{"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\/hu\/a-tengeri-streptomyces-sp-rssa1-kemiai-osszetevoi\/","title":{"rendered":"A D\u00e9l-k\u00ednai-tengerb\u0151l sz\u00e1rmaz\u00f3 tengeri Streptomyces sp. rssa1 k\u00e9miai \u00f6sszetev\u0151i"},"content":{"rendered":"<p>A D\u00e9l-k\u00ednai-tengerb\u0151l sz\u00e1rmaz\u00f3 tengeri Streptomyces sp. rssa1 k\u00e9miai \u00f6sszetev\u0151i<br \/>\nA tengeri aktinomicit\u00e1k az \u00e9rt\u00e9kes gy\u00f3gy\u00e1szati mikrobi\u00e1lis er\u0151forr\u00e1sok egy oszt\u00e1ly\u00e1t alkotj\u00e1k, amelyek sz\u00e1mos bioakt\u00edv anyagot k\u00e9pesek el\u0151\u00e1ll\u00edtani k\u00fcl\u00f6nb\u00f6z\u0151 szerkezeti t\u00edpusokkal, mint p\u00e9ld\u00e1ul makrolidok, alkaloidok, peptidek, kinonok stb. Nagy potenci\u00e1llal rendelkeznek az antibakteri\u00e1lis vegy\u00fcletek felt\u00e1r\u00e1s\u00e1ban. Schinke \u00e9s munkat\u00e1rsai meg\u00e1llap\u00edtott\u00e1k, hogy a 2010 \u00e9s 2015 k\u00f6z\u00f6tt tengeri bakt\u00e9riumokb\u00f3l sz\u00e1rmaz\u00f3 antibakteri\u00e1lis vegy\u00fcletek k\u00f6z\u00fcl 69% tengeri aktinomyc\u00e9t\u00e1kb\u00f3l sz\u00e1rmazott. A tengeri k\u00f6rnyezet egyedi jellege miatt a tengeri aktinomicit\u00e1k fiziol\u00f3giai, biok\u00e9miai \u00e9s genetikai h\u00e1tt\u00e9rjellemz\u0151kben k\u00fcl\u00f6nb\u00f6znek a sz\u00e1razf\u00f6ldi aktinomicit\u00e1kt\u00f3l, \u00edgy rendk\u00edv\u00fcl \u00edg\u00e9retes a tengeri aktinomicit\u00e1kb\u00f3l sz\u00e1rmaz\u00f3 akt\u00edv molekul\u00e1k keres\u00e9se.<\/p>\n<p>Az elm\u00falt \u00e9vekben kutat\u00f3csoportunk a D\u00e9l-k\u00ednai-tenger tengeri \u00e9l\u0151l\u00e9nyeinek szimbionta \u00e9s epifita aktinomyc\u00e9t\u00e1ib\u00f3l \u00faj szerkezet\u0171 akt\u00edv molekul\u00e1kat tal\u00e1lt. Nemr\u00e9giben izol\u00e1ltunk \u00e9s \u00e1tvil\u00e1g\u00edtottunk egy tengeri streptomyces sp. rssa1 t\u00f6rzset antibakteri\u00e1lis aktivit\u00e1ssal a k\u00ednai Hainanban, a Xisha-szigetekr\u0151l gy\u0171jt\u00f6tt korallmint\u00e1kb\u00f3l, de antibakteri\u00e1lis anyagai nem egy\u00e9rtelm\u0171ek. A t\u00f6rzs \u00e1ltal termelt hat\u00f3anyagok felt\u00e1r\u00e1sa \u00e9rdek\u00e9ben ez a cikk el\u0151sz\u00f6r rizs szil\u00e1rd t\u00e1ptalajt haszn\u00e1lt szil\u00e1rd ferment\u00e1ci\u00f3hoz, szisztematikusan tanulm\u00e1nyozta ferment\u00e1ci\u00f3s term\u00e9keinek k\u00e9miai \u00f6sszet\u00e9tel\u00e9t, \u00e9s sz\u0171rte aktivit\u00e1s\u00e1t.