{"id":8151,"date":"2024-08-11T19:42:17","date_gmt":"2024-08-11T19:42:17","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8151"},"modified":"2024-08-11T19:42:17","modified_gmt":"2024-08-11T19:42:17","slug":"lop-nur-salt-lake","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/lop-nur-salt-lake\/","title":{"rendered":"Lop Nur Tuz G\u00f6l\u00fc'nden bir Streptomyces su\u015funun tan\u0131mlanmas\u0131 ve metabolitlerinin tirozinaz aktivitesi ve melanin \u00fcretimi \u00fczerindeki inhibit\u00f6r etkileri"},"content":{"rendered":"<p>Lop Nur Tuz G\u00f6l\u00fc'nden bir Streptomyces su\u015funun tan\u0131mlanmas\u0131 ve metabolitlerinin tirozinaz aktivitesi ve melanin \u00fcretimi \u00fczerindeki inhibit\u00f6r etkisi. Polifenol oksidaz olarak da bilinen tirozinaz (EC1.14.18.1, tirozinaz), hayvanlarda, bitkilerde ve mikroorganizmalarda melanin biyosentezinde anahtar bir enzimdir. Ekspresyon aktivitesi melanin \u00fcretiminin oran\u0131n\u0131 ve miktar\u0131n\u0131 belirler. Tirozinaz inhibit\u00f6rleri kozmetik, meyve ve sebze muhafazas\u0131, biyopestisitler ve melanin metabolizmas\u0131 hastal\u0131klar\u0131n\u0131n tedavisinde b\u00fcy\u00fck uygulama olanaklar\u0131na sahiptir. \u015eu anda, tirozinaz inhibit\u00f6rleri \u00e7o\u011funlukla do\u011fal \u00fcr\u00fcn ekstraksiyonu veya kimyasal sentez yoluyla elde edilmektedir. Ekstrem \u00e7evresel mikroorganizmalar, g\u00fc\u00e7l\u00fc asitler, g\u00fc\u00e7l\u00fc bazlar ve g\u00fc\u00e7l\u00fc radyasyon gibi di\u011fer organizmalar\u0131n hayatta kalamad\u0131\u011f\u0131 ortamlarda \u00f6zel gen t\u00fcrleri ve fizyolojik mekanizmalar olu\u015fturmu\u015ftur. Yap\u0131sal olarak yeni ve biyolojik olarak aktif ikincil metabolitler \u00fcretebilirler ve tirozinaz inhibit\u00f6rlerinin taranmas\u0131 i\u00e7in yeni fikirler sa\u011flarlar. Bu makalenin ara\u015ft\u0131rma nesnesi, \u00c7in'in en b\u00fcy\u00fck ikinci tuzlu su g\u00f6l\u00fc olan Sincan'daki Lop Nur'dan izole edilen bir Streptomyces 89-2-2 t\u00fcr\u00fcd\u00fcr. Streptomyces setonii'nin bir t\u00fcr\u00fc olarak tan\u0131mlanm\u0131\u015ft\u0131r. Streptomyces sp. Z-L-22'nin fermantasyonu antibakteriyel aktif maddeler \u00fcretebilir. Streptomyces coelicolor bakteri h\u00fccrelerinin ve bunlar\u0131n \u00fcretti\u011fi fosfodiesterazlar\u0131n organofosfat insektisitleri par\u00e7alayabildi\u011fi ke\u015ffedilmi\u015ftir. \u015eu anda, Streptomyces coelicolor taraf\u0131ndan tirozinaz inhibit\u00f6rleri ve melanin sentezi inhibit\u00f6rlerinin \u00fcretimi hakk\u0131nda herhangi bir rapor bulunmamaktad\u0131r. Bu deney, ekstrem ortamlardaki mikroorganizmalar\u0131n benzersiz biyolojik aktivite potansiyelini daha fazla ara\u015ft\u0131rmak ve t\u0131p, kozmetik vb. alanlarda acilen ihtiya\u00e7 duyulan do\u011fal melanin sentezi inhibit\u00f6rlerinin ve bunlar\u0131n \u00f6nc\u00fc bile\u015fiklerinin geli\u015ftirilmesi i\u00e7in temel olu\u015fturmak amac\u0131yla Streptomyces setonii 89-2-2 metabolitlerinin tirozinaz aktivitesi ve melanin sentezi \u00fczerindeki inhibit\u00f6r aktivitesini ara\u015ft\u0131rmaktad\u0131r.