Spathaspora marinasilvae sp. nov., a xylose-fermenting yeast isolated from galleries of passalid beetles and rotting wood in the Amazonian rainforest biome.

IF 2.2 4区 生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY
Yeast Pub Date : 2024-07-01 Epub Date: 2024-06-08 DOI:10.1002/yea.3966
Katharina O Barros, Thiago M Batista, Rafaela C C Soares, Mariana R Lopes, Flávia B M Alvarenga, Gisele F L Souza, Maxwel A Abegg, Ana Raquel O Santos, Aristóteles Góes-Neto, Heron O Hilário, Rennan G Moreira, Glória R Franco, Marc-André Lachance, Carlos A Rosa
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引用次数: 0

Abstract

Four yeast isolates were obtained from rotting wood and galleries of passalid beetles collected in different sites of the Brazilian Amazonian Rainforest in Brazil. This yeast produces unconjugated allantoid asci each with a single elongated ascospore with curved ends. Sequence analysis of the internal transcribed spacer-5.8 S region and the D1/D2 domains of the large subunit ribosomal RNA (rRNA) gene showed that the isolates represent a novel species of the genus Spathaspora. The novel species is phylogenetically related to a subclade containing Spathaspora arborariae and Spathaspora suhii. Phylogenomic analysis based on 1884 single-copy orthologs for a set of Spathaspora species whose whole genome sequences are available confirmed that the novel species represented by strain UFMG-CM-Y285 is phylogenetically close to Sp. arborariae. The name Spathaspora marinasilvae sp. nov. is proposed to accommodate the novel species. The holotype of Sp. marinasilvae is CBS 13467 T (MycoBank 852799). The novel species was able to accumulate xylitol and produce ethanol from  d-xylose, a trait of biotechnological interest common to several species of the genus Spathaspora.

Spathaspora marinasilvae sp.
从巴西亚马逊雨林不同地点采集的腐烂木材和过路甲虫虫廊中获得了四个酵母分离株。这种酵母菌产生非结合的尿囊状子囊,每个子囊都有一个末端弯曲的拉长的子囊孢子。对大亚基核糖体 RNA(rRNA)基因的内部转录间隔-5.8 S 区和 D1/D2 域进行的序列分析表明,这些分离物代表了 Spathaspora 属的一个新物种。该新种在系统发育上与一个亚支系有关,该亚支系包括树干孢属(Spathaspora arborariae)和suhii孢属(Spathaspora suhii)。基于一组 Spathaspora 物种(其全基因组序列可用)的 1884 个单拷贝直向同源物的系统发生组分析证实,以菌株 UFMG-CM-Y285 为代表的新物种在系统发育上与 Sp.新物种的名称为 Spathaspora marinasilvae sp.Sp. marinasilvae 的主模式为 CBS 13467 T(MycoBank 852799)。该新物种能够积累木糖醇并利用 d-木糖生产乙醇,这是 Spathaspora 属多个物种共有的生物技术特征。
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来源期刊
Yeast
Yeast 生物-生化与分子生物学
CiteScore
5.30
自引率
3.80%
发文量
55
审稿时长
3 months
期刊介绍: Yeast publishes original articles and reviews on the most significant developments of research with unicellular fungi, including innovative methods of broad applicability. It is essential reading for those wishing to keep up to date with this rapidly moving field of yeast biology. Topics covered include: biochemistry and molecular biology; biodiversity and taxonomy; biotechnology; cell and developmental biology; ecology and evolution; genetics and genomics; metabolism and physiology; pathobiology; synthetic and systems biology; tools and resources
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