Kazachstania ichnusensis sp. nov., a diploid homothallic ascomycetous yeast from Sardinian lentisk rhizosphere.
Int J Syst Evol Microbiol, 2012/3;62(Pt 3):722-727.
Cardinali G[1], Antonielli L[1], Corte L[1], Roscini L[1], Bagnetti A[1], Pelliccia C[1], Puddu G[1]
Affiliations
PMID: 21498662DOI: 10.1099/ijs.0.032243-0
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Abstract
During an investigation of yeast biota in the rhizosphere of lentisk in Sardinian semi-arid areas, a strain was isolated that could not be assigned to any known species. The sequence of the D1/D2 domain of the large subunit rDNA gene revealed that the strain belonged to the genus Kazachstania and was phylogenetically related to a clade including Kazachstania aerobia, Kazachstania servazzii, Kazachstania solicola and Kazachstania unispora. The novel isolate differed from members of this clade in its ability to assimilate D-glucono-1,5-lactone and its very weak fermentation of glucose and sucrose; its assimilation profile was unique within the genus Kazachstania. Monosporal colonies were able to sporulate, indicating that the species is homothallic. It is proposed that the isolate represents a novel species, Kazachstania ichnusensis sp. nov., with LCF 1675(T) (=CBS 11859(T)) as type strain.
MeSH terms
DNA, Fungal; DNA, Ribosomal; DNA, Ribosomal Spacer; Gluconates; Glucose; Lactones; Microscopy; Molecular Sequence Data; Mycological Typing Techniques; Phylogeny; Rhizosphere; Saccharomycetales; Sequence Analysis, DNA; Soil Microbiology; Sucrose
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