{"id":6777,"date":"2024-08-06T14:36:55","date_gmt":"2024-08-06T14:36:55","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=6777"},"modified":"2024-08-06T14:36:55","modified_gmt":"2024-08-06T14:36:55","slug":"fungus-aspergillus-oryzae","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/fungus-aspergillus-oryzae\/","title":{"rendered":"Un nouveau compos\u00e9 de glycoside ph\u00e9nolique dans le champignon Aspergillus oryzae"},"content":{"rendered":"<p>Un nouveau compos\u00e9 glycoside ph\u00e9nolique dans le champignon Aureobasidium pullulans (De Bary) Arnaud est un champignon semblable \u00e0 une levure qui existe dans diff\u00e9rents environnements, tels que les surfaces des fruits ou les tissus ligneux et les feuilles depuis le d\u00e9but du d\u00e9veloppement jusqu'\u00e0 la maturit\u00e9. Selon l'Index Fungorum, ce champignon appartient aux Ascomycota, Pezizomycotina, Dothideomycetes, Dothideomycetidae, et Dothideales. L'activit\u00e9 de biocontr\u00f4le de ses champignons contre les bact\u00e9ries pathog\u00e8nes dans les fruits, les l\u00e9gumes et le stockage en plein champ a \u00e9t\u00e9 largement rapport\u00e9e, comme Botrytis cinerea et Penicillium expansum sur les pommes, et Aspergillus niger sur les raisins comestibles gr\u00e2ce \u00e0 A Pullulans ont \u00e9t\u00e9 contr\u00f4l\u00e9s de mani\u00e8re significative. Il peut \u00e9galement produire divers m\u00e9tabolites, tels que le polysaccharide pullulan, la m\u00e9lanine, la prot\u00e9ine unicellulaire, l'huile de mannitol, le poly (acide malique), l'acide 2-propylacrylique, la 8,9-dihydroxy-2-m\u00e9thyl-4H, 5H-pyranochron-4-one, l'acide 2-m\u00e9thylsuccinique, l'hexol-1,2,3,4,5,6-hexol, etc. Il s'agit d'une ressource naturelle de contr\u00f4le biologique qui pr\u00e9sente une valeur de d\u00e9veloppement et d'application. Les recherches sur la composition chimique des pullulans se concentrent principalement sur l'extraction de substances mol\u00e9culaires de grande taille, tandis qu'il existe relativement peu de rapports sur les m\u00e9tabolites secondaires. C'est pourquoi cet article vise \u00e0 approfondir l'\u00e9tude des m\u00e9tabolites secondaires des pullulans et de leur activit\u00e9 antibact\u00e9rienne contre les pullulans. Une analyse de la composition chimique a \u00e9t\u00e9 effectu\u00e9e sur la fraction d'ac\u00e9tate d'\u00e9thyle des produits de fermentation solides des pullulans, et l'extrait brut d'ac\u00e9tate d'\u00e9thyle a \u00e9t\u00e9 analys\u00e9 pour son activit\u00e9 afin de fournir une base th\u00e9orique pour le d\u00e9veloppement et l'utilisation ult\u00e9rieurs.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6778\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-255.png\" alt=\"\" width=\"332\" height=\"447\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6779\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-213.png\" alt=\"\" width=\"331\" height=\"166\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6780\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-200.png\" alt=\"\" width=\"666\" height=\"167\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6781\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-178.png\" alt=\"\" width=\"662\" height=\"303\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6782\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-162.png\" alt=\"\" width=\"662\" height=\"583\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6783\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-148.png\" alt=\"\" width=\"337\" height=\"284\" \/>L'extrait d'ac\u00e9tate d'\u00e9thyle ferment\u00e9 solide du champignon A Pullulans a une activit\u00e9 antibact\u00e9rienne contre les agents pathog\u00e8nes de la pourriture du ginseng, de la rouille du ginseng, de la pourriture des racines du ginseng, de la pourriture de la tige du ma\u00efs, de la tache des feuilles du ma\u00efs, de la moisissure grise de la tomate et de la pourriture de la tige du riz. Parmi eux, il a le meilleur effet inhibiteur sur le pathog\u00e8ne de la rouille et de la pourriture du ginseng, avec une concentration inhibitrice minimale de 1,88 mg\/mL. Quatre compos\u00e9s ont \u00e9t\u00e9 isol\u00e9s et identifi\u00e9s \u00e0 partir de l'extrait, dont un nouveau compos\u00e9 glycoside ph\u00e9nolique (1) et trois compos\u00e9s gibb\u00e9rellines (2-4). La gris\u00e9omycine est un compos\u00e9 neutre et un antibiotique d\u00e9riv\u00e9 aromatique. Le m\u00e9canisme de son effet antibact\u00e9rien consiste \u00e0 interf\u00e9rer de mani\u00e8re comp\u00e9titive avec la synth\u00e8se de l'ADN des cellules fongiques, inhibant ainsi leur croissance. \u00c0 l'heure actuelle, elle est principalement utilis\u00e9e pour traiter les maladies de la peau et les infections fongiques de la couche corn\u00e9e, et son activit\u00e9 antibact\u00e9rienne a \u00e9galement \u00e9t\u00e9 \u00e9tudi\u00e9e pour les maladies