{"id":8711,"date":"2024-08-14T19:20:56","date_gmt":"2024-08-14T19:20:56","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8711"},"modified":"2024-08-14T19:20:56","modified_gmt":"2024-08-14T19:20:56","slug":"streptomyces-ardus-ws-65090-and-their-biological-activities","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/streptomyces-ardus-ws-65090-y-sus-actividades-biologicas\/","title":{"rendered":"Estudio de compuestos de teleocidina producidos por Streptomyces ardus WS-65090 y sus actividades biol\u00f3gicas"},"content":{"rendered":"<p>Estudio de compuestos de teleocidina producidos por Streptomyces ardus WS-65090 y sus actividades biol\u00f3gicas<br \/>\nLos microorganismos proporcionan una gran cantidad de recursos de compuestos principales para el desarrollo de f\u00e1rmacos y pesticidas. Streptomyces es uno de los principales grupos de actinomicetos, con diversas estructuras de metabolitos secundarios y una importante actividad biol\u00f3gica. Se considera una fuente de muchos antibi\u00f3ticos y fuentes potenciales de f\u00e1rmacos. En los \u00faltimos a\u00f1os, algunos metabolitos con buena actividad biol\u00f3gica se han descubierto a partir de Streptomyces, tales como aldgamicina P, un nuevo compuesto lip\u00eddico macroc\u00edclico aislado de Streptomyces sp. KIB-K1, que tiene un efecto inhibidor significativo sobre Staphylococcus aureus con un valor MIC de 7,81 \u03bc g \/ ml. Los compuestos endostemoninas A-J son derivados naturales de pirrol-2-carboxilato aislados e identificados por primera vez a partir de una cepa de Streptomyces BS-1. Presentan una fuerte actividad letal contra Staphylococcus spp. Muestran una fuerte actividad letal contra los pulgones del algod\u00f3n, con un valor LC50 de 72 horas que oscila entre 3,55-32,00mg\/L.<br \/>\nEn el proceso de b\u00fasqueda de metabolitos activos de actinomicetos, descubrimos que un extracto fermentado de Streptomyces ardus WS65090 ten\u00eda una buena actividad insecticida. Para aclarar sus metabolitos activos, se aisl\u00f3 y purific\u00f3, y se obtuvieron algunos compuestos de teleocidina. La teleocidina se aisl\u00f3 por primera vez como sustancia t\u00f3xica a partir del extracto metan\u00f3lico del micelio del Streptomyces mediterr\u00e1neo en 1960. Tiene un esqueleto \u00fanico de indol lactama con estereois\u00f3meros A1, A2, B-1, B-2, B-3 y B-46, y ha atra\u00eddo mucha atenci\u00f3n debido a su estructura \u00fanica y a sus diversas actividades biol\u00f3gicas. En la actualidad, se han aislado de microorganismos varios compuestos relacionados con la estructura de la teleocidina, como la lyngbyatoxina A~C, la olivoretina A~C, la teleocidina A 14-O - (N-acetilglucosaminil) y la 2-oxo teleocidina A1. Estos compuestos presentan importantes actividades biol\u00f3gicas, como irritantes cut\u00e1neos, promotores de tumores, activadores de la PKC y actividad citot\u00f3xica. Los nuevos an\u00e1logos de clase B de la teleocidina y sus actividades insecticida y citot\u00f3xica descritos en este estudio enriquecen los tipos estructurales y las actividades de tales compuestos, as\u00ed como los tipos de metabolitos activos de Streptomyces, proporcionando datos b\u00e1sicos para su investigaci\u00f3n en agricultura.<\/p>\n<p>Se aislaron cinco compuestos teleocid\u00ednicos del extracto fermentado de Streptomyces ardus WS-65090, todos los cuales presentan actividades insecticidas y citot\u00f3xicas. Entre ellos, la 14-O-acetiltoleocidina B-2 (1) es un nuevo compuesto, y la 14-O-acetiltoleocidina B-3 (2) es un nuevo producto natural, y por primera vez se han elaborado los datos de su espectro de resonancia magn\u00e9tica nuclear. Tambi\u00e9n es la primera vez en los \u00faltimos a\u00f1os que se a\u00edslan de cepas de Streptomyces derivadas del suelo compuestos del tipo de la teleocidina B con actividad insecticida contra el gusano militar del oto\u00f1o, el gusano de la c\u00e1psula del algod\u00f3n, la polilla diamondback y los \u00e1fidos. Adem\u00e1s, estos dos nuevos an\u00e1logos de teleocidina contienen grupos acetilo en C-14, y su actividad insecticida es mayor que la de los tres compuestos conocidos. Bas\u00e1ndose en los resultados experimentales de la actividad citot\u00f3xica, se demuestra que el grupo acetilo en la posici\u00f3n C-14 de los an\u00e1logos de teleocidina tiene un impacto significativo en su actividad biol\u00f3gica. Las actividades biol\u00f3gicas de los compuestos de teleocidina se centran principalmente en actividades m\u00e9dicas. Los compuestos descritos en este estudio enriquecen los tipos de compuestos de teleocidina, ampl\u00edan sus actividades biol\u00f3gicas y proporcionan exploraci\u00f3n para su investigaci\u00f3n en agricultura.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on teleocidin compounds produced by Streptomyces ardus WS-65090 and their biological activities Microorganisms provide a large amount of lead compound resources for the development of drugs and pesticides. Streptomyces is a major group of actinomycetes, with diverse secondary metabolite structures and significant biological activity. It is considered a source of many antibiotics and potential [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on teleocidin compounds produced by Streptomyces ardus WS-65090 and their biological activities - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/es\/streptomyces-ardus-ws-65090-y-sus-actividades-biologicas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on teleocidin compounds produced by Streptomyces ardus WS-65090 and their biological activities - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on teleocidin compounds produced by Streptomyces ardus WS-65090 and their biological activities Microorganisms provide a large amount of lead compound resources for the development of drugs and pesticides. Streptomyces is a major group of actinomycetes, with diverse secondary metabolite structures and significant biological activity. 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