{"id":9067,"date":"2024-08-15T18:14:42","date_gmt":"2024-08-15T18:14:42","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9067"},"modified":"2024-08-15T18:14:42","modified_gmt":"2024-08-15T18:14:42","slug":"fungus-in-pu-tree","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/pu-agacinda-mantar\/","title":{"rendered":"Pu a\u011fac\u0131nda endofitik bir fungus olan Fusarium oxysporum HU0174'\u00fcn antifungal sekonder metabolitleri \u00fczerine \u00e7al\u0131\u015fma"},"content":{"rendered":"<p>Pu a\u011fac\u0131nda endofitik bir fungus olan Fusarium oxysporum HU0174'\u00fcn antifungal sekonder metabolitleri \u00fczerine \u00e7al\u0131\u015fma<br \/>\nPatojenik mantar enfeksiyonu, hasat sonras\u0131 meyve ve sebze \u00e7\u00fcr\u00fcmesinin ana nedenlerinden biridir. Sadece \u00f6nemli ekonomik kay\u0131plara neden olmakla kalmaz, ayn\u0131 zamanda baz\u0131 mantarlar mantar toksinleri \u00fcreterek insan ya\u015fam g\u00fcvenli\u011fi i\u00e7in potansiyel bir tehdit olu\u015fturur. Antifungal ajanlar\u0131n kullan\u0131m\u0131, hasat sonras\u0131 meyve ve sebze hastal\u0131klar\u0131n\u0131n olu\u015fumunu ve geli\u015fimini b\u00fcy\u00fck \u00f6l\u00e7\u00fcde engelleyebilir. Ancak, artan ara\u015ft\u0131rma ve uygulamalar, fungisitlerin b\u00fcy\u00fck \u00f6l\u00e7ekli uzun s\u00fcreli kullan\u0131m\u0131n\u0131n patojen direncinin artmas\u0131na yol a\u00e7abilece\u011fini g\u00f6stermi\u015ftir. Ayn\u0131 zamanda, insanlar\u0131n sa\u011fl\u0131k ve \u00e7evre koruma konusundaki fark\u0131ndal\u0131\u011f\u0131 artmaya devam ettik\u00e7e, daha g\u00fcvenli, daha d\u00fc\u015f\u00fck toksisiteli ve daha d\u00fc\u015f\u00fck kal\u0131nt\u0131l\u0131 yeni do\u011fal antifungal ajanlar\u0131n geli\u015ftirilmesi giderek daha fazla ilgi g\u00f6rmektedir.<\/p>\n<p>Fusarium mantarlar\u0131, fumonisin ve T-2 toksini gibi mantar toksinlerinin yan\u0131 s\u0131ra alkaloidler, peptidler, amidler, terpenler, kinonlar ve piranoz ketonlar gibi \u00e7e\u015fitli yap\u0131lara ve potansiyel t\u0131bbi de\u011fere sahip metabolitler \u00fcretebilen, yayg\u0131n olarak da\u011f\u0131lm\u0131\u015f bir mantar grubudur. Bitkilerdeki endofitik bakterilerin antibakteriyel aktivitesinin erken a\u015famada taranmas\u0131nda, endofitik Fusarium sp. HU0174'\u00fcn bir pirin\u00e7 fermantasyon \u00fcr\u00fcn\u00fcn\u00fcn turun\u00e7gil ye\u015fil k\u00fcf\u00fcne kar\u015f\u0131 iyi antagonistik aktiviteye sahip oldu\u011fu bulunmu\u015ftur. Bu ama\u00e7la, bu mantar\u0131n pirin\u00e7 fermantasyon \u00fcr\u00fcn\u00fcndeki ikincil metabolitlerin antifungal aktivitesini izole etmek, tan\u0131mlamak ve de\u011ferlendirmek i\u00e7in do\u011fal \u00fcr\u00fcn kimyas\u0131 y\u00f6ntemleri kullan\u0131lm\u0131\u015ft\u0131r.<\/p>\n<p>Siklik peptit mikrobiyal t\u00fcrevli antifungal ajanlar, kolay bozunma ve d\u00fc\u015f\u00fck kal\u0131nt\u0131 \u00f6zelliklerine sahiptir; bunlar aras\u0131nda natamisin, bir\u00e7ok \u00fclke ve b\u00f6lgede g\u0131da end\u00fcstrisinde do\u011fal bir antibakteriyel ajan olarak yayg\u0131n \u015fekilde kullan\u0131lmaktad\u0131r. Siklik ester peptit bile\u015fikleri antibakteriyel ve anti-t\u00fcm\u00f6r etkileri gibi biyolojik aktivitelere sahiptir ve giderek daha fazla ilgi \u00e7ekmektedir. Siklik ester peptit bile\u015fiklerinin antibakteriyel aktivitesi \u00fczerine yap\u0131lan ara\u015ft\u0131rmalar nispeten olgunla\u015fm\u0131\u015ft\u0131r ve baz\u0131lar\u0131, s\u0131ras\u0131yla \u00e7oklu ilaca diren\u00e7li Gram negatif ve Gram pozitif bakterilerin neden oldu\u011fu hastal\u0131klar\u0131 tedavi etmek i\u00e7in kullan\u0131labilen antibiyotikler kolistin ve daptomisin dahil olmak \u00fczere klinik uygulamada kullan\u0131lm\u0131\u015ft\u0131r. Klavivopsin A ve B'nin Candida albicans, Aspergillus fumigatus ve Aspergillus niger \u00fczerindeki inhibit\u00f6r etkileri de dahil olmak \u00fczere, s\u0131ras\u0131yla 8, 4 ve 16 \u03bc g\/mL MIC de\u011ferleri ile antifungal aktivite \u00fczerine nispeten az ara\u015ft\u0131rma vard\u0131r; Verlamens A ve B, s\u0131ras\u0131yla 4,9 ve 9,8 \u03bc g\/mL MIC de\u011ferleri ile mango antraknoz patojeni \u00fczerinde g\u00fc\u00e7l\u00fc inhibit\u00f6r etkiler g\u00f6stermi\u015ftir. \u00c7al\u0131\u015fmalar, acutatum B ve C'nin elma kara mantar\u0131, elma zincir disk mantar\u0131 ve pirin\u00e7 spiral bo\u015fluk mantar\u0131na kar\u015f\u0131 s\u0131ras\u0131yla 1,1 ve 10 \u03bc g\/mL'lik ayn\u0131 M\u0130K de\u011ferleriyle g\u00fc\u00e7l\u00fc antagonistik aktivite sergiledi\u011fini g\u00f6stermi\u015ftir. Ayn\u0131 zamanda, acutatum B'nin homolog fusaripeptid A's\u0131 Candida albicans, Candida albicans, Candida albicans ve Aspergillus fumigatus \u00fczerinde, amfoterisin B'den biraz daha d\u00fc\u015f\u00fck olan 0,11 ila 0,24 \u03bc M aras\u0131nda de\u011fi\u015fen IC50 de\u011ferleri ile g\u00fc\u00e7l\u00fc inhibit\u00f6r etkiler g\u00f6sterir.<br \/>\nBu \u00e7al\u0131\u015fmada, Pinus massoniana'da endofitik bir mantar olan Fusarium sp. HU0174'\u00fcn pirin\u00e7 fermantasyon \u00fcr\u00fcnlerinin etil asetat fraksiyonundan be\u015f siklik ester peptid ve iki heterosiklik bile\u015fik dahil olmak \u00fczere yedi bile\u015fik izole edilmi\u015f ve tan\u0131mlanm\u0131\u015ft\u0131r. Bunlar aras\u0131nda, bile\u015fik 1, Fusarium taraf\u0131ndan \u00fcretilen ikincil metabolitlerin \u00e7e\u015fitlili\u011fini zenginle\u015ftiren yeni bir bile\u015fikti. Antifungal aktivite sonu\u00e7lar\u0131, siklik ester peptit bile\u015fikleri acutatum A-D'nin (1-4) 200 \u03bcg'de turun\u00e7gil ye\u015fil k\u00fcf\u00fc ve hilal k\u00fcf\u00fc \u00fczerinde inhibit\u00f6r etkilere sahip oldu\u011funu, ancak Aspergillus niger ve Aspergillus flavus \u00fczerinde inhibit\u00f6r aktiviteye sahip olmad\u0131\u011f\u0131n\u0131 g\u00f6stermi\u015ftir. Bu durum, acutatum siklik ester peptid bile\u015fi\u011finin fungal antagonistik aktivitesinin g\u00fc\u00e7l\u00fc bir \u00f6zg\u00fcll\u00fc\u011fe sahip oldu\u011funu ve Fusarium sp. HU0174'\u00fcn antifungal aktif madde temelini \u00f6nceden a\u00e7\u0131kl\u0131\u011fa kavu\u015fturdu\u011funu ve yeni mikrobiyal kaynaklardan antifungal ajanlar\u0131n geli\u015ftirilmesi i\u00e7in belirli bir referans de\u011fere sahip oldu\u011funu g\u00f6stermektedir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on antifungal secondary metabolites of Fusarium oxysporum HU0174, an endophytic fungus in Pu tree Infection by pathogenic fungi is one of the main causes of post harvest fruit and vegetable rot. It not only causes significant economic losses, but some fungi also produce fungal toxins, posing a potential threat to human life safety. The [&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 antifungal secondary metabolites of Fusarium oxysporum HU0174, an endophytic fungus in Pu tree - 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\/pu-agacinda-mantar\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on antifungal secondary metabolites of Fusarium oxysporum HU0174, an endophytic fungus in Pu tree - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on antifungal secondary metabolites of Fusarium oxysporum HU0174, an endophytic fungus in Pu tree Infection by pathogenic fungi is one of the main causes of post harvest fruit and vegetable rot. 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