Remediation of metalliferous soils through the heavy metal resistant plant growth promoting bacteria: Paradigms and prospects

Arabian Journal of Chemistry

Volumn 12, Issue 7, 2019, Pages 1365-1377

  Ahemad, Munees ^a  

^a ALIGARH MUSLIM UNIVERSITY   (India)

Author keywords

Bioinoculant; Bioremediation; Heavy metals; Metal resistance; Plant growth promoting bacteria; Rhizobacteria

Indexed keywords

BIOREMEDIATION; BIOTECHNOLOGY; COST EFFECTIVENESS; HEAVY METALS; MILITARY OPERATIONS; PLANT LIFE EXTENSION; PLANTS (BOTANY); SOIL POLLUTION; SOILS;

BIOINOCULANT; DIFFERENT MECHANISMS; ENVIRONMENTAL-FRIENDLY; METAL RESISTANCES; PLANT GROWTH PROMOTING BACTERIUM; PLANT GROWTH PROMOTION; RHIZOBACTERIA; SOIL MICRO-ORGANISMS;

BACTERIA;

EID: 85074157516     PISSN: 18785352     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.arabjc.2014.11.020     Document Type: Review

References (136)

1. Abou-Shanab, R.A., Angle, J.S., Delorme, T.A., Chaney, R.L., van Berkum, P., Moawad, H., Ghanem, K., Ghozlan, H.A., Rhizobacterial effects on nickel extraction from soil and uptake by Alyssum murale. New Phytol. 158 (2003), 219–224.
2. Adriano, D.C., Trace Elements in Terrestrial Environments: Biogeochemistry, Bioavailability and Risks of Metals. 2001, Springer-Verlag, New York.
3. Ahemad, M., Implications of bacterial resistance against heavy metals in bioremediation: a review. IIOAB J. 3 (2012), 39–46.
4. Ahemad, M., Bacterial mechanisms for Cr(VI) resistance and reduction: an overview and recent advances. Folia Microbiol., 2014, 10.1007/s12223-014-0304-8.
5. Ahemad, M., Phosphate solubilizing bacteria-assisted phytoremediation of metalliferous soils: a review. 3 Biotech, 2014, 10.1007/s13205-014-0206-0.
6. 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. 12 (2009), 213–222.
7. Ahemad, M., Khan, M.S., Toxicity assessment of herbicides quizalafop-p-ethyl and clodinafop towards Rhizobium pea symbiosis. Bull. Environ. Contam. Toxicol. 82 (2009), 761–766.
8. Ahemad, M., Khan, M.S., Influence of selective herbicides on plant growth promoting traits of phosphate solubilizing Enterobacter asburiae strain PS2. Res. J. Microbiol. 5 (2010), 849–857.
9. Ahemad, M., Khan, M.S., Plant growth promoting activities of phosphate-solubilizing Enterobacter asburiae as influenced by fungicides. Eur. J. Biosci. 4 (2010), 88–95.
10. 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 Protect. 29 (2010), 325–329.
11. 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. 58 (2010), 361–372.
12. 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. 98 (2010), 183–190.
13. 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. 67 (2010), 423–429.
14. Ahemad, M., Khan, M.S., Growth promotion and protection of lentil (Lens esculenta) against herbicide stress by Rhizobium species. Ann. Microbiol. 60 (2010), 735–745.
15. 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. 2 (2010), 111–116.
16. Ahemad, M., Khan, M.S., Toxicological assessment of selective pesticides towards plant growth promoting activities of phosphate solubilizing Pseudomonas aeruginosa. Acta Microbiol. Immunol. Hung. 58 (2011), 169–187.
17. Ahemad, M., Khan, M.S., Effects of insecticides on plant-growth-promoting activities of phosphate solubilizing rhizobacterium Klebsiella sp. strain PS19. Pestic. Biochem. Physiol. 100 (2011), 51–56.
18. Ahemad, M., Khan, M.S., Assessment of plant growth promoting activities of rhizobacterium Pseudomonas putida under insecticide-stress. Microbiol. J. 1 (2011), 54–64.
