{"id":7976,"date":"2026-05-03T17:50:42","date_gmt":"2026-05-03T14:50:42","guid":{"rendered":"https:\/\/dbsnewsmedia.com\/?p=7976"},"modified":"2026-05-03T17:50:42","modified_gmt":"2026-05-03T14:50:42","slug":"bilim-insanlarindan-uyari-yarasalardaki-virus-insan-hucresine-girebiliyor","status":"publish","type":"post","link":"https:\/\/dbsnewsmedia.com\/?p=7976","title":{"rendered":"Bilim \u0130nsanlar\u0131ndan Uyar\u0131: Yarasalardaki Vir\u00fcs \u0130nsan H\u00fccresine Girebiliyor"},"content":{"rendered":"\n

03.05.2026 17:50<\/p>\n\n\n\n

Do\u011fu Afrika\u2019daki yarasalarda saptanan KY43 adl\u0131 bir koronavir\u00fcs\u00fcn insan akci\u011ferinde bulunan bir resept\u00f6re ba\u011flanabildi\u011finin ortaya \u00e7\u0131kmas\u0131, bilim d\u00fcnyas\u0131nda yeni bir uyar\u0131 yaratt\u0131. Ara\u015ft\u0131rmac\u0131lar, vir\u00fcs\u00fcn \u015fu anda insanlarda yay\u0131ld\u0131\u011f\u0131na dair kan\u0131t olmad\u0131\u011f\u0131n\u0131 vurgulasa da, bu bulgunun gelecekte ya\u015fanabilecek olas\u0131 bir s\u0131\u00e7rama i\u00e7in \u00f6nemli bir erken alarm niteli\u011fi ta\u015f\u0131d\u0131\u011f\u0131n\u0131 belirtiyor.<\/p>\n\n\n\n

Bilim insanlar\u0131, yarasalarda tespit edilen bir alfakoronavir\u00fcs\u00fcn insan h\u00fccrelerine giri\u015f i\u00e7in kritik bir e\u015fi\u011fi a\u015fabildi\u011fini ortaya koydu. KY43 ad\u0131 verilen bu vir\u00fcs\u00fcn, insan akci\u011ferinde bulunan bir resept\u00f6re ba\u011flanabildi\u011fi belirlendi.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Uzmanlara g\u00f6re bu durum, vir\u00fcs\u00fcn hen\u00fcz insan v\u00fccuduna tam anlam\u0131yla uyum sa\u011flad\u0131\u011f\u0131 anlam\u0131na gelmiyor. Ancak bulgu, t\u00fcrler aras\u0131 bariyerin a\u015f\u0131lmas\u0131 yolunda \u00f6nemli bir ilk ad\u0131m olarak de\u011ferlendiriliyor.<\/p>\n\n\n\n

Ara\u015ft\u0131rmaya g\u00f6re KY43, Do\u011fu Afrika\u2019da ya\u015fayan kalp burunlu yarasalarda saptand\u0131. Vir\u00fcs\u00fcn g\u00f6r\u00fcld\u00fc\u011f\u00fc b\u00f6lge; Kenya, do\u011fu Sudan ve kuzey Tanzanya \u00e7evresini kaps\u0131yor. \u0130lk incelemeler, vir\u00fcs\u00fcn hen\u00fcz yerel insan n\u00fcfusuna yay\u0131lm\u0131\u015f oldu\u011funa i\u015faret etmiyor. Ancak ara\u015ft\u0131rmac\u0131lar, bu ailenin san\u0131landan daha fazla kap\u0131y\u0131 kullanarak h\u00fccrelere girebildi\u011fini g\u00f6stermesi bak\u0131m\u0131ndan ke\u015ffin \u00e7ok \u00f6nemli oldu\u011funu s\u00f6yl\u00fcyor.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u00c7al\u0131\u015fmay\u0131 y\u00fcr\u00fcten ekip, canl\u0131 vir\u00fcsle \u00e7al\u0131\u015fmak yerine bilinen genetik dizileri i\u00e7eren veri tabanlar\u0131ndan yararland\u0131. Ard\u0131ndan farkl\u0131 alfakoronavir\u00fcslere ait diken proteinleri laboratuvar ortam\u0131nda sentezlendi. Bu proteinler, insan h\u00fccrelerinde bulunabilecek resept\u00f6rlerle tek tek tarand\u0131. Sonu\u00e7ta KY43\u2019\u00fcn insan h\u00fccrelerine giri\u015fte i\u015fe yarayan ba\u011flant\u0131y\u0131 kurabildi\u011fi g\u00f6r\u00fcld\u00fc.<\/p>\n\n\n\n

