Abstract:
Pseudomonas sp. 14-3, a strain that accumulates large quantities of polyhydroxybutyrate (PHB) when grown on octanoate, was isolated from Antarctic environments. This isolate was characterized on the basis of phenotypic features and partial sequencing of its 16S ribosomal RNA gene. Pseudomonas sp. 14-3 showed increased tolerance to both thermal and oxidative stress compared with three other Pseudomonas species. Stress tolerance of Pseudomonas sp. 14-3 was analyzed in polyhydroxyalkanoate accumulating and non-accumulating conditions, and increased levels of stress resistance were observed when PHB was produced. Pseudomonas sp. 14-3 was isolated from Antarctic regions, a habitat normally exposed to extreme conditions. An association between high PHB accumulation and high stress resistance in bacteria adapted to extreme environments is suggested.
Registro:
Documento: |
Artículo
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Título: | A polyhydroxybutyrate-producing Pseudomonas sp. isolated from antarctic environments with high stress resistance |
Autor: | Ayub, N.D.; Pettinari, M.J.; Ruiz, J.A.; López, N.I. |
Filiación: | Departamento de Quimica Biologica, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428-Buenos Aires, Argentina
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Palabras clave: | bacterial RNA; octanoic acid; poly(3 hydroxybutyric acid); RNA 16S; adaptation; Antarctica; article; bacterial growth; bacterial strain; bacterial survival; bacterium identification; bacterium isolate; bacterium isolation; bioaccumulation; biosynthesis; controlled study; culture medium; habitat structure; nonhuman; nucleotide sequence; oxidative stress; phenotype; priority journal; Pseudomonas; RNA sequence; sequence analysis; sequence homology; stress; temperature dependence; thermostability; Bacteria (microorganisms); Negibacteria; Pseudomonas; Pseudomonas; Pseudomonas sp.; Pseudomonas sp. 14-3; Staphylococcus phage 3A |
Año: | 2004
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Volumen: | 49
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Número: | 3
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Página de inicio: | 170
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Página de fin: | 174
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DOI: |
http://dx.doi.org/10.1007/s00284-004-4254-2 |
Título revista: | Current Microbiology
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Título revista abreviado: | Curr. Microbiol.
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ISSN: | 03438651
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CODEN: | CUMID
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CAS: | octanoic acid, 124-07-2, 1984-06-1, 74-81-7; poly(3 hydroxybutyric acid), 26063-00-3
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03438651_v49_n3_p170_Ayub |
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Citas:
---------- APA ----------
Ayub, N.D., Pettinari, M.J., Ruiz, J.A. & López, N.I.
(2004)
. A polyhydroxybutyrate-producing Pseudomonas sp. isolated from antarctic environments with high stress resistance. Current Microbiology, 49(3), 170-174.
http://dx.doi.org/10.1007/s00284-004-4254-2---------- CHICAGO ----------
Ayub, N.D., Pettinari, M.J., Ruiz, J.A., López, N.I.
"A polyhydroxybutyrate-producing Pseudomonas sp. isolated from antarctic environments with high stress resistance"
. Current Microbiology 49, no. 3
(2004) : 170-174.
http://dx.doi.org/10.1007/s00284-004-4254-2---------- MLA ----------
Ayub, N.D., Pettinari, M.J., Ruiz, J.A., López, N.I.
"A polyhydroxybutyrate-producing Pseudomonas sp. isolated from antarctic environments with high stress resistance"
. Current Microbiology, vol. 49, no. 3, 2004, pp. 170-174.
http://dx.doi.org/10.1007/s00284-004-4254-2---------- VANCOUVER ----------
Ayub, N.D., Pettinari, M.J., Ruiz, J.A., López, N.I. A polyhydroxybutyrate-producing Pseudomonas sp. isolated from antarctic environments with high stress resistance. Curr. Microbiol. 2004;49(3):170-174.
http://dx.doi.org/10.1007/s00284-004-4254-2