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Role of the blue light receptor gene Icwc-1 in mycelium growth and fruiting body formation of Isaria cicadae

文献类型： 外文期刊

作者： Song, Linhao 1 ; Shrivastava, Neeraj 1 ; Gai, Yunpeng 4 ; Li, Dong 2 ; Cai, Weiming 5 ; Shen, Yingyue 5 ; Lin, Fu-Cheng 6 ; Liu, Jingyu 2 ; Wang, Hongkai 1 ;

作者机构： 1.Zhejiang Univ, Inst Biotechnol, State Key Lab Rice Biol, Hangzhou, Peoples R China

2.Shanxi Agr Univ, Coll Food Sci & Engn, Shanxi Key Lab Edible Fungi Loess Plateau, Jinzhong, Shanxi, Peoples R China

3.Amity Univ, Amity Inst Microbial Technol, Noida, Uttar Pradesh, India

4.Beijing Forestry Univ, Sch Grassland Sci, Beijing, Peoples R China

5.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou, Peoples R China

6.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Treats Qual & S, Hangzhou, Peoples R China

关键词： Isaria cicadae; blue light receptor; mycelium growth; fruiting body formation; developmental regulation

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.2； 五年影响因子：6.2 ）

ISSN：

年卷期： 2023 年 13 卷

页码：

收录情况： SCI

摘要： The Isaria cicadae, is well known highly prized medicinal mushroom with great demand in food and pharmaceutical industry. Due to its economic value and therapeutic uses, natural sources of wild I. cicadae are over-exploited and reducing continuously. Therefore, commercial cultivation in controlled environment is an utmost requirement to fulfill the consumer's demand. Due to the lack of knowledge on fruiting body (synnemata) development and regulation, commercial cultivation is currently in a difficult situation. In the growth cycle of macrofungi, such as mushrooms, light is the main factor affecting growth and development, but so far, specific effects of light on the growth and development of I. cicadae is unknown. In this study, we identified a blue light receptor white-collar-1 (Icwc-1) gene homologue with well-defined functions in morphological development in I. cicadae based on gene knockout technology and transcriptomic analysis. It was found that the Icwc-1 gene significantly affected hyphal growth and fruiting body development. This study confirms that Icwc-1 acts as an upstream regulatory gene that regulates genes associated with fruiting body formation, pigment-forming genes, and related genes for enzyme synthesis. Transcriptome data analysis also found that Icwc-1 affects many important metabolic pathways of I. cicadae, i.e., amino acid metabolism and fatty acid metabolism. The above findings will not only provide a comprehensive understanding about the molecular mechanism of light regulation in I. cicadae, but also provide new insights for future breeding program and improving this functional food production.

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