Pe m\u0103sur\u0103 ce temperaturile globale cresc, industria zootehnic\u0103 se confrunt\u0103 cu provoc\u0103ri semnificative, \u00een special pentru rase precum bovinele Angus, care sunt sensibile la stresul termic. Stresul termic poate avea un impact negativ asupra s\u0103n\u0103t\u0103\u021bii, productivit\u0103\u021bii \u0219i calit\u0103\u021bii c\u0103rnii bovinelor.<\/p>\n\n
Cercet\u0103torii exploreaz\u0103 modificarea genetic\u0103 ca o solu\u021bie poten\u021bial\u0103 pentru a \u00eembun\u0103t\u0103\u021bi toleran\u021ba la c\u0103ldur\u0103 la bovine. Modific\u00e2nd gene specifice, oamenii de \u0219tiin\u021b\u0103 \u00ee\u0219i propun s\u0103 creeze vaci care s\u0103 reziste mai bine la temperaturile \u00een cre\u0219tere.<\/p>\n\n
Studiile au ar\u0103tat o corela\u021bie \u00eentre culoarea hainei \u0219i toleran\u021ba la c\u0103ldur\u0103 la bovine. Bovinele cu p\u0103r alb \u0219i bej tind s\u0103 fie mai tolerante la c\u0103ldur\u0103 dec\u00e2t bovinele cu p\u0103r ro\u0219u sau negru. Acest lucru se datoreaz\u0103 faptului c\u0103 hainele albe reflect\u0103 mai mult\u0103 lumin\u0103 solar\u0103, reduc\u00e2nd absorb\u021bia de c\u0103ldur\u0103.<\/p>\n\n
Un start-up numit Climate Adaptive Genetics lucreaz\u0103 pentru a dezvolta o vac\u0103 Angus alb\u0103 care combin\u0103 toleran\u021ba la c\u0103ldur\u0103 a culorii albe a hainei cu tr\u0103s\u0103turile dorite ale rasei Angus. Cercet\u0103torii folosesc o tehnic\u0103 de editare a genelor numit\u0103 TALEN pentru a insera gene de la bovine africane cu bl\u0103nuri netede \u0219i bovine Scottish Silver Galloway cu bl\u0103nuri albe \u00een ADN-ul Angus.<\/p>\n\n
Procesul de editare a genelor implic\u0103 prelevarea de celule ale pielii de la o vac\u0103 Angus campioan\u0103 \u0219i modificarea ADN-ului pentru a ad\u0103uga tr\u0103s\u0103turile genetice dorite. Celulele pielii editate sunt apoi clonate \u00een embrioni, care sunt implanta\u021bi \u00een vaci femele \u0219i du\u0219i la termen.<\/p>\n\n
De\u0219i cercetarea este \u00eenc\u0103 \u00een stadii incipiente, beneficiile poten\u021biale ale vacilor modificate genetic, tolerante la c\u0103ldur\u0103, sunt semnificative. Cu toate acestea, proiectul se confrunt\u0103 cu provoc\u0103ri \u00een ob\u021binerea aprob\u0103rii de reglementare de la Food and Drug Administration (FDA) din SUA \u0219i \u00een dep\u0103\u0219irea scepticismului publicului cu privire la alimentele modificate genetic.<\/p>\n\n
Dincolo de toleran\u021ba la c\u0103ldur\u0103, ingineria genetic\u0103 este, de asemenea, explorat\u0103 pentru alte aplica\u021bii \u00een produc\u021bia de bovine. Cercet\u0103torii lucreaz\u0103 pentru a dezvolta bovine f\u0103r\u0103 coarne \u0219i vaci hipoalergenice.<\/p>\n\n
Ingineria genetic\u0103 promite s\u0103 \u00eembun\u0103t\u0103\u021beasc\u0103 toleran\u021ba la c\u0103ldur\u0103 a bovinelor \u0219i s\u0103 abordeze provoc\u0103rile puse de schimb\u0103rile climatice. Cu toate acestea, sunt necesare cercet\u0103ri suplimentare, aprob\u0103ri de reglementare \u0219i acceptarea publicului \u00eenainte ca vacile modificate genetic s\u0103 devin\u0103 o realitate.<\/p>","protected":false},"excerpt":{"rendered":"
Vacile modificate genetic pentru a face fa\u021b\u0103 c\u0103ldurii Toleran\u021ba la c\u0103ldur\u0103 la bovine Pe m\u0103sur\u0103 ce temperaturile globale cresc, industria zootehnic\u0103 se confrunt\u0103 cu provoc\u0103ri semnificative, \u00een special pentru rase…<\/p>\n","protected":false},"author":6,"featured_media":23378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1763],"tags":[287,18342,3874,34,120,12264],"class_list":["post-15807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biotechnology","tag-agriculture","tag-cattle","tag-genetic-engineering","tag-climate-change","tag-sustainability","tag-heat-tolerance"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=15807"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15807\/revisions"}],"predecessor-version":[{"id":15808,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15807\/revisions\/15808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media\/23378"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=15807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=15807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=15807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}