聚合全网优质知识内容，持续更新AI科普、编程小知识、医学健康、科学前沿、心理成长、外刊精选、设计资源与实用干货，帮助用户高效获取有价值的学习资料和知识分享。https://learn.88lin.eu.org/?channel=CNSmydreamhttps://learn.88lin.eu.org/posts/CNSmydream-445https://learn.88lin.eu.org/posts/CNSmydream-445Wed, 29 Oct 2025 00:00:36 GMT<div class="image-list-container image-list-even"> <button type="button" class="image-preview-button image-preview-wrap" popovertarget="modal-CNSmydream-445-0" popovertargetaction="show" aria-label="Open image preview: 肠道“产氢主力”易主！《自然》子刊揭开“排气”背后的健康密码提起肠道气体，你可能只想到尴尬的“排气”"> <img src="/static/https://cdn5.telesco.pe/file/oxMSMOaOiUDoz7OuPL_5TQvb9KWuDooZvCS1w6877PXK6JfKhksbiLh9HeRAVcLQ_e1Bxm73preQXySf7NBS06fpfTGbZFd8DdP0bu9Y3pHTC_HZ50p_BjuTAUh7fWMV3NvnilkTuFgzJlaph_pPF7dqo_BhrZwZn-pf-abz8Q8klw7HtJ-Ypqz32DL85TkV70n66w5eTt-SxG6a2bdzLWAJJ_PUQa1uYysYDB-HTRblCENwq2qKtif1wcd8uTa2vcoXgUqEnUXcrnZsRhcJpOIjTHazJ5NtN9E6M3p8YpU9760hRJXo0t7SOomsCB1aOW8pF4c1vyLCtQAuKnucCg.jpg" alt="肠道“产氢主力”易主！《自然》子刊揭开“排气”背后的健康密码提起肠道气体，你可能只想到尴尬的“排气”" width="315" height="138" loading="eager" /> </button> <div class="modal" id="modal-CNSmydream-445-0" popover="auto" aria-label="Image preview"> <button type="button" class="modal__backdrop" popovertarget="modal-CNSmydream-445-0" popovertargetaction="hide" aria-label="Close image preview"></button> <button type="button" class="modal__close" popovertarget="modal-CNSmydream-445-0" popovertargetaction="hide" aria-label="Close image preview">×</button> <div class="modal__surface"> </div> </div> <button type="button" class="image-preview-button image-preview-wrap" popovertarget="modal-CNSmydream-445-1" popovertargetaction="show" aria-label="Open image preview: 肠道“产氢主力”易主！《自然》子刊揭开“排气”背后的健康密码提起肠道气体，你可能只想到尴尬的“排气”"> <img src="/static/https://cdn5.telesco.pe/file/M5nko3QxlN1JYAtgqXYCySQ39I8tRI5XnVqZOJd6FMaE-Pw25r5i9eY4p8-JRS4NQripEZ2V3p9WPgW7kC5MEowqPBjLjheJyeNtH6ZVUFn3DYjTxwHhPGDTR-Kl17c6ZPzRexWK9-B4x5E5jEI7gc5GMxYijvRzCmPZsuPOQXZU2M1KbOprMmnVWtyvz-Nm-7vfT0UI9UD1kshBtm8V1TubsuRn-zxfvkXKMJI2I8VcAQaGwDDHzheFJbk_Exfu8KSFy4b1ED1MqOlr5Jx9DkVly-cBaSJ9eywhYRyVF9vTeirhuvJ7ouJTh6uB4V9szZiPV84A2caKzOuq7UwPBg.jpg" alt="肠道“产氢主力”易主！《自然》子刊揭开“排气”背后的健康密码提起肠道气体，你可能只想到尴尬的“排气”" width="136" height="138" loading="eager" /> </button> <div class="modal" id="modal-CNSmydream-445-1" popover="auto" aria-label="Image preview"> <button type="button" class="modal__backdrop" popovertarget="modal-CNSmydream-445-1" popovertargetaction="hide" aria-label="Close image preview"></button> <button type="button" class="modal__close" popovertarget="modal-CNSmydream-445-1" popovertargetaction="hide" aria-label="Close image preview">×</button> <div class="modal__surface"> </div> </div> </div><div class="tgme_widget_message_text js-message_text">肠道“产氢主力”易主！《自然》子刊揭开“排气”背后的健康密码<br /><br />提起肠道气体，你可能只想到尴尬的“排气”。然而，研究显示，人每天释放的气体中近一半是氢气 ，它不仅制造声响，更是肠道健康的“隐藏驱动力” 。近日，《自然·微生物学》上的一项研究揭示了肠道产氢的主力军 。<br /><br />该研究发现，一种名为B组[FeFe]-氢化酶的酶是健康肠道产氢的绝对主力 。它广泛存在于拟杆菌属（Bacteroides）等主要有益菌群中 ，通过一种涉及铁和“铁氧还蛋白”（ferredoxin）的反应来支持细菌发酵生长 。<br /><br />这一发现的意义重大。数据显示，健康人群的肠道中B组氢化酶含量丰富，但在克罗恩病患者体内则显著减少，并被其他产氢酶（如A1组）所取代。这种产氢模式的紊乱是疾病的结果还是原因，将是未来的研究重点。<br /><br /><blockquote>以前只知道它“易燃易爆”，没想到还是个“健康帮手”。</blockquote><br /><br />来源：<a href="https://doi.org/10.1038/s41564-025-02154-w" target="_blank" rel="noopener" title="Nature Microbiology">Nature Microbiology</a><br /><br /><a href="/search/result?q=%23%E8%82%A0%E9%81%93%E5%BE%AE%E7%94%9F%E7%89%A9&amp;channel=CNSmydream" title="#肠道微生物">#肠道微生物</a> <a href="/search/result?q=%23%E6%B0%A2%E6%B0%94%E4%BB%A3%E8%B0%A2&amp;channel=CNSmydream" title="#氢气代谢">#氢气代谢</a> <a href="/search/result?q=%23%E5%85%8B%E7%BD%97%E6%81%A9%E7%97%85&amp;channel=CNSmydream" title="#克罗恩病">#克罗恩病</a><br /><br /><i class="emoji"><b>🧬</b></i> <a href="https://t.me/CNSmydream" target="_blank" rel="noopener" title="频道">频道</a> ｜ <i class="emoji"><b>🧑‍🔬</b></i> <a href="https://t.me/CNSmydream2" target="_blank" rel="noopener" title="群组">群组</a> ｜ <i class="emoji"><b>📨</b></i> <a href="https://t.me/sciReviewer_bot" target="_blank" rel="noopener" title="投稿">投稿</a></div>