{"id":8257,"date":"2024-08-11T21:07:06","date_gmt":"2024-08-11T21:07:06","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8257"},"modified":"2024-08-11T21:07:06","modified_gmt":"2024-08-11T21:07:06","slug":"chemical-constituents-of-marine-streptomyces-sp-rssa1","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/deni\u0307z-streptomyces-sp-rssa1i\u0307n-ki\u0307myasal-bi\u0307lesenleri\u0307\/","title":{"rendered":"G\u00fcney \u00c7in Denizi'nden deniz Streptomyces sp. rssa1'in kimyasal bile\u015fenleri"},"content":{"rendered":"<p>G\u00fcney \u00c7in Denizi'nden deniz Streptomyces sp. rssa1'in kimyasal bile\u015fenleri<br \/>\nDeniz aktinomisetleri, makrolidler, alkaloidler, peptidler, kinonlar vb. gibi \u00e7e\u015fitli yap\u0131sal tiplere sahip \u00e7e\u015fitli biyoaktif maddeler \u00fcretebilen de\u011ferli bir t\u0131bbi mikrobiyal kaynak s\u0131n\u0131f\u0131d\u0131r. Antibakteriyel bile\u015fiklerin ara\u015ft\u0131r\u0131lmas\u0131nda b\u00fcy\u00fck bir potansiyele sahiptirler. Schinke ve arkada\u015flar\u0131, 2010-2015 y\u0131llar\u0131 aras\u0131nda deniz bakterilerinden elde edilen antibakteriyel bile\u015fiklerin 69%'sinin deniz aktinomisetlerinden elde edildi\u011fini tespit etmi\u015ftir. Deniz ortam\u0131n\u0131n benzersiz do\u011fas\u0131 nedeniyle, deniz aktinomisetleri fizyolojik, biyokimyasal ve genetik arka plan \u00f6zellikleri bak\u0131m\u0131ndan karasal aktinomisetlerden farkl\u0131d\u0131r ve bu da deniz aktinomisetlerinden aktif molek\u00fcller aramay\u0131 olduk\u00e7a umut verici hale getirmektedir.<\/p>\n<p>Son y\u0131llarda, ara\u015ft\u0131rma ekibimiz G\u00fcney \u00c7in Denizi'ndeki deniz organizmalar\u0131n\u0131n simbiyotik ve epifitik aktinomisetlerinden yeni yap\u0131ya sahip baz\u0131 aktif molek\u00fcller bulmu\u015ftur. Son zamanlarda, \u00c7in'in Hainan eyaletindeki Xisha Adalar\u0131'ndan toplanan mercan \u00f6rneklerinden antibakteriyel aktiviteye sahip bir deniz streptomyces sp. rssa1 su\u015fu izole ettik ve tarad\u0131k, ancak antibakteriyel maddeleri net de\u011fil. Bu su\u015f taraf\u0131ndan \u00fcretilen aktif bile\u015fenleri ke\u015ffetmek amac\u0131yla, bu makalede ilk olarak kat\u0131 fermantasyon i\u00e7in pirin\u00e7 kat\u0131 k\u00fclt\u00fcr ortam\u0131 kullan\u0131lm\u0131\u015f, fermantasyon \u00fcr\u00fcnlerinin kimyasal bile\u015fimi sistematik olarak incelenmi\u015f ve aktivitesi taranm\u0131\u015ft\u0131r.<\/p>\n<p>Aktinobakteriler de\u011ferli t\u0131bbi mikroorganizmalar\u0131n bir s\u0131n\u0131f\u0131d\u0131r ve bug\u00fcne kadar ke\u015ffedilen do\u011fal antibiyotiklerin yakla\u015f\u0131k \u00fc\u00e7te ikisi aktinomisetlerden, \u00f6zellikle de Streptomyces'ten elde edilmi\u015ftir. Bu makalede, mercandan elde edilen Streptomyces sp. rssa1 metabolitlerinden 10 bile\u015fik izole edilmi\u015f ve tan\u0131mlanm\u0131\u015ft\u0131r. Bunlar aras\u0131nda, bile\u015fik 1 ve 2 s\u0131ras\u0131yla tetrasiklin A ve B idi ve bile\u015fik 3, kanglemisin M ad\u0131 verilen bir