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Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance

Raiger Iustman, Laura Judith et al · Springer Tokyo · 2015

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Author / responsible party
Raiger Iustman, Laura Judith et al
Publisher
Springer Tokyo
Year
2015
ISSN
1431-0651
ISSN
1431-0651
Language
English

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The genome of the Antarctic bacterium Pseudomonas extremaustralis was analyzed searching for genes involved in environmental adaptability focusing on anaerobic metabolism, osmoregulation, cold adaptation, exopolysaccharide production and degradation of complex compounds. Experimental evidences demonstrated the functionality of several of these pathways, including arginine and pyruvate fermentation, alginate production and growth under cold conditions. Phylogenetic analysis along with genomic island prediction allowed the detection of genes with probable foreign origin such as those coding for acetate kinase, osmotic resistance and colanic acid biosynthesis. These findings suggest that in P. extremaustralis the horizontal transfer events and/or gene redundancy could play a key role in the survival under unfavorable conditions. Comparative genome analysis of these traits in other representative Pseudomonas species highlighted several similarities and differences with this extremophile bacterium. Fil: Raiger Iustman, Laura Judith. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina Fil: Tribelli, Paula Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina

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APA 7

Raiger Iustman, L. J. E. A. (2015). Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance. http://hdl.handle.net/11336/182028

MLA

Raiger Iustman, Laura Judith et al. "Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance." 2015. http://hdl.handle.net/11336/182028.

Chicago

Raiger Iustman, Laura Judith et al. 2015. "Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance.". http://hdl.handle.net/11336/182028.

Harvard

Raiger Iustman, L. J. E. A. 2015, Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance, Springer Tokyo, available at: http://hdl.handle.net/11336/182028 [Accessed 7 Aug. 2026].

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Title
Genome sequence analysis of Pseudomonas extremaustralis provides new insights into environmental adaptability and extreme conditions resistance
Author / contributors
Raiger Iustman, Laura Judith et al
Publisher
Springer Tokyo
Publication year
2015
ISSN
1431-0651
ISSN
1431-0651
Language
English

Subjects

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ENVIRONMENTAL ADAPTABILITY; EXOPOLYSACCHARIDES; GENOME ANALYSIS; HORIZONTAL TRANSFER; MICROAEROBIC METABOLISM; PSEUDOMONAS; https://purl.org/becyt/ford/1.6; https://purl.org/becyt/ford/1
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