{"id":3980,"date":"2025-10-07T10:20:58","date_gmt":"2025-10-07T13:20:58","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3980"},"modified":"2025-10-07T10:21:01","modified_gmt":"2025-10-07T13:21:01","slug":"bacterias-essenciais-para-a-saude-humana-sobrevivem-em-teste-espacial","status":"publish","type":"post","link":"https:\/\/portalam9.com.br\/?p=3980","title":{"rendered":"Bact\u00e9rias essenciais para a sa\u00fade humana sobrevivem em teste espacial"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Tempo de leitura: 2 minutos <\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pesquisadores provaram que\u00a0bact\u00e9rias importantes\u00a0para a sobreviv\u00eancia humana conseguem resistir a condi\u00e7\u00f5es extremas, como um lan\u00e7amento ao espa\u00e7o. Exemplares de\u00a0<em>Bacilus subtilis\u00a0<\/em>foram levados ao espa\u00e7o em 2022, com o lan\u00e7amento de um foguete no Centro Espacial de Esrange, no norte da Su\u00e9cia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s tr\u00eas anos analisando os resultados, os pesquisadores conclu\u00edram que as bact\u00e9rias sobreviveram \u00e0 acelera\u00e7\u00e3o r\u00e1pida, microgravidade de curta dura\u00e7\u00e3o e desacelera\u00e7\u00e3o r\u00e1pida. Os resultados da pesquisa foram publicados nesta segunda-feira (6\/10) na\u00a0revista cient\u00edfica npj Microgravity. Acredita-se que esse seja o primeiro teste em condi\u00e7\u00f5es reais realizado fora de laborat\u00f3rios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em comunicado, a coautora do artigo, Elena Ivanova, destaca que os resultados ajudam a entender quais s\u00e3o os impactos no longo prazo de eventos espaciais extremos em micro-organismos importantes para a nossa sobreviv\u00eancia.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cIsso significa que podemos projetar melhores sistemas de suporte de vida para astronautas, para mant\u00ea-los saud\u00e1veis \u200b\u200bdurante miss\u00f5es longas\u201d, diz a professora da Universidade RMIT, na Austr\u00e1lia.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Como foi feito o teste<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A equipe colocou\u00a0esporos bacterianos\u00a0em um foguete, lan\u00e7ado a 260 km de altitude, a uma acelera\u00e7\u00e3o m\u00e1xima de cerca de 13 g \u2013 13 vezes a for\u00e7a da gravidade da Terra \u2013 durante a fase de queima do segundo est\u00e1gio. Os micr\u00f3bios enfrentaram um per\u00edodo de mais de seis minutos de microgravidade \u2013 aus\u00eancia de peso. No retorno, enquanto giravam 220 vezes por segundo, as bact\u00e9rias encararam uma for\u00e7a gravitacional 30 vezes maior que a do nosso planeta.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cAo garantir que esses micr\u00f3bios possam suportar alta acelera\u00e7\u00e3o, quase aus\u00eancia de peso e desacelera\u00e7\u00e3o r\u00e1pida, podemos dar melhor suporte \u00e0 sa\u00fade dos astronautas e desenvolver sistemas sustent\u00e1veis \u200b\u200bde suporte \u00e0 vida\u201d, afirma a coautora do estudo, Gail Iles, especialista em ci\u00eancia espacial da RMIT.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Al\u00e9m do espa\u00e7o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Elena afirma que a descoberta tamb\u00e9m \u00e9 importante para a \u00e1rea de pesquisa farmac\u00eautica, que pode utilizar os dados para realizar novos experimentos em microgravidade. Com isso, medicamentos capazes de combater\u00a0bact\u00e9rias resistentes a antibi\u00f3ticos\u00a0poder\u00e3o ser criados com mais facilidade.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cA descoberta ajuda no desenvolvimento de novos tratamentos antibacterianos e no aprimoramento de nossa capacidade de combater bact\u00e9rias resistentes. Ainda estamos longe de algo assim, mas agora temos uma base para orientar pesquisas futuras\u201d, revela a pesquisadora.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Agora, os pesquisadores est\u00e3o em busca de mais recursos financeiros para realizar novos experimentos biol\u00f3gicos voltados \u00e0 microgravidade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fonte: Metr\u00f3poles <strong>\/ <\/strong>Foto: Divulga\u00e7\u00e3o\/Gail Iles\/Universidade RMIT<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tempo de leitura: 2 minutos Pesquisadores provaram que\u00a0bact\u00e9rias importantes\u00a0para a sobreviv\u00eancia humana conseguem resistir a<\/p>\n","protected":false},"author":3,"featured_media":3981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3980","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultimas-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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