alexa Genomic and Functional Characterization of a Novel Burk
ISSN: 2169-0111

Advancements in Genetic Engineering
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Research Article

Genomic and Functional Characterization of a Novel Burkholderia sp. Strain AU4i from Pea Rhizosphere Conferring Plant Growth Promoting Activities

Usha Devi1, Indu Khatri2, Reena V. Saini1, Lalit Kumar1, Devender Singh1, Aditi Gupta1,Navinder Kumar2, Andrés Gárriz3, Srikrishna Subramanian2*, Deepak Sharma2* and Adesh K. Saini1*
1Department of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Bajhol, Solan, HP, India
2CSIR-Institute of Microbial Technology, Sector 39A, Chandigarh, India
3UB3, Instituto de Investigaciones Biotecnológicas-Instituto Tecnológico de Chascomús/Universidad Nacional de General San Martín-Consejo Nacional de Investigaciones Científicas y Técnicas (IIB-INTECh/UNSAM-CONICET), Chascomús, Argentina
Corresponding Authors: Adesh K Saini
Department of Applied Sciences and Biotechnology
Shoolini University of Biotechnology and Management Sciences
Bajhol, Solan, HP, India
Phone: +91-89882035238
Fax: 01792-308000
E-mail: [email protected]
  Deepak Sharma
CSIR-Institute of Microbial Technology
Sector 39A, Chandigarh, India
Phone: +91-1722695215
Fax: 0172-6665478
E-mail: [email protected]
  Srikrishna Subramanian
CSIR-Institute of Microbial Technology
Sector 39A, Chandigarh, India
Phone: +91-01726665483
Fax: 0172-6665478
E-mail: [email protected]
Received: July 25, 2015 Accepted: September 11, 2015; Published: September 15, 2015
Citation: Devi U, Indu K, Reena SV, Navinder K, Andrés G, Srikrishna S, Deepak S,Adesh KS (2015) Genomic and Functional Characterization of a Novel Burkholderia sp. Strain AU4i from Pea Rhizosphere Conferring Plant Growth Promoting Activities. Adv Genet Eng 4:129. doi:2169-0111.1000129
Copyright: © 2015 Devi U, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Members of Burkholderia genus are gaining importance for their application in crop improvement by acting as plant growth-promoting rhizobacteria (PGPR), however, our knowledge about mechanisms of their plant growth promotion is limited. Herein, we aimed to isolate Burkholderia sp. from pea rhizosphere that confers plant growth promoting traits both in vitro and in vivo using pea seedlings as model. We have isolated a novel Burkholderia strain AU4i (B-AU4i) from pea rhizosphere that strongly promotes root and shoot growth in plantae. B-AU4i confers phosphate solubilization, indole-3-acetic acid production, N2 fixation, ammonia production, siderophore production, HCN production, and inhibits growth of pathogenic fungi both in vitro and in vivo experiments where we employed pea-seedlings as model system. Sequencing of B-AU4i genome using the Illumina-HiSeq 1000 technology reveals that it contains genes for the above-mentioned biofertilizer and biocontrol activities. The findings demonstrate the potential use of B-AU4i as plant growth promoter, which could be due to the presence of relevant genes in its genome. The current study improves our knowledge regarding the genes present in Burkholderia spp. that are involved in its plant growth promotion activities. B-AU4i strain can be used for improving agriculture productivity owing to its strong biofertilizer and biocontrol activity.

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