pathogenic Bacteria, vol. 2. Station de Pathologie Végétale et de Phytobactériologie, INRA, Angers, France, pp. 879-882.
103. Kloepper J.W., Schroth M.N. Relationship of in vitro antibiosis of plant growth promoting rhizobacteria to plant growth and the displacement of root microflora. Phytopathology 1981, 71:1020-1024.
104. Kloepper J.W., Zablotowick R.M., Tipping E.M., Lifshitz R. Plant growth promotion mediated by bacterial rhizosphere colonizers. The Rhizosphere and Plant Growth 1991, 315-326. Kluwer Academic Publishers, Dordrecht, Netherlands. D.L. Keister, P.B. Cregan (Eds.).
105. Kumar V., Behl R.K., Narula N. Establishment of phosphate solubilizing strains of Azotobacter chroococcum in the rhizosphere and their effect on wheat cultivars under greenhouse conditions. Microbiol. Res. 2001, 156:87-93.
106. Kumar K.V., Singh N., Behl H.M., Srivastava S. Influence of plant growth promoting bacteria and its mutant on heavy metal toxicity in Brassica juncea grown in fly ash amended soil. Chemosphere 2008, 72:678-683.
107. Ladha J.K., de Bruijn F.J., Malik K.A. Introduction: assessing opportunities for nitrogen fixation in rice-a frontier project. Plant Soil 1997, 124:1-10.
108. Lawongsa P., Boonkerd N., Wongkaew S., O'Gara F., Teaumroong N. Molecular and phenotypic characterization of potential plant growth-promoting Pseudomonas from rice and maize rhizospheres. World J. Microbiol. Biotechnol. 2008, 24:1877-1884.
109. Liu H., He Y., Jiang H., Peng H., Huang X., Zhang X., Thomashow L.S., Xu Y. Characterization of a phenazine-producing strain Pseudomonas chlororaphis GP72 with broad-spectrum antifungal activity from green pepper rhizosphere. Curr. Microbiol. 2007, 54:302-306.
110. Lugtenberg B., Kamilova F. Plant-growth-promoting rhizobacteria. Annu. Rev. Microbiol. 2009, 63:541-556.
111. Ma Y., Rajkumar M., Freitas H. Isolation and characterization of Ni mobilizing PGPB from serpentine soils and their potential in promoting plant growth and Ni accumulation by Brassica spp. Chemosphere 2009, 75:719-725.
112. Ma Y., Rajkumar M., Freitas H. Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteria. J. Hazard. Mater. 2009, 166:1154-1161.
113. Ma Y., Rajkumar M., Freitas H. Inoculation of plant growth promoting bacterium Achromobacter xylosoxidans strain Ax10 for the improvement of copper phytoextraction by Brassica juncea. J. Environ. Manage. 2009, 90:831-837.
114. Ma Y., Rajkumar M., Luo Y., Freitas H. Inoculation of endophytic bacteria on host and non-host plants-effects on plant growth and Ni uptake. J. Hazard. Mater. 2011, 195:230-237.
115. Ma Y., Rajkumar M., Vicente J.A., Freitas H. Inoculation of Ni-resistant plant growth promoting bacterium Psychrobacter sp. strain SRS8 for the improvement of nickel phytoextraction by energy crops. Int. J. Phytoremediation 2011, 13:126-139.
116. Madhaiyan M., Poonguzhali S., Sa T. Metal tolerating methylotrophic bacteria reduces nickel and cadmium toxicity and promotes plant growth of tomato (Lycopersicon esculentum L.). Chemosphere 2007, 69:220-228.
117. Marroqui S., Zorreguieta A., Santamaría C. Enhanced symbiotic performance by Rhizobium tropici glycogen synthase mutants. J. Bacteriol. 2001, 183:854-864.
118. Marschner H. Mineral Nutrition of Higher Plants 1995, Academic Press, London.
119. Mayak S., Tirosh T., Glick B.R. Effect of wild-type and mutant plant growth-promoting rhizobacteria on the rooting of mung been cuttings. J. Plant Growth Regul. 1999, 18:49-53.
