2025 biology talkshow : 基因轉殖三大技術的奧秘 基因槍.顯微注射.農桿菌介導法 (選修生物I) episode artwork

EPISODE · Jun 14, 2025 · 12 MIN

2025 biology talkshow : 基因轉殖三大技術的奧秘 基因槍.顯微注射.農桿菌介導法 (選修生物I)

from 雷比特生物空中講 · host 雷比特老師

詳細介紹基因轉殖的三種主要技術,旨在將外源DNA穩定整合到生物體基因組中,並確保其表達與遺傳。首先概述農桿菌介導法,這是一種利用細菌天然感染植物的機制,將目標基因導入植物細胞,尤其適用於雙子葉植物,但對單子葉植物效果有限。其次解釋基因槍技術,它透過高速金屬粒子將DNA「射入」細胞,適用於多種植物和一些動物細胞,但效率較低且可能造成細胞損傷。最後介紹顯微注射,這是一種在顯微鏡下將DNA精確注入動物受精卵或早期胚胎的方法,旨在確保新基因能遺傳給後代。也探討DNA如何透過非同源性末端接合或同源重組整合進染色體,並強調動植物基因轉殖策略因其細胞全能性差異而有所不同的根本邏輯。 Powered by Firstory Hosting

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2025 biology talkshow : 基因轉殖三大技術的奧秘 基因槍.顯微注射.農桿菌介導法 (選修生物I)

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