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Trichoderma harzianum MTCC 5179 impacts the population and functional dynamics of microbial community in the rhizosphere of black pepper (Piper nigrum L.)

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Title Trichoderma harzianum MTCC 5179 impacts the population and functional dynamics of microbial community in the rhizosphere of black pepper (Piper nigrum L.)
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Creator P Umadevi
M Anandaraj
Srivastav Vivek
S Benjamin
 
Subject Functional abundance
Population abundance
Rhizosphere
 
Description Not Available
Employing Illumine Hiseq whole genome metagenome sequencing approach, we studied the impact of Trichoderma harzianum on altering the microbial community and its functional dynamics in the rhizhosphere soil of black pepper (Piper nigrum L.). The metagenomic datasets from the rhizosphere with (treatment) and without (control) T. harzianum inoculation were annotated using dual approach, i.e., stand alone and MG-RAST. The pro-biotic application of T. harzianum in the rhizhosphere soil of black pepper impacted the population dynamics of rhizosphere bacteria, archae, eukaryote as reflected through the selective recruitment of bacteria [Acidobacteriaceae bacterium (p = 1.24e−12), Candidatus korib acter versatilis (p = 2.66e−10)] and fungi [(Fusarium oxysporum (p = 0.013), Talaromyces stipitatus(p = 0.219) and Pestalotiopsis fici (p = 0.443)] in terms of abundance in population and bacterial chemotaxis (p = 0.012), iron metabolism (p = 2.97e−5) with the reduction in abundance for pathogenicity islands (p = 7.30e−3), phages and prophages (p = 7.30e−3) with regard to func-tional abundance. Interestingly, it was found that the enriched functional metagenomicsignatures on phytoremediation such as benzoate transport and degradation (p = 2.34e−4),and degradation of heterocyclic aromatic compounds (p = 3.59e−13) in the treatment influenced the rhizosphere micro ecosystem favoring growth and health of pepper plant. Thepopulation dynamics and functional richness of rhizosphere ecosystem in black pepper influenced by the treatment with T. harzianum provides the ecological importance of T.harzianum in the cultivation of black pepper.
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Date 2021-09-06T05:52:46Z
2021-09-06T05:52:46Z
2018-09
 
Type Research Paper
 
Identifier Umadevi P, Anandaraj M, Srivastav V, Benjamin S. Trichoderma harzianum MTCC 5179 impacts the population and functional dynamics of microbial community in the rhizosphere of black pepper (Piper nigrum L.). Braz J Microbiol. 2018 Jul-Sep;49(3):463-470. doi: 10.1016/j.bjm.2017.05.011. Epub 2017 Nov 29. PMID: 29229530; PMCID: PMC6066733
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http://krishi.icar.gov.in/jspui/handle/123456789/61367
 
Language English
 
Relation Not Available;
 
Publisher ICAR- Indian institute of spices research,Kozhikode, Kerala India