期刊
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
卷 379, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ijfoodmicro.2022.109866
关键词
Debaryomyces nepalensis; Biocontrol; Fungal community; Bacterial community
资金
- National Key Research and Development Program of China [2019YFD1002300]
D. nepalensis reduces postharvest decay and maintains the quality of jujube fruit. It alters the fungal community, but has little influence on the bacterial community. It decreases the abundance of pathogenic fungi and increases the beneficial bacteria.
Microbial antagonists are effective and environmentally friendly in controlling postharvest diseases of fruit. The present study investigated the influence of D. nepalensis on epiphytic microbiome and postharvest decay of jujube. Results showed that D. nepalensis notably reduced fungal decay, maintained the fruit firmness and delayed discoloration. The epiphytic microbiome revealed that D. nepalensis changed the fungal communities, but few influence on bacterial communities were observed. D. nepalensis, as the dominant population in the treatment group, decreased the abundance of pathogenic fungi of Alternaria, Penicillium, Fusarium and Botrytis, while increased the beneficial bacteria of Pantoea. The canonical correspondence analysis revealed that Debar-yomyces was negatively correlated with the decay rate, whereas Penicillium, Acremonium, Rhodosporidiobolus and Hansfordia were positively correlated. In conclusion, D. nepalensis altered the successional process of fungal and bacterial communities to reduce the decay rate of jujube during storage.
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