{"id":8780,"date":"2024-08-14T19:59:40","date_gmt":"2024-08-14T19:59:40","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8780"},"modified":"2024-08-14T19:59:40","modified_gmt":"2024-08-14T19:59:40","slug":"mycorrhizal-fungi-in-dendrobium-huoshanense","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/mycorrhizal-fungi-in-dendrobium-huoshanense\/","title":{"rendered":"Unders\u00f8gelse af mangfoldigheden og forskellene af mykorrhizasvampe i Dendrobium huoshanense"},"content":{"rendered":"<p>Unders\u00f8gelse af mangfoldigheden og forskellene af mykorrhizasvampe i Dendrobium huoshanense<br \/>\nDendrobium huoshanense C. Z. Tang et S. J. Cheng, der stammer fra Orchidaceae-sl\u00e6gten, er en fler\u00e5rig urteagtig plante, der har virkningerne af at forbedre menneskets immunitet, antioxidation, reparere leverskader og forhindre forekomsten af hjerte-kar-sygdomme. Huoshan Dendrobium har ikke kun stor sundhedsm\u00e6ssig og medicinsk v\u00e6rdi, men har ogs\u00e5 en lang forbrugshistorie; I de senere \u00e5r, hvor flere og flere mennesker er opm\u00e6rksomme p\u00e5 sundhedsprodukter, er deres markedseftersp\u00f8rgsel l\u00f8bende steget. Huoshan Dendrobium bruges ofte som medicin, n\u00e5r den er tre \u00e5r gammel, og kvaliteten af medicinske materialer varierer mellem forskellige v\u00e6kst\u00e5r af Huoshan Dendrobium. Dendrobium-planternes v\u00e6kstform er aksial v\u00e6kst. N\u00e5r hovedaksen n\u00e5r et vist v\u00e6kststadie, holder den op med at vokse og begynder at producere sideknopper for at danne en ny akse. Efter at have n\u00e5et et vist stadie forts\u00e6tter sideknopperne med at vokse p\u00e5 den nye akse og danne en ny akse, og planten forts\u00e6tter med at vokse i denne cyklus. If\u00f8lge spiringstiden er Dendrobium huoshanense opdelt i tre\u00e5rige st\u00e6ngler (\u2162 Y3), to\u00e5rige st\u00e6ngler (\u2162 Y2) og et\u00e5rige st\u00e6ngler (\u2162 Y1), der svarer til henholdsvis r\u00f8dderne \u2162 R3, \u2162 R2 og \u2162 R1; P\u00e5 samme m\u00e5de kan to \u00e5r gamle Dendrobium huoshanense opdeles i et\u00e5rige st\u00e6ngler (IIY1) og to\u00e5rige st\u00e6ngler (IIY2), svarende til henholdsvis r\u00f8dderne IIR1 og IIR2. Et \u00e5r gammel Dendrobium huoshanense er IY1, svarende til rod IR1. Forskning har vist, at mikroorganismers indvirkning p\u00e5 orkid\u00e9er ikke kun er relateret til fr\u00f8spiring, men ogs\u00e5 fremmer v\u00e6kst, udvikling og ophobning af komponenter.<br \/>\nHidtil er forskningen i Dendrobium officinales mykorrhizasvampe generelt blevet udf\u00f8rt ved hj\u00e6lp af traditionelle dyrknings- og isoleringsmetoder. De rapporterede sl\u00e6gter omfatter Rhizoctonia og Alternaria fra Deuteromycota, Chaetomium, Xylaria, Colletotrichum, Fusarium, Tulasnella, Mycena, Sebacina og Ceramicutes fra Ascomycota. Sl\u00e6gten Ceratobasidium osv. Podning af mykorrhizasvampe p\u00e5 Dendrobium-planter fremmer ikke kun plantev\u00e6ksten, men har ogs\u00e5 forskellige grader af t\u00f8rke- og sygdomsresistens samt fremmer ophobningen af dendrobine og polysaccharider. Selv om der har v\u00e6ret mange unders\u00f8gelser af endofytiske svampe i Dendrobium-planter ved hj\u00e6lp af traditionelle dyrknings- og isoleringsmetoder i de senere \u00e5r, kan 99% mikroorganismer ikke isoleres p\u00e5 grund af den store tilf\u00e6ldighed og blindhed ved mikrobiel dyrkning. I \u00f8jeblikket er der ikke rapporteret om forskning i mykorrhizasvampe i \u00e5rlig Dendrobium huoshanense. Denne artikel bruger high-throughput-sekventeringsteknologi til at unders\u00f8ge tre typer af \u00e5rlige mykorrhizasvampe i Dendrobium huoshanense med det form\u00e5l systematisk at forst\u00e5 deres samfundsdiversitet, forskelle og strukturelle sammens\u00e6tning og give et grundlag for at vejlede om rationel h\u00f8st og anvendelse af Dendrobium huoshanense.<\/p>\n<p>Planternes rodmikrobiota kan ikke kun fremme syntesen af den kemiske sammens\u00e6tning ved at regulere genekspressionen, men ogs\u00e5 \u00f8ge ophobningen af sekund\u00e6re metabolitter. I de senere \u00e5r har der v\u00e6ret omfattende forskning i Dendrobium-planters rodmikrobiota, f.eks. mykorrhizasvampes specificitet i Dendrobium-planter og deres forhold til v\u00e6rtsplantens fylogenetik. Unders\u00f8gelser har vist, at Ascomycota- og Basidiomycota-svampe er vidt udbredte i r\u00f8dderne p\u00e5 Dendrobium officinale, en plante i Dendrobium-sl\u00e6gten. P\u00e5 grund af begr\u00e6nsningerne i mikrobielle dyrkningsmetoder til unders\u00f8gelse af endofytiske svampe brugte denne unders\u00f8gelse