University:
Swansea University
Course:
PM-133 | Evolutionary and Molecular Genetics
Academic year:

2023
Views:

444

Pages:

4
Author:

Amal J.

i'vVRNA operonbacterial and euk ribosome contain2 sutrents.smdlaig e+ Proteins3323553550Ribosome705pnucleoprote DIIII2 ₫2the21soboIGS30(sedimentationlarge proteinsmall.rate)Bacteriasurface area also affect sedimentationvelocity,285+ Proteins5.85466055S80s2ribanucleopotein18540s31(+areped)aEukaryotes33fromanIn barteria genes for ribrome arecordinated together as operon eukayotes have a senglemany genes and many operators. Unlike other genes pedtein coding gones aremoderately repeltigative [Inhumon3007 rRNAgenes.unique you production of more TRNA cibas one they allbacteria has 7opeions for ribosmal production.rRNA, B,C,P, E, G, H(geneorder (Arrangement)165235 5StRNA-tRNA(All)(some)snall opeion 165&235 intervined with tRNA andsome contain FRNA afta 1 55ribosobsalopecon- -Go to - 150 Enchance- 35, -10element- upelement (additional3 jissitesfirproteinhundingFactor Invectionsites.stimulation-71- 102-143Enchancesup element- 35 -103fis proteinbindings sites) doubling time1no:of ribosome regulate doubling time, nutrient isthe regulator of ribosome productiondoublingno:of ribosometimedooblingno: oftimeribosome20mins70,000&nutrients50 mins17,000loomins7,000300mins2,000StringentNutrientPPGTP ofResponcelevel sigh lowPPGDP-AlammalRelAactivated5'5'3'PPP- G + ATPPPPGTPAMPPPGTPreleased.Alasmones.orGDP + ATPPPGDPInhibit ribosomegene transcriptionIncreasetimedooblingThisrespancein called stringent response NutrientleventhighSpo TPPGTP/PPGDP Cleave alarmonesGTP/GDPPPiActivate ribonomegene transcription.