CULTURABLE ENDOPHYTIC BACTERIA FROM HALOTOLERANT Salvadora persica L.: SCREENING, ISOLATION AND PLANT GROWTH PROMOTING TRAITS

H. ABBAS¹*, R.M. PATEL^2
1Department of Plant Molecular Biology and Biotechnology, Navsari Agricultural University, Navsari, 396450, Gujarat, India
²ASPEE Shakilam Agricultural Biotechnology Institute, Athwa Farm, Surat, 395007, Navsari Agricultural University, Navsari, 396450, Gujarat, India
* Corresponding Author : haidarabbas429@gmail.com

Received : 07-03-2018     Accepted : 17-03-2018     Published : 30-03-2018
Volume : 10     Issue : 3       Pages : 1074 - 1077
Int J Microbiol Res 10.3 (2018):1074-1077
DOI : http://dx.doi.org/10.9735/0975-5276.10.3.1074-1077

Keywords : Salvadora persica, Halophyte, Endophyte, Plant growth promotion
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to Navsari Agricultural University, Navsari, 396450, Gujarat
Author Contribution : All author equally contributed

Twenty three endophytic bacterial isolates were isolated from the roots of Salvadora persica L. were characterized on the basis of various criteria such as morphology and biochemical characteristics, out of which six potential endophytes were selected based on their PGPR activity and identified by 16S rRNA gene sequence analysis as Citrobacter sp. A6 (KY587407), Pantoea agglomerans A10 (KY587408), Pseudomonas oryzihabitans A16 (KY963571), Serratia marcescens A20 (KY963572) Enterobacter aerogenes A23 (KY963573) and Bacillus sp. A26 (KY963574). Only Citrobacter sp. A6 (KY587407), Pantoea agglomerans A10 (KY587408) were able to produce IAA. Siderophore production was observed in only Enterobacter aerogenes A23. All isolates solubilized tricalcium phosphate except Bacillus sp. A26 and ACC deaminase production were observed in Citrobacter sp. A6 and Bacillus sp. A26. All isolates could withstand higher salt level (7 % NaCl) whereas Serratia marcescens A20 tolerated up to 5 % of NaCl.

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