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Folate-producing rhizobacteria of Hippophae rhamnoides L. from Indian trans-Himalaya low atmospheric zone

POOJA BHADRECHA1, MADHU BALA2,3, VIKAS KAUSHIK4, NASEEM A. GAUR5, SIMRANJEET SINGH4, JOGINDER SINGH4,*, MANOJ KUMAR6,*

1 Department of Biotechnology, Mangalmay Group of Institutions, Greater Noida, 201306, India
2 Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organisation, New Delhi, 110054, India
3 Defence Institute of Bio-Energy Research (DRDO), Haldwani, 263139, India
4 Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, 144411, India
5 International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, 110067, India
6 Department of Life Sciences, Central University of Jharkhand, Brambe, 835205, India

* Address correspondence to: Joginder Singh, email; Manoj Kumar, email

BIOCELL 2021, 45(2), 387-394. https://doi.org/10.32604/biocell.2021.013824

Abstract

Hippophae rhamnoides L. is a plant of immense ethnopharmacological importance and is a known source for various valuable biochemicals and nutraceuticals. The production of folate, a vitamin involved in several vital functions, in this plant is rather poorly understood. Herein, we investigate the hypothesis that rhizobial bacteria serve the plant in this essential vitamin’s biosynthesis. Bacterial strains of Bacillus, Azorhizobium, Frankia, Paenibacillus, Brevibacillus and Pseudomonas, were isolated from the rhizosphere of the plant. HPLC and LCMS were used to trace the production of intra and extra-cellular folate by representative rhizospheric bacterial strains in vitro. From the seventeen functionally characterized bacterial strains of the plant’s rhizosphere, thirteen produced significant amounts of folate. Azorhizobium BR5401 produced the maximum amount of folic acid (424 µg/mL), and Bacillus GY779 was the only strain capable of producing both intracellular and extra-cellular folic acid. The Open Reading Frame coding for dihydroneopterin aldolase, an enzyme involved in folate biosynthesis, was found in one of the representative isolates. Our experimental findings help us to suggest that the folate synthesized by rhizobial bacteria is transported to the plant, highlighting a significant benefit of coexistence.

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APA Style
BHADRECHA, P., BALA, M., KAUSHIK, V., GAUR, N.A., SINGH, S. et al. (2021). Folate-producing rhizobacteria of hippophae rhamnoides L. from indian trans-himalaya low atmospheric zone. BIOCELL, 45(2), 387-394. https://doi.org/10.32604/biocell.2021.013824
Vancouver Style
BHADRECHA P, BALA M, KAUSHIK V, GAUR NA, SINGH S, SINGH J, et al. Folate-producing rhizobacteria of hippophae rhamnoides L. from indian trans-himalaya low atmospheric zone. BIOCELL . 2021;45(2):387-394 https://doi.org/10.32604/biocell.2021.013824
IEEE Style
P. BHADRECHA et al., "Folate-producing rhizobacteria of Hippophae rhamnoides L. from Indian trans-Himalaya low atmospheric zone," BIOCELL , vol. 45, no. 2, pp. 387-394. 2021. https://doi.org/10.32604/biocell.2021.013824



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