植物雖無法躲避昆蟲的侵襲,但也並非是任蟲魚肉的存在。224Please respect copyright.PENANACalW3N6Uat
224Please respect copyright.PENANA75mLu41vVl
224Please respect copyright.PENANAt6QGhTn1c2
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。224Please respect copyright.PENANAQyvwQiaVGR
如果對方膽敢吃掉自己的話,下場就只有死路一條。224Please respect copyright.PENANAVvP0eRl4IO
224Please respect copyright.PENANAdPBS5Zzubz
224Please respect copyright.PENANAxzkF45UBAl
(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。224Please respect copyright.PENANAHsyND6SdNp
224Please respect copyright.PENANAepKL21EHT2
224Please respect copyright.PENANAxgOt3WD2hH
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。224Please respect copyright.PENANAW9qrPsJs1S
224Please respect copyright.PENANAy7K57tv5Kv
(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。224Please respect copyright.PENANA2rWARHvjyP
224Please respect copyright.PENANAbGhmkN950k
224Please respect copyright.PENANAgGCY3BynRN
224Please respect copyright.PENANABLf1AfEWRF
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。224Please respect copyright.PENANASpBeFvOQqV
224Please respect copyright.PENANAl3PXXhNYtp
224Please respect copyright.PENANAvLuEKA5J7y
224Please respect copyright.PENANApMYW3MVru2
224Please respect copyright.PENANATTtx0vt9Ym
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。224Please respect copyright.PENANA4PCipVdItK
224Please respect copyright.PENANAqcv8WWUV33
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/toc224Please respect copyright.PENANAyJH1HEZq1s
224Please respect copyright.PENANAkE4aY6mSDD
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。224Please respect copyright.PENANAqYC8oMSjNU
224Please respect copyright.PENANAJW3Z19ZezQ
Link:224Please respect copyright.PENANAwTKbn44GRT
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio224Please respect copyright.PENANAGrjOSoZv0n
224Please respect copyright.PENANAXyuHr1iegm
224Please respect copyright.PENANAzNVXCsn4RO
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。224Please respect copyright.PENANAhUwbuUk5m0
224Please respect copyright.PENANAAcjzII3BNm
Ref1:https://www.cell.com/cell/fulltext/S0092-8674(21)00164-1224Please respect copyright.PENANAyGlw5bMbYs
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #210
三十秒科學–害蟲反制植物的防禦機制
LIKES 1
READS 220
BOOKMARKS 148
campaign
Request update 0
Sponsor
Login with Facebook
or Sign up/Login to comment or bookmark!
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This