Query: NC_013457:979102 Vibrio sp. Ex25 chromosome 2, complete genome Lineage: Vibrio; Vibrio; Vibrionaceae; Vibrionales; Proteobacteria; Bacteria General Information: Vibrio sp. EX25 was isolated from samples taken from a deep-sea hydrothermal vent community along the East Pacific Rise. Vibrio species represent a significant portion of the culturable heterotrophic bacteria of oceans, coastal waters and estuaries. Various species of this genus are devastating pathogens for finfish, shellfish and mammals.
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General Information: Thermomicrobium roseum DSM 5159 was isolated from Yellowstone National Park, USA. Obligate thermophile with unusual cell wall structure. Thermomicrobium roseum is a red-pigmented, rod-shaped, Gram-negative extreme thermophile that possesses both an atypical cell wall composition and an unusual cell membrane that is composed entirely of long-chain 1,2-diols. Analyses of environmental sequences from hot spring environments show that T.roseum displays a low quantity but ubiquitous presence in top layers of microbial mats. Few standard housekeeping genes are found on the megaplasmid, however, it does encode a complete system for chemotaxis including both chemosensory components and an entire flagellar apparatus. T. roseum oxidizes CO aerobically, making it the first thermophile known to do so. In addition, is is propose that glycosylation of its carotenoids plays a crucial role in the adaptation of the cell membrane to this bacterium's thermophilic lifestyle. Because T. roseum is a deep-branching member of this phylum, eventhough this species is not photosynthetic, analysis of the genome provides some insight into the origins of photosynthesis in the Chloroflexi.