Unveiling the Potential of Bacillus paramycoides, a Halotolerant Endophytic Bacterium with Heavy Metal Tolerance and Plant Growth Promotion Properties
Bacillus paramycoides; bioremediation; endophytes; heavy metals; plant growth promotion
The use of heavy metal resistant plant growth promoting endophytes is an effective method for improving crop yield and cleaning up contaminated sites. In our study, we have isolated thirteen bacterial endophytes from the shoots of Alternanthera philoxeroides, an aquatic plant from Bellandur lake, Bangalore, India. Among the isolates, Bacillus paramycoides showed significant plant growth promotion properties including an extortionate amount of indole acetic acid (IAA) production (144.69 1.01 g/mL) along with other plant growth promoting attributes like ammonia production, nitrogen fixation, phosphate, potassium solubilization, 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase and siderophore production. The isolate also demonstrated the ability to resist pathogen attacks by producing extracellular enzymes, which could have potential industrial uses. Furthermore, it displayed resistance to multiple heavy metals like chromium (Cr), copper (Cu), lead (Pb), zinc (Zn) and cadmium (Cd) as well as the ability to tolerate high salt concentrations (up to 7% NaCl). These characteristics make it an ideal candidate for promoting plant growth in stressful environments and as an effective bioremediation agent. 2024 World Researchers Associations. All rights reserved.
Research Journal of Biotechnology, Vol-19, No. 3, pp. 120-126.
https://doi.org/10.25303/1903rjbt1200126 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85185577035&doi=10.25303%2f1903rjbt1200126&partnerID=40&md5=61bc31a84ad30b398895fb68a9c76c9d
Indhu P., Department of Life Sciences, CHRIST (Deemed to be University), Bangalore, 560029, India; Suma S., Department of Life Sciences, CHRIST (Deemed to be University), Bangalore, 560029, India; Soma B., Department of Life Sciences, CHRIST (Deemed to be University), Bangalore, 560029, India; Saranya J., Department of Life Sciences, CHRIST (Deemed to be University), Bangalore, 560029, India