INDUCTION AND
REPRESSION OF ENZYMES
LAC OPERON AND TRP OPERON

BY-POOJA KAMBLE
M.Sc-I
• PSZO102:BIOCHEMISTRY AND METABOLISM-I
• UNIT 4:REGULATION OF METABOLISM
• 4.1.2-INDUCTION AND REPRESSION OF
ENZYMES( LAC...
CONTENT
•
•
•
•
•
•

INTRODUCTION
STRUCTURE OF
LAC OPERON
TRP OPERON
CONCLUSION
REFRENCE
INTRODUCTION
• OPERON is a co ordinated unit of genetic
expression in bacteria.
STRUCTURE OF LAC OPERON
1.
2.
3.
4.
5.

STRUCTURAL GENES
PROMOTER
OPERATOR
REPRESSOR GENE
INDUCER
STRUCTURE OF TRP OPERON
1.
2.
3.
4.

TRP REPRESSOR
LEADER RNA SEQUENCE
LEADER PEPTIDE SEQUENCE
ATTENUATER
ATTENUATION
CONCLUSION FOR LAC OPERON
• The lac operon has been key in the study of
genetic regulation
• scientists believe understand...
CONCLUSION FOR TRP OPERON
• This mechanism allows for synchronization of
transcription and translation, a key element in
a...
REFRENCE
• BIOCHEMISTRY-U.Satyanarayana
• PRINCIPLES OF GENETICS-TAMARIN
• THANK YOU
lac operon and trp operon ppt
Upcoming SlideShare
Loading in …5
×

lac operon and trp operon ppt

9,779 views

Published on

lac operon and trp operon ppt.induction and repression of enzymes

Published in: Education
0 Comments
9 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
9,779
On SlideShare
0
From Embeds
0
Number of Embeds
7
Actions
Shares
0
Downloads
480
Comments
0
Likes
9
Embeds 0
No embeds

No notes for slide

lac operon and trp operon ppt

  1. 1. INDUCTION AND REPRESSION OF ENZYMES LAC OPERON AND TRP OPERON BY-POOJA KAMBLE M.Sc-I
  2. 2. • PSZO102:BIOCHEMISTRY AND METABOLISM-I • UNIT 4:REGULATION OF METABOLISM • 4.1.2-INDUCTION AND REPRESSION OF ENZYMES( LAC OPERON AND TRP OPERON)
  3. 3. CONTENT • • • • • • INTRODUCTION STRUCTURE OF LAC OPERON TRP OPERON CONCLUSION REFRENCE
  4. 4. INTRODUCTION • OPERON is a co ordinated unit of genetic expression in bacteria.
  5. 5. STRUCTURE OF LAC OPERON
  6. 6. 1. 2. 3. 4. 5. STRUCTURAL GENES PROMOTER OPERATOR REPRESSOR GENE INDUCER
  7. 7. STRUCTURE OF TRP OPERON
  8. 8. 1. 2. 3. 4. TRP REPRESSOR LEADER RNA SEQUENCE LEADER PEPTIDE SEQUENCE ATTENUATER
  9. 9. ATTENUATION
  10. 10. CONCLUSION FOR LAC OPERON • The lac operon has been key in the study of genetic regulation • scientists believe understanding the lac operon will help to know how more complicated genetic regulatory systems behave
  11. 11. CONCLUSION FOR TRP OPERON • This mechanism allows for synchronization of transcription and translation, a key element in attenuation.
  12. 12. REFRENCE • BIOCHEMISTRY-U.Satyanarayana • PRINCIPLES OF GENETICS-TAMARIN
  13. 13. • THANK YOU

×