agricoles. Par exemple, Su Mingxing et al. et Liu Yun et al. ont d\u00e9couvert que l'oxyt\u00e9tracycline avait un effet inhibiteur significatif sur la croissance du Fusarium. D'apr\u00e8s les rapports de la litt\u00e9rature, les compos\u00e9s 2 et 3 ont un certain effet inhibiteur sur Microsporum gypseum, tandis que le compos\u00e9 4 a une activit\u00e9 antibact\u00e9rienne plus faible contre Escherichia coli, Pseudomonas aeruginosa, Pseudomonas fluorescens et Staphylococcus epidermidis. Par cons\u00e9quent, on suppose que les Pullulans A sont des compos\u00e9s qui exercent des effets antibact\u00e9riens dans l'activit\u00e9 de biocontr\u00f4le des maladies agricoles. \u00c0 l'avenir, un criblage de l'activit\u00e9 sera effectu\u00e9 sur les compos\u00e9s monom\u00e8res isol\u00e9s afin de fournir \u00e0 A Pullulans une base th\u00e9orique pour le d\u00e9veloppement et l'utilisation de la th\u00e9orie m\u00e9dicinale et de l'activit\u00e9 biologique.<\/p>","protected":false},"excerpt":{"rendered":"<p>A new phenolic glycoside compound in the fungus Aureobasidium pullulans (De Bary) Arnaud is a yeast like fungus that exists in different environments, such as fruit surfaces or woody tissues and leaves from early development to maturity. According to Index Fungorum, this fungus belongs to Ascomycota, Pezizomycotina, Dothideomycetes, Dothideomycetidae, and Dothideales. The biocontrol activity of [&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>A novel phenolic glycoside compound in the fungus Aspergillus oryzae - 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\/fr\/fungus-aspergillus-oryzae\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A novel phenolic glycoside compound in the fungus Aspergillus oryzae - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"A new phenolic glycoside compound in the fungus Aureobasidium pullulans (De Bary) Arnaud is a yeast like fungus that exists in different environments, such as fruit surfaces or woody tissues and leaves from early development to maturity. According to Index Fungorum, this fungus belongs to Ascomycota, Pezizomycotina, Dothideomycetes, Dothideomycetidae, and Dothideales. The biocontrol activity of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangextracts.com\/fr\/fungus-aspergillus-oryzae\/\" \/>\n<meta property=\"og:site_name\" content=\"China Chemical Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-06T14:36:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-255.png\" \/>\n<meta name=\"author\" content=\"longcha9\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"longcha9\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/\",\"url\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/\",\"name\":\"A novel phenolic glycoside compound in the fungus Aspergillus oryzae - China Chemical Manufacturer\",\"isPartOf\":{\"@id\":\"https:\/\/longchangextracts.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-255.png\",\"datePublished\":\"2024-08-06T14:36:55+00:00\",\"dateModified\":\"2024-08-06T14:36:55+00:00\",\"author\":{\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869\"},\"breadcrumb\":{\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/#primaryimage\",\"url\":\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-255.png\",\"contentUrl\":\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-255.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangextracts.com\/fungus-aspergillus-oryzae\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangextracts.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A novel phenolic glycoside compound in the fungus Aspergillus oryzae\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangextracts.com\/#website\",\"url\":\"https:\/\/longchangextracts.com\/\",\"name\":\"China Chemical Manufacturer\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangextracts.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869\",\"name\":\"longcha9\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@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\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Un nouveau compos\u00e9 de glycoside ph\u00e9nolique dans le champignon Aspergillus oryzae - China Chemical Manufacturer","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangextracts.com\/fr\/fungus-aspergillus-oryzae\/","og_locale":"fr_FR","og_type":"article","og_title":"A novel phenolic glycoside compound in the fungus Aspergillus oryzae - China Chemical Manufacturer","og_description":"A new phenolic glycoside compound in the fungus Aureobasidium pullulans (De Bary) Arnaud is a yeast like fungus that exists in different environments, such as fruit surfaces or woody tissues and leaves from early development to maturity. According to Index Fungorum, this fungus belongs to Ascomycota, Pezizomycotina, Dothideomycetes, Dothideomycetidae, and Dothideales. 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