期刊
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
卷 62, 期 4, 页码 861-870出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2020.1829542
关键词
Antagonists; citrus fruits; fungal pathogens; genomics; mechanism of action; microbial community
资金
- Major Science and Technology Innovation Projects in Shandong Province [2019JZZY010718]
This article reviews the isolation of antagonists used to manage postharvest decays in citrus and discusses their mechanisms of action, including recent molecular and genomic studies. New research directions and approaches are proposed for further investigation.
Citrus (Citrusspp.) species produce a variety of fruits that are popular worldwide. Citrus fruits, however, are susceptible to postharvest decays caused by various pathogenic fungi, includingPenicillium digitatum,Penicillium italicum,Geotrichum citri-aurantii,Aspergillus niger, andAspergillus flavus. Decays resulting from infections by these pathogens cause a significant reduction in citrus quality and marketable yield. Biological control of postharvest decay utilizing antagonistic bacteria and fungi has been explored as a promising alternative to synthetic fungicides. In the present article, the isolation of antagonists utilized to manage postharvest decays in citrus is reviewed, and the mechanism of action including recent molecular and genomic studies is discussed as well. Several recently-postulated mechanisms of action, such as biofilm formation and an oxidative burst of reactive oxygen species have been highlighted. Improvements in biocontrol efficacy of antagonists through the use of a combination of microbial antagonists and additives are also reviewed. Biological control utilizing bacterial and yeast antagonists is a critical component of an integrated management approach for the sustainable development of the citrus industry. Further research will be needed, however, to explore and utilize beneficial microbial consortia and novel approaches like CRISPR/Cas technology for management of postharvest decays.
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