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The Microbial Diversity in Relation to Postharvest Quality and Decay: Organic vs. Conventional Pear Fruit

文献类型： 外文期刊

作者： Gao, Qi 1 ; Zhang, Yang 1 ; Gao, Congcong 1 ; Li, Huimin 1 ; Cheng, Yudou 1 ; Qian, Xun 1 ; Zhang, Lishu 4 ; Liu, Jinyu 4 ; Ogunyemi, Solabomi Olaitan 5 ; Guan, Junfeng 1 ;

作者机构： 1.Hebei Acad Agr & Forestry Sci, Inst Biotechnol & Food Sci, Shijiazhuang 050051, Peoples R China

2.Key Lab Plant Genet Engn Ctr Hebei Prov, Shijiazhuang 050051, Peoples R China

3.Hebei Engn Univ, Sch Landscape & Ecol Engn, Handan 056021, Peoples R China

4.Cangzhou Acad Agr & Forestry Sci, Cangzhou 061001, Peoples R China

5.Zhejiang Univ, Inst Biotechnol, State Key Lab Rice Biol, Minist Agr,Key Lab Mol Biol Crop Pathogens & Inse, Hangzhou 310013, Peoples R China

关键词： pear; management systems; microbial communities; decay; storage

期刊名称：FOODS （ 影响因子：5.2； 五年影响因子：5.5 ）

ISSN：

年卷期： 2023 年 12 卷 10 期

页码：

收录情况： SCI

摘要： (1) Background: Organic food produced in environmentally friendly farming systems has become increasingly popular. (2) Methods: We used a DNA metabarcoding approach to investigate the differences in the microbial community between organic and conventional 'Huangguan' pear fruit; and (3) Results: Compared to a conventional orchard, the fruit firmness in the organic orchard had significantly lowered after 30 days of shelf-life storage at 25 ?, and the soluble solids content (SSC), titratable acid (TA), and decay index were higher. There were differences in the microbial diversity between organic and conventional orchards pears. After 30 days of storage, Fusarium and Starmerella became the main epiphytic fungi in organic fruits, while Meyerozyma was dominant in conventional fruits. Gluconobacter, Acetobacter, and Komagataeibacter were dominant epiphytic bacteria on pears from both organic and conventional orchards after a 30-day storage period. Bacteroides, Muribaculaceae, and Nesterenkonia were the main endophytic bacteria throughout storage. There was a negative correlation between fruit firmness and decay index. Moreover, the abundance of Acetobacter and Starmerella were positively correlated with fruit firmness, while Muribaculaceae was negatively correlated, implying that these three microorganisms may be associated with the postharvest decay of organic fruit; (4) Conclusions: The difference in postharvest quality and decay in organic and conventional fruits could potentially be attributed to the variation in the microbial community during storage.

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