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Evolution and Genetic Differentiation of Pleurotus tuoliensis in Xinjiang, China, Based on Population Genomics

文献类型： 外文期刊

作者： Jia, Peisong 1 ; Nurziya, Yarmamat 2 ; Luo, Ying 2 ; Jia, Wenjie 2 ; Zhu, Qi 2 ; Tian, Meng 3 ; Sun, Lei 1 ; Zhang, Bo 1 ; Qi, Zhengxiang 1 ; Zhao, Zhenhao 2 ; Dai, Yueting 1 ; Fu, Yongping 1 ; Li, Yu 1 ;

作者机构： 1.Jilin Agr Univ, Engn Res Ctr, Chinese Minist Educ Edible & Med Fungi, Changchun 130118, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Plant Protect, Minist Agr & Rural Affairs, Key Lab Integrated Pest Management Crops Northwest, Urumqi 830091, Peoples R China

3.Xinjiang Agr Univ, Coll Life Sci, Urumqi 830091, Peoples R China

关键词： Pleurotus tuoliensis; evolution; genetic differentiation; population genomics

期刊名称：JOURNAL OF FUNGI （ 影响因子：4.2； 五年影响因子：4.5 ）

ISSN：

年卷期： 2024 年 10 卷 7 期

页码：

收录情况： SCI

摘要： Pleurotus tuoliensis is a unique species discovered in Xinjiang, China, which is recognized for its significant edible, medicinal, and economic value. It has been successfully incorporated into industrial production. Controversy has emerged concerning the evolution and environmental adaptability of this species due to inadequate interspecific ecology and molecular data. This study examines the germplasm resources of P. tuoliensis in the Xinjiang region. A total of 225 wild and cultivated strains of P. tuoliensis were gathered from seven representative regions. Phylogenetic analysis revealed that seven populations were notably segregated into three distinct groups, primarily attributed to environmental factors as the underlying cause for this differentiation. Population historical size data indicate that P. tuoliensis underwent two expansion events, one between 2 and 0.9 Mya (Miocene) and the other between 15 and 4 Mya (Early Pleistocene). The ancient climate fluctuations in the Xinjiang region might have contributed to the comparatively modest population size during the Pliocene epoch. Moreover, through the integration of biogeography and ancestral state reconstruction, it was determined that group C of P. tuoliensis emerged initially and subsequently dispersed to groups D and B, in that order. Subsequently, group D underwent independent evolution, whereas group B continued to diversify into groups A and EFG. The primary factor influencing this mode of transmission route is related to the geographical conditions and prevailing wind direction of each group. Subsequent research endeavors focused on assessing the domestication adaptability of P. tuoliensis to different substrates. It was found that the metabolic processes adapted during the domestication process were mainly related to energy metabolism, DNA repair, and environmental adaptability. Processes adapted to the host adaptability include responses to the host (meiosis, cell cycle, etc.) and stress in the growth environment (cysteine and methionine metabolism, sulfur metabolism, etc.). This study analyzed the systematic evolution and genetic differentiation of P. tuoliensis in Xinjiang. The identified loci and genes provide a theoretical basis for the subsequent improvement of germplasm resources and conducting molecular breeding.

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