120. Mayak S., Tirosh T., Glick B.R. Plant growth-promoting bacteria confer resistance in tomato plants to salt stress. Plant Physiol. Biochem. 2004, 42:565-572.
121. McKenzie, R.H., Roberts, T.L., 1990. Soil and fertilizers phosphorus update. In: Proceedings of Alberta Soil Science Workshop Proceedings, Feb. 20-22, Edmonton, Alberta, pp. 84-104.
122. Mehnaz S., Baig D.N., Lazarovits G. Genetic and phenotypic diversity of plant growth promoting rhizobacteria isolated from sugarcane plants growing in Pakistan. J. Microbiol. Biotechnol. 2010, 20:1614-1623.
123. Merino E., Jensen R.A., Yanofsky C. Evolution of bacterial trp operons and their regulation. Curr. Opin. Microbiol. 2008, 11:78-86.
124. Merzaeva O.V., Shirokikh I.G. Colonization of plant rhizosphere by actinomycetes of different genera. Microbiology 2006, 75:226-230.
125. Murphy J.F., Zehnder G.W., Schuster D.J., Sikora E.J., Polston J.E., Kloepper J.W. Plant growth-promoting rhizobacterial mediated protection in tomato against tomato mottle virus. Plant Dis. 2000, 84:779-784.
126. Nadeem S.M., Zahir Z.A., Naveed M., Arshad M. Preliminary investigations on inducing salt tolerance in maize through inoculation with rhizobacteria containing ACC deaminase activity. Can. J. Microbiol. 2007, 53:1141-1149.
127. Nadeem S.M., Zahir Z.A., Naveed M., Arshad M. Rhizobacteria containing ACC-deaminase confer salt tolerance in maize grown on salt-affected fields. Can. J. Microbiol. 2009, 55:1302-1309.
128. Naik M.M., Dubey S.K. Lead-enhanced siderophore production and alteration in cell morphology in a Pb-resistant Pseudomonas aeruginosa strain 4EA. Curr. Microbiol. 2011, 62:409-414.
129. Nardi S., Concheri G., Pizzeghello D., Sturaro A., Rella R., Parvoli G. Soil organic matter mobilization by root exudates. Chemosphere 2000, 5:653-658.
130. Neilands J.B. Siderophores: structure and function of microbial iron transport compounds. J. Biol. Chem. 1995, 270:26723-26726.
131. Neubauer U., Furrer G., Kayser A., Schulin R. Siderophores, NTA, and citrate: potential soil amendments to enhance heavy metal mobility in phytoremediation. Int. J. Phytoremediation 2000, 2:353-368.
132. Noel T.C., Sheng C., Yost C.K., Pharis R.P., Hynes M.F. Rhizobium leguminosarum as a plant growth promoting rhizobacterium: direct growth promotion of canola and lettuce. Can. J. Microbiol. 1996, 42:279-283.
133. Noordman W.H., Reissbrodt R., Bongers R.S., Rademaker I.L.W., Bockelmann W., Smit G. Growth stimulation of Brevibacterium sp. by siderophores. J. Appl. Microbiol. 2006, 101:637-646.
134. Pandey A., Trivedi P., Kumar B., Palni L.M.S. Characterization of a phosphate solubilizing and antagonistic strain of Pseudomonas putida (B0) isolated from a Sub-Alpine Location in the Indian Central Himalaya. Curr. Microbiol. 2006, 53:102-107.
135. Patten C.L., Glick B.R. Bacterial biosynthesis of indole-3-acetic acid. Can. J. Microbiol. 1996, 42:207-220.
136. Phi Quyet.-Tien., Yu-Mi P., Keyung-Jo S., Choong-Min R., Seung-Hwan P., Jong-Guk K., Sa-Youl G. Assessment of root-associated Paenibacillus polymyxa groups on growth promotion and induced systemic resistance in pepper. J. Microbiol. Biotechnol. 2010, 20:1605-1613.
