Query: NC_004344:257471 Wigglesworthia glossinidia endosymbiont of Glossina brevipalpis, Lineage: Wigglesworthia glossinidia; Wigglesworthia; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria General Information: This organism is the obligate endosymbiont for the tsetse fly Glossina brevipalpis. As Wigglesworthia brevipalpis resides intracellularly, the resulting co-evolution with its host over millions of years has led to a drastic reduction in the bacterium's genome size, resulting in this its inability to survive outside the host. Tsetse fly endosymbiont. This organism is the obligate endosymbiont for the tsetse fly Glossina brevipalpis, Glossina tachinoides, Glossina palpalis palpalis, and Glossina austeni. The tsetse fly is a vector for African trypanosomes, and is the main transmitter of deadly diseases in animals and humans in Africa. The fly feeds on a restricted diet, exclusively consisting of vertebrate blood, and lacks certain metabolic compounds needed for survival and reproduction. To complement this lack in nutrients, the tsetse fly relies mainly on the intracellular bacterial symbiont, Wigglesworthia glossinidia for its viability and fecundity.
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General Information: Marinomonas MWYL1 was isolated from the root surface of the salt marsh grass Spartina anglica, growing near the North Norfolk, England village of Stiffkey. The genus Marinomonas comprises a widespread group of g -proteobacteria that exist in coastal waters, and which had been earlier been included in the genus Alteromonas. The interest in Marinomonas MWYL 1 was that it could grow on the betaine molecule Dimethylsulphoniopropionate (DMSP) as sole carbon source and, when it did do, it released large amounts of the gas dimethyl sulphide. DMSP is a compatible solute that is used by many marine phytoplankton and seaweed macroalgae as an osmoticum and an anti-stress compound. In addition, a few known land angiosperms make DMSP and these include certain species of Spartina - hence the choice of these plants as a source for DMSP-degrading bacteria. Indeed, others had shown previously that the DMSP-catabolising bacteria isolated from Spartina root surfaces included Marinomonas strains.