科普專欄–薯不揀單 - 深入淺出–能夠對抗紫外線照射的生物

高強度的紫外光、高溫高壓無氧氣，單憑字面來看已經感受到其強大的破壞力，究竟地球上還有沒有生物可以在這嚴峻的環境生存得到?450Please respect copyright.ＰＥＮＡＮＡcGbYOdwxgH
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水熊蟲(Water Bears)，就是其中一種能夠活下來的生物。450Please respect copyright.ＰＥＮＡＮＡ5VWgtx4iGG
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（圖2）水熊蟲是約長0.5-1mm的小型動物，屬於緩步動物科，約有1300隻品種。450Please respect copyright.ＰＥＮＡＮＡEOIDYzcFy9
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牠們大多聚居在潮濕土壤及青苔裡頭，深海裡頭亦能找到牠們的蹤影，甚至在太空環境亦能生存得到，生命力非常頑強。450Please respect copyright.ＰＥＮＡＮＡ8xaMCkJDYH
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（圖3）最近有科學家發現（Fig1)，某品種對紫外光呈高抗性的水熊蟲品種，會在紫外光照射底下發出藍光。450Please respect copyright.ＰＥＮＡＮＡGrEp0mxQR0
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他們亦嘗試抽取水熊蟲水溶性的部份，發覺裡頭的色素能夠有效為其他低紫外光抗性的水熊蟲及其他蟲類抵擋紫外光帶來的殺傷力。450Please respect copyright.ＰＥＮＡＮＡuhpjQPZ3Ax
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除水熊蟲外，鸚鵡在紫外光下均會發出螢光，但會否為牠們帶來紫外線的抵抗力還是疑問。450Please respect copyright.ＰＥＮＡＮＡ4Dz0s0er4Z
而水熊蟲這種抵禦紫外角的色素科學結構，還需進一步的研究才能確立。450Please respect copyright.ＰＥＮＡＮＡV8ETwzZyNR
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。450Please respect copyright.ＰＥＮＡＮＡq9w93xLpOq
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc450Please respect copyright.ＰＥＮＡＮＡ8NH16pnACh
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。450Please respect copyright.ＰＥＮＡＮＡw0J0zs0T5J
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Link:450Please respect copyright.ＰＥＮＡＮＡ1pnQT9kInO
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio450Please respect copyright.ＰＥＮＡＮＡYzI4tCIlIG
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。450Please respect copyright.ＰＥＮＡＮＡA2vfNRodnf
Ref1:https://royalsocietypublishing.org/doi/10.1098/rsbl.2020.0391450Please respect copyright.ＰＥＮＡＮＡF2H5gdrO7R

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