high-throughput sekventeringsteknologi til at opdage, at de endofytiske svampe i r\u00f8dderne p\u00e5 Dendrobium huoshanense er rigelige og forskelligartede. Ascomycota og Basidiomycota er de vigtigste svampephyla for endofytiske svampe i r\u00f8dderne af Dendrobium huoshanense. \u2160 R1, \u2161 R1 og \u2162 R1 har deres egne dominerende svampe, hvilket stemmer overens med Ascomycota og Basidiomycota's dominerende position i l\u00e6geplanter som Salvia miltiorrhiza og Dendrobium. Gennem Alpha-diversitetsanalyse blev det konstateret, at der ikke var nogen signifikante forskelle i artsrigdom eller samfundsdiversitet mellem de tre grupper af pr\u00f8ver. LEfSe gennemf\u00f8rte dog en analyse af forskellene i endofytiske svampesamfund mellem grupperne og fandt, at der var signifikante forskelle i tre familier mellem IR1-gruppen og de to andre grupper, med den h\u00f8jeste forekomst i denne gruppe; der er 5 familier i gruppe IIR1, der udviser signifikante forskelle i forekomst sammenlignet med de to andre grupper; der er fire familier i gruppe IIIR1, der udviser signifikante forskelle i forekomst sammenlignet med de to andre grupper.<br \/>\nTidligere unders\u00f8gelser har vist, at den endofytiske mykorrhizasvamp Atractylodes macrocephala om sommeren har en h\u00f8jere svampediversitet end om for\u00e5ret og efter\u00e5ret. Dette studie unders\u00f8gte ogs\u00e5 de endofytiske svampe i r\u00f8dderne af Dendrobium huoshanense p\u00e5 forskellige \u00e5rstider. Det viste sig, at m\u00e6ngden af Ascomycota var st\u00f8rst i maj, og at m\u00e6ngden af Basidiomycota var mindst i r\u00f8dderne af Dendrobium huoshanense. I september var forekomsten af Basidiomycota h\u00f8jest og forekomsten af Ascomycota lavest, hvilket indikerer, at \u00e5rstiden kan v\u00e6re en vigtig faktor, der p\u00e5virker samfundsstrukturen af mykorrhizasvampe i Dendrobium huoshanense. I fremtidig forskning er det planen at kombinere rhizosf\u00e6rens mikroorganismer i Dendrobium officinale med kemiske komponenter med fokus p\u00e5 rodmikroorganismernes indflydelse p\u00e5 de effektive komponenter i Dendrobium huoshanense for at skabe et videnskabeligt grundlag for at forbedre kvaliteten af Dendrobium huoshanense og udvikle mikrobielle g\u00f8dninger.<br \/>\nSammenfattende anvendte denne unders\u00f8gelse Illumina MiSeq high-throughput-sekventeringsmetode til at sekventere ITS1-2-regionen af mykorrhizasvampe i Dendrobium huoshanense og opn\u00e5ede 898663 ITS rRNA-sekvenser og 1928 OTU'er. Baseret p\u00e5 OTU-klyngeanalyse blev der identificeret 9 fylker, 30 klasser, 71 ordener, 149 familier og 244 sl\u00e6gter. Blandt dem var Ascomycota, Basidiomycota og Mucomycota de vigtigste svampephyla af endofytiske svampe i r\u00f8dderne af Dendrobium huoshanense, hvor Ascomycota havde den h\u00f8jeste forekomst og Basidiomycota havde den laveste forekomst i maj; LEfSe-analyse viste, at der er 44 forskellige taksonomiske grene af mykorrhizasvampe i tre typer af \u00e5rlige Dendrobium huoshanense (a=0.01, LDA-score\u22652. 0); Gennem Alpha-diversitetsanalyse blev det konstateret, at med hensyn til artssammens\u00e6tning og diversitet var r\u00e6kkef\u00f8lgen IIR1&gt;IIIR1&gt;IIR1. Boksplottet for Alpha-diversitetsevalueringen viste dog ingen signifikante forskelle mellem de tre grupper.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Diversity and Differences of Mycorrhizal Fungi in Dendrobium huoshanense Dendrobium huoshanense C. Z. Tang et S. J. Cheng, derived from the Orchidaceae genus, is a perennial herbaceous plant that has the effects of enhancing human immunity, antioxidation, repairing liver damage, and preventing the occurrence of cardiovascular diseases. Huoshan Dendrobium not only has [&hellip;]<\/p>\n","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 Diversity and Differences of Mycorrhizal Fungi in Dendrobium huoshanense - 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\/mykorrhizasvampe-i-dendrobium-huoshanense\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Diversity and Differences of Mycorrhizal Fungi in Dendrobium huoshanense - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Diversity and Differences of Mycorrhizal Fungi in Dendrobium huoshanense Dendrobium huoshanense C. 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Cheng, derived from the Orchidaceae genus, is a perennial herbaceous plant that has the effects of enhancing human immunity, antioxidation, repairing liver damage, and preventing the occurrence of cardiovascular diseases. 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