Interaction of Piriformospora indica with Azotobacter chroococcum

Scientific Reports
Soubhagya Kumar BhuyanPramod Kumar Yadava

Abstract

Microbial communities in rhizosphere interact with each other and form a basis of a cumulative impact on plant growth. Rhizospheric microorganisms like Piriformospora indica and Azotobacter chroococcum are well known for their beneficial interaction with plants. These features make P. indica/A. chroococcum co-inoculation of crops most promising with respect to sustainable agriculture and to understanding the transitions in the evolution of rhizospheric microbiome. Here, we investigated interactions of P. indica with A. chroococcum in culture. Out of five Azotobacter strains tested, WR5 exhibited growth-promoting while strain M4 exerted growth-inhibitory effect on the fungus in axenic culture. Electron microscopy of co-culture indicated an intimate association of the bacterium with the fungus. 2-D gel electrophoresis followed by mass spectrometry of P. indica cellular proteins grown with or without WR5 and M4 showed differential expression of many metabolic proteins like enolase-I, ureaseD, the GTP binding protein YPT1 and the transmembrane protein RTM1. Fungal growth as influenced by bacterial crude metabolites was also monitored. Taken together, the results conform to a model where WR5 and M4 influence the overall growth and p...Continue Reading

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Citations

Apr 6, 2016·Frontiers in Microbiology·Sarvajeet S GillNarendra Tuteja
Jul 30, 2016·Protoplasma·Prasun BandyopadhyayNarendra Tuteja
Mar 29, 2018·Microbiome·M Amine HassaniStéphane Hacquard
Jan 11, 2020·Frontiers in Microbiology·Alejandro Del Barrio-DuqueStéphane Compant
Feb 6, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jorge A Leyva-RojasRüdiger Hampp

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Methods Mentioned

BETA
Scanning Electron Microscopy
electrophoresis

Software Mentioned

Mascott
MASCOT engine
Progenesis Same Spots

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