{"id":4271,"date":"2018-11-28T07:23:26","date_gmt":"2018-11-28T07:23:26","guid":{"rendered":"https:\/\/www.tvm.co.mz\/novosite\/2018\/11\/28\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\/"},"modified":"2018-11-28T07:23:26","modified_gmt":"2018-11-28T07:23:26","slug":"cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa","status":"publish","type":"post","link":"https:\/\/www.tvm.co.mz\/novosite\/2018\/11\/28\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\/","title":{"rendered":"Cientistas descobrem bact\u00e9rias que &#8220;comem&#8221; gases com efeito de estufa"},"content":{"rendered":"<p><span style=\"font-size: 12pt;\"><img fetchpriority=\"high\" decoding=\"async\" class=\" size-full wp-image-15094\" src=\"https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa.jpg\" alt=\"naom_55a7de0fe3afa.jpg\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa.jpg 1920w, https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa-300x169.jpg 300w, https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa-1024x576.jpg 1024w, https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa-768x432.jpg 768w, https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa-1536x864.jpg 1536w, https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa-1568x882.jpg 1568w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">&nbsp;Cientistas nos Estados Unidos descobriram cerca de duas dezenas de novas bact\u00e9rias que usam hidrocarbonetos como o metano, g\u00e1s com forte efeito de estufa, e o butano como fontes de energia para sobreviver e crescer.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Segundo os investigadores do Instituto de Ci\u00eancias Marinhas da Universidade do Texas, estas novas bact\u00e9rias podem ajudar a limitar as concentra\u00e7\u00f5es de gases de efeito de estufa na atmosfera e at\u00e9 serem \u00fateis para a limpeza de derrames de petr\u00f3leo.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Num artigo publicado hoje no boletim cient\u00edfico Nature Communications, os investigadores documentaram uma extensa diversidade nas comunidades microbianas que vivem nos sedimentos extremamente quentes localizados na bacia de Guaymas, no Golfo da Calif\u00f3rnia.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">A equipa descobriu novas esp\u00e9cies microbianas que s\u00e3o t\u00e3o geneticamente diferentes daquelas que foram previamente estudadas que representam novos ramos na \u00e1rvore da vida.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Muitas dessas esp\u00e9cies possuem capacidade de degrada\u00e7\u00e3o de subst\u00e2ncias de poluentes, semelhantes \u00e0s de outros micr\u00f3bios previamente identificados no oceano e no solo.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">&#8220;Isto mostra que os oceanos profundos cont\u00eam uma vasta biodiversidade inexplorada e que os organismos microsc\u00f3picos s\u00e3o capazes de degradar petr\u00f3leo e outras subst\u00e2ncias qu\u00edmicas prejudiciais&#8221;, disse o professor assistente de ci\u00eancia marinha Brett Baker, que liderou a investiga\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Segundo o cientista, &#8220;sob o fundo do mar existem enormes reservat\u00f3rios de gases hidrocarbonetos &#8211; incluindo metano, propano, butano e outros &#8211; e esses micr\u00f3bios impedem que esses gases com efeito estufa sejam libertados na atmosfera&#8221;.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Para o novo estudo, representando a maior amostragem gen\u00f3mica de sedimentos da Bacia de Guaymas, os investigadores recolheram sedimentos a 2.000 metros de profundidade, onde a atividade vulc\u00e2nica eleva a temperatura para cerca de 200 graus Celsius, contendo amostras de 551 genomas diferentes, 22 dos quais representaram novas entradas na \u00e1rvore da vida.