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Multiomic Analysis Provided Insights into the Responses of Carbon Sources by Wood-Rotting Fungi Daldinia carpinicola

文献类型： 外文期刊

作者： Yang, Peng 1 ; Ma, Xingchi 3 ; Zhang, Yu 3 ; Sun, Yanan 3 ; Yu, Hao 5 ; Han, Jiandong 1 ; Ma, Meng 3 ; Wan, Luzhang 1 ; Cheng, Fansheng 3 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan 250100, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Wastes Matrix Utilizat, Jinan 250100, Peoples R China

3.Qingdao Agr Univ, Coll Food Sci & Engn, Qingdao 266109, Peoples R China

4.Qingdao Special Food Res Inst, Qingdao 266109, Peoples R China

5.Qingdao Agr Univ, Coll Life Sci, Qingdao 266109, Peoples R China

6.Shandong Prov Key Lab Appl Mycol, Qingdao 266109, Peoples R China

关键词： wood-rotting fungi; CAZyme; carbon source; sucrose; sawdust; secondary metabolites

期刊名称：JOURNAL OF FUNGI （ 影响因子：4.0； 五年影响因子：4.5 ）

ISSN：

年卷期： 2025 年 11 卷 2 期

页码：

收录情况： SCI

摘要： Daldinia carpinicola is a newly identified species of wood-rotting fungi, with substantial aspects of its biology and ecological function yet to be clarified. A Nanopore third-generation sequencer was employed for de novo genome assembly to examine the genetic characteristics. The genome consisted of 35.93 Mb in 46 contigs with a scaffold N50 of 4.384 Mb. Glycoside hydrolases and activities enzymes accounted for a large proportion of the 522 identified carbohydrate-active enzymes (CAZymes), suggesting a strong wood degradation ability. Phylogenetic and comparative analysis revealed a close evolutionary relationship between D. carpinicola and D. bambusicola. D. carpinicola and Hypoxylon fragiforme exhibited significant collinear inter-species genome alignment. Based on transcriptome and metabolomic analyses, D. carpinicola showed a greater ability to utilize sucrose over sawdust as a carbon source, enhancing its growth by activating glycolysis/gluconeogenesis and the citrate cycle. However, compared with sucrose, sawdust as a carbon source activated D. carpinicola amino acid biosynthesis and the production of various secondary metabolites, including diterpenoid, indole alkaloid, folate, porphyrin, and biotin metabolism. The study establishes a theoretical basis for research and applications in biological processes, demonstrating a strategy to modulate the production of secondary metabolites by altering its carbon sources in D. carpinicola.

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