Leucosporidium escuderoi f.a., sp. nov., a basidiomycetous yeast associated with an Antarctic marine sponge
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2014Metadata
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Laich, Federico
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Leucosporidium escuderoi f.a., sp. nov., a basidiomycetous yeast associated with an Antarctic marine sponge
Abstract
A basidiomycetous yeast, strain E2A-C3-
II, was isolated from a marine sponge (Hymeniacidon
sp.) collected at a depth of 6 m in Fildes Bay, King
George Island, Antarctica. The phylogenetic analysis
revealed that the yeast isolated is related to Leucosporidium
drummii, Leucosporidiella muscorum and to
the Leucosporidium scottii group, including Leucosporidiella
creatinivora and Leucosporidiella yakutica.
The analysis of the nucleotide differences and the
genetic distances of the D1/D2 domain of the LSU
rDNA gene and 5.8S ITS regions support that strain
E2A-C3-II represents a new species. The novel species
can be distinguished from L. drummii by its ability to
assimilate L-sorbose, L-rhamnose, lactose and ribitol.
The maximum temperature for growth was 25 C. On
the basis of morphological, biochemical and physiological
characterization, and phylogenetic and nucleotide
analysis, a novel basidiomycetous yeast species,
Leucosporidium escuderoi f.a., sp. nov., is proposed.
The type strain is E2A-C3-IIT (=CBS 12734T =CECT
13080T). The Mycobank (http://www.mycobank.org)
accession number is MB 804654. The nucleotide
sequences of D1/D2 domain of the LSU rDNA gene
and 5.8S-ITS regions obtained in this work have been
deposited in Genbank under the Accession numbers
JN181009 and JN197600, respectively.
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Artículo de publicación ISI
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URI: https://repositorio.uchile.cl/handle/2250/119910
DOI: DOI: 10.1007/s10482-014-0114-7
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Antonie van Leeuwenhoek (2014) 105:593–601
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