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?287Please respect copyright.PENANAnU3G91BeFq
287Please respect copyright.PENANAKoQh9gMnRt
287Please respect copyright.PENANAIx8Ie0sQkj
水熊蟲(Water Bears),就是其中一種能夠活下來的生物。287Please respect copyright.PENANAomUv92tNuW
287Please respect copyright.PENANAWLS9V9MO8G
(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。287Please respect copyright.PENANALCBR3XtRrV
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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。287Please respect copyright.PENANA2VpGeIGgHJ
287Please respect copyright.PENANAMm7hKBdxWr
(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。287Please respect copyright.PENANAvlTeATX2k0
287Please respect copyright.PENANAvm8ytGeC0x
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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。287Please respect copyright.PENANAa70Zrgir3E
287Please respect copyright.PENANA1G5eZWKgae
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。287Please respect copyright.PENANAcbOMWZHOI0
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。287Please respect copyright.PENANA8THiQhGlYN
287Please respect copyright.PENANA0jdfyZpaya
287Please respect copyright.PENANAuWCdHNzriv
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。287Please respect copyright.PENANANnejIz51lo
287Please respect copyright.PENANAI9GLLgl3NI
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/toc287Please respect copyright.PENANACS1GODOa2b
287Please respect copyright.PENANAouwlRDiGS3
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。287Please respect copyright.PENANAbCBMLv1Dfl
287Please respect copyright.PENANAokmO7htW93
Link:287Please respect copyright.PENANA7YFRU3FfC9
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio287Please respect copyright.PENANAZeNDUmUP81
287Please respect copyright.PENANALzKGypgHTy
287Please respect copyright.PENANAzhXi0EKgsZ
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。287Please respect copyright.PENANAn5hHZTyKCf
Ref1:https://royalsocietypublishing.org/doi/10.1098/rsbl.2020.0391287Please respect copyright.PENANAjHoWAQAMHX
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科普專欄–薯不揀單
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #79
深入淺出–能夠對抗紫外線照射的生物
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