1. Altschul, S.F., Gish, W., Miller, W. and Myers, E. W. 1990. Basic Local Alignment Search Tool. J. Mol. Biol., 215: 403–410.
2. Arora, D. K. 2010. Application of Microorganisms in Agriculture and Allied Sectors (AMAAS) at a Glance. National Bureau of Agriculturally Important Microorganisms Kushmaur, PB No. 6, Kaithauli, Mau Nath Bhajan, 275101 (UP), India. Website: www.nbaim.org.in.
3. Ausubel, F. M., Brent, R., Kingston, R. E., Moore, D. D., Seidman, J. G., Smith, J. A., Struhl, K. A., Albright, L. M., Coen, D. M., Varki, A. and Chanda, V. B. 2001. Curr. Protocol. Mol. Biol., 1(2 and 4).
4. Berrada, H. and Fikri-Benbrahim, K. 2014. Taxonomy of the Rhizobia: Current Perspectives. British Microbiol. Res. J., 4(6): 616-639.
5. Carelli, M., Gnocchi, S., Fancelli, S., Mengoni, A., Paffetti, D., Scotti, C. and Bazzicalupo, M. 2000. Genetic Diversity and Dynamics of Sinorhizobium meliloti Populations Nodulating Different Alfalfa Cultivars in Italian Soils. Appl. Environ. Microbiol., 66(11): 4785-4789.
6. Chaudhary, P., Dudeja, S. S. and Khurana, A.L. 2001. Chickpea Nodulation Variants as a Tool to Detect the Population Diversity of Chickpea Rhizobia in Soil. Physiol. Mol. Biol. Plant., 7: 47-54.
7. Chaudhary, P., Khurana, A. L. and Dudeja, S. S. 2002. Heterogeneity of Rhizobia Isolated from Chickpea Nodulation Variants. Indian J. Microbiol., 42: 195-199.
8. Chen, L. S., Figueredo, A., Pedrosa, F. O. and Hungria, M. 2000. Genetic Characterization of Soybean Rhizobia in Paraguay. Appl. Environ. Microbiol., 66(11): 5099-5103.
9. de Bruijn, F. J. D. 1992. Use of Repetitive (Repetitive Extragenic Palindromic and Enterobacterial Repetitive Intergeneric Consensus) Sequences and the Polymerase Chain Reaction to Fingerprint the Genomes of Rhizobium Meliloti Isolates and other Soil Bacteria. Appl. Environ. Microbiol., 58(7): 2180-2187.
10. Desper, R. and Gascuel, O. 2004. Fast Minimum Evolution. Mol. Biol. Evol., 21: 587-598.
11. Dogra, T., Priyadarshini, A., Kanika, Kumar, A. and Singh, N. K. 2013. Identification of Genes Involved in Salt Tolerance and Symbiotic Nitrogen Fixation in Chickpea Rhizobium Mesorhizobium ciceri Ca181. Symbiosis, 61(3): 135-143.
12. Dudeja, S. S., Giri, R., Saini, R., Suneja-Madan, P. and Kothe, E. 2012. Interaction of Endophytic Microbes with Legumes. J. Basic Microbiol., 52: 248–260.
13. Dudeja, S. S., Nandwani, R. and Narula, N. 2009. Molecular Diversity of Mesorhizobia: Particularly Rhizobia Infecting Chickpea. Agrobios Int. Publishers, Jodhpur, PP. 336-346.
14. Dudeja, S. S. and Nidhi. 2014. Molecular Diversity of Rhizobial and Non Rhizobial Bacteria from Nodules of Cool Season Legumes. In: “Biotechnology: Prospects and Applications”. Springer India, PP. 113-126.
15. Dudeja, S. S., Singh, N. P., Sharma, P., Gupta, S. C., Chandra, R., Dhar, B., Bansal, R., Brahmaprakash, G. P., Potdukhe, S. R., Gundappagol, R. C., Gaikawad B. G. and Nagaraj, K. S. 2011. Biofertilizer Technology and Productivity of Chickpea in India. In: “Bioaugmentation, Biostimulation and Biocontrol”; (Eds.): Singh A., Parmar, N. and Kuhad, R. C.. Soil Biology 28, SpringerVerlag Berlin, Heidelberg, PP. 43-63.
16. Dudeja, S. S. and Singh, P. C. 2008. High and Low Nodulation in Relation to Molecular Diversity of Chickpea Mesorhizobia in Indian Soils. Arch. Agron. Soil Sci., 54(1): 109-120.
17. Giri, R. and Dudeja, S. S. 2013. Host Specificity of Plant Endophytic Bacterial Interactions: Root and Nodule Colonization under Sterilized Sand Conditions in Disposable Coffee Cups. Central Europ. J. Exptl. Biol., 2(4): 22-26.
18. ICSP Subcommittee on the Taxonomy of Rhizobium and Agrobacterium: Diversity, Phylogeny and Systematics. 2013. Rhizobial Taxonomy Up-to-date Submitted by Vinuesa 2013-01-20. 20:23.
19. Jarabo-Lorenzo, A., Perez-Galdona, R., Donate-Correa, J., Rivas, R., Velazquez, E., Hernandez, M., Temprano, F., Martinez-Molina, E., Ruiz-Argueso, T. and Leon-Barrios, M. 2003. Genetic Diversity of Bradyrhizobial Populations from Diverse Geographic Origins that Nodulate Lupinus spp. and Ornithopus spp. Syst. Appl. Microbiol., 26(4): 611-623.
20. Keneni, A., Assefa, F. and Prabu, P. C.2010. Characterization of Acid and Salt Tolerant Rhizobial Strains Isolated from Faba Bean Fields of Wollo, Northern Ethiopia. J. Agr. Sci. Tech., 12: 365-376.