19. Ahemad, M., Khan, M.S., Effect of pesticides on plant growth promoting traits of greengram-symbiont, Bradyrhizobium sp. strain MRM6. Bull. Environ. Contam. Toxicol. 86 (2011), 384–388.
20. 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 20 (2011), 661–669.
21. Ahemad, M., Khan, M.S., Biotoxic impact of fungicides on plant growth promoting activities of phosphate-solubilizing Klebsiella sp. isolated from mustard (Brassica campestris) rhizosphere. J. Pest Sci., 2011, 11, 10.1007/s10340-011-0402-1.
22. Ahemad, M., Khan, M.S., Toxicological effects of selective herbicides on plant growth promoting activities of phosphate solubilizing Klebsiella sp. strain PS19. Curr. Microbiol. 62 (2011), 532–538.
23. 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 54 (2011), 17–27.
24. Ahemad, M., Khan, M.S., Effect of tebuconazole-tolerant and plant growth promoting Rhizobium isolate MRP1 on pea-Rhizobium symbiosis. Sci. Hortic. 129 (2011), 266–272.
25. 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. 30 (2011), 334–342.
26. 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. 84 (2011), 123–131.
27. 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. 13 (2011), 1209–1222.
28. Ahemad, M., Khan, M.S., Effect of fungicides on plant growth promoting activities of phosphate solubilizing Pseudomonas putida isolated from mustard (Brassica campestris) rhizosphere. Chemosphere 86 (2012), 945–950.
29. 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. 24 (2012), 334–343.
30. Ahemad, M., Khan, M.S., Evaluation of plant growth promoting activities of rhizobacterium Pseudomonas putida under herbicide-stress. Ann. Microbiol. 62 (2012), 1531–1540.
31. Ahemad, M., Khan, M.S., Effects of pesticides on plant growth promoting traits of Mesorhizobium strain MRC4. J. Saudi Soc. Agric. Sci. 11 (2012), 63–71.
32. 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. 19 (2012), 451–459.
33. 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. 34 (2012), 245–254.
34. Ahemad, M., Khan, M.S., Zaidi, A., Wani, P.A., Remediation of herbicides contaminated soil using microbes. Khan, M.S., Zaidi, A., Musarrat, J., (eds.) Microbes in Sustainable Agriculture, 2009, Nova Science Publishers, New York, USA.
35. Ahemad, M., Kibret, M., Recent trends in microbial biosorption of heavy metals: a review. Biochem. Mol. Biol. 1 (2013), 19–26.
36. Ahemad, M., Kibret, M., Mechanisms and applications of plant growth promoting rhizobacteria: current perspective. J. King Saudi Univ. Sci. 26 (2014), 1–20.
37. Ahemad, M., Malik, A., Bioaccumulation of heavy metals by zinc resistant bacteria isolated from agricultural soils irrigated with wastewater. Bacteriol. J. 2 (2011), 12–21.
38. Alkorta, I., Hernández-Allica Becerril, J.M., Amezaga, I., Albizu, I., Garbisu, C., Recent findings on the phytoremediation of soils contaminated with environmentally toxic heavy metals and metalloids such as zinc, cadmium, lead, and arsenic. Rev. Environ. Sci. Biotechnol. 3 (2004), 71–90.
39. Alloway, B.J., Introduction. Alloway, B.J., (eds.) Heavy Metals in Soils, 1995, Blackie Academic & Professional, New York, 3–9.
40. Barzanti, R., Ozino, F., Bazzicalupo, M., Gabbrielli, R., Galardi, F., Gonnelli, C., Mengoni, A., Isolation and characterization of endophytic bacteria from the nickel hyperaccumulator plant Alyssum bertolonii. Microb. Ecol. 53 (2007), 306–316.