137. Poonguzhali S., Madhaiyan M., Sa T. Isolation and identification of phosphate solubilizing bacteria from chinese cabbage and their effect on growth and phosphorus utilization of plants. J. Microbiol. Biotechnol. 2008, 18:773-777.
138. Rajkumar M., Freitas H. Effects of inoculation of plant growth promoting bacteria on Ni uptake by Indian mustard. Bioresour. Technol. 2008, 99:3491-3498.
139. Rajkumar M., Lee K.J., Lee W.H., Banu J.R. Growth of Brassica juncea under chromium stress: influence of siderophores and indole-3-acetic acid producing rhizosphere bacteria. J. Environ. Biol. 2005, 26:693-699.
140. Rajkumar M., Nagendran R., Kui J.L., Wang H.L., Sung Z.K. Influence of plant growth promoting bacteria and Cr (VI) on the growth of Indian mustard. Chemosphere 2006, 62:741-748.
141. Rajkumar M., Ma Y., Freitas H. Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in Portugal. J. Basic Microbiol. 2008, 48:500-508.
142. Rajkumar M., Ae N., Prasad M.N.V., Freitas H. Potential of siderophore-producing bacteria for improving heavy metal phytoextraction. Trends Biotechnol. 2010, 28:142-149.
143. Rani A., Souche Y.S., Goel R. Comparative assessment of in situ bioremediation potential of cadmium resistant acidophilic Pseudomonas putida 62BN and alkalophilic Pseudomonas monteilli 97AN strains on soybean. Int. Biodet. Biodegrad. 2009, 63:62-66.
144. Raymond J., Siefert J.L., Staples C.R., Blankenship R.E. The natural history of nitrogen fixation. Mol. Biol. Evol. 2004, 21:541-554.
145. Rekha P.D., Lai W., Arun A.B., Young C. Effect of free and encapsulated Pseudomonas putida CC-R2-4 and Bacillus subtilis CC-pg104 on plant growth under gnotobiotic conditions. Biores. Technol. 2007, 98:447-451.
146. Remans R., Beebe S., Blair M., Manrique G., Tovar E., Rao I., Croonenborghs A., Torres-Gutierrez R., El-Howeity M., Michiels J., Vanderleyden J. Physiological and genetic analysis of root responsiveness to auxin-producing plant growth-promoting bacteria in common bean (Phaseolus vulgaris L.). Plant Soil 2008, 302:149-161.
147. Robinson B., Russell C., Hedley M.J., Clothier B. Cadmium adsorption by rhizobacteria: implications for New Zealand Pastureland. Agric. Ecosyst. Environ. 2001, 87:315-321.
148. 2 fixation of rice (Oryza sativa L.). Plant Soil 2008, 302:249-261.
149. Rokhbakhsh-Zamin F., Sachdev D., Kazemi-Pour N., Engineer A., Pardesi K.R., Zinjarde S., Dhakephalkar P.K., Chopade B.A. Characterization of plant-growth-promoting traits of Acinetobacter species isolated from rhizosphere of Pennisetum glaucum. J. Microbiol. Biotechnol. 2011, 21:556-566.
150. Rubio L.M., Ludden P.W. Biosynthesis of the iron-molybdenum cofactor of nitrogenase. Annu. Rev. Microbiol. 2008, 62:93-111.
151. Russo A., Vettori L., Felici C., Fiaschi G., Morini S., Toffanin A. Enhanced micropropagation response and biocontrol effect of Azospirillum brasilense Sp245 on Prunus cerasifera L. clone Mr.S 2/5 plants. J. Biotechnol. 2008, 134:312-319.
152. Sachdev D.P., Chaudhari H.G., Kasure V.M., Dahavale D.D., Chopade B.A. Isolation and characterization of indole acetic acid (IAA) producing Klebsiella pneumoniae strains from rhizosphere of wheat (Triticum aestivum) and their effect on plant growth. Indian J. Exp. Biol. 2009, 47:993-1000.
