米种植和微生物群成员对大米粒积的影响
Esra Ersoy Omeroglu1, Asli Bayer1, Mert Sudagidan2
1Basic and Industrial Microbiology Section, Biology Department, Faculty of Science, Ege University, Bornova, 35100 Izmir, Türkiye.
Foods (Basel, Switzerland)
|June 10, 2023
概括
在使用地下水用于灌时,大米中的含量最高,这会影响谷物积累. 了解土壤,水和微生物因素对于安全的米生产至关重要.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 微生物学 微生物学
背景情况:
- 获得安全的食品至关重要,因为大米是主食.
- 米中的高含量对人类健康构成重大风险.
- 大米中的污染受各种环境和生物因素的影响.
研究的目的:
- 为了确定大米,土壤和水中的含量.
- 分析代谢基因 (arsC,mcrA) 和微生物群落的变化.
- 调查灌水源与大米中积累之间的关系.
主要方法:
- 定量逆转录聚合酶链反应 (qRT-PCR) 用于基因表达分析.
- 用于评估微生物社区丰富性和多样性的元编码.
- 在米粒,皮,土壤和灌水样本中量化.
主要成果:
- 在谷中积量最高 (1.62 ppm) 是在地下水灌时观察到的,与溪水 (0.21 ppm) 相比.
- 康莫纳氏家族和Limnohabitans属在谷物形成期间在地下水中丰富.
- 在根,芽和谷物中逐渐积累;arsC基因表达在地下水中最高,而甲产量在地表水中增加.
结论:
- 灌水源对大米中的积累有重大影响.
- 微生物群落和特定的基因在代谢和甲生产中发挥作用.
- 仔细选择土壤,水,微生物群,水类型和农业实践对于无米生产至关重要.
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