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題 名 | 臺東附近海域不同深度海水中的好氣及兼氣性異營細菌組成 =Compositions of Aerobic and Facultativly Anaerobic-heterotrophic Bacteria in Different Depths of Seawater off Taitung |
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作 者 | 張錦宜; 黃美瑩; 吳嘉哲; 林富家; 王文政; 林金榮; | 書刊名 | 水產研究 |
卷 期 | 17:1 2009.06[民98.06] |
頁 次 | 頁25-38 |
分類號 | 351.93 |
關鍵詞 | 深層海水; 微生物組成; 16S rRNA; Deep sea water; Bacterial composition; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以試驗船進行台東知本附近海域不同深度海水的採樣,並利用試驗船上的微生物實驗室即時進行海水中好氣及兼氣性異營細菌之計量、分離及純化工作,最後以16S rRNA基因序列進行各分離株之鑑定。水深5、285、740及912 m 海水中好氣及兼氣性異營細菌生菌數分別為285 ± 13、69 ± 21、90 ± 19及32 ± 7 CFU/ml,自4組不同深度海水樣本中隨機分離15株細菌進行細菌鑑定,總計60株細菌分離株共包括3個門、4個綱、7個目、10個科、18個屬及29個種,尚有3株細菌無法以16S rRNA基因序列進行鑑定。研究結果亦顯示,台東附近海域不同深度海水中均未檢測出APHA所列的有害細菌,但即使是深達912 m的海域,亦可檢出諸如Vibrio harveyi、V. fortis及V. splendidus等曾被發表為病原菌的水中常在菌。另外,水中可分離到如Agarivorans albus、Alteromonas luteoviolacea及Pseudoalteromonas haloplanktis 等具特殊酵素活性,可能具開發潛力的菌株。 |
英文摘要 | Seawater samples were collected from different sites and depths off Taitung. The aerobic and facultativly anaerobic, heterotrophic bacteria were counted, isolated and purified immediately in a microbial laboratory of the research vessel. Isolated bacteria were identified according to the 16S rRNA gene sequences. The total viable bacterial counts in depths of 285, 740 and 912 m were 285 ± 13, 69 ± 21, 90 ± 19 and 32 ± 7 CFU/ml, respectively. To analyze the bacteria composition, 60 bacteria were selected randomly from samples of the four depths (15 for each) and purified. They were classified to 3 phyla, 4 classes, 7 orders, 10 families, 18 genera and 29 species. There were 3 strains that could not identify by 16S rRNA gene sequence. The so called “harmful bacteria” according to APHA were not detected. However, the ones which have been previously published as pathogens, such as Vibrio harveyi, V. fortis and V. splendidus can be found even in the depth of 912 m. The bacteria with unusual enzyme activities, such as Agarivorans albus, Alteromonas luteoviolacea, and Pseudoalteromonas haloplanktis can also be isolated from the deep seawater off Taitung. |
本系統中英文摘要資訊取自各篇刊載內容。