Pre_GI: BLASTN Hits

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Query: NC_003155:777216 Streptomyces avermitilis MA-4680, complete genome

Start: 777216, End: 795285, Length: 18070

Host Lineage: Streptomyces avermitilis; Streptomyces; Streptomycetaceae; Actinomycetales; Actinobacteria; Bacteria

General Information: This strain (ATCC 31267) was isolated and characterized in 1978 by R. Burg and colleagues from a soil sample collected in Shizuoka Prefecture, Japan. Antibiotic-producing bacterium. The characteristic earthy smell of freshly plowed soil is actually attributed to the aromatic terpenoid geosmin produced by species of Streptomyces. There are currently 364 known species of this genus, many of which are the most important industrial producers of antibiotics and other secondary metabolites of antibacterial, antifungal, antiviral, and antitumor nature, as well as immunosuppressants, antihypercholesterolemics, etc. Streptomycetes are crucial in the soil environment because their diverse metabolism allows them to degrade the insoluble remains of other organisms, including recalcitrant compounds such as lignocelluloses and chitin. Streptomycetes produce both substrate and aerial mycelium. The latter shows characteristic modes of branching, and in the course of the streptomycete complex life cycle, these hyphae are partly transformed into chains of spores, which are often called conidia or arthrospores. An important feature in Streptomyces is the presence of type-I peptidoglycan in the cell walls that contains characteristic interpeptide glycine bridges. Another remarkable trait of streptomycetes is that they contain very large (~8 million base pairs which is about twice the size of most bacterial genomes) linear chromosomes with distinct telomeres. These rearrangements consist of the deletion of several hundred kilobases, often associated with the amplification of an adjacent sequence, and lead to metabolic diversity within the Streptomyces group. Sequencing of several strains of Streptomyces is aimed partly on understanding the mechanisms involved in these diversification processes. This organism is a well known producer of the anti-parasitic agent avermectin which is widely used to rid livestock of worm and insect infestations and to protect large numbers of people from river blindness in sub-Saharan Africa.




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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_013093:1157476*1157476117633118856Actinosynnema mirum DSM 43827, complete genome4e-1177.8BLASTN svgBLASTP svg
NC_014318:85900788590078860983119754Amycolatopsis mediterranei U32 chromosome, complete genome1e-1385.7BLASTN svgBLASTP svg
NC_014318:7480669*7480669750464523977Amycolatopsis mediterranei U32 chromosome, complete genome4e-1177.8BLASTN svgBLASTP svg
NC_014318:3947845*3947845397099423150Amycolatopsis mediterranei U32 chromosome, complete genome8e-0660BLASTN svgBLASTP svg
NC_013235:2257899*2257899229859940701Nakamurella multipartita DSM 44233, complete genome9e-1279.8BLASTN svgBLASTP svg
NC_013235:42256542256544109918535Nakamurella multipartita DSM 44233, complete genome9e-0969.9BLASTN svgBLASTP svg
NC_010571:2943369*2943369297798634618Opitutus terrae PB90-1, complete genome2e-0661.9BLASTN svgBLASTP svg
NC_003155:62299362299365432631334Streptomyces avermitilis MA-4680, complete genome3e-33151BLASTN svgBLASTP svg