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">&#8220;A \u00e1rvore da vida \u00e9 algo que as pessoas t\u00eam tentado entender desde que Darwin surgiu com o conceito, h\u00e1 mais de 150 anos, e ainda \u00e9 um alvo em movimento&#8221;, refere Baker no artigo publicado na Nature Communications.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">O investigador explicou que &#8220;tentar mapear a \u00e1rvore da vida \u00e9 realmente crucial para entender todos os aspetos da biologia&#8221;.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Apenas cerca de 0,1% dos micr\u00f3bios do mundo podem ser cultivados, o que significa que existem milhares, talvez milh\u00f5es, de micr\u00f3bios ainda a serem descobertos, adiantou.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">A equipa de Baker investiga as intera\u00e7\u00f5es entre as comunidades microbianas e os nutrientes dispon\u00edveis no ambiente, retirando amostras de sedimentos e micr\u00f3bios da natureza e, em seguida, extraindo ADN das amostras, que sequenciam para juntar os genomas individuais.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<div class='heateorSssClear'><\/div><div  class='heateor_sss_sharing_container heateor_sss_horizontal_sharing' data-heateor-sss-href='https:\/\/www.tvm.co.mz\/novosite\/2018\/11\/28\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\/'><div class='heateor_sss_sharing_title' style=\"font-weight:bold\" >Partilhe<\/div><div class=\"heateor_sss_sharing_ul\"><a aria-label=\"Facebook\" class=\"heateor_sss_facebook\" 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'Cientistas%20descobrem%20bact%C3%A9rias%20que%20%22comem%22%20gases%20com%20efeito%20de%20estufa', '' )\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewBox=\"-.3 0 32 32\" version=\"1.1\" width=\"100%\" height=\"100%\" style=\"display:block;border-radius:999px;\" xml:space=\"preserve\"><g><path fill=\"#fff\" d=\"M18 14V8h-4v6H8v4h6v6h4v-6h6v-4h-6z\" fill-rule=\"evenodd\"><\/path><\/g><\/svg><\/span><\/a><\/div><div class=\"heateorSssClear\"><\/div><\/div><div class='heateorSssClear'><\/div><br\/><p>&nbsp;Cientistas nos Estados Unidos descobriram cerca de duas dezenas de novas bact\u00e9rias que usam hidrocarbonetos como o metano, g\u00e1s com forte efeito de estufa, e o butano como fontes de energia para sobreviver e crescer. Segundo os investigadores do Instituto de Ci\u00eancias Marinhas da Universidade do Texas, estas novas bact\u00e9rias podem ajudar a limitar as concentra\u00e7\u00f5es de gases de efeito de estufa na atmosfera e at\u00e9 serem \u00fateis para a limpeza de derrames de petr\u00f3leo. Num artigo publicado hoje no boletim cient\u00edfico Nature Communications, os investigadores documentaram uma extensa diversidade nas comunidades microbianas que vivem nos sedimentos extremamente quentes localizados na bacia de Guaymas, no Golfo da Calif\u00f3rnia. A equipa descobriu novas esp\u00e9cies microbianas que s\u00e3o t\u00e3o geneticamente diferentes daquelas que foram previamente estudadas que representam novos ramos na \u00e1rvore da vida. Muitas dessas esp\u00e9cies possuem capacidade de degrada\u00e7\u00e3o de subst\u00e2ncias de poluentes, semelhantes \u00e0s de outros micr\u00f3bios previamente identificados no oceano e no solo. &#8220;Isto mostra que os oceanos profundos cont\u00eam uma vasta biodiversidade inexplorada e que os organismos microsc\u00f3picos s\u00e3o capazes de degradar petr\u00f3leo e outras subst\u00e2ncias qu\u00edmicas prejudiciais&#8221;, disse o professor assistente de ci\u00eancia marinha Brett Baker, que liderou a investiga\u00e7\u00e3o. Segundo o cientista, &#8220;sob o fundo do mar existem enormes reservat\u00f3rios