Description and characterization of the small mitochondrial genome of Trichoderma cerinum (Hypocreales, Hypocreaceae) and its evolutionary perspectives.

Priscila Martins de Assis, Igor Henrique Rodrigues-Oliveira, Iuri Batista da Silva, Rubens Pasa, Fabiano B Menegidio, Karine Frehner Kavalco
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Abstract

Trichoderma Persoon (1794) is a genus of fungus found in soils and decaying wood all over the world. We present the assembly and annotation of the mitochondrial genome of Trichoderma cerinum Bissett, Kubicek & Szakacs (2003) and an assessment of the phylogeny of the group, discussing the loss and gain of shared genes in the evolutionary history of fungi. We downloaded the raw data of T. cerinum from the NCBI database and exported it to the Galaxy Europe platform, where we performed the mitogenome assembly using the NOVOplasty tool. We used three tools for annotation. The phylogeny was conducted with 12 Trichoderma species and the T. cerinum. Fusarium oxysporum was used as an outgroup. We got a circularized mitochondrial genome of 26,696 bp, with 15 protein-coding genes, 25 tRNAs, two rRNAs, two endonuclease sequences, and an orf40. This species contains only one intron in the cob gene. In our phylogenetic reconstruction, T. cerinum was recovered as a sister group of a clade containing Trichoderma lixii, Trichoderma afroharzianum, Trichoderma simmonsii, and Trichoderma harzianum.

陶瓷毛霉(Hypocreales,Hypocreaceae)小线粒体基因组的描述和特征及其进化前景。
毛霉属真菌(Trichoderma Persoon,1794 年)在世界各地的土壤和腐木中都有发现。我们介绍了 Bissett、Kubicek 和 Szakacs(2003 年)对毛霉菌 cerinum 线粒体基因组的组装和注释,以及对该组系统发育的评估,讨论了真菌进化史中共享基因的丢失和增殖。我们从 NCBI 数据库中下载了 T. cerinum 的原始数据,并将其导出到 Galaxy Europe 平台,使用 NOVOplasty 工具进行了有丝分裂基因组的组装。我们使用了三种工具进行注释。对 12 个毛霉菌种和 T. cerinum 进行了系统发育。Fusarium oxysporum作为外群。我们得到了一个 26,696 bp 的环化线粒体基因组,其中有 15 个蛋白质编码基因、25 个 tRNA、2 个 rRNA、2 个内切酶序列和一个 orf40。该物种的 cob 基因中只有一个内含子。在我们的系统发育重建中,T. cerinum 被认为是一个姊妹类群,该类群包括lixii毛霉、Trichoderma afroharzianum、Trichoderma simmonsii和Trichoderma harzianum。
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