{"id":9010,"date":"2024-08-15T16:13:54","date_gmt":"2024-08-15T16:13:54","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9010"},"modified":"2024-08-15T16:13:54","modified_gmt":"2024-08-15T16:13:54","slug":"the-endophytic-strain-penicillium-crustosum-in-cordyceps-sinensis","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/den-endofytiske-stamme-penicillium-crustosum-i-cordyceps-sinensis\/","title":{"rendered":"Unders\u00f8gelse af de kemiske komponenter i den endofytiske stamme Penicillium crustosum i Cordyceps sinensis"},"content":{"rendered":"<p>Unders\u00f8gelse af de kemiske komponenter i den endofytiske stamme Penicillium crustosum i Cordyceps sinensis<br \/>\nOphiocordyceps sinensis er et kompleks af subfylum af den line\u00e6re svamp Ophiocordyceps og larverne af dens v\u00e6rtsinsekter af flagermusm\u00f8lfamilien. Det er en s\u00e6rlig art, der er udbredt i de h\u00f8jtliggende omr\u00e5der p\u00e5 Qinghai Tibet Plateau. Den har en flad natur, s\u00f8d smag og er gavnlig for lunger og nyrer. Den virker sliml\u00f8sende, stopper bl\u00f8dninger og giver n\u00e6ring til lunger og nyrer. P\u00e5 grund af de unikke terapeutiske virkninger af Cordyceps sinensis er eftersp\u00f8rgslen p\u00e5 markedet steget, og naturlig cordyceps er blevet overudnyttet, hvilket har f\u00f8rt til stadig mere knappe ressourcer og tiltrukket sig stor opm\u00e6rksomhed. Gennem langvarig coevolution kan endofytiske bakterier i traditionel kinesisk medicin producere aktive stoffer, der er de samme eller ligner dem i v\u00e6rtsplanten. For eksempel har tidligere unders\u00f8gelser rapporteret om udviklingen af Bailing-kapsler fra myceliet af Cordyceps sinensis isoleret fra Cordyceps sinensis, Jinshuibao-kapsler fra det fermenterede mycelium af Batworm Moth Penicillium og Zhiling-kapsler fra Batworm Moth. Derfor har endofytiske bakterier i Cordyceps sinensis et stort forskningspotentiale.<\/p>\n<p>Penicillium crustosum er en svamp, der tilh\u00f8rer sl\u00e6gten Penicillium i familien Discellaceae i ordenen Hemimycetes. Litteraturgennemgang: Unders\u00f8gelsen af sekund\u00e6re metabolitter i P. crustosum fokuserer p\u00e5 flydende fermentering, og en r\u00e6kke alkaloidforbindelser, herunder thiodiketopiperaziner, benzodiazepiner, indolditerpener, quinoliner og nye polyketidforbindelser med clavitol-enheder og gamma-butyrolacton-enheder er blevet isoleret. He et al. isolerede tre nye thiodiketopiperaziner og to analoger fra de sekund\u00e6re metabolitter af P. crustosum. Disse to forbindelser kan fremme gastrointestinal motilitet hos zebrafisk behandlet med nilr\u00f8d i doser p\u00e5 henholdsvis 8 \u03bc M og 16 \u03bc M. Yderligere interferens med atropin tyder p\u00e5, at forbindelserne kan ud\u00f8ve deres virkning ved at virke p\u00e5 det kolinerge nervesystem; Liu et al. isolerede en ny polyenforbindelse, et nyt diketopiperazin og tre kendte forbindelser fra P. crustosum. Det nye diketopiperazin F har cytotoksiske virkninger p\u00e5 K562-celler (humane kroniske myeloide leuk\u00e6miceller) med en IC50-v\u00e6rdi p\u00e5 12,7 \u03bc M; Feng et al. isolerede et par nye enantiomerer, en analog og en ny polyketidforbindelse fra deres flydende fermenteringsprodukter. Analogen viste en let h\u00e6mmende effekt p\u00e5 MV4-11-celler (humane myeloide monocytiske leuk\u00e6miceller) med en IC50-v\u00e6rdi p\u00e5 36,23 \u03bc M. Der er dog relativt lidt forskning i de faste fermenteringsprodukter fra P. crustosum rice. For yderligere at berige den kemiske information om Penicillium crustosum-metabolitter og sammenligne virkningerne af forskellige fermenteringsmetoder p\u00e5 deres sekund\u00e6re metabolitter og for at udvikle ressourcerne i Cordyceps sinensis med rimelighed bruger denne artikel forskellige kromatografiske separationsteknikker og moderne spektroskopiske teknikker til at dyrke den endofytiske svamp Penicillium crustosum i Cordyceps sinensis ved hj\u00e6lp af fast risfermentering og unders\u00f8ge den kemiske sammens\u00e6tning af dens metabolitter.