{"id":13519,"date":"2008-11-11T00:00:00","date_gmt":"2008-11-11T05:00:00","guid":{"rendered":"http:\/\/www.farmchemicalsinternational.com\/2008\/11\/11\/scientists-identify-plant-heat-tolerance-gene\/"},"modified":"2019-09-16T13:50:00","modified_gmt":"2019-09-16T17:50:00","slug":"scientists-identify-plant-heat-tolerance-gene","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/pt\/markets\/scientists-identify-plant-heat-tolerance-gene\/","title":{"rendered":"Cientistas identificam gene de toler\u00e2ncia ao calor em plantas"},"content":{"rendered":"

Cientistas de plantas em Universidade Estadual de Michigan<\/a> (MSU) descobriram o gene que controla a resposta das plantas a altas temperaturas, relata o MSU News. O gene, bZIP28, ajuda a regular a resposta ao estresse t\u00e9rmico em Arabidopsis thaliana, uma planta da fam\u00edlia da mostarda usada em estudos gen\u00e9ticos. A pesquisa foi publicada na edi\u00e7\u00e3o de 6 de outubro do peri\u00f3dico Proceedings of the Academia Nacional de Ci\u00eancias<\/a>.<\/p>\n

Em pesquisas anteriores, o n\u00facleo celular e o fluido citos\u00f3lico dentro das c\u00e9lulas demonstraram desempenhar um papel na forma como as plantas respondem ao calor. A membrana celular do ret\u00edculo endoplasm\u00e1tico \u00e9 a principal respons\u00e1vel por empacotar e armazenar prote\u00ednas na c\u00e9lula. No entanto, afirma Robert Larkin, professor assistente de bioqu\u00edmica e biologia molecular da MSU e autor correspondente do artigo: "Tamb\u00e9m descobrimos que o bZIP28 estava respondendo a sinais do ret\u00edculo endoplasm\u00e1tico, o que representa a primeira vez que o RE demonstra estar envolvido na resposta ao calor. Estamos descobrindo que a toler\u00e2ncia ao calor \u00e9 um processo mais complexo do que se pensava inicialmente."<\/p>\n

Plantas com o gene bZIP28 inativo morrem assim que as temperaturas atingem um determinado n\u00edvel. A pesquisa para entender como esse processo funciona \u2013 o que poderia permitir que melhoristas de plantas criassem novas variedades de culturas que prosperassem em climas mais quentes e secos \u2013 continuar\u00e1.<\/p>","protected":false},"excerpt":{"rendered":"

Cientistas de plantas da Universidade Estadual de Michigan (MSU) descobriram o gene que controla como as plantas respondem a altas temperaturas, relatam\u2026<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5],"tags":[],"class_list":["post-13519","post","type-post","status-publish","format-standard","hentry","category-markets"],"yoast_head":"\nScientists Identify Plant Heat-Tolerance Gene - AgriBusiness Global<\/title>\n<meta name=\"description\" content=\"Plant scientists at Michigan State University (MSU) have discovered the gene that controls how plants respond to high temperatures, reports MSU News. 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