de gases hidrocarbonetos &#8211; incluindo metano, propano, butano e outros &#8211; e esses micr\u00f3bios impedem que esses gases com efeito estufa sejam libertados na atmosfera&#8221;. Para o novo estudo, representando a maior amostragem gen\u00f3mica de sedimentos da Bacia de Guaymas, os investigadores recolheram sedimentos a 2.000 metros de profundidade, onde a atividade vulc\u00e2nica eleva a temperatura para cerca de 200 graus Celsius, contendo amostras de 551 genomas diferentes, 22 dos quais representaram novas entradas na \u00e1rvore da vida. &#8220;A \u00e1rvore da vida \u00e9 algo que as pessoas t\u00eam tentado entender desde que Darwin surgiu com o conceito, h\u00e1 mais de 150 anos, e ainda \u00e9 um alvo em movimento&#8221;, refere Baker no artigo publicado na Nature Communications. O investigador explicou que &#8220;tentar mapear a \u00e1rvore da vida \u00e9 realmente crucial para entender todos os aspetos da biologia&#8221;. Apenas cerca de 0,1% dos micr\u00f3bios do mundo podem ser cultivados, o que significa que existem milhares, talvez milh\u00f5es, de micr\u00f3bios ainda a serem descobertos, adiantou. A equipa de Baker investiga as intera\u00e7\u00f5es entre as comunidades microbianas e os nutrientes dispon\u00edveis no ambiente, retirando amostras de sedimentos e micr\u00f3bios da natureza e, em seguida, extraindo ADN das amostras, que sequenciam para juntar os genomas individuais.<\/p>\n<br\/><div class='heateorSssClear'><\/div><div  class='heateor_sss_sharing_container heateor_sss_horizontal_sharing' data-heateor-sss-href='https:\/\/www.tvm.co.mz\/novosite\/2018\/11\/28\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\/'><div class='heateor_sss_sharing_title' style=\"font-weight:bold\" >Partilhe<\/div><div class=\"heateor_sss_sharing_ul\"><a aria-label=\"Facebook\" class=\"heateor_sss_facebook\" href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fwww.tvm.co.mz%2Fnovosite%2F2018%2F11%2F28%2Fcientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa%2F\" title=\"Facebook\" rel=\"nofollow noopener\" target=\"_blank\" 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content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas descobrem bact\u00e9rias que &quot;comem&quot; gases com efeito de estufa - TVM - Televis\u00e3o de Mo\u00e7ambique\" \/>\n<meta property=\"og:description\" content=\"&nbsp;Cientistas nos Estados Unidos descobriram cerca de duas dezenas de novas bact\u00e9rias que usam hidrocarbonetos como o metano, g\u00e1s com forte efeito de estufa, e o butano como fontes de energia para sobreviver e crescer. Segundo os investigadores do Instituto de Ci\u00eancias Marinhas da Universidade do Texas, estas novas bact\u00e9rias podem ajudar a limitar as concentra\u00e7\u00f5es de gases de efeito de estufa na atmosfera e at\u00e9 serem \u00fateis para a limpeza de derrames de petr\u00f3leo. Num artigo publicado hoje no boletim cient\u00edfico Nature Communications, os investigadores documentaram uma extensa diversidade nas comunidades microbianas que vivem nos sedimentos extremamente quentes localizados na bacia de Guaymas, no Golfo da Calif\u00f3rnia. A equipa descobriu novas esp\u00e9cies microbianas que s\u00e3o t\u00e3o geneticamente diferentes daquelas que foram previamente estudadas que representam novos ramos na \u00e1rvore da vida. Muitas dessas esp\u00e9cies possuem capacidade de degrada\u00e7\u00e3o de subst\u00e2ncias de poluentes, semelhantes \u00e0s de outros micr\u00f3bios previamente identificados no oceano e no solo. &#8220;Isto mostra que os oceanos profundos cont\u00eam uma vasta biodiversidade inexplorada e que os organismos microsc\u00f3picos s\u00e3o capazes de degradar petr\u00f3leo e outras subst\u00e2ncias qu\u00edmicas prejudiciais&#8221;, disse