Community succession of the grape epidermis microbes of cabernet sauvignon (Vitis vinifera L.) from different regions in China during fruit development
Ruteng Wei , Yinting Ding , Feifei Gao , Liang Zhang , Lin Wang , Hua Li , Hua Wang
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引用次数: 16
Abstract
Grape surface microorganisms play a vital role in grape health and yield, wine quality, and regional wine characteristics. To investigate the succession of fungal and bacterial communities of the grape epidermis and the effects of development stages, vineyard location, and macroclimatic conditions on the diversity of epidermal microorganisms, 16S and ITS sequences of 36 samples from three different regions and four development stages were sequenced using the Illumina Novaseq platform. The Shannon index showed that the α-diversity of fungi and bacteria decreased during development. An analysis of variance showed that microbial diversity was influenced by development stage and vineyard location, and the development stage had a greater impact on the microbial diversity than the vineyard location. Grapes recruited microbes according to their developmental stages, but retain the core microbiome. Based on network analysis, this study found a significant correlation between epidermal microbial communities and macroclimatic conditions. In conclusion, the study described in detail the complex community dynamics of grape epidermal microorganisms during berry development. The result will help improve vineyard management techniques, rationally utilize the ecological functions of the vineyard, and reduce the application of chemical fungicides or pesticides to keep the vines healthy, produce high-quality grapes, and highlight the regional characteristics of the wine.
期刊介绍:
The International Journal of Food Microbiology publishes papers dealing with all aspects of food microbiology. Articles must present information that is novel, has high impact and interest, and is of high scientific quality. They should provide scientific or technological advancement in the specific field of interest of the journal and enhance its strong international reputation. Preliminary or confirmatory results as well as contributions not strictly related to food microbiology will not be considered for publication.