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HOME > J. Microbiol > Volume 61(1); 2023 > Article
Journal Article
Genome Sequencing Highlights the Plant Cell Wall Degrading Capacity of Edible Mushroom Stropharia rugosoannulata
Mengpei Guo 1, Xiaolong Ma 1, Yan Zhou 2, Yinbing Bian 2, Gaolei Liu 1, Yingli Cai 1, Tianji Huang 3, Hongxia Dong 1, Dingjun Cai 1, Xueji Wan 1, Zhihong Wang 1, Yang Xiao 2, Heng Kang 2
Journal of Microbiology 2023;61(1):83-93.
DOI: https://doi.org/10.1007/s12275-022-00003-7
Published online: February 1, 2023
1Institute of Vegetable, Wuhan Academy of Agricultural Sciences, Wuhan 430065, Hubei, People’s Republic of China, 2Institute of Applied Mycology, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China, 3Hubei Changjiu Fungi Co. Ltd., Suizhou 431525, Hubei, People’s Republic of China
Corresponding author:  Xiaolong Ma ,
Yan Zhou ,
Received: 11 October 2022   • Accepted: 4 November 2022
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Abstract

The basidiomycetous edible mushroom Stropharia rugosoannulata has excellent nutrition, medicine, bioremediation, and biocontrol properties. S. rugosoannulata has been widely and easily cultivated using agricultural by-products showing strong lignocellulose degradation capacity. However, the unavailable high-quality genome information has hindered the research on gene function and molecular breeding of S. rugosoannulata. This study provided a high-quality genome assembly and annotation from S. rugosoannulata monokaryotic strain QGU27 based on combined Illumina-Nanopore data. The genome size was about 47.97 Mb and consisted of 20 scaffolds, with an N50 of 3.73 Mb and a GC content of 47.9%. The repetitive sequences accounted for 17.41% of the genome, mostly long terminal repeats (LTRs). A total of 15,726 coding gene sequences were putatively identified with the BUSCO score of 98.7%. There are 142 genes encoding plant cell wall degrading enzymes (PCWDEs) in the genome, and 52, 39, 30, 11, 8, and 2 genes related to lignin, cellulose, hemicellulose, pectin, chitin, and cutin degradation, respectively. Comparative genomic analysis revealed that S. rugosoannulata is superior in utilizing aldehyde-containing lignins and is possible to utilize algae during the cultivation.

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    Genome Sequencing Highlights the Plant Cell Wall Degrading Capacity of Edible Mushroom Stropharia rugosoannulata
    J. Microbiol. 2023;61(1):83-93.   Published online February 1, 2023
    DOI: https://doi.org/10.1007/s12275-022-00003-7
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