153. Saleem M., Arshad M., Hussain S., Bhatti A.S. Perspective of plant growth promoting rhizobacteria (PGPR) containing ACC deaminase in stress agriculture. J. Indian Microbiol. Biotechnol. 2007, 34:635-648.
154. Saleh S.S., Glick B.R. Involvement of gacS and rpoS in enhancement of the plant growth-promoting capabilities of Enterobacter cloacae CAL2 and Pseudomonas putida UW4. Can. J. Microbiol. 2001, 47:698-705.
155. Santner A., Calderon-Villalobos L.I.A., Estelle M. Plant hormones are versatile chemical regulators of plant growth. Nature Chem. Biol. 2009, 5:301-307.
156. Saravanakumara D., Vijayakumarc C., Kumarb N., Samiyappan R. PGPR-induced defense responses in the tea plant against blister blight disease. Crop Prot. 2007, 26:556-565.
157. Saravanan V.S., Madhaiyan M., Thangaraju M. Solubilization of zinc compounds by the diazotrophic, plant growth promoting bacterium Gluconacetobacter diazotrophicus. Chemosphere 2007, 66:1794-1798.
158. Schmidt W. Mechanisms and regulation of reduction-based iron uptake in plants. New Phytol. 1999, 141:1-26.
159. Selvakumar G., Mohan M., Kundu S., Gupta A.D., Joshi P., Nazim S., Gupta H.S. Cold tolerance and plant growth promotion potential of Serratia marcescens strain SRM (MTCC 8708) isolated from flowers of summer squash (Cucurbita pepo). Lett. Appl. Microbiol. 2008, 46:171-175.
160. Shaharoona B., Arshad M., Zahir Z.A. Effect of plant growth promoting rhizobacteria containing ACC-deaminase on maize (Zea mays L.) growth under axenic conditions and on nodulation in mung bean. Lett. Appl. Microbiol. 2006, 42:155-159.
161. Shaharoona B., Arshad M., Khalid A. Differential response of etiolated pea seedlings to inoculation with rhizobacteria capable of utilizing 1-aminocyclopropane-1-carboxylate or L-methionine. J. Microbiol. 2007, 45:15-20.
162. Shaharoona B., Jamro G.M., Zahir Z.A., Arshad M., Memon K.S. Effectiveness of various Pseudomonas spp. and Burkholderia caryophylli containing ACC-deaminase for improving growth and yield of wheat (Triticum aestivum L.). J. Microbiol. Biotechnol. 2007, 17:1300-1307.
163. Shaharoona B., Naveed M., Arshad M., Zahir Z.A. Fertilizer-dependent efficiency of Pseudomonads for improving growth, yield, and nutrient use efficiency of wheat (Triticum aestivum L.). Appl. Microbiol. Biotechnol. 2008, 79:147-155.
164. Sharma A., Johri B.N., Sharma A.K., Glick B.R. Plant growth-promoting bacterium Pseudomonas sp. strain GRP3 influences iron acquisition in mung bean (Vigna radiata L. Wilzeck). Soil Biol. Biochem. 2003, 35:887-894.
165. Sharma S.K., Johri B.N., Ramesh A., Joshi O.P., Prasad S.V.S. Selection of plant growth-promoting Pseudomonas spp. that enhanced productivity of soybean-wheat cropping system in central India. J. Microbiol. Biotechnol. 2011, 21:1127-1142.
166. Sheng X.F., Xia J.J. Improvement of rape (Brassica napus) plant growth and cadmium uptake by cadmium-resistant bacteria. Chemosphere 2006, 64:1036-1042.
167. Sheng X.F., Jiang C.Y., He L.Y. Characterization of plant growth-promoting Bacillus edaphicus NBT and its effect on lead uptake by Indian mustard in a lead-amended soil. Can. J. Microbiol. 2008, 54:417-422.
168. Sinha S., Mukherjee S.K. Cadmium-induced siderophore production by a high Cd-resistant bacterial strain relieved Cd toxicity in plants through root colonization. Curr. Microbiol. 2008, 56:55-60.
