Mute
Mateus Vandesteen
Exclusoma 🧬 Recentemente, cientistas descobriram uma nova estrutura nas células animais chamada exclusoma — um compartimento separado do núcleo que armazena fragmentos de DNA "estranhos" ao genoma principal, como plasmídeos e DNA circular extracromossômico. Ele age como uma “quarentena genética”, impedindo que esse material altere ou danifique o DNA original da célula. (Lidsky, P. V. et al., Nature, 2023) Essa descoberta é crucial para a biologia molecular e a medicina, pois ajuda a entender
Follow
17
0
3
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