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首页> 外文期刊>Journal of environmental science and health >Bacterial community analysis of Tatsoi cultivated by hydroponics
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Bacterial community analysis of Tatsoi cultivated by hydroponics

机译：水培法对Tatsoi的细菌群落分析。

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摘要

Tatsoi (Brassica narinosa) is a popular Asian salad green that is mostly consumed as a source of fresh produce. The purpose of this study was to assess the microbial diversity of Tatsoi cultivated in a hydroponic system and of its ecosystem. Tatsoi leaves, nutrient solution, and perlite/earth samples from a trickle feed system (TFS) and an ebb-and-flow system (EFS) were collected and their microbial communities were analyzed by pyrosequencing analysis. The results showed that most bacteria in the leaves from the TFS contained genus Sporosarcina (99.6%), while Rhizobium (60.4%) was dominant in the leaves from the EFS. Genus Paucibacter (18.21%) and Pelomonas (12.37%) were the most abundant microbiota in the nutrient solution samples of the TFS. In the EFS, the nutrient solution samples contained mostly genus Rhodococcus and Acinetobacter. Potential microbial transfer between the leaves and the ecosystem was observed in the EFS, while samples in the TFS were found to share only one species between the leaves, nutrient solution, and earth. Together, these results show that the bacterial populations in Tatsoi and in its ecosystem are highly diverse based on the cultivation system.
机译：Tatsoi（甘蓝型油菜）是一种流行的亚洲色拉蔬菜，主要作为新鲜农产品的来源食用。这项研究的目的是评估在水培系统和生态系统中种植的Tatsoi的微生物多样性。采集叶，营养溶液和滴流进食系统（TFS）和潮起潮落系统（EFS）的珍珠岩/地球样品，并通过焦磷酸测序分析法分析其微生物群落。结果表明，TFS叶片中的大多数细菌都含有孢子菌属（Sporosarcina）（99.6％），而EFS叶片中的根瘤菌（60.4％）占主导地位。在TFS的营养液样品中，杆状杆菌属（18.21％）和肉芽孢杆菌（12.37％）是最丰富的微生物群。在EFS中，营养液样品主要包含红球菌属和不动杆菌属。在EFS中观察到了叶子与生态系统之间潜在的微生物转移，而在TFS中发现的样品在叶子，营养液和土壤之间仅共享一种物种。综合起来，这些结果表明，根据栽培系统，Tatsoi及其生态系统中的细菌种群高度多样化。

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  • 来源
    《Journal of environmental science and health》 |2016年第9期|490-496|共7页
  • 作者

    Ok K. Koo; Hun Kim; Hyun J. Kim; Christopher A. Baker; Steven C. Ricke;

  • 作者单位

    Department of Food and Nutrition, Gyeongsang National University, Jinju 52828, Republic of Korea,Institute of Agriculture & Life Science, Gyeongsang National University, Jinju, Republic of Korea;

    Center for Eco-Friendly New Materials, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea,Department of Green Chemistry and Environmental Biotechnology, Korea University of Science and Technology, Daejeon, Republic of Korea;

    Food Safety Research Group, Korea Food Research Institute, Seongnam, Republic of Korea;

    Center for Food Safety, Department of Food Science, University of Arkansas, Fayetteville, Arkansas, USA;

    Center for Food Safety, Department of Food Science, University of Arkansas, Fayetteville, Arkansas, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hydroponics; Tatsoi; fresh produce; pyrosequencing; bacterial community;

    机译：水培法Tatsoi;新鲜农产品焦磷酸测序细菌群落;

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