benzonaftokinon bile\u015fi\u011fiydi. Aktivite taramas\u0131, RAW 264.7 makrofajlar\u0131na kar\u015f\u0131 sitotoksik aktiviteye sahip oldu\u011funu g\u00f6sterdi ve \u00c7in'deki deniz aktinomisetlerinin do\u011fal \u00fcr\u00fcn k\u00fct\u00fcphanesini daha da zenginle\u015ftirdi. Bile\u015fik 4, bir diketopiperazin t\u00fcr\u00fc olan bir diketopiperazin bile\u015fi\u011fidir. Li ve arkada\u015flar\u0131, bile\u015fi\u011fin nematod \u00f6ld\u00fcrme aktivitesine sahip oldu\u011funu ve nematoda (Panagrellus redivivus) kar\u015f\u0131 48 saatlik \u00f6l\u00fcm oran\u0131n\u0131n 40% oldu\u011funu bildirmi\u015ftir. Bu makale, deniz Streptomyces'ten nematod \u00f6ld\u00fcrme aktivitesine sahip bile\u015fik 4'\u00fc ke\u015ffeden ilk makaledir ve bakterinin mahsul k\u00f6k d\u00fc\u011f\u00fcm nematod hastal\u0131klar\u0131n\u0131n \u00f6nlenmesi ve kontrol\u00fcnde de\u011ferli olabilece\u011fini g\u00f6stermektedir. Ayr\u0131ca bile\u015fi\u011fin Vibrio alginolyticus'a kar\u015f\u0131 zay\u0131f inhibit\u00f6r aktiviteye sahip oldu\u011fu ve sucul Vibrio hastal\u0131klar\u0131n\u0131n \u00f6nlenmesi ve kontrol\u00fcne y\u00f6nelik ila\u00e7lar\u0131n geli\u015ftirilmesi i\u00e7in ipu\u00e7lar\u0131 sa\u011flad\u0131\u011f\u0131 bulunmu\u015ftur. 5-10 numaral\u0131 bile\u015fikler yayg\u0131n indol veya benzen i\u00e7eren basit bile\u015fiklerdir. Bunlar aras\u0131nda, ilk olarak Jin ve arkada\u015flar\u0131 taraf\u0131ndan Salsola bitkisinden ke\u015ffedilen 7 numaral\u0131 bile\u015fik, 0,556 mg\/mL konsantrasyonda 44% inhibisyon oran\u0131 ile g\u00fc\u00e7l\u00fc \u03b1-amilaz inhibit\u00f6r aktivitesine sahiptir.<\/p>\n<p>Polien makrolidler, k\u00fcf ve mayay\u0131 inhibe edebilen natamisin gibi olduk\u00e7a etkili ve geni\u015f spektrumlu bir antifungal antibiyotik s\u0131n\u0131f\u0131d\u0131r ve iyi fizikokimyasal stabiliteleri nedeniyle do\u011fal g\u0131da koruyucular\u0131 ve antibakteriyel katk\u0131 maddeleri olarak kullan\u0131l\u0131rlar. Bu \u00e7al\u0131\u015fmada izole edilen 1 ve 2 numaral\u0131 bile\u015fikler s\u0131ras\u0131yla tetrasiklin A ve B olarak tan\u0131mlanm\u0131\u015ft\u0131r. Her iki bile\u015fik de 25 karbon atomundan olu\u015fan bir lakton halkas\u0131 iskeletine, 4 konjuge \u00e7ift ba\u011fa ve halka \u00fczerinde \u00e7oklu hidroksil gruplar\u0131na sahiptir. 15. hidroksil grubu bir glikozidik ba\u011f arac\u0131l\u0131\u011f\u0131yla bir amino \u015fekere ba\u011flan\u0131r. \u015eu anda ke\u015ffedilen tetrasiklin \u00fcreten bakterilerin hepsi Streptomyces aktinomisetleridir, ilk olarak Dornberger ve arkada\u015flar\u0131 taraf\u0131ndan Streptomyces noursei'den ke\u015ffedilmi\u015flerdir ve yonca k\u00f6k \u00e7\u00fcr\u00fckl\u00fc\u011f\u00fc mantar\u0131 ve pirin\u00e7 patlamas\u0131 mantar\u0131 gibi tar\u0131msal patojenik mantarlar \u00fczerinde g\u00fc\u00e7l\u00fc inhibit\u00f6r etkilere sahiptirler. Bununla birlikte, tetrasiklin A ve B'nin g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131 