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Isolation, characterization, and functional groups analysis of Pseudoxanthomonas indica RSA-23 from rhizosphere soil
Article | IMSEAR | ID: sea-210489
ABSTRACT
In the present study, Pseudoxanthomonas species were isolated from rhizosphere soil samples of two selected medicinalplants, such as Alternenthera sessilis Linn. and Leucas aspera (Wild) Linn., which were collected from agriculturalfields at Kundagol, Dharwad, Karnataka. Pseudoxanthomonas sp. is Gram negative, aerobic, motile, non-spore formingrod shaped bacterium and it was designated as Pseudoxanthomonas strain RSA-23; it was found to possess broadspectrum of antimicrobial activity against pathogenic microorganisms. Furthermore, the most potent strain RSA-23was characterized by physiological, biochemical, and 16S ribosomal RNA gene sequencing. The 16S ribosomal RNAgene sequencing and analysis of phylogenetic tree showed 100% sequence similarity with Pseudoxanthomonas indica(KT204489). The methanol extract of Pseudoxanthomonas strain RSA-23 was analyzed through UV-spectroscopy andFourier transform infrared spectroscopy (FTIR). The UV-Vis. spectra revealed the presence of indole and the presenceof different functional groups, such as aldehydes, amines, and alkyl halides, were indicated by FTIR spectra.

Full text: Available Index: IMSEAR (South-East Asia) Year: 2019 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Year: 2019 Type: Article