植物雖無法躲避昆蟲的侵襲,但也並非是任蟲魚肉的存在。458Please respect copyright.PENANA7kXrACSptn458Please respect copyright.PENANAz4EcJfSlTR
458Please respect copyright.PENANAUMeviFO1Ql
它們對抗外敵的其中一道方式,就是在葉子中製造一些對昆蟲有毒的化學物。458Please respect copyright.PENANAMvx1owCS7O
如果對方膽敢吃掉自己的話,下場就只有死路一條。458Please respect copyright.PENANAITguKrlONi
458Please respect copyright.PENANAFfatofIYBK
458Please respect copyright.PENANAJZNPJhkdhR
(圖2)圖中紅色結構的是葉子其中一種專用作對付昆蟲的有毒化學物(對人類及大部份動物無害),而植物自身攜帶著一隻名為BtPMaT1的蛋白酶,它能夠將有毒的化學物改造成為無害化學物,相信是為了避免對付害蟲的時候會不慎毒害自己而設。458Please respect copyright.PENANA0BweAlBRnh458Please respect copyright.PENANAtgz85Z9Zk0
458Please respect copyright.PENANAhEGsffxERi
換句話說,植物有著製作毒藥能力的同時,亦可製作相應的解藥自保。458Please respect copyright.PENANAHTlqeRTu81
458Please respect copyright.PENANAWPJ62Zzc0U
(圖3)然而,害蟲可不是吃素的(雖然的確是在吃素),有科學家發現有部份害蟲身上竟然發展出跟植物一模一樣的BtPMaT1基因,相信是透過進食葉子時從中將該基因鑴在自己的基因圖譜裡頭,從而發展出對抗有毒化學物的方法。458Please respect copyright.PENANAT6g3tnMRfj458Please respect copyright.PENANAtssOyeOIEc
458Please respect copyright.PENANAocQFOLerx0
458Please respect copyright.PENANADCkmGNtcDN
現在有不少科學家正在研究箇中的機制,若然能成功拆解箇中的秘密,分分中可以反其道而行,將只對害蟲有毒的基因注入在植物裡頭,讓害蟲們偷取後自取滅亡。458Please respect copyright.PENANAJxatFI6AvV
458Please respect copyright.PENANAyuLTD5rOP1
458Please respect copyright.PENANAFZFYvNwgA5
458Please respect copyright.PENANAGZ1syuidLq
458Please respect copyright.PENANAClGnUWEdq6
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。458Please respect copyright.PENANAOVYYdijm6G
458Please respect copyright.PENANAL5ZJnYROaN
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/toc458Please respect copyright.PENANA22pMA5I4FI
458Please respect copyright.PENANAAWydTO4HSJ
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。458Please respect copyright.PENANAOyjOgODAlk
458Please respect copyright.PENANADdPWd2ln8D
Link:458Please respect copyright.PENANAsFjS7mVMKG
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio458Please respect copyright.PENANALc3rCofq7j
458Please respect copyright.PENANAlr8WmOCVKB
458Please respect copyright.PENANAz3QhpT9qfJ
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。458Please respect copyright.PENANA3hVuYbAx3x
458Please respect copyright.PENANAQCEk2lOKo2
Ref1:https://www.cell.com/cell/fulltext/S0092-8674(21)00164-1458Please respect copyright.PENANAAcVpGjdCE2