T\u00fcrler aras\u0131 s\u0131\u00e7rama riski<\/strong><\/h2>\n\n\n\n

Ara\u015ft\u0131rmac\u0131lar, bug\u00fcne kadar alfakoronavir\u00fcslerin h\u00fccreye giri\u015f i\u00e7in s\u0131n\u0131rl\u0131 say\u0131da resept\u00f6r kulland\u0131\u011f\u0131n\u0131n d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcn\u00fc belirtiyor. Yeni bulgu ise bu varsay\u0131m\u0131 sarst\u0131. \u00c7\u00fcnk\u00fc \u00e7al\u0131\u015fma, bu vir\u00fcs grubunun san\u0131ld\u0131\u011f\u0131ndan daha geni\u015f bir resept\u00f6r yelpazesi kullanabilece\u011fini g\u00f6sterdi. Bu da yaln\u0131zca mevcut vir\u00fcsler i\u00e7in de\u011fil, gelecekte insanlara s\u0131\u00e7rama potansiyeli ta\u015f\u0131yan benzer vir\u00fcsler i\u00e7in de daha yak\u0131ndan izleme ihtiyac\u0131n\u0131 g\u00fcndeme getirdi.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Uzmanlar yine de \u015fu noktaya \u00f6zellikle dikkat \u00e7ekiyor: Bir vir\u00fcs\u00fcn insan h\u00fccresine girebilmesi, tek ba\u015f\u0131na yeni bir pandemi \u00e7\u0131kaca\u011f\u0131 anlam\u0131na gelmiyor. Vir\u00fcs\u00fcn insanlarda \u00e7o\u011falabilmesi, ba\u011f\u0131\u015f\u0131kl\u0131k sisteminden ka\u00e7abilmesi ve insandan insana etkili bi\u00e7imde yay\u0131labilmesi i\u00e7in a\u015fmas\u0131 gereken \u00e7ok say\u0131da ba\u015fka engel var. \u015eu an i\u00e7in KY43\u2019te bu yeteneklerin bulundu\u011funa dair bir kan\u0131t olmad\u0131\u011f\u0131 vurgulan\u0131yor.<\/p>\n\n\n\n

Ara\u015ft\u0131rmaya d\u0131\u015far\u0131dan de\u011ferlendirme yapan bilim insanlar\u0131 da bulguyu \u201cerken uyar\u0131\u201d olarak tan\u0131ml\u0131yor. Onlara g\u00f6re bu \u00e7al\u0131\u015fma, hayvandan insana ge\u00e7i\u015fte en kritik basamaklardan birinin a\u015f\u0131labilece\u011fini g\u00f6steriyor. Ancak bu olas\u0131l\u0131\u011f\u0131n ka\u00e7\u0131n\u0131lmaz oldu\u011fu s\u00f6ylenmiyor. Yani mevcut durumda ortada ba\u015flam\u0131\u015f bir salg\u0131n ya da do\u011frulanm\u0131\u015f bir insan bula\u015f\u0131 bulunmuyor; as\u0131l \u00f6nem ta\u015f\u0131yan nokta, riskin \u00f6nceden fark edilmi\u015f olmas\u0131.<\/p>\n\n\n\n

\u00c7al\u0131\u015fman\u0131n ba\u015fka yolu akci\u011ferdeki resept\u00f6r<\/strong><\/h2>\n\n\n\n

\u00c7al\u0131\u015fman\u0131n dikkat \u00e7eken bir di\u011fer bulgusu ise insan akci\u011ferindeki resept\u00f6r\u00fcn rol\u00fc oldu. Ara\u015ft\u0131rmaya g\u00f6re KY43, bu resept\u00f6re ba\u011flanarak h\u00fccreye giri\u015f sa\u011flayabiliyor. Bilim insanlar\u0131, s\u00f6z konusu mekanizman\u0131n alfakoronavir\u00fcsler a\u00e7\u0131s\u0131ndan daha \u00f6nce yeterince anla\u015f\u0131lmad\u0131\u011f\u0131n\u0131 belirtiyor.<\/p>\n\n\n\n