<\/p>\n<p>Az aktinobakt\u00e9riumok az \u00e9rt\u00e9kes gy\u00f3gy\u00e1szati mikroorganizmusok oszt\u00e1ly\u00e1t alkotj\u00e1k, \u00e9s az eddig felfedezett term\u00e9szetes antibiotikumok k\u00f6zel k\u00e9tharmada aktinomicet\u00e1kb\u00f3l, k\u00fcl\u00f6n\u00f6sen a Streptomycesb\u0151l sz\u00e1rmazik. Ebben a cikkben 10 vegy\u00fcletet izol\u00e1ltak \u00e9s azonos\u00edtottak a korallb\u00f3l sz\u00e1rmaz\u00f3 Streptomyces sp. rssa1 metabolitjaib\u00f3l. K\u00f6z\u00fcl\u00fck az 1. \u00e9s 2. vegy\u00fclet tetraciklin A \u00e9s B volt, a 3. vegy\u00fclet pedig egy benzonaftokinon vegy\u00fclet, a kanglemycin M. Az aktivit\u00e1si sz\u0171r\u00e9s kimutatta, hogy citotoxikus aktivit\u00e1ssal rendelkezik RAW 264.7 makrof\u00e1gokkal szemben, tov\u00e1bb gazdag\u00edtva a tengeri aktinomicit\u00e1k term\u00e9szetes term\u00e9kk\u00f6nyvt\u00e1r\u00e1t K\u00edn\u00e1ban. A 4. vegy\u00fclet egy diketopiperazin vegy\u00fclet, amely a diketopiperazin egyik t\u00edpusa. Li \u00e9s munkat\u00e1rsai arr\u00f3l sz\u00e1moltak be, hogy a vegy\u00fclet fon\u00e1lf\u00e9reg-\u00f6l\u0151 aktivit\u00e1ssal rendelkezik, a fon\u00e1lf\u00e9reggel (Panagrellus redivivus) szembeni 48 \u00f3r\u00e1s hal\u00e1loz\u00e1si ar\u00e1ny 40% volt. Ez a cikk az els\u0151, amely tengeri Streptomycesb\u0151l sz\u00e1rmaz\u00f3, nemat\u00f3da\u00f6l\u0151 aktivit\u00e1ssal rendelkez\u0151 4. vegy\u00fcletet fedezett fel, ami azt jelzi, hogy a bakt\u00e9rium \u00e9rt\u00e9kes lehet a n\u00f6v\u00e9nyi gy\u00f6k\u00e9rgomb\u00e1sod\u00e1si betegs\u00e9gek megel\u0151z\u00e9s\u00e9ben \u00e9s lek\u00fczd\u00e9s\u00e9ben. Azt is meg\u00e1llap\u00edtott\u00e1k, hogy a vegy\u00fclet gyenge g\u00e1tl\u00f3 hat\u00e1ssal rendelkezik a Vibrio alginolyticus ellen, ami t\u00e1mpontokat ad a v\u00edzi Vibrio-betegs\u00e9gek megel\u0151z\u00e9s\u00e9re \u00e9s lek\u00fczd\u00e9s\u00e9re szolg\u00e1l\u00f3 gy\u00f3gyszerek kifejleszt\u00e9s\u00e9hez. Az 5-10 vegy\u00fcletek gyakori indol- vagy benzol tartalm\u00fa egyszer\u0171 vegy\u00fcletek. K\u00f6z\u00fcl\u00fck a 7. vegy\u00fclet, amelyet el\u0151sz\u00f6r Jin \u00e9s munkat\u00e1rsai fedeztek fel a Salsola n\u00f6v\u00e9nyb\u0151l, er\u0151s \u03b1 - amil\u00e1z g\u00e1tl\u00f3 hat\u00e1ssal rendelkezik, g\u00e1tl\u00e1si r\u00e1t\u00e1ja 44% 0,556 mg\/ml koncentr\u00e1ci\u00f3ban.<\/p>\n<p>A poli\u00e9n makrolidok a rendk\u00edv\u00fcl hat\u00e9kony \u00e9s sz\u00e9les spektrum\u00fa gombaellenes antibiotikumok egy oszt\u00e1ly\u00e1t alkotj\u00e1k, mint p\u00e9ld\u00e1ul a natamicin, amelyek k\u00e9pesek g\u00e1tolni a pen\u00e9szgomb\u00e1k \u00e9s \u00e9leszt\u0151gomb\u00e1k kialakul\u00e1s\u00e1t, \u00e9s j\u00f3 fizikai-k\u00e9miai stabilit\u00e1suk miatt term\u00e9szetes \u00e9lelmiszer-konzerv\u00e1l\u00f3 \u00e9s antibakteri\u00e1lis adal\u00e9kanyagk\u00e9nt haszn\u00e1lj\u00e1k \u0151ket. Az ebben a tanulm\u00e1nyban izol\u00e1lt 1. \u00e9s 2. vegy\u00fcleteket tetraciklin A \u00e9s B vegy\u00fcletk\u00e9nt azonos\u00edtott\u00e1k. Mindk\u00e9t vegy\u00fclet laktongy\u0171r\u0171 v\u00e1za 25 sz\u00e9natomb\u00f3l \u00e1ll, 4 konjug\u00e1lt