Chromosome-Scale Genome Assembly Provides Insights into Fresh Pine Wood Decay Strategies of the Wolfiporia hoelen
文献类型： 外文期刊
作者： Yang, Chi 1 ; Xiao, Donglai 1 ; Jiang, Xiaoling 1 ; Li, Yaru 1 ; Liu, Xiaoyu 1 ; Lin, Hui 1 ; Liu, Chuansen 2 ; Ma, Lu 1 ;
作者机构： 1.Fujian Acad Agr Sci, Inst Edible Mushroom, Natl & Local Joint Engn Res Ctr Breeding & Cultiva, Fuzhou 350014, Peoples R China
2.Agr & Rural Bur Datian Cty, Sanming 366100, Peoples R China
关键词： Wolfiporia hoelen; genome; chromosome; pine sawdust decay; comparative genomics
期刊名称：HORTICULTURAE （ 影响因子：3.1； 五年影响因子：3.1 ）
ISSN：
年卷期： 2024 年 10 卷 7 期
页码：
收录情况： SCI
摘要： The sclerotia of Wolfiporia hoelen (Fr.) Y.C. Dai & V. Papp is an important traditional Chinese medicine with diverse pharmacological properties. This study utilized a combination of PacBio Long-Read Sequencing, Illumina Short-Read Sequencing, and Hi-C Sequencing to generate a high-quality chromosome-level genome assembly of a W. hoelen strain Minling A5. There were 112 contigs in the genome, with 62.95 Mb in total length and 4.21 Mb in length for the contig N50. The average GC content was 51.89%. Based on Hi-C data, we corrected the CCS data and scaffolded them into 14 pseudo-chromosomes. The genome contained 44.37% repetitive sequences and 12,670 protein-coding genes, 86.53% (10,963) of which could be functionally annotated in at least one of the KOG, GO, Pfam, Swissprot, TrEMBL, NR, and KEGG databases. In addition, 240 transfer RNAs, 97 ribosomal RNAs, and 103 other non-coding RNAs were identified in the W. hoelen genome. A total of 755 pseudogenes were also identified, with an average length of 2665.51 bp. Further, there were 398, 100, 2837, 519, and 2068 genes annotated by CAZymes, TCDB, PHI, P450, and DFVF databases, respectively. One notable attribute of W. hoelen is its capacity to thrive in a substrate of fresh pine sawdust. Through an analysis of the growth on various pure wood sawdust culture media, we found that the growth of W. hoelen and Sparassis latifolia on pine sawdust was similar to that on broad-leaved wood sawdust, while the growth of Pleurotus ostreatus, P. eryngii, and Cyclocybe aegerita was slower than that on broad-leaved wood sawdust. By the functional annotation analysis of orthogroups in these five mushroom-forming fungi, it was determined that 645 orthogroups were specifically common in W. hoelen and S. latifolia. The genes in these specific orthogroups were significantly enriched in 12 pathways, including steroid biosynthesis, biosynthesis of antibiotics, and tyrosine metabolism. The high-quality genome and comparative genome analysis results significantly contribute to advancing our foundational knowledge of W. hoelen biology, while also offering valuable insights for the development of innovative biotechnological approaches aimed at enhancing the efficient and sustainable utilization of Pinus.
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