粒線體在大部份的教科書裡均會被描繪成為橢圓形狀,然而這與事實是完全的背道而馳。385Please respect copyright.PENANAqFlMFPAmJU
粒線體在細胞內並無固定形態,且經常會改變自身的形狀。385Please respect copyright.PENANAWs3pXJ02Ot
385Please respect copyright.PENANAmCG06CKqk1
385Please respect copyright.PENANApgVsmXZ6wN
385Please respect copyright.PENANAmvuQDx61bz
(圖2)圖中的鬼劃符並非是茶餐廳侍應生字體、亦不是醫生字體,而是粒線體的各種倩影。385Please respect copyright.PENANAxCTGkN2lm0
385Please respect copyright.PENANAZBLhXCvf3r
385Please respect copyright.PENANASb8XbI93Xx
由此可見得到粒線體的形象百變,絕非是普通的一個橢圓形這麼簡單。385Please respect copyright.PENANAKb834RaGph
385Please respect copyright.PENANAB3FFVaNdfL
另一點值得注意的是圖中的藍色三角型,它標示著粒線體即將一分為二的位置;385Please respect copyright.PENANAXmWcmHEuS7
有一些處於中間位置,而有一些則位於界乎邊緣的位置。385Please respect copyright.PENANAZYu49vugZo
385Please respect copyright.PENANAOdf8Vmlu2X
385Please respect copyright.PENANAZr2o2epBV8
(圖3)橙色框架為粒線體在邊緣位置一分為二,而綠色框架為粒線體在中間位置一分為二。385Please respect copyright.PENANAfKBeRA7whp
385Please respect copyright.PENANAH4FBPHM1Fi
385Please respect copyright.PENANAjNY9rTYuqU
兩者的分別究竟是隨機所致,還是別有用心做成的呢?385Please respect copyright.PENANAOyg57Kbl7y
385Please respect copyright.PENANAJLnNNS78fq
(圖4)經過一系列的研究發現,往中間分裂的粒線體為正常運作的粒線體,以一變二從而更有效率為細胞提供能源。385Please respect copyright.PENANAfxDZuiQTfD
385Please respect copyright.PENANAX7xq3Tq7VR
385Please respect copyright.PENANAKEsMAFbK0h
而朝邊緣分裂的粒線體大多是有問題的粒線體,這樣做的目的是提供訊號號令細胞殲滅自己,分解過程涉及名為lysosome的細胞器官,且被稱之為Mitophagy。385Please respect copyright.PENANA8Ef8zCLPGI
385Please respect copyright.PENANAs4SIsTqnjE
有不少證據顯示,若過量的粒線體分裂過程處理失當的話,便會引致神經衰退、心臟問題甚至是癌症等疾病,所以絕對不能看少。385Please respect copyright.PENANA8jTGs0WTBQ
385Please respect copyright.PENANAYQySWldpZT
385Please respect copyright.PENANAx2nOM2sKCo
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。385Please respect copyright.PENANA5AYXiaFvfz
385Please respect copyright.PENANA5lKtOLwBgS
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/toc385Please respect copyright.PENANArBHBfffwTG
385Please respect copyright.PENANAJXNdC8fY7c
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。385Please respect copyright.PENANAytzFXmefWg
385Please respect copyright.PENANA3MOxcd6Asq
Link:385Please respect copyright.PENANApo3zNrJfgy
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio385Please respect copyright.PENANAS8JjfpyztT
385Please respect copyright.PENANADyO7qj2xEc
385Please respect copyright.PENANAHZkoPb8thB
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。385Please respect copyright.PENANA42FthGPeWK
385Please respect copyright.PENANAPcQQdqSZ2g
Ref1:https://www.nature.com/articles/s41586-021-03510-6.epdf?sharing_token=mzsmDs0ANdRBBQvInQMvvtRgN0jAjWel9jnR3ZoTv0OMD04Ej-fby18QAbbYG6vyeMOYV7CCtU3H37dLLVGMhZrbaWwtYnIpOFGd_LqSK3hdGqNlM7t6Rx3bnspU9DQ9gY6z-suKVBlosRUCiyfKgCZhfjCY5-MquoelNTFJO3k%3D
385Please respect copyright.PENANAG83QBwO4oC
ns 15.158.61.22da2