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Two near-chromosomal-level genomes of globally-distributed Macroascomycete based on single-molecule fluorescence and Hi-C methods

文献类型： 外文期刊

作者： Liu, Wei 1 ; Shi, Xiaofei 1 ; Cai, Yingli 3 ; Sun, Wenhua 4 ; He, Peixin 4 ; Perez-Moreno, Jesus 5 ; Liu, Dong 1 ; Yu, Fuqiang 1 ;

作者机构： 1.Chinese Acad Sci, Germplasm Bank Wild Species, Kunming 650201, Peoples R China

2.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Fungal Divers & Green Dev, Kunming 650201, Peoples R China

3.Yunnan Acad Agr Sci, Inst Agroprod Proc, Kunming 650221, Peoples R China

4.Zhengzhou Univ Light Ind, Coll Food & Biol Engn, Zhengzhou 450002, Peoples R China

5.Colegio Postgrad, Edafol, Campus Montecillo, Texcoco 56230, Mexico

期刊名称：SCIENTIFIC DATA （ 影响因子：6.9； 五年影响因子：8.7 ）

ISSN：

年卷期： 2024 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Discinaceae holds significant importance within the Pezizales, representing a prominent group of macroascomycetes distributed globally. However, there is a dearth of genomic studies focusing on this family, resulting in gaps in our understanding of its evolution, development, and ecology. Here we utilized state-of-the-art genome assembly methodologies, incorporating third-generation single-molecule fluorescence and Hi-C-assisted methods, to elucidate the genomic landscapes of Gyromitra esculenta and Paragyromitra xinjiangensis. The genome sizes of two species were determined to be 47.10 Mb and 48.20 Mb, with 23 and 22 scaffolds, respectively. 10,438 and 11,469 coding proteins were identified, with functional annotations encompassing over 96.47% and 94.40%, respectively. Assessment of completeness using BUSCO revealed that 98.71% and 98.89% of the conserved proteins were identified. The application of comparative genomic technology has helped in identifying traits associated with of heterothallic life cycle traits and elucidating unique patterns of chromosomal evolution. Additionally, we identified potential saprotrophic nutritional modes and systematic phylogenetic relationships between the two species. Therefore, this study provides crucial genomic insights into the evolution, nutritional type, and ecological roles of species within the Pezizales.

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