Characterization and phylogenetic analysis of the complete mitochondrial genome sequence of Auricularia villosula, an edible wild mushroom in China
文献类型： 外文期刊
作者： Wang, Xiaoguo 1 ; Wei, Shiyan 1 ; Wu, Shengjin 1 ; Tang, Jun 1 ; Wei, Jiaojun 1 ; Liu, Zengliang 1 ; Qi, Liangliang 1 ;
作者机构： 1.Guangxi Acad Agr Sci, Microbiol Res Inst, Nanning, Peoples R China
关键词： Auricularia villosula; Edible mushroom; Phylogeny; Mitochondrial genome
期刊名称：BIOLOGIA （ 影响因子：1.5； 五年影响因子：1.4 ）
ISSN： 0006-3088
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Auricularia is a genus of edible jelly fungi whose highly plastic fruiting bodies lack differentiation between stalks and caps, making accurate identification of similar species difficult. Auricularia villosula (A. villosula) is a wild edible mushroom that is also used in traditional Chinese medicine. Here, we sequenced and assembled its mitochondrial genome using Illumina short reads. The complete sequence is 230,069 bp in length with a GC content of 30.1%. It harbors 41 genes (25 tRNA, 2 rRNA, and 14 protein-coding): 2 on the N strand ( -) and 29 on the J strand ( +). Analysis of nucleotide composition revealed positive GC (0.027) and AT (0.002) skews. The mitochondrial genome included a very large intergenic region (22,840 bp) between cytochrome b (CytB) and tRNA(Tyr), lacked overlapping nucleotides between genes, and used non-standard start codons for some genes. Phylogenetic analysis revealed that A. villosula was distant from other species of Polyporales, Agaricales, and Russulales. The A. villosula mitogenome sequence will be useful for future taxonomic and genetic studies.
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