| RRC ID |
60533
|
| 著者 |
Tsuji M, Tanabe Y, Vincent WF, Uchida M.
|
| タイトル |
Mrakia hoshinonis sp. nov., a novel psychrophilic yeast isolated from a retreating glacier on Ellesmere Island in the Canadian High Arctic.
|
| ジャーナル |
Int J Syst Evol Microbiol
|
| Abstract |
Four strains isolated from sediment sampled at the front of a retreating glacier on northern Ellesmere Island in the Canadian high Arctic, namely JCM 32575T, JCM 32576, JCM 32577 and JCM 32578, belong to a novel psychrophilic basidiomycetous yeast species in the genus Mrakia. Molecular phylogenetic analysis indicated that these strains are most closely related to the type strains of Mrakia aquatica and Mrakianic combsii, but with 8-9 and 7-12 nt substitutions in ITS and in the D1/D2 domain of the LSU rRNA gene, respectively. The strains grew at sub-zero temperatures and in vitamin-free media, with lipase and cellulase highly active even at -3 °C. These characteristics likely allow this yeast species to grow and survive in extremely cold, oligotrophic environments, such as the fronts of retreating glaciers in the high Arctic. The name Mrakia hoshinonis sp. nov. is proposed, with type strain JCM 32575T (UAMH 11969) and MycoBank number MB 825484.
|
| 巻・号 |
69(4)
|
| ページ |
944-948
|
| 公開日 |
2019-4-1
|
| DOI |
10.1099/ijsem.0.003216
|
| PMID |
30605078
|
| MeSH |
Arctic Regions
Basidiomycota / classification*
Basidiomycota / isolation & purification
Canada
DNA, Fungal / genetics
Genes, rRNA
Ice Cover / microbiology*
Mycological Typing Techniques
Phylogeny*
Sequence Analysis, DNA
|
| IF |
2.166
|
| 引用数 |
2
|
| リソース情報 |
| 一般微生物 |
JCM32575
JCM32576
JCM32577
JCM32578 |
