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Screening and genomic analysis of biocontrol bacteria against cobweb disease of Oudemansiella raphanipes
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Yayong LIU1, Taotao ZHANG1, Lin GAO1, Juan ZHAO1, Panpan MENG1, 2, Yingfei LI1, Wentao QIN1, *
Acta Microbiologica Sinica | 2025, 65(2) : 758 - 770
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Acta Microbiologica Sinica | 2025, 65(2): 758-770
Research Article
Screening and genomic analysis of biocontrol bacteria against cobweb disease of Oudemansiella raphanipes
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Yayong LIU1, Taotao ZHANG1, Lin GAO1, Juan ZHAO1, Panpan MENG1, 2, Yingfei LI1, Wentao QIN1, *
Affiliations
  • 1 Key Laboratory of Environment Friendly Management on Fruit and Vegetable Pests in North China (Co-construction by Ministry and Province), Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
  • 2 College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, China
Published: 2025-02-04 doi: 10.13343/j.cnki.wsxb.20240592
Outline
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Oudemansiella raphanipes is a rare edible and medicinal mushroom, while it is highly susceptible to cobweb disease caused by Cladobotryum varium. [Objective] To obtain bacteria capable of controlling cobweb disease and promoting the mycelial growth of O. raphanipes from casing soil. [Methods] Bacteria were isolated from the casing soil of O. raphanipes, and their antagonistic activity against the mycelial growth of both O. raphanipes and C. varium was evaluated. The strains with disease-preventing and growth-promoting properties were screened out, and their functioning mechanisms were studied based on genome data. [Results] A total of 90 bacterial strains were isolated from the casing soil, of which 38 strains showed significant inhibitory activity against the mycelial growth of C. varium and no inhibitory activity against that of O. raphanipes. The supernatants of two strains significantly inhibited the mycelial growth of C. varium and promoted that of O. raphanipes. Based on the genome data, the above two strains were identified as Peribacillus simplex and Ochrobactrum rhizosphaerae, respectively, and they carried multiple functional genes and biosynthetic gene clusters of secondary metabolites. [Conclusion] Two bacterial strains capable of controlling the disease and promoting the growth of edible fungi were obtained, providing valuable microbial resources for the future biocontrol of cobweb disease.

Oudemansiella raphanipes  /  casing soil  /  cobweb disease  /  Cladobotryum varium  /  biocontrol
Yayong LIU, Taotao ZHANG, Lin GAO, Juan ZHAO, Panpan MENG, Yingfei LI, Wentao QIN. Screening and genomic analysis of biocontrol bacteria against cobweb disease of Oudemansiella raphanipes[J]. Acta Microbiologica Sinica, 2025 , 65 (2) : 758 -770 . DOI: 10.13343/j.cnki.wsxb.20240592
  • Beijing Natural Science Foundation(6232009)
  • Beijing Science and Technology Program(Z231100003723001)
  • Beijing Academy of Agricultural and Forestry Sciences Innovation Capacity Building Special Funding Project(KJCX20230115)
Year 2025 volume 65 Issue 2
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65
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Article Info
doi: 10.13343/j.cnki.wsxb.20240592
  • Receive Date:2024-09-26
  • Online Date:2026-02-05
  • Published:2025-02-04
Article Data
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History
  • Received:2024-09-26
  • Accepted:2024-11-21
Funding
Beijing Natural Science Foundation(6232009)
Beijing Science and Technology Program(Z231100003723001)
Beijing Academy of Agricultural and Forestry Sciences Innovation Capacity Building Special Funding Project(KJCX20230115)
Affiliations
    1 Key Laboratory of Environment Friendly Management on Fruit and Vegetable Pests in North China (Co-construction by Ministry and Province), Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
    2 College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, China

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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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