特里科德玛 (Hypocreaceae) 有Trichoderma属中最小的线粒基因组
María Lorena Castrillo1,2, Gustavo Ángel Bich1,2, Natalia Soledad Amerio1,2
1Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones "Dra. María Ebe Reca"-InBioMis, Universidad Nacional de Misiones, Posadas, Misiones, Argentina.
Frontiers in microbiology
|June 29, 2023
概括
菌类寄生真菌Trichoderma koningiopsis的线粒体基因组被测序,揭示了一个圆形分子,有14个保存的蛋白质编码基因和两个内核. 遗传学分析将其置于Hypocreales的Trichoderma血统中.
科学领域:
- 菌类学 菌类学是指菌类学.
- 基因组学就是基因组学.
- 进化生物学 进化生物学
背景情况:
- 真菌线粒基因组在结构和基因含量方面表现出显著的变异性.
- 了解线粒体基因组多样性对于真菌分类学和进化至关重要.
研究的目的:
- 确定和表征了真菌寄生虫真菌Trichoderma koningiopsis的完整线粒体基因组.
- 根据其线粒体基因组对T. koningiopsis进行遗传学分析.
主要方法:
- 使用Illumina下一代测序技术进行全基因组测序.
- 线粒体基因组的组装和注释.
- 与其他真菌线粒基因组进行比较分析.
- 使用保存的线粒体蛋白质编码基因进行了植物遗传学分析.
主要成果:
- 特里科德玛 koningiopsis POS7 线索基因组是一个圆形分子的27,560 bp与27.80%的GC含量.
- 它包含14个保存的线粒体蛋白质编码基因,26个转移RNA基因和核糖体RNA基因.
- 确定了两个内基因,位于cox3和rnl基因中,占基因组的7.34%.
- 遗传学分析将T. koningiopsis POS7与Hypocreales中的其他Trichoderma物种聚集在一起.
结论:
- 描述的线粒体基因组为研究Trichoderma和相关真菌的分类学,遗传学和演变提供了宝贵的资源.
- 这项研究证实了基于线粒体遗传数据的T. koningiopsis在Hypocreales中的位置.
相关概念视频
Fungal Phylum Microsporidia
43
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
43
Bacterial Phylum Tenericutes
43
The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
43
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
12.6K
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
12.6K
Fungal Group Zygomycota
58
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
58


