{"id":9097,"date":"2024-08-15T18:35:27","date_gmt":"2024-08-15T18:35:27","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9097"},"modified":"2024-08-15T18:35:27","modified_gmt":"2024-08-15T18:35:27","slug":"the-endophytic-fungus-letendraea-helminthicola-a696","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/endofi\u0307ti\u0307k-mantar-letendraea-helminthicola-a696\/","title":{"rendered":"Bahar kumu tanelerindeki endofitik mantar Letendraea helminthicola A696'n\u0131n ikincil metabolitleri \u00fczerine \u00e7al\u0131\u015fma"},"content":{"rendered":"<p>Bahar kumu tanelerindeki endofitik mantar Letendraea helminthicola A696'n\u0131n ikincil metabolitleri \u00fczerine \u00e7al\u0131\u015fma<br \/>\n\u00c7in t\u0131bb\u0131 kum \u00e7ekirde\u011fi, g\u00fcney \u00c7in, Laos, Vietnam, Kambo\u00e7ya ve Tayland'da yayg\u0131n olarak da\u011f\u0131t\u0131lan Zingiberaceae bitkilerinin olgun meyvesine aittir. Guangdong Eyaleti, Yangchun \u015eehrinde \u00fcretilen Yangchun kum \u00e7ekirdekleri en \u00fcnl\u00fcleridir. Bahar kumu \u00e7ekirdeklerinin mideyi nemlendirme, qi'yi d\u00fczenleme ve hamileli\u011fi stabilize etme etkileri vard\u0131r. Bahar kumu \u00e7ekirdeklerinin k\u00f6klerinde parazitlenen endofitik mantarlar da yeni yap\u0131lar\u0131n ve \u00f6nemli faaliyetlerin ke\u015ffedilmesi i\u00e7in ara\u015ft\u0131rma nesneleri haline gelmi\u015ftir. Bitki endofitik mantarlar\u0131, bitki dokular\u0131nda ya\u015fayan ve bitkilerle birlikte var olan mantar t\u00fcrleridir. Bitki endofitik mantarlar\u0131 zengin t\u00fcr \u00e7e\u015fitlili\u011fine sahiptir ve yeni ve karma\u015f\u0131k yap\u0131lara ve \u00e7e\u015fitli aktivitelere sahip ikincil metabolitler \u00fcretebilir. Bu nedenle, yeni do\u011fal aktif maddelerin ke\u015ffedilmesi i\u00e7in \u00f6nemli kaynaklar haline gelmi\u015flerdir. Letendraea helminthicola mantar\u0131 nadir bulunan bir t\u00fcrd\u00fcr ve ara\u015ft\u0131rma raporlar\u0131 s\u00fcngerlerle ili\u015fkili bu mantar cinsinin kanalizasyon kontrol etkilerine sahip 3-metil-N - (2-feniletil) b\u00fctanamid ve siklo (D-Pro-D-Phe) olmak \u00fczere iki bile\u015fik \u00fcretti\u011fini g\u00f6stermi\u015ftir; Huang ve ark. deniz yenge\u00e7lerindeki ba\u011f\u0131rsak mantar\u0131 Letendraea sp.'den bir fenildihidropiran halkas\u0131 ve tetrahidrofuran halkas\u0131 iskeleti i\u00e7eren iki yeni spirosiklik poliketit stereoizomerinin, letenketal A ve B'nin izole edildi\u011fini bildirmi\u015ftir. Antibakteriyel ve anti-t\u00fcm\u00f6r aktivite testleri neredeyse hi\u00e7 antibakteriyel aktivite g\u00f6stermezken 40 \u03bc M'da zay\u0131f anti-t\u00fcm\u00f6r aktivite g\u00f6stermi\u015ftir; Xu ve ark. denizden t\u00fcreyen Letendraea sp.5XNZ4-2 mantar\u0131ndan phomopsiketon D~G ve letendronol A~C olmak \u00fczere yedi yeni poliketid bile\u015fi\u011fi izole etmi\u015ftir. Bunlar aras\u0131nda phomopsiketon E, lipopolisakkarit ile aktive edilmi\u015f makrofajlarda nitrik oksit \u00fcretimini inhibe etmede daha zay\u0131f aktivite g\u00f6stermi\u015ftir. Ara\u015ft\u0131rma grubumuz, bahar kumu \u00e7ekirdeklerinden izole edilen endofitik bir mantar olan Letendraea helminthicola A696'n\u0131n kimyasal bile\u015fimini, anti-t\u00fcm\u00f6r ve antibakteriyel aktivitelerini incelemi\u015ftir.