{"id":7513,"date":"2020-08-10T18:11:32","date_gmt":"2020-08-10T21:11:32","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=7513"},"modified":"2021-08-29T18:46:09","modified_gmt":"2021-08-29T21:46:09","slug":"a-flor-ancestral","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/a-flor-ancestral\/","title":{"rendered":"A flor ancestral"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>A flor ancestral: <\/strong><span style=\"color: #000000;\">Estudo baseado na an\u00e1lise da estrutura floral de esp\u00e9cies atuais, f\u00f3sseis e dados filogen\u00e9ticos moleculares de 792 esp\u00e9cies de angiospermas ajudou a elucidar como seria a planta que originou as angiospermas.<\/span><\/span><\/span><\/p>\n<h2><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>A flor ancestral<\/strong><\/span><\/h2>\n<p><span style=\"font-size: 8pt; color: #000000;\">10\/8\/2020 ::\u00a0 Pesquisa FAPESP. \u00a0<span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">CC BY-ND 4.0<\/a><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>A<\/strong><\/span><\/span>\u00a0a<span style=\"color: #000000;\">ncestral das angiospermas (plantas com flores) atuais provavelmente tinha flores bissexuais e de simetria radial, com pelo menos 10 s\u00e9palas (estruturas semelhantes a folhas, externas \u00e0s p\u00e9talas) e cinco carpelos (folhas modificadas que abrigam os \u00f3vulos da flor) arranjados em forma de espiral. <\/span><\/p>\n<figure id=\"attachment_7454\" aria-describedby=\"caption-attachment-7454\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/as-fantasticas-bromelias\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7454\" data-permalink=\"https:\/\/biologo.com.br\/bio\/as-fantasticas-bromelias\/bromelia-copo\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/bromelia-copo.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"bromelia-copo\" data-image-description=\"&lt;p&gt;bromelia copo. As Fant\u00e1sticas Brom\u00e9lias. Brom\u00e9lia Neoregelia Red Verde Flores Folhas&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/bromelia-copo.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-7454 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/bromelia-copo.jpg?resize=300%2C167&#038;ssl=1\" alt=\"As Fant\u00e1sticas Brom\u00e9lias\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/bromelia-copo.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/bromelia-copo.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-7454\" class=\"wp-caption-text\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/as-fantasticas-bromelias\/\">As Fant\u00e1sticas Brom\u00e9lias<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">A prov\u00e1vel estrutura resulta de um estudo sobre evolu\u00e7\u00e3o floral de angiospermas que reuniu bot\u00e2nicos da Fran\u00e7a, \u00c1ustria, Estados Unidos e Brasil (Juliana El Ottra, da Universidade de S\u00e3o Paulo).<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/abelhas-escolhem-flores-pelo-cheiro\/\">Abelhas escolhem flores pelo cheiro<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/dia-mundial-das-florestas\/\">Dia Mundial das Florestas<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">O estudo se baseou na an\u00e1lise da estrutura floral de esp\u00e9cies atuais e de f\u00f3sseis e em dados filogen\u00e9ticos moleculares de 792 esp\u00e9cies de angiospermas (Nature Communications, 1\u00ba de agosto de 2017).<\/span><\/p>\n<blockquote><p><span style=\"font-family: 'courier new', courier, monospace; color: #ffffff;\">A flor ancestral das angiospermas atuais deve ter vivido entre 250 milh\u00f5es e 140 milh\u00f5es de anos atr\u00e1s.<\/span><\/p><\/blockquote>\n<h3><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt; color: #000000;\"><strong>A m\u00e3e de todas as flores<\/strong><\/span><\/h3>\n<figure id=\"attachment_6201\" aria-describedby=\"caption-attachment-6201\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/artimanhas-das-flores\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6201\" data-permalink=\"https:\/\/biologo.com.br\/bio\/artimanhas-das-flores\/artimanhas-das-flores-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Artimanhas-das-flores.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Artimanhas-das-flores\" data-image-description=\"&lt;p&gt;Artimanhas das flores. Abelha na flor&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Artimanhas das flores&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Artimanhas-das-flores.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6201 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Artimanhas-das-flores.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Artimanhas das flores\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Artimanhas-das-flores.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Artimanhas-das-flores.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-6201\" class=\"wp-caption-text\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/artimanhas-das-flores\/\">Artimanhas das flores<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Apesar das incertezas remanescentes sobre alguns aspectos da reconstru\u00e7\u00e3o da flor primordial, esse estudo sugere as poss\u00edveis transforma\u00e7\u00f5es das estruturas das flores ao longo da evolu\u00e7\u00e3o com base em uma amostragem ampla e m\u00e9todos de an\u00e1lise refinados.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/fantastica-flora-brasileira\/\">Fant\u00e1stica Flora Brasileira<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/morcegos-buscam-florestas-preservadas\/\">Morcegos buscam florestas preservadas<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\"> O ancestral comum mais recente das esp\u00e9cies atuais de angiospermas deve ter vivido entre 250 milh\u00f5es e 140 milh\u00f5es de anos atr\u00e1s. <\/span><\/p>\n<p><span style=\"color: #000000;\">J\u00e1 o ancestral das plantas com sementes, que inclui as angiospermas e as gimnospermas (sem flores), deve ter vivido entre 350 milh\u00f5es e 310 milh\u00f5es de anos atr\u00e1s.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-size: 10pt;\">Fonte: <a style=\"color: #000000;\" href=\"https:\/\/revistapesquisa.fapesp.br\/\" target=\"_blank\" rel=\"noopener noreferrer\">Revista Fapesp<\/a> &gt;\u00a0<\/span><\/span><span style=\"font-size: 10pt;\"><a title=\"A m\u00e3e de todas as flores\" href=\"https:\/\/revistapesquisa.fapesp.br\/a-mae-de-todas-as-flores\/\">A m\u00e3e de todas as flores<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A flor ancestral: Estudo baseado na an\u00e1lise da estrutura floral de esp\u00e9cies atuais, f\u00f3sseis e dados filogen\u00e9ticos moleculares de 792<\/p>\n","protected":false},"author":1,"featured_media":7515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"A flor ancestral: Estudo baseado na an\u00e1lise da estrutura floral de esp\u00e9cies atuais, f\u00f3sseis e dados filogen\u00e9ticos moleculares de 792 esp\u00e9cies de angiospermas ajuda a elucidar como seria a planta que originou as angiospermas.","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[11,121,137],"tags":[],"class_list":["post-7513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-botanica","category-evolucao","category-fisiologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A flor ancestral: Origem das angiospermas - Bot\u00e2nica - Bi\u00f3logo<\/title>\n<meta name=\"description\" content=\"Estudo e an\u00e1lise da estrutura floral de esp\u00e9cies atuais, f\u00f3sseis e dados moleculares de 792 esp\u00e9cies de angiospermas... 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