2016年
Analysis of microbial community and nitrogen transition with enriched nitrifying soil microbes for organic hydroponics
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
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- 巻
- 80
- 号
- 11
- 開始ページ
- 2247
- 終了ページ
- 2254
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1080/09168451.2016.1200459
- 出版者・発行元
- TAYLOR & FRANCIS LTD
Nitrifying microbial consortia were enriched from bark compost in a water system by regulating the amounts of organic nitrogen compounds and by controlling the aeration conditions with addition of CaCO3 for maintaining suitable pH. Repeated enrichment showed reproducible mineralization of organic nitrogen via the conversion of ammonium ions (NH4+) and nitrite ions (NO2-) into nitrate ions (NO3-). The change in microbial composition during the enrichment was investigated by PCR-DGGE analysis with a focus on prokaryote, ammoniaoxidizing bacteria, nitrite-oxidizing bacteria, and eukaryote cell types. The microbial transition had a simple profile and showed clear relation to nitrogen ions transition. Nitrosomonas and Nitrobacter were mainly detected during NH4+ and NO2- oxidation, respectively. These results revealing representative microorganisms acting in each ammonification and nitrification stages will be valuable for the development of artificial simple microbial consortia for organic hydroponics that consisted of identified heterotrophs and autotrophic nitrifying bacteria.
- リンク情報
- ID情報
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- DOI : 10.1080/09168451.2016.1200459
- ISSN : 0916-8451
- eISSN : 1347-6947
- Web of Science ID : WOS:000385582600026