169. Somers E., Vanderleyden J., Srinivasan M. Rhizosphere bacterial signalling: a love parade beneath our feet. Crit. Rev. Microbiol 2004, 30:205-240.
170. Spaepen S., Vanderleyden J. Auxin and plant-microbe interactions. Cold Spring Harb. Perspect. Biol. 2011, 10.1101/cshperspect.a001438.
171. Spaepen S., Vanderleyden J., Remans R. Indole- 3-acetic acid in microbial and microorganism-plant signaling. FEMS Microbiol. Rev. 2007, 31:425-448.
172. Suman A., Shasany A.K., Singh M., Shahi H.N., Gaur A., Khanuja S.P.S. Molecular assessment of diversity among endophytic diazotrophs isolated from subtropical Indian sugarcane. World J. Microbiol. Biotechnol. 2001, 17:39-45.
173. Tank N., Saraf M. Phosphate solubilization, exopolysaccharide production and indole acetic acid secretion by rhizobacteria isolated from Trigonella graecum. Indian J. Microbiol. 2003, 43:37-40.
174. Tank N., Saraf M. Enhancement of plant growth and decontamination of nickel-spiked soil using PGPR. J. Basic Microbiol. 2009, 49:195-204.
175. Tank N., Saraf M. Salinity-resistant plant growth promoting rhizobacteria ameliorates sodium chloride stress on tomato plants. J. Plant Interact. 2010, 5:51-58.
176. Tao G.C., Tian S.J., Cai M.Y., Xie G.H. Phosphate solubilizing and -mineralizing abilities of bacteria isolated from. Pedosphere 2008, 18:515-523.
177. Thakuria D., Talukdar N.C., Goswami C., Hazarika S., Boro R.C., Khan M.R. Characterization and screening of bacteria from rhizosphere of rice grown in acidic soils of Assam. Curr. Sci. 2004, 86:978-985.
178. Tian F., Ding Y., Zhu H., Yao L., Du B. Genetic diversity of siderophore-producing bacteria of tobacco rhizosphere. Braz. J. Microbiol. 2009, 40:276-284.
179. Tripathi M., Munot H.P., Shouch Y., Meyer J.M., Goel R. Isolation and functional characterization of siderophore-producing lead- and cadmium-resistant Pseudomonas putida KNP9. Curr. Microbiol. 2005, 5:233-237.
180. Tsavkelova E.A., Cherdyntseva T.A., Netrusov A.I. Auxin production by bacteria associated with orchid roots. Microbiology 2005, 74:46-53.
181. Valverde A., Burgos A., Fiscella T., Rivas R., Velazquez E., Rodriguez-Barrueco C., Cervantes E., Chamber M., Igual J.M. Differential effects of coinoculations with Pseudomonas jessenii PS06 (a phosphate-solubilizing bacterium) and Mesorhizobium ciceri C-2/2 strains on the growth and seed yield of chickpea under greenhouse and field conditions. Plant Soil 2006, 287:43-50.
182. Vansuyt G., Robin A., Briat J.F., Curie C., Lemanceau P. Iron acquisition from Fe-pyoverdine by Arabidopsis thaliana. Mol. Plant Microbe Interact. 2007, 20:441-447.
183. Verma A., Kukreja K., Pathak D.V., Suneja S., Narula N. In vitro production of plant growth regulators (PGRs) by Azorobacter chroococcum. Indian J. Microbiol. 2001, 41:305-307.
184. Vessey J.K. Plant growth promoting rhizobacteria as biofertilizers. Plant Soil 2003, 255:571-586.
185. Vikram A., Hamzehzarghani H. Effect of phosphate solubilizing bacteria on nodulation and growth parameters of greengram (Vigna radiate L. Wilczec). Res. J. Microbiol. 2008, 3:62-72.
