Characterization of the Complete Mitochondrial Genome of Basidiomycete Yeast Hannaella oryzae: Intron Evolution, Gene Rearrangement, and Its Phylogeny
文献类型： 外文期刊
作者： Li, Qiang 1 ; Li, Lijiao 1 ; Feng, Huiyu 1 ; Tu, Wenying 1 ; Bao, Zhijie 1 ; Xiong, Chuan 2 ; Wang, Xu 3 ; Qing, Yuan 4 ; Hu 1 ;
作者机构： 1.Chengdu Univ, Sch Food & Biol Engn, Minist Agr & Rural Affairs, Key Lab Coarse Cereal Proc, Chengdu, Peoples R China
2.Sichuan Acad Agr Sci, Biotechnol & Nucl Technol Res Inst, Chengdu, Peoples R China
3.Henan Agr Univ, Coll Life Sci, Zhengzhou, Peoples R China
4.Xichang Univ, Panxi Featured Crops Res & Utilizat Key Lab Sichu, Xichang, Peoples R China
5.Sichuan Acad Agr Sci, Chengdu, Peoples R China
关键词： Hannaella; mitochondrial genome; protein coding gene; repeat sequence; gene rearrangement; phylogenetic analysis 3
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.64； 五年影响因子：6.32 ）
ISSN： 1664-302X
年卷期： 2021 年 12 卷
页码：
收录情况： SCI
摘要： In this study, the mitogenome of Hannaella oryzae was sequenced by next-generation sequencing (NGS) and successfully assembled. The H. oryzae mitogenome comprised circular DNA molecules with a total size of 26,444 bp. We found that the mitogenome of H. oryzae partially deleted the tRNA gene transferring cysteine. Comparative mitogenomic analyses showed that intronic regions were the main factors contributing to the size variations of mitogenomes in Tremellales. Introns of the cox1 gene in Tremellales species were found to have undergone intron loss/gain events, and introns of the H. oryzae cox1 gene may have different origins. Gene arrangement analysis revealed that H. oryzae contained a unique gene order different from other Tremellales species. Phylogenetic analysis based on a combined mitochondrial gene set resulted in identical and well-supported topologies, wherein H. oryzae was closely related to Tremella fuciformis. This study represents the first report of mitogenome for the Hannaella genus, which will allow further study of the population genetics, taxonomy, and evolutionary biology of this important phylloplane yeast and other related species.
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