{"id":8548,"date":"2024-08-14T15:49:52","date_gmt":"2024-08-14T15:49:52","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8548"},"modified":"2024-08-14T15:49:52","modified_gmt":"2024-08-14T15:49:52","slug":"shidoulan","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/shidoulan\/","title":{"rendered":"Endofitik bakterilerin izolasyonu ve tan\u0131mlanmas\u0131, fermantasyon ko\u015fullar\u0131n\u0131n optimizasyonu ve shidoulan'da pamuk solgunlu\u011fu patojeninin inhibisyonu"},"content":{"rendered":"<p>Endofitik bakterilerin izolasyonu ve tan\u0131mlanmas\u0131, fermantasyon ko\u015fullar\u0131n\u0131n optimizasyonu ve shidoulan'da pamuk solgunlu\u011fu patojeninin inhibisyonu<br \/>\nBitkilerdeki endofitik bakteriler, bitkilerin canl\u0131 doku ve organlar\u0131nda parazitlenen bakteri, mantar ve aktinomiset gibi mikroorganizmalar\u0131 ifade eder. Hemen hemen her bitki bol miktarda mikrobiyal materyal i\u00e7erir ve endofitik bakteriler, konak bitkide belirgin d\u0131\u015f enfeksiyon semptomlar\u0131na neden olmadan, uzun vadeli evrim yoluyla yava\u015f yava\u015f konak ile simbiyotik bir ili\u015fki olu\u015fturur. Ara\u015ft\u0131rmalar, endofitik bakterilerin ikincil metabolitlerinin sadece patojen mikroorganizmalar\u0131 inhibe etmekle kalmay\u0131p, ayn\u0131 zamanda konak\u00e7\u0131 bitkinin ba\u011f\u0131\u015f\u0131kl\u0131k yan\u0131t sistemini aktive etti\u011fini, bitki savunmas\u0131yla ilgili genlerin ifade profilini geli\u015ftirdi\u011fini ve \u00f6nemli bir do\u011fal ila\u00e7 kayna\u011f\u0131 oldu\u011funu g\u00f6stermi\u015ftir. Mikrobiyal pestisitler, ye\u015fil \u00e7evre koruma avantajlar\u0131 ve tar\u0131msal yan \u00fcr\u00fcnlerin kalitesi \u00fczerindeki minimum etkileri nedeniyle 21. y\u00fczy\u0131lda yeni bir pestisit end\u00fcstrisi haline gelmi\u015ftir ve bitki koruman\u0131n y\u00f6n\u00fcn\u00fc temsil etmektedir. Orkide bitkileri, ya\u015fam alanlar\u0131nda daha bol miktarda endofitik bakteriye sahiptir. Chen ve arkada\u015flar\u0131 Orkide ailesindeki be\u015f t\u0131bbi bitkiden (Paeonia lactiflora, Panax ginseng, Dendrobium nobile, Dendrobium chrysotoxum ve Dendrobium chrysotoxum) 241 endofitik bakteri izole etmi\u015ftir. Yazar, Bulbophyllum sp. bitkisinin in vitro k\u00fclt\u00fcr\u00fc s\u0131ras\u0131nda dokular\u0131n\u0131n endofitik bakteriler a\u00e7\u0131s\u0131ndan zengin oldu\u011funu ve baz\u0131 bakterilerin kona\u011f\u0131n in vitro dokular\u0131yla simbiyotik olarak bir arada ya\u015fayabildi\u011fini tespit etmi\u015ftir. Solgunluk hastal\u0131\u011f\u0131, pamuk ekim d\u00f6neminde yayg\u0131n olarak g\u00f6r\u00fclen bir hastal\u0131k olup, \u00fclke genelinde b\u00fcy\u00fck pamuk \u00fcretim alanlar\u0131nda yayg\u0131n olarak g\u00f6r\u00fcl\u00fcr ve ciddi zararlara neden olur. Solgunluk hastal\u0131\u011f\u0131 nedeniyle her y\u0131l 100 milyon kilogram pamu\u011fun kaybedildi\u011fi tahmin edilmektedir. Fusarium solgunlu\u011funa Fusarium oxysporum neden olur ve pamuk uzmanl\u0131\u011f\u0131, h\u0131yar uzmanl\u0131\u011f\u0131, muz uzmanl\u0131\u011f\u0131 vb. gibi konuk\u00e7u \u00f6zg\u00fcll\u00fc\u011f\u00fcne dayal\u0131 farkl\u0131 uzmanl\u0131k t\u00fcrlerine s\u0131n\u0131fland\u0131r\u0131l\u0131r. Baz\u0131 \u00f6zelle\u015fme t\u00fcrleri, konuk\u00e7u \u00e7e\u015fitlerine g\u00f6re farkl\u0131 fizyolojik \u0131rklara ayr\u0131larak di\u011fer \u00fclkelerden farkl\u0131 benzersiz fizyolojik \u0131rklar olu\u015fturur. Farkl\u0131 \u00f6zel tiplerin ve fizyolojik \u0131rklar\u0131n neden oldu\u011fu solgunluk hastal\u0131\u011f\u0131, farkl\u0131 \u00f6nleme ve kontrol y\u00f6ntemleri gerektirir, bu nedenle Fusarium oxysporum'un farkl\u0131 \u00f6zel tipleri ve fizyolojik \u0131rklar\u0131 i\u00e7in biyokontrol ajanlar\u0131n\u0131n belirlenmesi \u00f6zellikle \u00f6nemlidir. Bu deneyde, Fusarium oxysporum pamuk solgunlu\u011fu \u00f6zelle\u015fmesi indikat\u00f6r bakteri olarak kullan\u0131lm\u0131\u015f ve Solanum cinsi bitkilerin endofitik bakterilerinden inhibit\u00f6r etkileri olan biyokontrol bakterileri aranm\u0131\u015ft\u0131r. Fermantasyon ko\u015fullar\u0131 optimize edilmi\u015f ve ana antibakteriyel maddeler olan lipopeptitler, patojenik bakterilerin morfolojisi \u00fczerindeki etkileri a\u00e7\u0131s\u0131ndan elektron mikroskobu alt\u0131nda g\u00f6zlemlenmi\u015ftir. Bu deney, antibakteriyel maddelerin haz\u0131rlanmas\u0131 ve pamuk solgunlu\u011fu hastal\u0131\u011f\u0131n\u0131n biyolojik kontrol\u00fc i\u00e7in pratik bir temel olu\u015fturmaktad\u0131r.<\/p>\n<p>Fusarium oxysporum bitki k\u00f6k \u00e7\u00fcr\u00fckl\u00fc\u011f\u00fc, solgunluk ve sararma hastal\u0131klar\u0131na neden olabilir. Pamuk solgunlu\u011fu hastal\u0131\u011f\u0131 i\u00e7in kullan\u0131lan ba\u015fl\u0131ca biyokontrol bakterileri aras\u0131nda Trichoderma harzianum TH1, Trichoderma viride GY20, Marine Streptomyces ZW-1, Streptomyces spectacular SC11, Bacillus subtilis, Bacillus amyloliquefaciens SN06, Bacillus cereus YUPP-10 vb. bulunmaktad\u0131r. Fusarium oxysporum'un farkl\u0131 \u00f6zel tipleri ve fizyolojik \u0131rklar\u0131n\u0131n varl\u0131\u011f\u0131 nedeniyle, bu \u00e7al\u0131\u015fmada kullan\u0131lan patojen, okulumuzun deney alan\u0131ndaki pamuk solgunlu\u011fu \u00f6zel tipine ait hastal\u0131kl\u0131 pamuk bitkilerinden izole edilmi\u015ftir. Tarama hedefi, bu patojenin antagonistik bakterilerini inhibe etmekti. Cymbidium cinsi bitkilerden iyi inhibit\u00f6r etkiye sahip bir bakteri se\u00e7ildi ve BBs-27 olarak adland\u0131r\u0131ld\u0131. Molek\u00fcler tan\u0131mlama Bacillus subtilis alt t\u00fcrleri ile en y\u00fcksek benzerli\u011fi g\u00f6stermi\u015ftir. Bacillus subtilis, Bacillus licheniformis, Bacillus cereus, Bacillus amyloliquefaciens ve Bacillus cereus dahil olmak \u00fczere bir\u00e7ok Bacillus t\u00fcr\u00fc geni\u015f spektrumlu antibakteriyel aktiviteye sahiptir.<br \/>\nAntibakteriyel maddelerin fermantasyonu, k\u00fclt\u00fcr ortam\u0131 ve \u00e7evresel fakt\u00f6rlerden b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkilenir. K\u00fclt\u00fcr ortam\u0131n\u0131n bile\u015fiminin ve fermantasyon ko\u015fullar\u0131n\u0131n optimize edilmesi antibakteriyel maddelerin verimini art\u0131rabilir. Liu ve arkada\u015flar\u0131 Mohewei J7'yi optimize edilmi\u015f besiyeri ile fermente etmi\u015f ve antibakteriyel madde verimi 38,89% artm\u0131\u015ft\u0131r. Chen ve arkada\u015flar\u0131 Bacillus amyloliquefaciens SC1150 su\u015funun fermantasyon ortam\u0131n\u0131 optimize etmi\u015f ve muz solgunlu\u011fu hastal\u0131\u011f\u0131n\u0131n fizyolojik \u0131rk 4'\u00fcne kar\u015f\u0131 antibakteriyel b\u00f6lgenin \u00e7ap\u0131 23.31'den 28.33'e y\u00fckselmi\u015ftir. Bu \u00e7al\u0131\u015fmada, herhangi bir antibakteriyel madde \u00fcretmeyen 2.5% ila 3.0% ksiloz i\u00e7eren ortam hari\u00e7, di\u011fer t\u00fcm \u015feker