186. Vivas A., Biro B., Ruiz-Lozano J.M., Barea J.M., Azcon R. Two bacterial strains isolated from a Zn-polluted soil enhance plant growth and mycorrhizal efficiency under Zn toxicity. Chemosphere 2006, 52:1523-1533.
187. Walker T.S., Bais H.P., Grotewold E., Vivanco J.M. Root exudation and rhizosphere biology. Plant Physiol. 2003, 132:44-51.
188. Wani P.A., Khan M.S. Bacillus species enhance growth parameters of chickpea (Cicer arietinum L.) in chromium stressed soils. Food Chem. Toxicol. 2010, 48:3262-3267.
189. Wani P.A., Khan M.S., Zaidi A. Effect of metal tolerant plant growth promoting Bradyrhizobium sp. (vigna) on growth, symbiosis, seed yield and metal uptake by greengram plants. Chemosphere 2007, 70:36-45.
190. Wani P.A., Khan M.S., Zaidi A. Co inoculation of nitrogen fixing and phosphate solubilizing bacteria to promote growth, yield and nutrient uptake in chickpea. Acta Agron. Hung. 2007, 55:315-323.
191. Wani P.A., Khan M.S., Zaidi A. Synergistic effects of the inoculation with nitrogen fixing and phosphate solubilizing rhizobacteria on the performance of field grown chickpea. J. Plant Nutr. Soil Sci. 2007, 170:283-287.
192. Wani P.A., Khan M.S., Zaidi A. Chromium-reducing and plant growth-promoting Mesorhizobium improves chickpea growth in chromium-amended soil. Biotechnol. Lett. 2008, 30:159-163.
193. Wittenberg J.B., Wittenberg B.A., Day D.A., Udvardi M.K., Appleby C.A. Siderophore bound iron in the peribacteroid space of soybean root nodules. Plant Soil 1996, 178:161-169.
194. Wu C.H., Wood T.K., Mulchandani A., Chen W. Engineering plant-microbe symbiosis for rhizoremediation of heavy metals. Appl. Environ. Microbiol. 2006, 72:1129-1134.
195. Yasmin S., Rahman M., Hafeez F.Y. Isolation, characterization and beneficial effects of rice associated plant growth promoting bacteria from Zanzibar soils. J. Basic Microbiol. 2004, 44:241-252.
196. Zahir Z.A., Munir A., Asghar H.N., Shaharoona B., Arshad M. Effectiveness of rhizobacteria containing ACC-deaminase for growth promotion of pea (Pisum sativum) under drought conditions. J. Microbiol. Biotechnol. 2008, 18:958-963.
197. Zahir Z.A., Ghani U., Naveed M., Nadeem S.M., Asghar H.N. Comparative effectiveness of Pseudomonas and Serratia sp. containing ACC-deaminase for improving growth and yield of wheat (Triticum aestivum L.) under salt-stressed conditions. Arch. Microbiol. 2009, 191:415-424.
198. Zahir Z.A., Shah M.K., Naveed M., Akhter M.J. Substrate-dependent auxin production by Rhizobium phaseoli improves the growth and yield of Vigna radiata L. under salt stress conditions. J. Microbiol. Biotechnol. 2010, 20:1288-1294.
199. Zahran H.H. Rhizobia from wild legumes: diversity, taxonomy, ecology, nitrogen fixation and biotechnology. J. Biotechnol. 2001, 91:143-153.
200. Zaidi A., Khan M.S. Interactive effect of rhizospheric microorganisms on growth, yield and nutrient uptake of wheat. J. Plant Nutr. 2005, 28:2079-2092.
201. Zaidi S., Usmani S., Singh B.R., Musarrat J. Significance of Bacillus subtilis strain SJ 101 as a bioinoculant for concurrent plant growth promotion and nickel accumulation in Brassica juncea. Chemosphere 2006, 64:991-997.
202. Zaidi A., Khan M.S., Ahemad M., Oves M. Plant growth promotion by phosphate solubilizing bacteria. Acta Microbiol. Immunol. Hung. 2009, 56:263-284.