查詢結果分析
相關文獻
- Cultivation-Based Characterization of Microbial Communities Associated with Deep Sedimentary Rocks from Taiwan Chelungpu Drilling Project Cores
- The Effects of Starch and Protein Degradation Rates, Hay Sources, and Feeding Frequency on Rumen Microbial Fermentation in a Continuous Culture System
- 抗菌防臭紡織品之介紹
- 調氣環境醃漬溫度對中式香腸醃漬絞瘦肉微生物生長之影響
- 都市污泥轉化再利用
- Isolation and Application of Thermotolerant Microbes in Composting
- 探討食用、藥用真菌在國小自然科教學的應用
- 利用擠壓與傳統原料製備醬醪熟成時微生物與蛋白酶之變化
- 以Enterococcus hirae分析食品中總葉酸含量
- 真空調理冷藏滷雞翅產品中微生物生長之動力學
頁籤選單縮合
題 名 | Cultivation-Based Characterization of Microbial Communities Associated with Deep Sedimentary Rocks from Taiwan Chelungpu Drilling Project Cores=臺灣車籠埔鑽井計畫岩芯之深部沈積岩中基於培養之微生物族群特徵 |
---|---|
作 者 | 王珮玲; 林立虹; 于宏燦; 鄭婷文; 宋聖榮; 郭力維; 葉恩肇; 林為人; 王乾盈; | 書刊名 | Terrestrial, Atmospheric and Oceanic Sciences |
卷 期 | 18:2 2007.06[民96.06] |
頁 次 | 頁395-412 |
專 輯 | 臺灣車籠埔斷層深鑽計畫:井址特性與現地量測專刊 |
分類號 | 353.4 |
關鍵詞 | 車籠埔斷層; 微生物; Taiwan Chelungpu drilling project; Microbial community; Cultivation; Metabolism; |
語 文 | 英文(English) |
英文摘要 | The Taiwan Chelungpu Drilling Project (TCDP) has provided an unprecedented opportunity to reveal a terrestrial subsurface microbial ecosystem that has possibly experienced continuous disturbance by the arccontinental collision since 5 Ma. The drilling penetrated Pliocene-Pleistocene sedimentary rocks to a depth of 2000 meters below the land surface (mbls) and encountered two major fault zones. Sixteen samples retrieved from the drilled cores at depths between 464 to 1451 mbls were examined to characterize microbial community structures through cultivation-based approaches. Cultivation experiments were performed with various media at temperatures ranging from 30 to 50C. The results indicate that fermenters and heterotrophic sulfate reducers, using complex organic carbon, were ubiquitously present in most samples. Acetate-utilizing and H -utilizing 2 sulfate reducers were restricted to shallower intervals along the depth profile. Iron reducers and methanogens were only cultivated in a few shallow samples. Twelve pure strains including 8 fermenters, 3 iron reducers and 1 sulfate reducer originally enriched at 30 or 40C were isolated and identified with 16S rDNA sequence analyses. They were phylogenetically affiliated with Firmicutes, Bacteriodes, Actinobacteria, and Proteobacteria in various degrees of similarity. The presence of metabolism was not correlated with lithology, depth, temperature and the appearance of fracture throughout the core. The ubiquitous appearance of fermentation and organotrophic sulfate reduction suggests that organic carbon sources were readily accessible in this deep terrestrial subsurface environment. These results infer that the foreland sedimentary strata disturbed by tectonic activities over a geological time scale might support a heterotrophy-dominated deep terrestrial subsurface microbial ecosystem. |
本系統中英文摘要資訊取自各篇刊載內容。