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Members of the LeATG gene family and their expression during mycelial colouring process of Lentinula edodes
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Mengjia HU1, 2, Qi GAO1, Yangyang FAN1, Dong YAN1, Shouxian WANG1, Yu LIU1, Xianchun ZONG2, Yuanyuan LIU1, *
Mycosystema | 2026, 45(4) : 250259
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Mycosystema | 2026, 45(4): 250259
• Research paper •
Members of the LeATG gene family and their expression during mycelial colouring process of Lentinula edodes
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Mengjia HU1, 2, Qi GAO1, Yangyang FAN1, Dong YAN1, Shouxian WANG1, Yu LIU1, Xianchun ZONG2, Yuanyuan LIU1, *
Affiliations
  • 1 Beijing Engineering Research Center for Edible Mushroom, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
  • 2 College of Life Sciences and Technology, Mudanjiang Normal University, Mudanjiang 157011, Heilongjiang, China
Published: 2026-04-22 doi: 10.13346/j.mycosystema.250259
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The autophagy-related gene family members in Lentinula edodes (LeATG family members) were identified based on the whole genome data of L. edodes using homologous alignment methods, and their biological information was analyzed. The expression patterns of these family members during mycelial colouring process were analyzed by combining transcriptome sequencing data and RT-qPCR. The results showed that 29 LeATG family members belonging to 23 classes of autophagy-related genes were identified in the L. edodes genome. Chromosomal localization analysis revealed that they were mainly distributed on chromosomes 4 and 1; no distribution was detected on chromosome 9. The full length of LeATG family members ranges from 595 to 6 772 bp. The length of protein sequence encoded by the LeATG gene ranged from 127 to 1 998 aa, with relative molecular weights of 14.8-219.7 kDa and theoretical isoelectric points of 4.27-9.51. Except for LeATG9, LeATG22, and LeATG27, the other 24 LeATG proteins contained no transmembrane domains. The phylogenetic analysis showed that the 29 LeATG proteins clustered into three evolutionary branches, and proteins of the same class were dispersed across different sub-branches, suggesting significant differences in protein structure. Transcriptome data analysis and RT-qPCR revealed differential expression patterns of LeATG genes before and after mycelial colouring process: 2 LeATG genes were highly expressed before browning, 5 were highly expressed after colouring. It was speculated that these 7 genes might be involved in regulating the mycelial colouring process. This study systematically identified the LeATG gene family in L. edodes, and preliminarily revealed their expression regulation patterns during mycelial colouring process, laying an important foundation for further analysis of the molecular mechanism of the LeATG gene during mycelial colouring process of L. edodes.

Lentinula edodes  /  autophagy-related genes  /  mycelial colouring  /  gene expression
Mengjia HU, Qi GAO, Yangyang FAN, Dong YAN, Shouxian WANG, Yu LIU, Xianchun ZONG, Yuanyuan LIU. Members of the LeATG gene family and their expression during mycelial colouring process of Lentinula edodes[J]. Mycosystema, 2026 , 45 (4) : 250259 - . DOI: 10.13346/j.mycosystema.250259
Funding
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  • National Natural Science Foundation of China(32202568)
  • Reform and Development Project, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences(GGYFZ202512)
  • Beijing Innovation Consortium of Agriculture Research System(BAIC03)
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Year 2026 volume 45 Issue 4
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Article Info
doi: 10.13346/j.mycosystema.250259
  • Receive Date：2025-08-29
  • Online Date：2026-04-30
  • Published：2026-04-22
Article Data
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History
  • Received：2025-08-29
  • Accepted：2025-11-04
Funding
National Natural Science Foundation of China(32202568)
Reform and Development Project, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences(GGYFZ202512)
Beijing Innovation Consortium of Agriculture Research System(BAIC03)
Affiliations
    1 Beijing Engineering Research Center for Edible Mushroom, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    2 College of Life Sciences and Technology, Mudanjiang Normal University, Mudanjiang 157011, Heilongjiang, China

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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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