41. 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. 37 (2005), 241–250.
42. 2-fixing bacteria and Pseudomonas strains. Acta Biol. Hung. 46 (1995), 9–16.
43. Bishop, P.L., Pollution Prevention: Fundamentals and Practice. 2002, Tsinghua University Press, Beijing, China.
44. Braud, A., Jézéquel, K., Bazot, S., Lebeau, T., Enhanced phytoextraction of an agricultural Cr-, Hg- and Pb-contaminated soil by bioaugmentation with siderophore producing bacteria. Chemosphere 74 (2009), 280–286.
45. Braud, A., Jezequel, K., Vieille, E., Tritter, A., Lebeau, T., Changes in extractability of Cr and Pb in a polycontaminated soil after bioaugmentation with microbial producers of biosurfactants, organic acids and siderophores. Water Air Soil Pollut. Focus 6 (2006), 261–279.
46. Burd, G.I., Dixon, D.G., Glick, B.R., Plant growth promoting bacteria that decrease heavy metal toxicity in plants. Can. J. Microbiol. 46 (2000), 237–245.
47. 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. 26 (2003), 1801–1814.
48. Cazorla, F.M., Romero, D., Perez-Garcıa, 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. 103 (2007), 1950–1959.
49. Cooksey, D.A., Molecular mechanisms for copper resistance and accumulation in bacteria. FEMS Microbiol. Rev. 14 (1994), 381–386.
50. 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. 177 (2010), 323–330.
51. 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 63 (2006), 293–299.
52. Diaz-Ravina, M., Baath, E., Development of metal tolerance in soil bacterial communities exposed to experimentally increased metal levels. Appl. Environ. Microbiol. 62 (1996), 2970–2977.
53. Diels, L., Spaans, P.H., Van Roy, S., Hooyberghs, L., Ryngaert, A., Wouters, H., Walter, E., Winters, J., Macaskie, L., Finlay, J., Pernfuss, B., Woebking, H., Pumpel, T., Tsezos, M., Heavy metals removal by sand filters inoculated with metal sorbing and precipitating bacteria. Hydrometallurgy 71 (2003), 235–241.
54. Dimkpa, C., Svatos, A., Merten, D., Büchel, G., Kothe, E., Hydroxamate siderophores produced by Streptomyces acidiscabies E13 bind nickel and promote growth in cowpea (Vigna unguiculata L.) under nickel stress. Can. J. Microbiol. 54 (2008), 163–172.
55. Dimkpa, C.O., Merten, D., Svatos, A., Büchel, G., Kothe, E., Metal-induced oxidative stress impacting plant growth in contaminated soil is alleviated by microbial siderophores. Soil Biol. Biochem. 41 (2009), 154–162.
56. Faisal, M., Hasnain, S., Bacterial Cr(VI) reduction concurrently improves sunflower (Helianthus annuus L.) growth. Biotechnol. Lett. 27 (2005), 943–947.
57. Faisal, M., Hasnain, S., Growth stimulatory effect of Ochrobactrum intermedium and Bacillus cereus on Vigna radiata plants. Lett. Appl. Microbiol. 43 (2006), 461–466.
58. Fischerová, Z., Tlustoš, P., Száková, J., Šichorová, K., A comparison of phytoremediation capability of selected plant species for given trace elements. Environ. Pollut. 144 (2006), 93–100.
59. Ganesan, V., Rhizoremediation of cadmium soil using a cadmium-resistant plant growth-promoting rhizopseudomonad. Curr. Microbiol. 56 (2008), 403–407.
60. Gilis, A., Corbisier, P., Baeyens, W., Taghavi, S., Mergeay, M., van der Lelie, D., Effect of the siderophore alcaligin E on the bioavailability of Cd to Alcaligenes eutrophus CH34. J. Ind. Microbiol. Biotechnol. 20 (1998), 61–68.
61. Giller, K.E., Witter, E., McGrath, S.P., Toxicity of heavy metals to microorganisms and microbial process in agricultural soils: a review. Soil Biol. Biochem. 30 (1998), 1389–1414.
