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Identification of bacterial communities associated with needle mushroom (Flammulina filiformis) and its production environment

Summary

Researchers studied the bacteria living in needle mushroom farms in China to understand which microbes help mushrooms grow well and which ones cause diseases. They found that farms in different regions have different bacterial communities, with some bacteria being beneficial while others cause rot and disease. By identifying these bacteria, the study provides information to help farmers grow healthier, safer mushrooms through better farming practices.

Background

Flammulina filiformis is an important edible and medicinal mushroom widely cultivated in East Asia, with its quality and health strongly influenced by associated microbial communities. However, limited data exist on the bacterial communities associated with F. filiformis cultivation in Chinese farms.

Objective

To investigate bacterial communities associated with F. filiformis and its production environment using high-throughput 16S rRNA gene amplicon sequencing and culture-dependent methods across two industrial-scale mushroom production facilities in China.

Results

Analysis revealed diverse bacterial phyla including Proteobacteria, Firmicutes, Bacteroidetes, Actinobacteria, and Cyanobacteria. Genera such as Pseudomonas, Lactobacillus, Acinetobacter, Flavobacterium, and Phyllobacterium were identified with notable regional variations. Pathogenic species including P. tolaasii, E. americana, S. maltophilia, Pseudomonas sp., L. amnigena, and J. lividum were identified, with pathogenicity confirmed for P. tolaasii, E. americana, and J. lividum.

Conclusion

The findings highlight regional differences in bacterial community composition between Changchun and Guizhou facilities, with implications for disease susceptibility and cultivation practices. The research emphasizes the need for tailored management practices and contributes to safe, high-quality mushroom cultivation through improved understanding of microbial ecology and implementation of Mushroom Good Agricultural Practices.
  • Published in:Frontiers in Microbiology,
  • Study Type:Microbial Community Analysis Study,
  • Source: PMID: 39741595
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