60Co γ-辐照处理对蓝莓冷藏期间真菌微生物区系多样性的影响

IF 1.5 4区农林科学 Q3 PLANT SCIENCES

Journal of Berry Research Pub Date : 2024-03-08 DOI:10.3233/jbr-230038

Feng Wang, Chengdu Miao, Peiming Ye, Lukai Ma, Qin Wang, Dongjie Liu, Gengsheng Xiao

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引用次数: 0

摘要

本研究详细探讨了 60Co-γ 辐照对蓝莓冷藏期间真菌微生物区系多样性的影响。在最低有效剂量为 1.0 kGy 时，就能观察到辐照对蓝莓中真菌微生物区系的影响。利用香农指数、辛普森指数、Chao1 指数和 ACE 指数对蓝莓中真菌微生物群的基因组库进行了评估，结果显示蓝莓样本的基因组覆盖率良好。主坐标分析明确了不同辐照水平下蓝莓中真菌进化和聚类的差异。在 4°C 的冷藏条件下，经不同剂量辐射处理的蓝莓中真菌微生物区系的组成和多样性存在显著差异。然而，大多数真菌属于子囊菌门。在冷藏初期，真菌微生物区系相对稳定，但在第 15 天左右的中期阶段，辐照蓝莓中真菌物种的多样性变化很大。这项综合研究深入探讨了冷藏期间辐照对蓝莓真菌微生物区系演化的影响。研究结果为蓝莓采后贮藏和保鲜奠定了良好的基础。

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Effects of 60Co γ-irradiation treatment on the diversity of fungal microflora in blueberries during cold storage

In the present study, the effects of 60Co-γ irradiation on the diversity of fungal microflora in blueberries during cold storage have been explored in detail. The effects of irradiation on the fungal microflora in blueberries could be observed at the lowest effective dose of 1.0 kGy. The genome library of fungal microflora in blueberries was evaluated by tusing Shannon, Simpson, Chao1, and ACE indices, presenting good coverage of blueberry samples. Principal coordinate analysis clarified the differences in the evolution and clustering of fungi in blueberries under different irradiation levels. The composition and diversity of fungal microflora in blueberries treated with different doses of radiation exhibited significant differences under cold storage of 4°C. However, most of the fungi belonged to the Ascomycota at the phylum. The fungal microflora was relatively stable at the initial stage of cold storage, however, the diversity of fungal species in irradiated blueberries varied greatly in the middle stage around the 15th day. This comprehensive study provides deeper insight about the effects of irradiation on the evolution of fungal microflora in blueberries during cold storage. The findings of this study lay a good foundation for post-harvest storage and preservation of blueberries.

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来源期刊

Journal of Berry Research Biochemistry, Genetics and Molecular Biology-Biochemistry

CiteScore

3.50

自引率

11.80%

发文量

期刊介绍： The main objective of the Journal of Berry Research is to improve the knowledge about quality and production of berries to benefit health of the consumers and maintain profitable production using sustainable systems. The objective will be achieved by focusing on four main areas of research and development: From genetics to variety evaluation Nursery production systems and plant quality control Plant physiology, biochemistry and molecular biology, as well as cultural management Health for the consumer: components and factors affecting berries'' nutritional value Specifically, the journal will cover berries (strawberry, raspberry, blackberry, blueberry, cranberry currants, etc.), as well as grapes and small soft fruit in general (e.g., kiwi fruit). It will publish research results covering all areas of plant breeding, including plant genetics, genomics, functional genomics, proteomics and metabolomics, plant physiology, plant pathology and plant development, as well as results dealing with the chemistry and biochemistry of bioactive compounds contained in such fruits and their possible role in human health. Contributions detailing possible pharmacological, medical or therapeutic use or dietary significance will be welcomed in addition to studies regarding biosafety issues of genetically modified plants.