Impact of lipopolysaccharides from rhizospheric bacteria on the growth of potato microplants under in vitro conditions

Authors

  • Maria Fedorovna Ivanova Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov
  • Ekaterina Evgenievna Kostina Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov
  • Yulia Anatolievna Filip’echeva Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Federal Scientific Centre of the Russian Academy of Sciences
  • Yulia Petrovna Fedonenko Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Federal Scientific Centre of the Russian Academy of Sciences
  • Aleksandra Aleksandrovna Krivoruchko Saratov State University
  • Anastasia Sergeevna Astankova Saratov State University
  • Oksana Viktorovna Tkachenko Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov
  • Gennady Leonidovich Burygin Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov

DOI:

https://doi.org/10.28983/asj.y2024i3pp23-28

Keywords:

potato, micropropagation in vitro, rhizobacteria, lipopolysaccharide

Abstract

The surface of gram-negative bacteria is formed mainly by lipopolysaccharide molecules, which are involved in the interaction of microorganisms with various environmental objects, including plants. In this work, we studied the effect of lipopolysaccharides from six bacterial strains of different taxonomic groups on the growth of potato microplants cultivar Kondor under in vitro conditions. It was shown that the greatest positive effect on such parameters as shoot length, total root length, dry weight of shoots and roots was exerted by lipopolysaccharides of the strains Ochrobactrum quorumnocens T1Kr02 and Azospirillum thiophilum BV-S, the O-polysaccharides of which consist entirely or mostly degree from 6-deoxyhexose residues (fucose and rhamnose). The results can be used to more quickly select effective lipopolysaccharides and the bacteria that produce them as growth promoters for microplant cultivation under in vitro conditions.

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Published

2024-03-18

Issue

No. 3 (2024)

Section

Agronomy

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Copyright (c) 2024 Agrarian Scientific Journal

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