| bacterial diversity and ecosystem function of filamentous microbial mats from aphotic (cave) sulfidic springs dominated by chemolithoautotrophic "epsilonproteobacteria". | filamentous microbial mats from three aphotic sulfidic springs in lower kane cave, wyoming, were assessed with regard to bacterial diversity, community structure, and ecosystem function using a 16s rdna-based phylogenetic approach combined with elemental content and stable carbon isotope ratio analyses. the most prevalent mat morphotype consisted of white filament bundles, with low c:n ratios (3.5-5.4) and high sulfur content (16.1-51.2%). white filament bundles and two other mat morphotypes had ... | 2004 | 16329854 |
| candidatus chloracidobacterium thermophilum: an aerobic phototrophic acidobacterium. | only five bacterial phyla with members capable of chlorophyll (chl)-based phototrophy are presently known. metagenomic data from the phototrophic microbial mats of alkaline siliceous hot springs in yellowstone national park revealed the existence of a distinctive bacteriochlorophyll (bchl)-synthesizing, phototrophic bacterium. a highly enriched culture of this bacterium grew photoheterotrophically, synthesized bchls a and c under oxic conditions, and had chlorosomes and type 1 reaction centers. ... | 2007 | 17656724 |