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dc.contributor.author
Martinez, A.
dc.contributor.author
Cavello, Ivana Alejandra
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Garmendia, G.
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Rufo, C.
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Cavalitto, Sebastian Fernando
dc.contributor.author
Vero, S.
dc.date.available
2018-06-19T20:05:38Z
dc.date.issued
2016-09
dc.identifier.citation
Martinez, A.; Cavello, Ivana Alejandra; Garmendia, G.; Rufo, C.; Cavalitto, Sebastian Fernando; et al.; Yeasts from sub-Antarctic region: biodiversity, enzymatic activities and their potential as oleaginous microorganisms; Springer Tokyo; Extremophiles; 20; 5; 9-2016; 759-769
dc.identifier.issn
1431-0651
dc.identifier.uri
http://hdl.handle.net/11336/49440
dc.description.abstract
Various microbial groups are well known to produce a range of extracellular enzymes and other secondary metabolites. However, the occurrence and importance of investment in such activities have received relatively limited attention in studies of Antarctic soil microbiota. Sixty-one yeasts strains were isolated from King George Island, Antarctica which were characterized physiologically and identified at the molecular level using the D1/D2 region of rDNA. Fifty-eight yeasts (belonging to the genera Cryptococcus, Leucosporidiella, Rhodotorula, Guehomyces, Candida, Metschnikowia and Debaryomyces) were screened for extracellular amylolytic, proteolytic, esterasic, pectinolytic, inulolytic xylanolytic and cellulolytic activities at low and moderate temperatures. Esterase activity was the most common enzymatic activity expressed by the yeast isolates regardless the assay temperature and inulinase was the second most common enzymatic activity. No cellulolytic activity was detected. One yeast identified as Guehomyces pullulans (8E) showed significant activity across six of seven enzymes types tested. Twenty-eight yeast isolates were classified as oleaginous, being the isolate 8E the strain that accumulated the highest levels of saponifiable lipids (42 %).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer Tokyo
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Bioenergetics
dc.subject
Enzymes
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Psychrophiles
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Biotecnología Industrial
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Biotecnología Industrial
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Yeasts from sub-Antarctic region: biodiversity, enzymatic activities and their potential as oleaginous microorganisms
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-19T17:03:27Z
dc.journal.volume
20
dc.journal.number
5
dc.journal.pagination
759-769
dc.journal.pais
Japón
dc.journal.ciudad
Tokio
dc.description.fil
Fil: Martinez, A.. Universidad de la República. Facultad de Química; Uruguay
dc.description.fil
Fil: Cavello, Ivana Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Fermentaciones Industriales. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Fermentaciones Industriales; Argentina
dc.description.fil
Fil: Garmendia, G.. Universidad de la República. Facultad de Química; Uruguay
dc.description.fil
Fil: Rufo, C.. Universidad de la República. Facultad de Química; Uruguay
dc.description.fil
Fil: Cavalitto, Sebastian Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Fermentaciones Industriales. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Fermentaciones Industriales; Argentina
dc.description.fil
Fil: Vero, S.. Universidad de la República. Facultad de Química; Uruguay
dc.journal.title
Extremophiles
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00792-016-0865-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00792-016-0865-3
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