ilaveleri antibakteriyel maddelerin \u00fcretimini te\u015fvik edebilmi\u015ftir; LB sadece organik azot i\u00e7erir ve 0.05% inorganik azot kayna\u011f\u0131 (NH4) 2HPO4 eklemek antibakteriyel aktiviteyi art\u0131rabilir. Optimizasyondan sonra antibakteriyel oran 51.57%'den 88.06%'ye y\u00fckselmi\u015f ve lipopeptitlerin verimi 0.6 g (kuru a\u011f\u0131rl\u0131k)\/L olmu\u015ftur ki bu da Bacillus subtilis HS-A38 ve mutant su\u015ftan daha y\u00fcksektir. Zhang ve arkada\u015flar\u0131 Subtilis ATCC2133'te lipopeptit \u00fcretme ko\u015fullar\u0131 optimize edilmi\u015f ve i\u00e7erik HPLC ile 4.885 g\/L olarak belirlenmi\u015ftir, bu da su\u015f ve tespit y\u00f6ntemiyle ilgili olabilir.<br \/>\nBakteriler, aktinomisetler, mantarlar vb. gibi antimikrobiyal lipopeptidler \u00fcreten \u00e7e\u015fitli mikroorganizmalar vard\u0131r. Bunlar aras\u0131nda Bacillus, en fazla lipopeptit \u00fcretti\u011fi tespit edilen cinstir. Farkl\u0131 mikroorganizmalar farkl\u0131 yap\u0131lara, \u00f6zelliklere ve antibakteriyel etkilere sahip lipopeptitler \u00fcretir. Bu \u00e7al\u0131\u015fmada kullan\u0131lan BBs-27 taraf\u0131ndan \u00fcretilen antibakteriyel maddelerin bir miktar y\u00fcksek s\u0131cakl\u0131k direncine ve y\u00fcksek s\u0131cakl\u0131klarda bir miktar deaktivasyona sahip olmas\u0131, birden fazla antibakteriyel madde t\u00fcr\u00fc oldu\u011funu, ancak ana antibakteriyel maddenin 121 \u2103'de y\u00fcksek s\u0131cakl\u0131k i\u015flemine diren\u00e7li oldu\u011funu g\u00f6stermektedir. Lipopeptitlerin fizikokimyasal \u00f6zelliklerine ve bu deneydeki lipopeptitlerin antibakteriyel etkisine dayanarak, BBs-27 taraf\u0131ndan \u00fcretilen antibakteriyel maddenin esas olarak lipopeptitler oldu\u011fu tahmin edilmektedir. Yap\u0131lan ara\u015ft\u0131rman\u0131n bir ba\u015fka k\u0131sm\u0131, y\u00fcksek s\u0131cakl\u0131kta inaktive edilen di\u011fer antibakteriyel maddelerin proteinler olabilece\u011fini ve antibakteriyel proteinler ve peptit yap\u0131lar\u0131 hakk\u0131nda daha fazla ara\u015ft\u0131rmaya ihtiya\u00e7 oldu\u011funu g\u00f6stermektedir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Isolation and identification of endophytic bacteria, optimization of fermentation conditions, and inhibition of cotton wilt pathogen in shidoulan Endophytic bacteria in plants refer to microorganisms such as bacteria, fungi, and actinomycetes that parasitize the living tissues and organs of plants. Almost every plant contains abundant microbial material, and endophytic bacteria gradually form a symbiotic relationship [&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>Isolation and identification of endophytic bacteria, optimization of fermentation conditions, and inhibition of cotton wilt pathogen in shidoulan - 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\/shidoulan\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Isolation and identification of endophytic bacteria, optimization of fermentation conditions, and inhibition of cotton wilt pathogen in shidoulan - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Isolation and identification of endophytic bacteria, optimization of fermentation conditions, and inhibition of cotton wilt pathogen in shidoulan Endophytic bacteria in plants refer to microorganisms such as bacteria, fungi, and actinomycetes that parasitize the living tissues and organs of plants. 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