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Query: NC_004061:237205 Buchnera aphidicola str. Sg (Schizaphis graminum), complete genome

Start: 237205, End: 260677, Length: 23473

Host Lineage: Buchnera aphidicola; Buchnera; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria

General Information: This strain is the symbiont of the aphid Schizaphis graminum and contains a large circular chromosome. Aphid endosymbiont. Almost all aphids contain maternally transmitted bacteriocyte cells, which themselves contain bacteria called Buchnera. The aphids live on a restricted diet (plant sap), rich in carbohydrates, but poor in nitrogenous or other essential compounds. It is believed that the Buchnera provide the essential nutrients the host lacks. Besides a nutritional co-dependence, due to a co-existence of millions of years, Buchnera have lost the ability to produce cell surface components such as lipopolysaccharides. This makes for an obligate endosymbiont relationship between host and Buchnera. Buchnera are prokaryotic cells which belong to the gamma-Proteobacteria, closely related to the Enterobacteriaceae family. Phylogenetic studies using 16S rRNA indicate that the symbiotic relationship was established around 200-250 million years ago. Since Buchnera are closely related to Escherichia coli and Haemophilus influenzae, comparative genomic studies can shed light on the evolutionary mechanisms of intracellular endosymbiosis as well as the different underlying molecular basis between organisms with parasitic behavior and symbionts.

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Islands with an asterisk (*) contain ribosomal proteins or RNA related elements and may indicate a False Positive Prediction!

Subject IslandStartEndLengthSubject Host DescriptionE-valueBit scoreVisual BLASTNVisual BLASTP
NC_004545:229771*22977125209922329Buchnera aphidicola str. Bp (Baizongia pistaciae), complete genome2e-53218BLASTN svgBLASTP svg
NC_012633:98000*9800012009922100Rickettsia africae ESF-5, complete genome2e-1385.7BLASTN svgBLASTP svg
NC_012985:465354*46535449959934246Candidatus Liberibacter asiaticus str. psy62, complete genome3e-1281.8BLASTN svgBLASTP svg
NC_010263:100000*10000012209922100Rickettsia rickettsii str. Iowa, complete genome5e-1177.8BLASTN svgBLASTP svg
NC_009882:100000*10000012209922100Rickettsia rickettsii str. 'Sheila Smith', complete genome5e-1177.8BLASTN svgBLASTP svg
NC_000963:83408*8340810609922692Rickettsia prowazekii str. Madrid E, complete genome5e-1177.8BLASTN svgBLASTP svg
NC_011565:385454*38545440309917646Candidatus Azobacteroides pseudotrichonymphae genomovar. CFP2,2e-1075.8BLASTN svgBLASTP svg
NC_006831:821000*82100084424623247Ehrlichia ruminantium str. Gardel, complete genome2e-0765.9BLASTN svgBLASTP svg
NC_006832:825000*82500084423819239Ehrlichia ruminantium str. Welgevonden, complete genome2e-0765.9BLASTN svgBLASTP svg
NC_009654:2958316*2958316298838530070Marinomonas sp. MWYL1, complete genome2e-0765.9BLASTN svgBLASTP svg
NC_005295:845000*84500086826523266Ehrlichia ruminantium str. Welgevonden, complete genome2e-0765.9BLASTN svgBLASTP svg
NC_014802:392852*39285241656323712Campylobacter jejuni subsp. jejuni ICDCCJ07001 chromosome, complete7e-0763.9BLASTN svgBLASTP svg
NC_011772:38966353896635391470718073Bacillus cereus G9842, complete genome7e-0763.9BLASTN svgBLASTP svg
NC_008787:390215*39021541172121507Campylobacter jejuni subsp. jejuni 81-176, complete genome7e-0763.9BLASTN svgBLASTP svg
NC_018677:329829*32982935599926171Candidatus Portiera aleyrodidarum BT-B-HRs chromosome, complete3e-0661.9BLASTN svgBLASTP svg
NC_018507:339000*33900036299924000Candidatus Portiera aleyrodidarum BT-B chromosome, complete genome3e-0661.9BLASTN svgBLASTP svg