{"id":15807,"date":"2024-05-22T00:28:40","date_gmt":"2024-05-22T00:28:40","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15807"},"modified":"2024-05-22T00:28:40","modified_gmt":"2024-05-22T00:28:40","slug":"genetically-engineered-heat-tolerant-cows","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/biotechnology\/genetically-engineered-heat-tolerant-cows\/","title":{"rendered":"Geneticky modifikovan\u00e9 kr\u00e1vy poraz\u00ed horko"},"content":{"rendered":"

Geneticky modifikovan\u00e9 kr\u00e1vy, kter\u00e9 zvl\u00e1dnou horko<\/h2>\n\n

Teplotn\u00ed tolerance u hov\u011bz\u00edho dobytka<\/h2>\n\n

S rostouc\u00edmi glob\u00e1ln\u00edmi teplotami \u010del\u00ed pr\u016fmysl hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at velk\u00fdm v\u00fdzv\u00e1m, zejm\u00e9na u plemen, jako je skot Angus, kter\u00e9 je citliv\u00e9 na tepeln\u00fd stres. Tepeln\u00fd stres m\u016f\u017ee m\u00edt negativn\u00ed dopad na zdrav\u00ed, produktivitu a kvalitu masa skotu.<\/p>\n\n

Genetick\u00e1 modifikace pro odolnost v\u016f\u010di teplu<\/h2>\n\n

V\u011bdci zkoumaj\u00ed genetickou modifikaci jako potenci\u00e1ln\u00ed \u0159e\u0161en\u00ed pro zlep\u0161en\u00ed teplotn\u00ed tolerance u skotu. Zm\u011bnou specifick\u00fdch gen\u016f se v\u011bdci sna\u017e\u00ed vytvo\u0159it kr\u00e1vy, kter\u00e9 budou l\u00e9pe odol\u00e1vat rostouc\u00edm teplot\u00e1m.<\/p>\n\n

B\u00edl\u00e1 barva srsti a teplotn\u00ed tolerance<\/h2>\n\n

Studie prok\u00e1zaly korelaci mezi barvou srsti a teplotn\u00ed toleranc\u00ed u skotu. Skot s b\u00edlou a b\u00e9\u017eovou srst\u00ed b\u00fdv\u00e1 teplotn\u011b tolerantn\u011bj\u0161\u00ed ne\u017e skot s \u010dervenou nebo \u010dernou srst\u00ed. Je to zp\u016fsobeno t\u00edm, \u017ee b\u00edl\u00e1 srst odr\u00e1\u017e\u00ed v\u00edce slune\u010dn\u00edho sv\u011btla, co\u017e sni\u017euje vst\u0159eb\u00e1v\u00e1n\u00ed tepla.<\/p>\n\n

Vytv\u00e1\u0159en\u00ed b\u00edl\u00fdch krav Angus<\/h2>\n\n

Startup s n\u00e1zvem Climate Adaptive Genetics pracuje na v\u00fdvoji b\u00edl\u00e9 kr\u00e1vy Angus, kter\u00e1 kombinuje teplotn\u00ed toleranci b\u00edl\u00e9 barvy srsti s \u017e\u00e1douc\u00edmi vlastnostmi plemene Angus. V\u011bdci pou\u017e\u00edvaj\u00ed techniku editace gen\u016f nazvanou TALEN k vlo\u017een\u00ed gen\u016f z africk\u00e9ho skotu s hladkou srst\u00ed a skotsk\u00e9ho plemene Silver Galloway s b\u00edlou srst\u00ed do DNA Angus.<\/p>\n\n

Editace DNA a klonov\u00e1n\u00ed<\/h2>\n\n

Proces editace gen\u016f zahrnuje odebr\u00e1n\u00ed ko\u017en\u00edch bun\u011bk od \u0161ampionky plemene Angus a zm\u011bnu DNA tak, aby se p\u0159idaly po\u017eadovan\u00e9 genetick\u00e9 vlastnosti. Upraven\u00e9 ko\u017en\u00ed bu\u0148ky se pot\u00e9 klonuj\u00ed do embry\u00ed, kter\u00e1 se implantuj\u00ed samic\u00edm krav a donos\u00ed se do porodu.<\/p>\n\n

Regula\u010dn\u00ed schv\u00e1len\u00ed a ve\u0159ejn\u00e1 akceptace<\/h2>\n\n

I kdy\u017e je v\u00fdzkum st\u00e1le v ran\u00e9 f\u00e1zi, potenci\u00e1ln\u00ed p\u0159\u00ednosy geneticky modifikovan\u00fdch krav odoln\u00fdch v\u016f\u010di teplu jsou zna\u010dn\u00e9. Projekt v\u0161ak \u010del\u00ed v\u00fdzv\u00e1m p\u0159i z\u00edsk\u00e1v\u00e1n\u00ed regula\u010dn\u00edho schv\u00e1len\u00ed od \u00da\u0159adu pro kontrolu potravin a l\u00e9\u010div USA (FDA) a p\u0159ekon\u00e1v\u00e1n\u00ed ve\u0159ejn\u00e9 skepse ohledn\u011b geneticky modifikovan\u00fdch potravin.<\/p>\n\n

Dal\u0161\u00ed aplikace genetick\u00e9ho in\u017een\u00fdrstv\u00ed u skotu<\/h2>\n\n

Krom\u011b odolnosti v\u016f\u010di teplu se genetick\u00e9 in\u017een\u00fdrstv\u00ed zkoum\u00e1 tak\u00e9 pro dal\u0161\u00ed aplikace v chovu skotu. V\u011bdci pracuj\u00ed na v\u00fdvoji bezroh\u00e9ho skotu a hypoalergenn\u00edch krav.<\/p>\n\n

Z\u00e1v\u011br<\/h2>\n\n

Genetick\u00e9 in\u017een\u00fdrstv\u00ed slibuje zlep\u0161en\u00ed teplotn\u00ed tolerance skotu a \u0159e\u0161en\u00ed v\u00fdzev, kter\u00e9 p\u0159in\u00e1\u0161\u00ed zm\u011bna klimatu. P\u0159edt\u00edm, ne\u017e se geneticky modifikovan\u00e9 kr\u00e1vy stanou realitou, je v\u0161ak nutn\u00fd dal\u0161\u00ed v\u00fdzkum, regula\u010dn\u00ed schv\u00e1len\u00ed a ve\u0159ejn\u00e1 akceptace.<\/p>","protected":false},"excerpt":{"rendered":"

Geneticky modifikovan\u00e9 kr\u00e1vy, kter\u00e9 zvl\u00e1dnou horko Teplotn\u00ed tolerance u hov\u011bz\u00edho dobytka S rostouc\u00edmi glob\u00e1ln\u00edmi teplotami \u010del\u00ed pr\u016fmysl hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at velk\u00fdm v\u00fdzv\u00e1m, zejm\u00e9na u plemen, jako je skot Angus, kter\u00e9 je…<\/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":[3874,18342,12264,120,287,34],"class_list":["post-15807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biotechnology","tag-genetic-engineering","tag-cattle","tag-heat-tolerance","tag-sustainability","tag-agriculture","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=15807"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15807\/revisions"}],"predecessor-version":[{"id":15808,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15807\/revisions\/15808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23378"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=15807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=15807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=15807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}