<\/p>\n<p>Denne artikel isolerede 16 forbindelser fra det faste risfermenteringsprodukt fra den endofytiske svamp P. crustosum fra Cordyceps sinensis, hovedsageligt inklusive benzodiazepiner, indol-diterpener og quinolonalkaloider. Blandt dem er forbindelserne 1 og 2 nye naturprodukter, og forbindelserne 1-4, 6, 9, 12-14 og 16 blev isoleret fra denne svamp for f\u00f8rste gang. I lighed med de resultater, som forskerholdet opn\u00e5ede i den tidlige fase. Tidligere rapporter har vist, at alkaloider har en bred vifte af farmakologiske aktiviteter, s\u00e5som antitumor-, antiinflammatoriske og smertestillende virkninger. Denne artikel udf\u00f8rte indledende antibakterielle tests p\u00e5 de isolerede forbindelser, men ingen af dem viste signifikant h\u00e6mmende aktivitet. Det spekuleres i, at udv\u00e6lgelsen af teststammer er begr\u00e6nset, eller at disse forbindelser har andre biologiske aktiviteter. Litteraturen viser, at forbindelse 4 har en st\u00e6rk h\u00e6mmende effekt p\u00e5 influenza neuraminidase med en IC50-v\u00e6rdi p\u00e5 5,02 \u03bc M; Forbindelse 7 har h\u00e6mmende effekter p\u00e5 Balanus amphoteride og Bugula neritina og udviser antibegroning og antibakteriel aktivitet med EC50-v\u00e6rdier p\u00e5 henholdsvis 6,2 og 2,1 \u03bc g\/mL. Dette tyder p\u00e5, at vi kan udforske den biologiske aktivitet af s\u00e5danne forbindelser fra andre perspektiver, hvilket giver reference til efterf\u00f8lgende eksperimenter.<\/p>\n<p>Der er en betydelig forskel i typerne af metabolitter mellem flydende kultur af Penicillium crustosum og fast kultur af ris. De flydende kulturprodukter indeholder flere thiodiketonpiperazinforbindelser, som er blevet rapporteret at have st\u00e6rk toksicitet p\u00e5 grund af tilstedev\u00e6relsen af disulfidbindinger. Men alkaloiderne i risens faste fermenteringsprodukter har ikke svovlatomer, muligvis p\u00e5 grund af frav\u00e6ret af relevante elementer i kulturmediet. N\u00e5r man studerer de sekund\u00e6re metabolitter fra endofytiske bakterier i traditionel kinesisk medicin, kan man derfor opn\u00e5 nye bioaktive forbindelser ved at \u00e6ndre dyrkningsmetoden.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Chemical Components of the Endophytic Strain Penicillium crustosum in Cordyceps sinensis Ophiocordyceps sinensis is a complex of the subphylum of the linear fungus Ophiocordyceps and the larvae of its host bat moth family insects. It is a special species distributed in the high-altitude areas of the Qinghai Tibet Plateau. It has a [&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 the Chemical Components of the Endophytic Strain Penicillium crustosum in Cordyceps sinensis - 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\/da\/den-endofytiske-stamme-penicillium-crustosum-i-cordyceps-sinensis\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Chemical Components of the Endophytic Strain Penicillium crustosum in Cordyceps sinensis - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Chemical Components of the Endophytic Strain Penicillium crustosum in Cordyceps sinensis Ophiocordyceps sinensis is a complex of the subphylum of the linear fungus Ophiocordyceps and the larvae of its host bat moth family insects. 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