Elde edilen bu bulgunun, gelecekte a\u015f\u0131 ve antiviral tedavi geli\u015ftirme \u00e7al\u0131\u015fmalar\u0131na \u00f6nemli bir bilimsel temel sunabilece\u011fi ifade ediliyor.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ara\u015ft\u0131rmac\u0131lar \u00f6zellikle Do\u011fu Afrika\u2019da daha fazla saha \u00e7al\u0131\u015fmas\u0131 yap\u0131lmas\u0131 gerekti\u011fini s\u00f6yl\u00fcyor. Ama\u00e7, yaln\u0131zca tek bir vir\u00fcs\u00fc incelemek de\u011fil; ayn\u0131 resept\u00f6r\u00fc kullanabilen daha geni\u015f vir\u00fcs ailesinin ne kadar yayg\u0131n oldu\u011funu ve bunlar\u0131n insanlar i\u00e7in ne \u00f6l\u00e7\u00fcde tehdit olu\u015fturdu\u011funu anlamak. Bu t\u00fcr erken taramalar\u0131n, olas\u0131 bir ta\u015fmay\u0131 daha ya\u015fanmadan fark etmek a\u00e7\u0131s\u0131ndan kritik oldu\u011fu belirtiliyor.<\/p>\n\n\n\n

Bilim d\u00fcnyas\u0131nda as\u0131l dikkat \u00e7eken nokta, genellikle ara\u015ft\u0131rmac\u0131lar\u0131n salg\u0131nlar ba\u015flad\u0131ktan sonra geriden gelmek zorunda kalmas\u0131. Bu kez ise potansiyel risk ta\u015f\u0131yan bir vir\u00fcs, hen\u00fcz insanlarda zarar verdi\u011fine dair bir i\u015faret g\u00f6r\u00fclmeden \u00f6nce tan\u0131mlanm\u0131\u015f oldu. Uzmanlara g\u00f6re bu durum, tehdit kesinle\u015fti\u011fi i\u00e7in de\u011fil, haz\u0131rl\u0131k i\u00e7in zaman kazand\u0131rd\u0131\u011f\u0131 i\u00e7in \u00f6nemli. Yani panikten \u00e7ok izleme, veri toplama ve haz\u0131rl\u0131k \u00f6n plana \u00e7\u0131k\u0131yor.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u00c7al\u0131\u015fma ve beraberindeki de\u011ferlendirmeler, koronavir\u00fcs ailesinin son derece geni\u015f ve genetik olarak \u00e7ok \u00e7e\u015fitli oldu\u011funu bir kez daha ortaya koyuyor. Bilim insanlar\u0131na g\u00f6re hayvan vir\u00fcslerinin insan h\u00fccrelerini tan\u0131y\u0131p onlara ba\u011flanmas\u0131, t\u00fcr atlaman\u0131n \u00f6n\u00fcndeki temel engellerden biri. KY43 i\u00e7in \u015fu anda \u201cyeni pandemi ba\u015flad\u0131\u201d demek m\u00fcmk\u00fcn de\u011fil. Ancak uzmanlar, COVID-19 sonras\u0131 d\u00fcnyada bu t\u00fcr i\u015faretlerin ciddiye al\u0131nmas\u0131 gerekti\u011fini ve haz\u0131rl\u0131\u011f\u0131n ancak bu \u015fekilde m\u00fcmk\u00fcn olaca\u011f\u0131n\u0131 vurguluyor.<\/p>\n\n\n\n

Kaynak:https:\/\/www.hurriyet.com.tr\/aile\/galeri-yeni-covid-19-mu-geliyor-yarasalarda-bulunan-virus-insan-hucresine-girebildi-bilim-insanlari-alarm-verdi-43157589\/9<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

03.05.2026 17:50 Do\u011fu Afrika\u2019daki yarasalarda saptanan KY43 adl\u0131 bir koronavir\u00fcs\u00fcn insan akci\u011ferinde bulunan bir resept\u00f6re ba\u011flanabildi\u011finin ortaya \u00e7\u0131kmas\u0131, bilim d\u00fcnyas\u0131nda yeni bir uyar\u0131 yaratt\u0131. Ara\u015ft\u0131rmac\u0131lar, vir\u00fcs\u00fcn \u015fu anda insanlarda yay\u0131ld\u0131\u011f\u0131na dair kan\u0131t olmad\u0131\u011f\u0131n\u0131 vurgulasa da, bu bulgunun gelecekte ya\u015fanabilecek olas\u0131 bir s\u0131\u00e7rama i\u00e7in \u00f6nemli bir erken alarm niteli\u011fi ta\u015f\u0131d\u0131\u011f\u0131n\u0131 belirtiyor. Bilim insanlar\u0131, yarasalarda tespit edilen…<\/p>\n","protected":false},"author":5,"featured_media":7980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[2422],"class_list":["post-7976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-saglik","tag-koronavirus"],"jetpack_featured_media_url":"https:\/\/dbsnewsmedia.com\/wp-content\/uploads\/2026\/05\/88.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/7976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7976"}],"version-history":[{"count":1,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/7976\/revisions"}],"predecessor-version":[{"id":7988,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/7976\/revisions\/7988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/media\/7980"}],"wp:attachment":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}