Endophytic Bacteria Bacillus amyloliquefaciens(Pj2) Im-parted Growth Promotion and Enhanced Drought Stress Tolerance of Peanut

Authors

  • Suresh Raju Kandi Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India
  • Sravani Kunduru Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India
  • Krishna Kumar Guduru Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., In
  • Preetham Naik KT Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India
  • Naga Rathnamma Y Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India
  • Chandra Sekhar Akila Molecular Genetics and Functional Genomics Laboratory, Department of Biotechnology, Yogi Vemana University, Kadapa, AP., India.
  • Chandra Obul Reddy Puli Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India
  • Siva Bolupalli Plant Molecular Biology Laboratory, Department of Botany, Yogi Vemana University, Kadapa, A.P., India

DOI:

https://doi.org/10.5530/ctbp.2022.2.16

Keywords:

Drought stress, Peanut,, Endophytic bacteria,, Plant Growth promotion bacteria, Bacillus amiloliquefaciens

Abstract

Endophytic bacteria have been described for abiotic stress mitigation and plant improvement. The present study aims to isolate the endophytic bacteria from stress-tolerant P.juliflora plant roots and evaluate properties of PGP in vitro and the effect of endophyte in non-host plants i.e, peanut (Arachis hypogaea L.) under drought stress conditions. Among the fifteen individual endophytic bacterial strains isolated, five strains (Pj2, Pj4, Pj6, Pj10, Pj12) displayed drought tolerance. Further, one of the selected strains Bacillus amiloliquefaciens TG4 (Pj2), produced extracellular enzymes and plant growth-promoting activities. Plant growth-promoting activity of Pj2 in a non-host crop, the peanut, was established by infecting it, and its effect was studied in induced drought stress for ten days. The Pj2 inoculation positively affects peanut growth morphological and biochemical parameters under irrigated and drought stress conditions compared to non-inoculated plants. Our data suggest that peanut plants can be colonized with the endophytic bacteria for improved drought tolerance.

Plant growth- promotion activities of Pj2 endophytic bacteria. (A) Extracellular enzymes (Cellulase, Pectinase, Amylase, Lipase) (B)

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Published

20-05-2022

How to Cite

Kandi, S. R., Kunduru, S. ., Guduru, K. K. ., KT, P. N., Y, N. R. ., Akila, C. S. ., Puli, C. O. R., & Bolupalli, S. . (2022). Endophytic Bacteria Bacillus amyloliquefaciens(Pj2) Im-parted Growth Promotion and Enhanced Drought Stress Tolerance of Peanut. Current Trends in Biotechnology and Pharmacy, 16(2), 165–181. https://doi.org/10.5530/ctbp.2022.2.16

Issue

Vol. 16 No. 2 (2022): Current Trends in Biotechnology and Pharmacy

Section

Research Paper