62. Glick, B.R., Plant Growth-Promoting Bacteria: Mechanisms and Applications. 2012, Hindawi Publishing Corporation, Scientifica.
63. Gorhe, V., Paszkowski, U., Contribution of arbuscular mycorrhizal symbiosis to heavy metal phytoremediation. Planta 223 (2006), 1115–1122.
64. Gray, E.J., Smith, D.L., Intracellular and extracellular PGPR: commonalities and distinctions in the plant–bacterium signaling processes. Soil Biol. Biochem. 37 (2005), 395–412.
65. Gupta, A., Meyer, J.M., Goel, R., Development of heavy metal resistant mutants of phosphate solubilizing Pseudomonas sp. NBRI4014 and their characterization. Curr. Microbiol. 45 (2002), 323–332.
66. Gupta, A., Rai, V., Bagdwal, N., Goel, R., In situ characterization of mercury resistant growth promoting fluorescent pseudomonads. Microbiol. Res. 160 (2005), 385–388.
67. Haferburg, G., Kothe, E., Microbes and metals: interactions in the environment. J. Basic Microbiol. 47 (2007), 453–467.
68. Hashim, M.A., Mukhopadhyay, S., Sahu, J.N., Sengupta, B., Remediation technologies for heavy metal contaminated groundwater. J. Environ. Manag. 92 (2011), 2355–2388.
69. Hemambika, B., Rani, M.J., Kannan, V.R., Biosorption of heavy metals by immobilized and dead fungal cells: a comparative assessment. J. Ecol. Nat. Environ. 3 (2011), 168–175.
70. Hewitt, E.J., Robb, D.A., Pierpoint, E.S., (eds.) Tals and Micronutrients: Uptake and Utilization by Plants, 1983, Academic Press, London, 277–300.
71. Hutchinson, T.C., Symington, M.S., Persistence of metal stress in a forested ecosystem near Sudbury, 66 years after closure of the O'Donnell roast bed. J. Geochem. Explor. 58 (1997), 323–330.
72. Hynninen, A., Zinc, cadmium and lead resistance mechanisms in bacteria and their contribution to biosensing. Academic Dissertation in Microbiology, 2010, University of Helsinki, Helsinki.
73. Ilieva, A., Vasileva, V., Effect of presowing treatment of seeds with insecticides on parameters related to nodulation and nitrate reduction in soybean [Glycine max (L.) Merr.]. J. Cent. Eur. Agric. 15 (2014), 23–32.
74. 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. 56 (2008), 327–333.
75. 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. 4 (2012), 923–929.
76. Jha, P.N., Kumar, A., Endophytic colonization of Typha australis by a plant growth-promoting bacterium Klebsiella oxytoca strain GR-3. J. Appl. Microbiol. 103 (2007), 1311–1320.
77. 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 72 (2008), 157–164.
78. Jing, Y., He, Z., Yang, X., Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils. J. Zhejiang Univ. Sci. B 8 (2007), 192–207.
79. Kabata-Pendias, A., Pendias, H., Trace Elements in Soils and Plants. 2001, CRC Press, Boca Raton, FL.
80. Kehres, D.G., Maguire, M.E., Emerging themes in manganese transport, biochemistry and pathogenesis in bacteria. FEMS Microbiol. Rev. 27 (2003), 263–290.
81. 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. 18 (2005), 355–364.
82. Kosev, V., Vasileva, V., Some studies on the selection of forage pea (Pisum sativum L.) to increase the symbiotic nitrogen fixing potential. Int. J. Pharm. Life Sci. 5 (2014), 3570–3579.
83. Kotrba, P., Najmanova, J., Macek, T., Ruml, T., Mackova, M., Genetically modified plants in phytoremediation of heavy metal and metalloid soil and sediment pollution. Biotechnol. Adv. 27 (2009), 799–810.
84. 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 72 (2008), 678–683.