kett\u0151s k\u00f6t\u00e9ssel \u00e9s t\u00f6bb hidroxilcsoporttal a gy\u0171r\u0171n. A 15. hidroxilcsoport glikozidos k\u00f6t\u00e9ssel kapcsol\u00f3dik egy aminocukorhoz. A jelenleg felfedezett tetraciklin-termel\u0151 bakt\u00e9riumok mindegyike Streptomyces actinomycetes, amelyeket el\u0151sz\u00f6r Dornberger \u00e9s munkat\u00e1rsai fedeztek fel a Streptomyces noursei-b\u0151l, \u00e9s er\u0151s g\u00e1tl\u00f3 hat\u00e1ssal vannak a mez\u0151gazdas\u00e1gi patog\u00e9n gomb\u00e1kra, mint p\u00e9ld\u00e1ul a lucerna gy\u00f6k\u00e9rrothaszt\u00f3 gomb\u00e1ra \u00e9s a rizspuszt\u00edt\u00f3 gomb\u00e1ra. A tetraciklin A \u00e9s B napf\u00e9nyben instabil k\u00e9miai szerkezete miatt azonban \u00e9rz\u00e9kenyek az ultraibolya sug\u00e1rz\u00e1sra, ami korl\u00e1tozza k\u00f6zvetlen alkalmaz\u00e1sukat a mez\u0151gazdas\u00e1gi termel\u00e9sben. Zhang \u00e9s munkat\u00e1rsai meg\u00e1llap\u00edtott\u00e1k, hogy a tetraciklin A \u00e9s B j\u00f3 bakt\u00e9rium\u00f6l\u0151 hat\u00e1ssal van az Aspergillus flavusra alacsonyabb koncentr\u00e1ci\u00f3ban, a legalacsonyabb bakt\u00e9rium\u00f6l\u0151 koncentr\u00e1ci\u00f3 3,13, illetve 12,56 \u03bc g\/ml volt. Alacsony toxicit\u00e1suk \u00e9s az eml\u0151s\u00f6kre gyakorolt mell\u00e9khat\u00e1sok hi\u00e1nya miatt a poli\u00e9n makrolidok potenci\u00e1lisan az \u00e9lelmiszerekben \u00e9s takarm\u00e1nyokban alkalmazott gombaellenes szerek lehetnek. Ebben a cikkben fedezt\u00e9k fel el\u0151sz\u00f6r a d\u00e9l-k\u00ednai-tengeri korallokb\u00f3l sz\u00e1rmaz\u00f3 Streptomyces rssa1 t\u00f6rzsb\u0151l sz\u00e1rmaz\u00f3 tetraciklin A \u00e9s tetraciklin B-t, amelyek rendk\u00edv\u00fcl hat\u00e9kony gombaellenes vegy\u00fcletek. Mivel sz\u00e1mos tanulm\u00e1ny kimutatta, hogy j\u00f3 alkalmaz\u00e1si lehet\u0151s\u00e9geik vannak a gy\u00f3gy\u00e1szat \u00e9s a mez\u0151gazdas\u00e1gi betegs\u00e9gek elleni v\u00e9dekez\u00e9s ter\u00fclet\u00e9n, ez a bakt\u00e9rium fontos t\u00f6rzsforr\u00e1s lehet hat\u00e9kony, alacsony toxicit\u00e1s\u00fa gy\u00f3gyszerek \u00e9s z\u00f6ld biokontroll szerek kifejleszt\u00e9s\u00e9hez. Ez a felfedez\u00e9s fontos t\u00e1mpontokat ny\u00fajt a K\u00edn\u00e1ban \u00e9l\u0151 tr\u00f3pusi tengeri \u00e9l\u0151l\u00e9nyekb\u0151l sz\u00e1rmaz\u00f3, gy\u00f3gy\u00e1szati \u00e9s mez\u0151gazdas\u00e1gi \u00e9rt\u00e9kkel b\u00edr\u00f3 aktinomicita er\u0151forr\u00e1sok keres\u00e9s\u00e9hez is.