alt\u0131ndaki karars\u0131z kimyasal yap\u0131s\u0131 nedeniyle, ultraviyole radyasyona duyarl\u0131d\u0131rlar, bu da tar\u0131msal \u00fcretimde do\u011frudan uygulamalar\u0131n\u0131 s\u0131n\u0131rlar. Zhang ve arkada\u015flar\u0131, tetrasiklin A ve B'nin d\u00fc\u015f\u00fck konsantrasyonlarda Aspergillus flavus \u00fczerinde iyi bakterisidal etkilere sahip oldu\u011funu, en d\u00fc\u015f\u00fck bakterisidal konsantrasyonlar\u0131n s\u0131ras\u0131yla 3,13 ve 12,56 \u03bc g\/mL oldu\u011funu bulmu\u015flard\u0131r. D\u00fc\u015f\u00fck toksisiteleri ve memeliler \u00fczerinde yan etkilerinin olmamas\u0131 nedeniyle, polien makrolidler g\u0131da ve yem i\u00e7in antifungal ajanlar olma potansiyeline sahiptir. Bu makalede, G\u00fcney \u00c7in Denizi'ndeki mercanlardan elde edilen Streptomyces su\u015fu rssa1'den olduk\u00e7a etkili antifungal bile\u015fikler olan tetrasiklin A ve tetrasiklin B ilk kez ke\u015ffedilmi\u015ftir. Bir\u00e7ok \u00e7al\u0131\u015fma, t\u0131p ve tar\u0131msal hastal\u0131k kontrol\u00fc alanlar\u0131nda iyi uygulama olanaklar\u0131na sahip olduklar\u0131n\u0131 g\u00f6sterdi\u011finden, bu bakteri verimli, d\u00fc\u015f\u00fck toksisiteli ila\u00e7lar ve ye\u015fil biyokontrol ajanlar\u0131 geli\u015ftirmek i\u00e7in \u00f6nemli bir t\u00fcr kayna\u011f\u0131 olabilir. Bu ke\u015fif ayn\u0131 zamanda \u00c7in'deki tropikal deniz organizmalar\u0131ndan t\u0131bbi ve tar\u0131msal de\u011feri olan aktinomiset kaynaklar\u0131n\u0131n ara\u015ft\u0131r\u0131lmas\u0131 i\u00e7in \u00f6nemli ipu\u00e7lar\u0131 sa\u011flamaktad\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>G\u00fcney \u00c7in Denizi'nden deniz Streptomyces sp. rssa1'in kimyasal bile\u015fenleri Deniz aktinomisetleri, makrolidler, alkaloidler, peptidler, kinonlar vb. gibi \u00e7e\u015fitli yap\u0131sal tiplere sahip \u00e7e\u015fitli biyoaktif maddeler \u00fcretebilen de\u011ferli t\u0131bbi mikrobiyal kaynaklar s\u0131n\u0131f\u0131d\u0131r. Antibakteriyel bile\u015fiklerin ara\u015ft\u0131r\u0131lmas\u0131nda b\u00fcy\u00fck bir potansiyele sahiptirler. Schinke ve arkada\u015flar\u0131 [...]<\/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>Chemical constituents of marine Streptomyces sp. rssa1 from the South China Sea - 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\/tr\/deni\u0307z-streptomyces-sp-rssa1i\u0307n-ki\u0307myasal-bi\u0307lesenleri\u0307\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemical constituents of marine Streptomyces sp. rssa1 from the South China Sea - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Chemical constituents of marine Streptomyces sp. rssa1 from the South China Sea Marine actinomycetes are a class of valuable medicinal microbial resources that can produce a variety of bioactive substances with diverse structural types, such as macrolides, alkaloids, peptides, quinones, etc. They have great potential in the exploration of antibacterial compounds. 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