21. Kumar V., Pathak, D. V., Dudeja, S.S., Saini, R., Giri, R., Narula, S. and Anand, R.C. 2013. Legume Nodule Endophytes More Diverse than Endophytes from Roots of Legumes or Non Legumes in Soils of Haryana, India. J. Microbiol. Biotech. Res., 3(3): 83-92.
22. Nandwani, R. and Dudeja, S. S. 2013. Functional Diversity of Native Mesorhizobial Genotypes Available in Indian Soils of Haryana State which Nodulates Chickpea. Acta Agron. Hung., 61(3): 207-217.
23. Nandwani, R. and Dudeja, S. S. 2009. Molecular Diversity of a Native Mesorhizobial Population Nodulating Chickpea (Cicer arietinum L.) in Indian Soils. J. Basic Microbiol., 49: 463-470
24. Paffetti, D., Scotti, C., Gnocchi, S., Fancelli, S. and Bazzicalupo, M.1996. Genetic Diversity of an Italian Rhizobium meliloti Population from Different Medicago sativa Varieties. Appl. Environ. Microbiol., 62(7): 2279-2285.
25. Poustini, K., Mabood, F. and Smith, D. L. 2007. Preincubation of Rhizobium leguminosarum bv. Phaseoli with Jasmonate and Genistein Signal Molecules Increases Bean (Phaseolus vulgaris L.) Nodulation, Nitrogen Fixationand Biomass Production. J. Agr. Sci. Tech., 9: 107-117.
26. Rohlf, F. J. 1998. On Applications of Geometric Morphometrics to Studies of Ontogeny and Phylogeny. Syst. Biol., 47: 147-158.
27. Rupela, O. P. 1994. Screening for Intra Cultivaral Variability for Nodulation of Chickpea and Pigeonpea. In: “Linking Biological Nitrogen Fixation Research in Asia”, (Eds.): (Rupela O. P., Kumar Rao, J. V. D. K., Wani, S. P. and Johansen, C.. Report of a Meeting of the Asia Working Group in Biological Nitrogen Fixation in Legumes ICRISAT, Patancheru, Andhra Pradesh, India, PP. 76-83.
28. Saini, R., Dudeja, S. S., Giri, R. R. and Kumar, V. 2014. Isolation, Characterization and Evaluation of Bacterial Root and Nodule Endophytes from Chickpea Cultivated in Northern India. J. Basic Microbiol., 55(1): 74-81.
29. Saitou, N. and Nei, M. 1987. The Neighbor-Joining Method: A New Method for Reconstructing Phylogenetic Trees. Mol. Biol. Evol., 4: 406–425.
30. Saldana, G., Martinez-Alcantara, V., Vinardell, J. M., Bellogin, R., Ruiz-Sainz, J. E. and Balatti, P. A. 2003. Genetic Diversity of Fast-growing Rhizobia that Nodulate Soybean (Glycine max L. Merr). Arch. Microbiol., 180(1): 45-52.
31. Suneja-Madan, P. and Dahiya, P. 2013. Diversity and Effectivity of Mesorhizobia Nodulating Reverted Non Nodulating Lines of Chickpea in Comparison to the Normal Cultivar. Plant Archiv., 13(2): 929-935.
32. Suneja-Madan, P., Kumar, A. and Dahiya, P. 2014. Characterization of Epiphytic Bacteria Isolated from Chickpea (Cicer arietinum L.) Nodules. African J. Microbiol. Res., 8(12): 1302-1309.
33. Tajima, S., Hirashita, T., Yoshihara, K., Bhromsiri, A. and Nomura, M. 2000. Application of Repetitive Extragenic Palindromic (REP)-PCR and Enterobacterial Repetitive Intergenic Consensus (ERIC)-PCR Analysis to the Identification and Classification of Japan and Thai Local Isolates of Bradyrhizobium japonicum, Sinorhizobium meliloti and Rhizobium leguminosarum. Soil Sci. Plant Nutr., 46(1): 241-247.
34. Vincent, J. M. 1970. A Manual for the Practical Study of Root Nodule. 1. Bacteria. IBM Handbook No. 15, Blackwell Scientific Publications, Oxford.
35. Weir, B. S. 2012. The Current Taxonomy of rhizobia. New Zealand Rhizobia Webstie.
36. Yadav, A., Singh, A. L., Rai, G. K. and Singh, M. 2013. Assessment of Molecular Diversity in Chickpea (Cicer arietinum L.) Rhizobia and Structural Analysis of 16S rDNA Sequences from Mesorhizobium ciceri. Polish J. Microbiol., 62(3): 253–262.
37. Zakhia, F., Jeder, H., Domergue, O., Willems, A., Cleyet Marel, J. C., Gillis, M., Dreyfus, B. and deLajudie, P. 2004. Characterisation of Wild Legume Nodulating Bacteria (LNB) in the Infa-arid Zone of Tunisia. Syst. Appl. Microbiol., 27: 380–395.
38. Zhang, J. J., Liu, T. Y., Chen, W. F., Wang, E. T., Sui, X. H., Zhang, X. X., Li, Y. and Chen, W. X. 2012. Mesorhizobium muleiense sp. nov., Nodulating with Cicer arietinum L. in Xinjiang, China. Int. J. Syst. Evol. Microbiol., 62: 2737-2742.
39. Jukes, T. H. and Cantor, C. R. 1969. Evolution of Protein Molecules. Academic Press, New York, PP. 21–132.
40. Tamura, K., Stecher, G., Peterson, D., Filipski, A., and Kumar, S. 2013. MEGA6: Molecular Evolutionary Genetics Analysis Version 6.0. Mol. Biol. Evol., 30: 2725-2729.