<\/p>\n<p>&nbsp;<\/p>\n<p>Letendraea helminthicola mantar\u0131 nadir bir mikrobiyal t\u00fcre aittir. Bu makale, bu mantar cinsinin ikincil metabolitleri hakk\u0131ndaki d\u00f6rd\u00fcnc\u00fc rapordur. Bu mantar cinsi diketopiperazinler ve spirosiklik poliketidler \u00fcretmektedir. Bu \u00e7al\u0131\u015fmada, bahar kumu tanelerindeki endofitik mantar A696'n\u0131n fermantasyon suyundan sekiz monomerik bile\u015fik izole edilmi\u015f ve bu mantar cinsinin sekonder metabolit t\u00fcrleri zenginle\u015ftirilmi\u015ftir. Bunlar aras\u0131nda, Bile\u015fik 1 yeni bir seskiterpen bile\u015fi\u011fidir; Bile\u015fik 2 bir antioksidand\u0131r ve 1076 ve 1010 gibi antioksidanlar\u0131n sentezlenmesi i\u00e7in ana hammaddedir; Bile\u015fik 3 ve 4'\u00fcn her ikisi de \u03b1-piranon yap\u0131s\u0131na sahip bile\u015fiklerdir. Bile\u015fik 3, do\u011fal \u00fcr\u00fcnlerden izole edilen ilk \u03b1-piranon yap\u0131s\u0131 olarak rapor edilmi\u015ftir ve genellikle gibbepiron B'den sentezlenir; Bile\u015fik 5, 6 ve 7'nin t\u00fcm\u00fc k\u00fc\u00e7\u00fck molek\u00fcll\u00fc aromatik benzen halkal\u0131 bile\u015fiklerdir; Bile\u015fik 8, t\u0131bbi kimyada D2 vitamini \u00f6nc\u00fcs\u00fc ve hormon ila\u00e7lar\u0131n\u0131n \u00fcretiminde bir ara madde olarak uygulanan ergosterold\u00fcr. Bakterinin ham ekstresi belirli antibakteriyel ve anti-t\u00fcm\u00f6r aktivitesi g\u00f6stermi\u015ftir, ancak bile\u015fik 1'in aktivite testi yoluyla antibakteriyel veya anti-t\u00fcm\u00f6r aktivitesine sahip olmad\u0131\u011f\u0131 bulunmu\u015ftur. Muhtemelen antibakteriyel ve anti-t\u00fcm\u00f6r aktivitesi olan baz\u0131 ikincil metabolitler ham ekstrakttan ba\u015far\u0131l\u0131 bir \u015fekilde izole edilememi\u015ftir. Bu nedenle, aktif ikincil metabolitler elde etmek i\u00e7in fermantasyon \u00fcr\u00fcnlerinin miktar\u0131na ba\u011fl\u0131 olarak b\u00fcy\u00fck \u00f6l\u00e7ekli fermantasyon ger\u00e7ekle\u015ftirilebilir; S\u0131v\u0131 fermantasyon s\u00fcreci 20 g\u00fcne kadar s\u00fcrm\u00fc\u015ft\u00fcr, bu da k\u00fclt\u00fcr ortam\u0131nda yap\u0131sal olarak basit baz\u0131 temel metabolitlerin \u00fcretilmesinin nedeni olabilir ve gelecekteki fermantasyon s\u00fcreleri i\u00e7in bir ders sa\u011flar; \u00d6te yandan, \u00e7al\u0131\u015fmalar seskiterpenlerin antibakteriyel, antikanser, b\u00f6cek \u00f6ld\u00fcr\u00fcc\u00fc ve bitki b\u00fcy\u00fcmesini d\u00fczenleyici aktivitelere sahip oldu\u011funu g\u00f6stermi\u015ftir. Gelecekte, di\u011fer biyolojik aktivitelerini ke\u015ffetmek i\u00e7in bu bile\u015fik \u00fczerinde ba\u015fka aktivite testleri yap\u0131labilir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the secondary metabolites of the endophytic fungus Letendraea helminthicola A696 in spring sand kernels Chinese medicine sand kernel belongs to the mature fruit of Zingiberaceae plants, widely distributed in southern China, Laos, Vietnam, Cambodia, and Thailand. Yangchun sand kernels produced in Yangchun City, Guangdong Province are the most famous. Spring sand kernels have [&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 secondary metabolites of the endophytic fungus Letendraea helminthicola A696 in spring sand kernels - 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\/endofi\u0307ti\u0307k-mantar-letendraea-helminthicola-a696\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the secondary metabolites of the endophytic fungus Letendraea helminthicola A696 in spring sand kernels - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the secondary metabolites of the endophytic fungus Letendraea helminthicola A696 in spring sand kernels Chinese medicine sand kernel belongs to the mature fruit of Zingiberaceae plants, widely distributed in southern China, Laos, Vietnam, Cambodia, and Thailand. 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