o professor assistente de ci\u00eancia marinha Brett Baker, que liderou a investiga\u00e7\u00e3o. Segundo o cientista, &#8220;sob o fundo do mar existem enormes reservat\u00f3rios de gases hidrocarbonetos &#8211; incluindo metano, propano, butano e outros &#8211; e esses micr\u00f3bios impedem que esses gases com efeito estufa sejam libertados na atmosfera&#8221;. Para o novo estudo, representando a maior amostragem gen\u00f3mica de sedimentos da Bacia de Guaymas, os investigadores recolheram sedimentos a 2.000 metros de profundidade, onde a atividade vulc\u00e2nica eleva a temperatura para cerca de 200 graus Celsius, contendo amostras de 551 genomas diferentes, 22 dos quais representaram novas entradas na \u00e1rvore da vida. &#8220;A \u00e1rvore da vida \u00e9 algo que as pessoas t\u00eam tentado entender desde que Darwin surgiu com o conceito, h\u00e1 mais de 150 anos, e ainda \u00e9 um alvo em movimento&#8221;, refere Baker no artigo publicado na Nature Communications. O investigador explicou que &#8220;tentar mapear a \u00e1rvore da vida \u00e9 realmente crucial para entender todos os aspetos da biologia&#8221;. Apenas cerca de 0,1% dos micr\u00f3bios do mundo podem ser cultivados, o que significa que existem milhares, talvez milh\u00f5es, de micr\u00f3bios ainda a serem descobertos, adiantou. A equipa de Baker investiga as intera\u00e7\u00f5es entre as comunidades microbianas e os nutrientes dispon\u00edveis no ambiente, retirando amostras de sedimentos e micr\u00f3bios da natureza e, em seguida, extraindo ADN das amostras, que sequenciam para juntar os genomas individuais.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tvm.co.mz\/novosite\/2018\/11\/28\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\/\" \/>\n<meta property=\"og:site_name\" content=\"TVM - Televis\u00e3o de Mo\u00e7ambique\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mocambique.tvm\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-28T07:23:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tvm.co.mz\/novosite\/wp-content\/uploads\/2018\/11\/naom_55a7de0fe3afa.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Edson Sengo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Edson Sengo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tvm.co.mz\\\/novosite\\\/2018\\\/11\\\/28\\\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tvm.co.mz\\\/novosite\\\/2018\\\/11\\\/28\\\/cientistas-descobrem-bacterias-que-comem-gases-com-efeito-de-estufa\\\/\"},\"author\":{\"name\":\"Edson Sengo\",\"@id\":\"https:\\\/\\\/www.tvm.co.mz\\\/novosite\\\/#\\\/schema\\\/person\\\/4f8d2d8300c04d5b1fb83b3ddbddb72e\"},\"headline\":\"Cientistas descobrem bact\u00e9rias que &#8220;comem&#8221; 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Para o novo estudo, representando a maior amostragem gen\u00f3mica de sedimentos da Bacia de Guaymas, os investigadores recolheram sedimentos a 2.000 metros de profundidade, onde a atividade vulc\u00e2nica eleva a temperatura para cerca de 200 graus Celsius, contendo amostras de 551 genomas diferentes, 22 dos quais representaram novas entradas na \u00e1rvore da vida. &#8220;A \u00e1rvore da vida \u00e9 algo que as pessoas t\u00eam tentado entender desde que Darwin surgiu com o conceito, h\u00e1 mais de 150 anos, e ainda \u00e9 um alvo em movimento&#8221;, refere Baker no artigo publicado na Nature Communications. O investigador explicou que &#8220;tentar mapear a \u00e1rvore da vida \u00e9 realmente crucial para entender todos os aspetos da biologia&#8221;. Apenas cerca de 0,1% dos micr\u00f3bios do mundo podem ser cultivados, o que significa que existem milhares, talvez milh\u00f5es, de micr\u00f3bios ainda a serem descobertos, adiantou. 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