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- Construction of a genetic linkage map and QTL mapping of agronomic traits in Auricularia auricula-judae
- Li-Xin Lu , Fang-Jie Yao , Peng Wang , Ming Fang , You-Min Zhang , Wei-Tong Zhang , Xiang-Hui Kong , Jia Lu
- J. Microbiol. 2017;55(10):792-799. Published online September 28, 2017
- DOI: https://doi.org/10.1007/s12275-017-7241-6
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Abstract
- Auricularia auricula-judae is a traditional edible fungus that is cultivated widely in China. In this study, a genetic linkage map for A. auricula-judae was constructed using a mapping population consisting of 138 monokaryons derived from a hybrid strain (A119-5). The monokaryotic parent strains A14-5 and A18-119 were derived from two cultivated varieties, A14 (Qihei No. 1) and A18 (Qihei No. 2), respectively. In total, 130 simple sequence repeat markers were mapped. These markers were developed using the whole genome sequence of A. auricula-judae and amplified in A14-5, A18- 119, and the mapping population. The map consisted of 11 linkage groups (LGs) spanning 854 cM, with an average interval length of 6.57 cM. A testcross population was derived from crossing between the monokaryon A184-57 (from the wild strain A184 as a tester strain) and the mapping population. Important agronomic trait-related QTLs, including mycelium growth rate on potato dextrose agar for the mapping population, mycelium growth rate on potato dextrose agar and sawdust for the testcross population, growth period (days from inoculation to fruiting body harvesting), and yield for the testcross population, were identified using the composite interval mapping method. Six mycelium growth raterelated QTLs were identified on LG1 and LG4, two growth period-related QTLs were identified on LG2, and three yieldrelated QTLs were identified on LG2 and LG6. The results showed no linkage relationship between mycelium growth rate and growth period. The present study provides a foundation for locating genes for important agronomic characteristics in A. auricula-judae in the future.
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Citations
Citations to this article as recorded by
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Mycobiology.2021; 49(4): 406. CrossRef - SNP-Based Genetic Linkage Map and Quantitative Trait Locus Mapping Associated with the Agronomically Important Traits of Hypsizygus marmoreus
Youn-Lee Oh, In-Geol Choi, Kab-Yeul Jang, Min-Seek Kim, Min ji Oh, Ji-Hoon Im
Mycobiology.2021; 49(6): 589. CrossRef - Genetic linkage map construction and quantitative trait loci mapping of agronomic traits in Gloeostereum incarnatum
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Journal of Microbiology.2021; 59(1): 41. CrossRef - Polysaccharides from Auricularia auricula: Preparation, structural features and biological activities
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Carbohydrate Polymers.2020; 247: 116750. CrossRef - Genome Sequence Analysis of Auricularia heimuer Combined with Genetic Linkage Map
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Wenbing Gong, Chunliang Xie, Yingjun Zhou, Zuohua Zhu, Yahui Wang, Yuande Peng
Frontiers in Microbiology.2020;[Epub] CrossRef - Comparative transcriptome analysis reveals relationship of three major domesticated varieties of Auricularia auricula-judae
Yuhui Zhao, Liang Wang, Dongshan Zhang, Rong Li, Tianyou Cheng, Yibi Zhang, Xueju Liu, Gary Wong, Yuguo Tang, Hui Wang, Shan Gao
Scientific Reports.2019;[Epub] CrossRef
- Exploring the potential of black fungus, Auricularia auricula, as a feed additive in African catfish, Clarias gariepinus, farming
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