85. Lasat, H.A., Phytoextraction of toxic metals: a review of biological mechanisms. J. Environ. Qual. 31 (2002), 109–120.
86. Lena, Q.M., Rao, G.N., Heavy metals in the environment. J. Environ. Qual., 26, 1997, 264.
87. Lovley, D.R., Bioremediation of organic and metal contaminants with dissimilatory metal reduction. J. Ind. Microbiol. 14 (1995), 85–93.
88. Lovley, D.R., Coates, J.D., Saffarini, D.A., Lonergan, D.J., Dissimilatory iron reduction. Winkelman, G., Carrano, C.J., (eds.) Iron and Related Transition Metals in Microbial Metabolism, 1997, Harwood Academic Publishers, New York.
89. 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 75 (2009), 719–725.
90. Ma, Y., Rajkumar, M., Freitas, H., Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteria. J. Hazard. Mater. 166 (2009), 1154–1161.
91. 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. Manag. 90 (2009), 831–837.
92. 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. 195 (2011), 230–237.
93. 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. Phytorem. 13 (2011), 126–139.
94. 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 69 (2007), 220–228.
95. Munoz, R., Alvarez, M.T., Munoz, A., Terrazas, E., Guieysse, B., Mattiasson, B., Sequential removal of heavy metal ions and organic pollutants using an algal–bacterial consortium. Chemosphere 63 (2006), 903–911.
96. Nies, D.H., Microbial heavy-metal resistance. Appl. Microbiol. Biotechnol. 51 (1999), 730–750.
97. Nies, D.H., Silver, S., Ion efflux systems involved in bacterial metal resistances. J. Ind. Microbiol. 14 (1995), 186–199.
98. Pajuelo, E., Ignacio, D., Llorente, R., Dary, M., Palomares, A.J., Toxic effects of arsenic on Sinorhizobium–Medicago sativa symbiotic interaction. Environ. Pollut. 154 (2008), 203–211.
99. 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. 18 (2008), 773–777.
100. Rajkumar, M., Ae, N., Prasad, M.N.V., Freitas, H., Potential of siderophore-producing bacteria for improving heavy metal phytoextraction. Trends Biotechnol. 28 (2010), 142–149.
101. Rajkumar, M., Freitas, H., Effects of inoculation of plant growth promoting bacteria on Ni uptake by Indian mustard. Bioresour. Technol. 99 (2008), 3491–3498.
102. 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. 26 (2005), 693–699.
103. Rajkumar, M., Ma, Y., Freitas, H., Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in Portugal. J. Basic Microbiol. 48 (2008), 500–508.
104. 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 62 (2006), 741–748.
105. 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. Biodeterior. Biodegrad. 63 (2009), 62–66.
106. Ranjard, L., Nazaret, S., Cournoyer, B., Freshwater bacteria can methylate selenium through the thiopurine methyltransferase pathway. Appl. Environ. Microbiol. 69 (2003), 3784–3790.
107. Roane, T.M., Pepper, I.L., Microorganisms and metal pollution. Maier, R.M., Pepper, I.L., Gerba, C.B., (eds.) Environmental Microbiology, 2000, Academic, London, 55.
108. Robinson, B., Russell, C., Hedley, M.J., Clothier, B., Cadmium adsorption by rhizobacteria: implications for New Zealand pastureland. Agric. Ecosyst. Environ. 87 (2001), 315–321.
109. 2 fixation of rice (Oryza sativa L.). Plant Soil 302 (2008), 249–261.
110. Rubio, L.M., Ludden, P.W., Biosynthesis of the iron–molybdenum cofactor of nitrogenase. Annu. Rev. Microbiol. 62 (2008), 93–111.
