Phenotypic and genomic survey on organic acid utilization profile of Pseudomonas mendocina strain S5.2, a vineyard soil isolate

Bibliographic Details
Title: Phenotypic and genomic survey on organic acid utilization profile of Pseudomonas mendocina strain S5.2, a vineyard soil isolate
Authors: Teik Min Chong, Jian-Woon Chen, Wah-Seng See-Too, Choo-Yee Yu, Geik-Yong Ang, Yan Lue Lim, Wai-Fong Yin, Catherine Grandclément, Denis Faure, Yves Dessaux, Kok-Gan Chan
Source: AMB Express, Vol 7, Iss 1, Pp 1-8 (2017)
Publisher Information: SpringerOpen, 2017.
Publication Year: 2017
Collection: LCC:Biotechnology
LCC:Microbiology
Subject Terms: Pseudomonas mendocina, Single molecule real-time (SMRT) sequencing, Vineyard soil, Grapevine exudates, Organic acids, Carbon utilization enzymes, Biotechnology, TP248.13-248.65, Microbiology, QR1-502
More Details: Abstract Root exudates are chemical compounds that are released from living plant roots and provide significant energy, carbon, nitrogen and phosphorus sources for microbes inhabiting the rhizosphere. The exudates shape the microflora associated with the plant, as well as influences the plant health and productivity. Therefore, a better understanding of the trophic link that is established between the plant and the associated bacteria is necessary. In this study, a comprehensive survey on the utilization of grapevine and rootstock related organic acids were conducted on a vineyard soil isolate which is Pseudomonas mendocina strain S5.2. Phenotype microarray analysis has demonstrated that this strain can utilize several organic acids including lactic acid, succinic acid, malic acid, citric acid and fumaric acid as sole growth substrates. Complete genome analysis using single molecule real-time technology revealed that the genome consists of a 5,120,146 bp circular chromosome and a 252,328 bp megaplasmid. A series of genetic determinants associated with the carbon utilization signature of the strain were subsequently identified in the chromosome. Of note, the coexistence of genes encoding several iron–sulfur cluster independent isoenzymes in the genome indicated the importance of these enzymes in the events of iron deficiency. Synteny and comparative analysis have also unraveled the unique features of d-lactate dehydrogenase of strain S5.2 in the study. Collective information of this work has provided insights on the metabolic role of this strain in vineyard soil rhizosphere.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2191-0855
Relation: http://link.springer.com/article/10.1186/s13568-017-0437-7; https://doaj.org/toc/2191-0855
DOI: 10.1186/s13568-017-0437-7
Access URL: https://doaj.org/article/45e62374ab264c2aa620a61ce8aa09d1
Accession Number: edsdoj.45e62374ab264c2aa620a61ce8aa09d1
Database: Directory of Open Access Journals
More Details
ISSN:21910855
DOI:10.1186/s13568-017-0437-7
Published in:AMB Express
Language:English