Query: NC_016938:1492486 Melissococcus plutonius DAT561 chromosome 1, complete genome Lineage: Melissococcus plutonius; Melissococcus; Enterococcaceae; Lactobacillales; Firmicutes; Bacteria General Information: Causative agent of European foulbrood. Insect pathogen. Anaerobic or microaerophilic Gram-positive bacterium. European foulbrood is a disease of honeybee larvae, caused by the bacterium Melissococcus plutonius. It is found on all continents where bees are raised and an economically important disease in many honey-producing countries. Infected larvae usually die rapidly when they are 3-5 days old and in severe cases entire colonies can be lost.
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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.