111. Saravanakumar, D., Vijayakumar, C., Kumar, N., Samiyappan, R., PGPR-induced defense responses in the tea plant against blister blight disease. Crop Prot. 26 (2007), 556–565.
112. 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. 46 (2008), 171–175.
113. Seth, C.S., Chaturvedi, P.K., Misra, V., The role of phytochelatins and antioxidants in tolerance to Cd accumulation in Brassica juncea L. Ecotoxicol. Environ. Saf. 71 (2008), 76–85.
114. 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. 79 (2008), 147–155.
115. Shaw, B.P., Sahu, S.K., Mishra, R.K., Heavy metal induced oxidative damage in terrestrial plants. Prasad, M.N.V., (eds.) Heavy Metal Stress in Plants: From Biomolecules to Ecosystems, 2004, Narosa Publishing House, New Delhi, India, 84–126.
116. Sheng, X.F., Xia, J.J., Improvement of rape (Brassica napus) plant growth and cadmium uptake by cadmium-resistant bacteria. Chemosphere 64 (2006), 1036–1042.
117. 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. 54 (2008), 417–422.
118. Shier, W.T., Metals as toxins in plants. J. Toxicol. Toxin Rev. 13 (1994), 205–216.
119. Singh, V., Chauhan, P.K., Kanta, R., Dhewa, T., Kumar, V., Isolation and characterization of Pseudomonas resistant to heavy metals contaminants. Int. J. Pharm. Sci. Rev. Res. 3 (2010), 164–167.
120. 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. 56 (2008), 55–60.
121. Tank, N., Saraf, M., Enhancement of plant growth and decontamination of nickel-spiked soil using PGPR. J. Basic Microbiol. 49 (2009), 195–204.
122. Tank, N., Saraf, M., Salinity-resistant plant growth promoting rhizobacteria ameliorates sodium chloride stress on tomato plants. J. Plant Interact. 5 (2010), 51–58.
123. Tian, F., Ding, Y., Zhu, H., Yao, L., Du, B., Genetic diversity of siderophore-producing bacteria of tobacco rhizosphere. Braz. J. Microbiol. 40 (2009), 276–284.
124. 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. 5 (2005), 233–237.
125. Tsezos, M., Metal–microbes interactions: beyond environmental protection. Adv. Mater. Res. 71–72 (2009), 527–532.
126. Vangronsveld, J., Clijsters, H., Toxic effects of metals. Farago, M.G., (eds.) Plants and the Chemical Elements, 1994, VHC-Verbgsgesellschaft, Weinheim, Germany, 149.
127. 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 52 (2006), 1523–1533.
128. Wang, J., Chen, C., Biosorption of heavy metals by Saccharomyces cerevisiae: a review. Biotechnol. Adv. 24 (2006), 427–451.
129. Wang, Y.T., Shen, H., Bacterial reduction of hexavalent chromium. J. Ind. Microbiol. 14 (1995), 159–163.
130. Wani, P.A., Khan, M.S., Bacillus species enhance growth parameters of chickpea (Cicer arietinum L.) in chromium stressed soils. Food Chem. Toxicol. 48 (2010), 3262–3267.
131. 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 70 (2007), 36–45.
132. 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. 55 (2007), 315–323.
133. Wani, P.A., Khan, M.S., Zaidi, A., Chromium-reducing and plant growth-promoting Mesorhizobium improves chickpea growth in chromium-amended soil. Biotechnol. Lett. 30 (2008), 159–163.
134. Whiting, S.N., de Souza, M.P., Terry, N., Rhizosphere bacteria mobilize Zn for hyperaccumulation by Thlaspi caerulescens. Environ. Sci. Technol. 35 (2001), 3144–3150.
135. Wu, C.H., Wood, T.K., Mulchandani, A., Chen, W., Engineering plant–microbe symbiosis for rhizoremediation of heavy metals. Appl. Environ. Microbiol. 72 (2006), 1129–1134.
136. 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 64 (2006), 991–997.