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Query: NC_005126:1223042:1252393 Photorhabdus luminescens subsp. laumondii TTO1, complete genome

Start: 1252393, End: 1252794, Length: 402

Host Lineage: Photorhabdus luminescens; Photorhabdus; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria

General Information: This strain was isolated on Trinidad and Tobago. It is a symbiont of the nematode Heterorhabditis bacteriophora. Bioluminescent bacterium. This organism is unusual in that it is symbiotic within one insect, and pathogenic in another, the only organism that is known to exhibit this dual phenotype. Enzymes are then released by the bacteria that result in rapid degradation of the insect body, allowing both bacteria and nematode to feed and reproduce. During this period Photorhabdus luminescens releases bacteriocidal products, including antibiotics and bacteriocins, that prevent infection of the larva by competitive microbes. The result is promotion of Photorhabdus luminescens-nematode interactions that result in continuation of the symbiotic relationship. In order to engage in a symbiotic relationship with the nematode and a pathogenic one with the insect larva, the bacterium encodes specific factors that encourage both. These include a large number of genes that code for secreted toxins and enzymes, as well as genes that encode products for the production of antibiotics and bacteriocins. Secretion of these products occurs by an array of systems including type I, type II, and type III secretion systems. The type III system is closely related to the Yersinia plasmid-encoded type III system. Genes that promote symbiotic relationships are also encoded on genomic islands on the chromosome including some that affect nematode development. Virulence genes appear to be active during exponential growth. Symbiotic genes appear to function during stationary phase (post-exponential) growth. The switch from one state to another is controlled. Photorhabdus luminescens is capable of giving off light, a complex process that requires the products of the lux operon.

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SubjectStartEndLengthSubject Host DescriptionCDS descriptionE-valueBit score
NC_009832:4521585:455013245501324550497366Serratia proteamaculans 568, complete genomehypothetical protein6e-1786.3
NC_014029:331919:366559366559366924366Yersinia pestis Z176003 chromosome, complete genomehypothetical protein6e-1682.8
NC_004547:611178:630682630682631023342Erwinia carotovora subsp. atroseptica SCRI1043, complete genomehypothetical protein2e-1581.3
NC_014228:3534378:353930135393013539609309Xenorhabdus nematophila ATCC 19061, complete genomehypothetical protein1e-1375.5
NC_015566:316340:336174336174336539366Serratia sp. AS12 chromosome, complete genomeintegrating conjugative element membrane protein1e-1375.5
NC_013892:3278647:330530433053043305681378Xenorhabdus bovienii SS-2004 chromosome, complete genomehypothetical protein9e-1475.5
NC_013892:1483000:149235514923551492663309Xenorhabdus bovienii SS-2004 chromosome, complete genomehypothetical protein8e-1475.5
NC_009708:4182460:418913141891314189481351Yersinia pseudotuberculosis IP 31758 chromosome, complete genomehypothetical protein2e-1167.4
NC_013716:3512950:353742035374203537746327Citrobacter rodentium ICC168, complete genomehypothetical protein3e-0650.8
NC_006513:1379735:144237614423761442744369Azoarcus sp. EbN1, complete genomehypothetical protein8e-0648.9