為了生存,物種均會發展出不同款式的捕獵技倆。554Please respect copyright.PENANAlPB6Wgs1zn
這次我們將會講解經常在超級市場見到的秀珍菇,如何在大自然間捕殺獵物來獲取營養。554Please respect copyright.PENANACi4yzU93wV554Please respect copyright.PENANA7C9SkWZqUs
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(圖2)在泥土底下,蘑菇發展出名為菌絲的結構,其中之一的作用就是從泥土中吸取營養。554Please respect copyright.PENANAT9GMXlCEB7
而科學家發現,秀珍菇的菌絲還有一道獨特的地方,能夠將泥土中的桿線蟲置諸死地。554Please respect copyright.PENANAqdaWCn38gG554Please respect copyright.PENANAIi0nOkgfVD
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(圖3)當處於泥土的桿線蟲不慎碰到秀珍菇的菌絲之時,菌絲便會透過桿線蟲表面的絨毛觸發桿線蟲部份的神經,促使桿線蟲頭部及口腔附近的肌肉不斷抽搐,最終引發細胞啟動死亡機制逝世。554Please respect copyright.PENANAchC4mafQjZ554Please respect copyright.PENANA4BDzqRXGwt
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逝去的桿線蟲被泥土的細菌分解後,秀珍菌便可透過菌絲吸取氮元素等物質供自己所需,這機制在土地貧瘠的區域尤其重要。554Please respect copyright.PENANApqlG1byytY
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以這個情況來說,稱呼秀珍菌為肉食性菌類亦不之為過。554Please respect copyright.PENANA4r4n7A7LOV
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延伸影片–桿線蟲觸碰菌絲後的下場:https://movie-usa.glencoesoftware.com/video/10.1073/pnas.1918473117/video-1554Please respect copyright.PENANAOu75HtDF2w
554Please respect copyright.PENANAzEogXYa0iy
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。554Please respect copyright.PENANAPOwBl1u1vF
554Please respect copyright.PENANAbXkI6c5Tid
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/toc554Please respect copyright.PENANAUAoeGjcNdb
554Please respect copyright.PENANAMWZnWYDqWe
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。554Please respect copyright.PENANAfNGCbWjeAx
554Please respect copyright.PENANAyZMG7sKWok
Link:554Please respect copyright.PENANAcTE9ZJZDaO
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio554Please respect copyright.PENANAxgM900RxLN
554Please respect copyright.PENANAEIO93gBHMb
554Please respect copyright.PENANAJYzinffKgo
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。554Please respect copyright.PENANAPoGehVQcZ6
554Please respect copyright.PENANA1X5HVEhQYN
Ref1:https://www.pnas.org/content/117/11/6014554Please respect copyright.PENANAYzPti0jCW5
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #241
三十秒科學–不要看少秀珍菇
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