<\/p>\n<p>&nbsp;<\/p>\n<p>89-2-2 su\u015fu i\u00e7in optimum tuz konsantrasyonu 5%'dir ve orta derecede halofilik Streptomyces'e aittir. Morfolojik \u00f6zellikler, k\u00fclt\u00fcr \u00f6zellikleri, fizyolojik ve biyokimyasal \u00f6zellikler, h\u00fccre duvar\u0131 kimyasal bile\u015fimi ve 16SrRNA gen dizisi analizine dayanarak, 89-2-2 su\u015fu \u00f6n olarak Streptomyces setonii olarak tan\u0131mlanm\u0131\u015ft\u0131r. Streptomyces setonii 89-2-2 metabolitinin in vitro mantar tirozinaz difenolaz aktivitesi i\u00e7in ekstrakt\u0131n\u0131n IC50 de\u011feri 0.478 mg\/mL idi. 100-1000 \u03bcg\/mL konsantrasyon aral\u0131\u011f\u0131nda, 89-2-2 su\u015fu ekstrakt\u0131n\u0131n fare melanoma B16 h\u00fccrelerinin \u00e7o\u011falmas\u0131 \u00fczerinde \u00f6nemli bir etkisi olmam\u0131\u015ft\u0131r, ancak h\u00fccre i\u00e7i tirozinaz aktivitesini \u00f6nemli \u00f6l\u00e7\u00fcde inhibe edebilir ve h\u00fccre i\u00e7i melanin i\u00e7eri\u011fini etkili bir \u015fekilde azaltabilir; 1000 \u03bcg\/mL ekstrakt ile 48 saatlik tedaviden sonra, B16 h\u00fccreleri h\u00fccre i\u00e7i tirozinaz aktivitesinde 48% azalma ve melanin i\u00e7eri\u011finde 31% azalma g\u00f6stermi\u015ftir. Metabolomiklerin tespit sonu\u00e7lar\u0131, S Setonii 89-2-2'nin fermantasyon ko\u015fullar\u0131n\u0131n optimize edilmesinden \u00f6nce ve sonra \u00fcretilen farkl\u0131 metabolitlerin esas olarak vitamin bile\u015fikleri, aromatik bile\u015fikler ve karboksilik asit bile\u015fikleri oldu\u011funu g\u00f6stermektedir. \u00d6nceki raporlar, her \u00fc\u00e7 madde t\u00fcr\u00fcn\u00fcn de tirozinaz aktivitesini inhibe etme yetene\u011fine sahip oldu\u011funu g\u00f6stermi\u015ftir. S. setonii 89-2-2'nin tirozinaz inhibit\u00f6rleri ve melanin sentezi inhibit\u00f6rleri \u00fcretmek i\u00e7in geli\u015ftirme potansiyeline sahip umut verici bir materyal oldu\u011fu g\u00f6r\u00fclebilir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Identification of a strain of Streptomyces from Lop Nur Salt Lake and the inhibitory effect of its metabolites on tyrosinase activity and melanin production. Tyrosinase (EC1.14.18.1, tyrosinase), also known as polyphenol oxidase, is a key enzyme in the biosynthesis of melanin in animals, plants, and microorganisms. Its expression activity determines the rate and quantity of [&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>Identification of a strain of Streptomyces from Lop Nur Salt Lake and the inhibitory effects of its metabolites on tyrosinase activity and melanin production - 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\/lop-nur-salt-lake\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identification of a strain of Streptomyces from Lop Nur Salt Lake and the inhibitory effects of its metabolites on tyrosinase activity and melanin production - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Identification of a strain of Streptomyces from Lop Nur Salt Lake and the inhibitory effect of its metabolites on tyrosinase activity and melanin production. Tyrosinase (EC1.14.18.1, tyrosinase), also known as polyphenol oxidase, is a key enzyme in the biosynthesis of melanin in animals, plants, and microorganisms. 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