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BAKTERIOFAGE DAN VIRUS

REGULASI EKSPRESI GEN PADA BAKTERIOFAGE DAN VIRUS

REGULASI EKSPRESI GEN PADA BAKTERIOFAGE DAN VIRUS

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Regulasi pada SPO1<br />

• SPO1: virus besar, menginfeksi Bacillus subtilis<br />

• 3 kelompok gen: early, middle, late<br />

1. Gen awal RNA pol sel inang (menghasilkan produk<br />

gen 28)<br />

2. Gen tengah RNA pol sel Inang yang mengandung<br />

produk gen 28 pada posisi faktor σ<br />

–Faktor σ mengenali –35: TTGACA dan -10: TATAAT<br />

pada gen awal SPO1<br />

–Produk gen 28 mengenali –35: AGGAGA dan -10:<br />

TTTTTT pada gen tengah SPO1<br />

–Menghasilkan produk gen 33 dan 34<br />

3. Gen akhir RNA pol sel inang yang mengandung<br />

produk gen 33 dan 34<br />

Suharsono.2005. BTK505. IPB

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