白蘑菇上的啡點,大多是由名為P. tolaasii 的細菌引起,學名為Brown Blotch Disease(Ref1)。1130Please respect copyright.PENANAF6sq20Bt77
1130Please respect copyright.PENANAM2zuPM2mng
1130Please respect copyright.PENANA0cU38B3DbI
雖然P. tolaasii 細菌不會使人染病,但普遍大多數消費者也不會購買帶有啡點的蘑菇,只會買下白色乾淨且有彈性的白蘑菇。1130Please respect copyright.PENANAeo0ueOrYUy
1130Please respect copyright.PENANAEuyWYLvbvk
基於Brown Blotch Disease的傳染性非常之高的關係,當有一顆蘑菇受到感染,其後波及的面積將會非常巨大,讓農夫們蒙受損失。1130Please respect copyright.PENANARdLtIS3dVw
1130Please respect copyright.PENANAW0SxyfCWhG
而這種細菌同時亦會波及士多啤梨椰菜花等農作物,故此絕對不能忽視。1130Please respect copyright.PENANAT3ZOCkMHIy
1130Please respect copyright.PENANAoqBjmyq92O
1130Please respect copyright.PENANAYEoxK79od4
1130Please respect copyright.PENANAJbF61LRq8n
(圖2)已知的是,P. tolaasii 細菌會產生名為tolaasins的物質,在白蘑菇表面上產生微孔,導致啡黑色的圓點出現。1130Please respect copyright.PENANAYzN8pXU5sy
1130Please respect copyright.PENANAKHDgdH4qZk
(圖3)近日有科學家發表文章(Ref2),證實另一種類的細菌M. tolaasinivorans /M. lacteus能將環狀結構的tolaasins轉變成直線結構。1130Please respect copyright.PENANAhetANimX1l
1130Please respect copyright.PENANAIlBHCQSV1S
1130Please respect copyright.PENANAUOqGjIP2Qe
而最為重要的是,直線結構的tolaasins再也沒有能力在白蘑菇上產生啡點。1130Please respect copyright.PENANAHTYi3btgbp
1130Please respect copyright.PENANAFtfIfpJrvz
(圖4)他們亦發現,M.tolaasinivorans /M. Lacteus 同時亦能破壞P. tolaasii裡頭一隻名為pseudodesmin物質的部份結構,得以減慢P. tolaasii的生長速度。1130Please respect copyright.PENANAb9ylWuNbwS
1130Please respect copyright.PENANAboRMWjTfYC
1130Please respect copyright.PENANAtmRDjUpeyJ
1130Please respect copyright.PENANADHudA0zR3f
此項發現除了揭示可以利用細菌擊倒細菌此等手法保護農作物的手法外,同時亦指引科學家們可以研究出針對破壞該兩種物質的化學物,作為另一種保護白蘑菇等農作物外觀的手段。1130Please respect copyright.PENANAicDKOA1byO
1130Please respect copyright.PENANAMBJo9SJ5iq
「同類」擊倒同類,滲透繼而分化的破壞力,絕對是不容忽視的。1130Please respect copyright.PENANA3tcaQKv9Jb
1130Please respect copyright.PENANAqBbeSrOUso
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。1130Please respect copyright.PENANAVUvAIBccQr
1130Please respect copyright.PENANAycxKjioR4K
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/toc1130Please respect copyright.PENANAflmuwzf83K
1130Please respect copyright.PENANAlNPNM5DFlI
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。1130Please respect copyright.PENANAhabuXd2Qzg
1130Please respect copyright.PENANA8d5bkZCcbX
Link:1130Please respect copyright.PENANAJEFa51GwK2
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1130Please respect copyright.PENANAn0tM2DKQ8W
1130Please respect copyright.PENANAhyaMagxMnU
1130Please respect copyright.PENANATeoi23NYY5
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1130Please respect copyright.PENANA1zcqV3UzNA
1130Please respect copyright.PENANA9PsNVLzSDu
1130Please respect copyright.PENANA4ElTY2nsmM
Ref1:https://academic.oup.com/femsre/article/23/5/591/5332401130Please respect copyright.PENANAf9o9MJhmDB
Ref2:https://pubmed.ncbi.nlm.nih.gov/32868430/1130Please respect copyright.PENANAj3mdgxhCmL
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #58
深入淺出–白色蘑菇上的啡點
喜歡 2
閱讀 1126
書籤 148
campaign
催更 0
打賞
以 Facebook 帳號登入
或 註册/登入 以留言或加上書籤
按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人