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|標題:||Characterization of Methanosarcina mazei N2M9705 isolated from an aquaculture fishpond||作者:||Lai, M.C.
|關鍵字:||methanogenic bacteria;methane||Project:||Current Microbiology||期刊/報告no：:||Current Microbiology, Volume 39, Issue 2, Page(s) 79-84.||摘要:||
A new methanogenic isolate, designated as strain N2M9705 (=OCM 668), was isolated from an aquaculture fishpond near Wang-gong, Taiwan. This strain grew on trimethylamine and methanol, but it did not catabolize H-2-CO2, acetate, or formate. The cells were stained Gram-negative, nonmotile, irregular coccus 0.6-0.8 mu m in diameter. Gas vacuoles were observed and cell aggregated to form various sizes of granules. Cells grew optimally at 32 degrees-37 degrees C with 1% NaCl. The pH range of growth was 6.2-7.4, and higher pH inhibited the cell growth. The cells grew well in minimal medium, but growth was greatly stimulated by yeast extract and peptone. A comparison of 16S rDNA sequences of this organism phylogenetically related to Methanosarcina mazei. This is the first report of methyltrophic methanogenic isolated from an aquaculture fishpond.
|Appears in Collections:||生命科學系所|
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