為了生存,物種均會發展出不同款式的捕獵技倆。314Please respect copyright.PENANABJxXw9aPiw
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。314Please respect copyright.PENANAjhzm0cgEsM
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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。314Please respect copyright.PENANACnPs5us2xk
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。314Please respect copyright.PENANAnRy8gjJk07
314Please respect copyright.PENANA0V1YknHLeB
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314Please respect copyright.PENANAqztEkUCcpM
(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。314Please respect copyright.PENANAni2fVVFoDK
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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。314Please respect copyright.PENANAjbEbQsxWJ6
314Please respect copyright.PENANAfd4oLQnM6E
以這個情況來說,稱呼秀珍菌為肉食性菌類亦不之為過。314Please respect copyright.PENANANqNfsKozmc
314Please respect copyright.PENANAV6fiP8HM8Q
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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-1314Please respect copyright.PENANA9xJ2VrEl9P
314Please respect copyright.PENANA9HBJWSi2sH
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。314Please respect copyright.PENANAYqw43CzAYH
314Please respect copyright.PENANAvf2tVANeat
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/toc314Please respect copyright.PENANAR2kawmaunq
314Please respect copyright.PENANAwrzoeTnXDE
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。314Please respect copyright.PENANAc2T5Ir5Y3O
314Please respect copyright.PENANAet8I0UzDsD
Link:314Please respect copyright.PENANAA34Rrzlit7
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio314Please respect copyright.PENANAfMyd4ChrKz
314Please respect copyright.PENANA93bmZkPweB
314Please respect copyright.PENANAkbbJCl6Zlr
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。314Please respect copyright.PENANAUqWUDvnVme
314Please respect copyright.PENANAqMFuRhqbNw
Ref1:https://www.pnas.org/content/117/11/6014314Please respect copyright.PENANA3JTtZMKLuQ
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #241
三十秒科學–不要看少秀珍菇
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READS 310
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