Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein...

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Possible factors affecting ribosomal protein expression 1. Autogenous regulation of protein expression. 2. mRNA protein degradation. 3. mRNA secondary structure. 4. Missing factors in E.coli S-30 extract
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Transcript of Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein...

Page 1: Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein expression. 2.mRNA protein degradation. 3.mRNA secondary structure.

Possible factors affecting ribosomal protein expression

1. Autogenous regulation of protein expression.

2. mRNA protein degradation.

3. mRNA secondary structure.

4. Missing factors in E.coli S-30 extract

Page 2: Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein expression. 2.mRNA protein degradation. 3.mRNA secondary structure.

100

75

50

37

25

15

10

S1

S2

S4

S5

S13?S16?S?

Page 3: Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein expression. 2.mRNA protein degradation. 3.mRNA secondary structure.

“Specialized” ribosome

GFP X W X W

Ribosome N N S N

AGUGTAUUCACAUA

Page 4: Possible factors affecting ribosomal protein expression 1.Autogenous regulation of protein expression. 2.mRNA protein degradation. 3.mRNA secondary structure.

Future Steps and Issues

1. Increase translation efficiency.

2. Reconstitute 30S and 50S subunits.

3. Genome organization.

4. Autogenous regulation.

4. RNA processing & modifications.