Profiling of fungal communities in functional food Cistanches herba using high–throughput sequencing

仿形(计算机编程) 吞吐量 DNA测序 化学 生物 基因 计算机科学 生物化学 电信 无线 操作系统
作者
Chune Fan,Rong Xu,Mengyue Guo,Wenjun Jiang,Meihua Yang,Yujie Dao,Xiaohui Pang
出处
期刊:Food bioscience [Elsevier BV]
卷期号:: 103869-103869
标识
DOI:10.1016/j.fbio.2024.103869
摘要

Cistanches Herba (CH), known as Roucongrong, is a widely used health food supplement and medicinal herb. In recent years, fungal and mycotoxin contamination has affected the quality and safety of CH, posing a potential threat to consumer health. In this study, the Illumina MiSeq PE300 platform and targeted the internal transcribed spacer 2 sequences were used to investigate fungal communities in CH. The differences in the fungal communities of samples from different collection areas and processing methods were analyzed. As a result, 606 ASVs were obtained and were further classified into six phyla, 27 classes, 56 orders, 110 families, and 167 genera. Basidiomycota and Rhizopodaceae were the dominant phylum and family, respectively. Rhizopus (0%–43.72%), Aspergillus (0%–19.55%), and Fusarium (0%–20.27%) were the most dominant genera among the identified genera. Meanwhile, 13 species were identified, including two potential toxigenic fungi Aspergillus terreus and and Mucor circinelloides. In addition, variations in the composition of the fungal communities, the diversity of fungi, their trophic modes, and the functional guilds in CH samples from four different collection regions and two processing methods were observed. This work provides useful information for controlling fungal contamination in herbs and foods to ensure food safety and human health.
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