Query: NC_013892:2108175 Xenorhabdus bovienii SS-2004 chromosome, complete genome Lineage: Xenorhabdus bovienii; Xenorhabdus; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria General Information: Insect pathogenic, facultatively anaerobic, non-spore forming Gram-negative bacterium. This genus is a group of insect pathogens which live in a mutualistic relationship with the soil nematode family Steinernematidae. Free-living, juvenile Steinernema spp. enter insect larvae through the digestive tract. They penetrate the larvae body cavity and release Xenorhabdus spp. into the hemolymph (blood). The bacteria multiply rapidly, killing the larvae, and providing suitable nutrient conditions for the growth and reproduction of the Steinernema spp. The nematode matures and reproduces. The new juveniles reassociate with Xenorhabdus spp. and are released into the soil.Xenorhabdus bovienii. Unlike Xenorhabdus nematophila, which is found in only in Steinernema carpocapsae, Xenorhabdus bovienii is associated with several different species of Steinernema.
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General Information: Acaryochloris marina MBIC11017 was isolated from algae from the coast of the Palau Islands in the western Pacific. Marine cyanobacterium. Acaryochloris marina was first isolated as an epiphyte of algae. M. marina been isolated from a variety of habitats and locations, usually associated with algae but also as free-living organisms. This cyanobacterium produces an atypical photosynthetic pigment, chlorophyll d, as the major reactive agent. The oxygenic photosynthesis based on this pigment may have evolved as an acclimatization to far-red light environments, or an as intermediate between the red-absorbing oxygenic and the far-red-absorbing anoxygenic photosynthesis that uses bacteriochlorophylls. Because of the unusual ratio of chlorophyll a to chlorophyll d in this organism, it has been used as a model to study the spectrographic characteristics of the two pigments.