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Genetic and Functional Diversities of Bacterial Communities in the Rhizosphere of Arachis Hypogaea

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Title Genetic and Functional Diversities of Bacterial Communities
in the Rhizosphere of Arachis Hypogaea
 
Creator Haldar, Shyamalina
Roychoudhury, Susanta
Sengupta, Sanghamitra
 
Subject Molecular & Human Genetics
 
Description Bioinoculants are environmentally friendly,
energy efficient and economically viable resources in
sustainable agriculture. Knowledge of the structure and
activities of microbial population in the rhizosphere of a
plant is essential to formulate an effective bioinoculant.
In this study, the bacterial community present in the
rhizosphere of an important oilseed legume, Arachis
hypogaea (L.) was described with respect to adjoining
bulk soil as a baseline control using a 16S rDNA based
metagenomic approach. Significantly higher abundance
of Gamma-proteobacteria, a prevalence of Bacillus and
the Cytophaga-Flavobacteria group of Bacteroidetes
and absence of the Rhizobiaceae family of Alphaproteobacteria
were the major features observed in the
matured Arachis-rhizosphere. The functional characterization
of the rhizosphere-competent bacteria was
performed using culture-dependent determination of
phenotypes.Most bacterial isolates from the groundnutrhizosphere
exhibited multiple biochemical activities
associated with plant growth and disease control.
Validation of the beneficial traits in candidate bioinoculants
in pot-cultures and field trials is necessary before their targeted application in the groundnut production
system.
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/93/1/ANTONIE_VAN_LEEUWENHOEK_INTERNATIONAL_JOURNAL_OF_GENERAL_AND_MOLECULAR_MICROBIOLOGY%2C_100_(1_)_161%2D170%2C2011_[43].pdf
Haldar, Shyamalina and Roychoudhury, Susanta and Sengupta, Sanghamitra (2011) Genetic and Functional Diversities of Bacterial Communities in the Rhizosphere of Arachis Hypogaea. Antonie van Leeuwenhoek, 100. pp. 161-170.
 
Relation http://dx.doi.org/10.1007/s10482-011-9570-5
http://www.eprints.iicb.res.in/93/