Streptomyces sp. strain TOR3209: a rhizosphere bacterium promoting growth of tomato by affecting the rhizosphere microbial community.

Scientific Reports
Dong HuZhanwu Wang

Abstract

Aiming at revealing the possible mechanism of its growth promoting effect on tomato, the correlations among Streptomyces sp. TOR3209 inoculation, rhizobacteriome, and tomato growth/production traits were investigated in this study. By analyses of Illumina sequencing and plate coating, differences in rhizosphere microbial communities were found in different growth stages and distinct inoculation treatments. The plant biomass/fruit yields and relative abundances of families Flavobacteriaceae, Sphingobacteriaceae, Polyangiaceae and Enterobacteriaceae in treatments T (tomato inoculated with TOR3209) and TF (tomato inoculated with TOR3209 + organic fertilizer) were higher than that in the controls (CK and CK+ organic fertilizer), respectively. The analysis of Metastats and LEfSe revealed that the genera Flavobacterium and Sorangium in seedling stage, Klebsiella in flowering stage, Collimonas in early fruit setting stage, and genera Micrococcaceae, Pontibacte and Adhaeribacter in late fruit setting stage were the most representative rhizobacteria that positively responded to TOR3209 inoculation. By cultivation method, five bacterial strains positively correlated to TOR3209 inoculation were isolated from rhizosphere and root endospher...Continue Reading

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Citations

Apr 9, 2021·Frontiers in Microbiology·Ahmad Nuruddin KhoiriSawannee Sutheeworapong
Oct 31, 2021·Applied Microbiology and Biotechnology·Carlos Caicedo-MontoyaSergio Sanchez

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Methods Mentioned

BETA
electrophoresis
PCR
PCA

Software Mentioned

SPSS Statistics
MAGA6
LEfSe
Mothur
pheatmap
gmodels
R package pvclust
Metastats
R

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