<\/p>","protected":false},"excerpt":{"rendered":"<p>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. Schinke et al. found [&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>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\/hu\/a-tengeri-streptomyces-sp-rssa1-kemiai-osszetevoi\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\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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Schinke et al. found [&hellip;]","og_url":"https:\/\/longchangextracts.com\/hu\/a-tengeri-streptomyces-sp-rssa1-kemiai-osszetevoi\/","og_site_name":"China Chemical Manufacturer","article_published_time":"2024-08-11T21:07:06+00:00","author":"longcha9","twitter_card":"summary_large_image","twitter_misc":{"Szerz\u0151:":"longcha9","Becs\u00fclt olvas\u00e1si id\u0151":"4 perc"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/longchangextracts.com\/chemical-constituents-of-marine-streptomyces-sp-rssa1\/","url":"https:\/\/longchangextracts.com\/chemical-constituents-of-marine-streptomyces-sp-rssa1\/","name":"K\u00e9miai \u00f6sszetev\u0151i tengeri Streptomyces sp. rssa1 a D\u00e9l-k\u00ednai-tengerb\u0151l - K\u00edna K\u00e9miai Gy\u00e1rt\u00f3","isPartOf":{"@id":"https:\/\/longchangextracts.com\/#website"},"datePublished":"2024-08-11T21:07:06+00:00","dateModified":"2024-08-11T21:07:06+00:00","author":{"@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869"},"breadcrumb":{"@id":"https:\/\/longchangextracts.com\/chemical-constituents-of-marine-streptomyces-sp-rssa1\/#breadcrumb"},"inLanguage":"hu","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangextracts.com\/chemical-constituents-of-marine-streptomyces-sp-rssa1\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/longchangextracts.com\/chemical-constituents-of-marine-streptomyces-sp-rssa1\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangextracts.com\/"},{"@type":"ListItem","position":2,"name":"Chemical constituents of marine Streptomyces sp. rssa1 from the South China Sea"}]},{"@type":"WebSite","@id":"https:\/\/longchangextracts.com\/#website","url":"https:\/\/longchangextracts.com\/","name":"K\u00edna Vegyi Gy\u00e1rt\u00f3","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangextracts.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"hu"},{"@type":"Person","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869","name":"longcha9","image":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"longcha9"}}]}},"_links":{"self":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts\/8257"}],"collection":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/comments?post=8257"}],"version-history":[{"count":1,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts\/8257\/revisions"}],"predecessor-version":[{"id":8258,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts\/8257\/revisions\/8258"}],"wp:attachment":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/media?parent=8257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/categories?post=8257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/tags?post=8257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}