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Analysis of the Genome Sequence of Strain GiC-126 of Gloeostereum incarnatum with Genetic Linkage Map

文献类型： 外文期刊

作者： Jiang, Wan-Zhu 1 ; Yao, Fang-Jie 1 ; Fang, Ming 2 ; Lu, Li-Xin 2 ; Zhang, You-Min 2 ; Wang, Peng 3 ; Meng, Jing-Jing 2 ;

作者机构： 1.Jilin Agr Univ, Int Cooperat Res Ctr China New Germplasm Breeding, Changchun, Peoples R China

2.Jilin Agr Univ, Coll Hort, Changchun, Peoples R China

3.Jilin Acad Agr Sci, Econ Plants Res Inst, Gongzhuling, Peoples R China

4.Jiangxi Acad Agr Sci, Inst Agr Appl Microbiol, Nanchang, Jiangxi, Peoples R China

关键词： Gloeostereum incarnatum; simple sequence repeat; carbohydrate-active enzymes; genetic linkage map; mating-type

期刊名称：MYCOBIOLOGY （ 影响因子：1.858； 五年影响因子：2.148 ）

ISSN： 1229-8093

年卷期： 2021 年 49 卷 4 期

页码：

收录情况： SCI

摘要： Gloeostereum incarnatum has edible and medicinal value and was first cultivated and domesticated in China. We sequenced the G. incarnatum monokaryotic strain GiC-126 on an Illumina HiSeq X Ten system and obtained a 34.52-Mb genome assembly sequence that encoded 16,895 predicted genes. We combined the GiC-126 genome with the published genome of G. incarnatum strain CCMJ2665 to construct a genetic linkage map (GiC-126 genome) that had 10 linkage groups (LGs), and the 15 assembly sequences of CCMJ2665 were integrated into 8 LGs. We identified 1912 simple sequence repeat (SSR) loci and detected 700 genes containing 768 SSRs in the genome; 65 and 100 of them were annotated with gene ontology (GO) terms and KEGG pathways, respectively. Carbohydrate-active enzymes (CAZymes) were identified in 20 fungal genomes and annotated; among them, 144 CAZymes were annotated in the GiC-126 genome. The A mating-type locus (MAT-A) of G. incarnatum was located on scaffold885 at 38.9 cM of LG1 and was flanked by two homeodomain (HD1) genes, mip and beta-fg. Fourteen segregation distortion markers were detected in the genetic linkage map, all of which were skewed toward the parent GiC-126. They formed three segregation distortion regions (SDR1-SDR3), and 22 predictive genes were found in scaffold1920 where three segregation distortion markers were located in SDR1. In this study, we corrected and updated the genomic information of G. incarnatum. Our results will provide a theoretical basis for fine gene mapping, functional gene cloning, and genetic breeding the follow-up of G. incarnatum.

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