PHOTORESPIRATION
Ms. Zaidatul Shakila Mohamad Ashari
Faculty of Applied Sciences UiTM Perak Branch Tapah Campus
, PROBLEM??
(3) 6-carbon
RUBISCO = RuBP oxygenase-
3CO2 intermediate (3) 6-carbon
3O2 intermediate (3) 3-
RUBISCO
3 RuBP
(6) 3-phosphoglycerate RUBISCO +
(3) 3-phosphoglycerate
6 ATP 3 RuBP
PHASE 1: CARBON FIXATION 6 ATP
6 ADP PHASE 1: CARBON FIXATION
6 ADP
PHASE 3: REGENERATION (6) 1,3-bisphosphoglycerate
RuBP PHASE 3: REGENERATION (6) 1,3-bisphosphoglycerate
(6) NADPH RuBP
3 ADP (6) NADPH
PHASE 2: REDUCTION 3 ADP
PHASE 2: REDUCTION
(6) NADP+
3 ATP (6) NADP+
3 ATP
(5) Glyceraldehyde 3- (6) Glyceraldehyde 3-
(6) Glyceraldehyde 3-
phosphate phosphate (5) Glyceraldehyde 3- phosphate
phosphate
The sugar The sugar
output output
PHASE 4: PRODUCT SYNTHESIS PHASE 4: PRODUCT SYNTHESIS
(1) Glyceraldehyde 3-phosphate (1) Glyceraldehyde 3-phosphate
NORMAL CALVIN CYCLE PHOTORESPIRATI
Ms. Zaidatul Shakila Mohamad Ashari
Faculty of Applied Sciences UiTM Perak Branch Tapah Campus
, PROBLEM??
(3) 6-carbon
RUBISCO = RuBP oxygenase-
3CO2 intermediate (3) 6-carbon
3O2 intermediate (3) 3-
RUBISCO
3 RuBP
(6) 3-phosphoglycerate RUBISCO +
(3) 3-phosphoglycerate
6 ATP 3 RuBP
PHASE 1: CARBON FIXATION 6 ATP
6 ADP PHASE 1: CARBON FIXATION
6 ADP
PHASE 3: REGENERATION (6) 1,3-bisphosphoglycerate
RuBP PHASE 3: REGENERATION (6) 1,3-bisphosphoglycerate
(6) NADPH RuBP
3 ADP (6) NADPH
PHASE 2: REDUCTION 3 ADP
PHASE 2: REDUCTION
(6) NADP+
3 ATP (6) NADP+
3 ATP
(5) Glyceraldehyde 3- (6) Glyceraldehyde 3-
(6) Glyceraldehyde 3-
phosphate phosphate (5) Glyceraldehyde 3- phosphate
phosphate
The sugar The sugar
output output
PHASE 4: PRODUCT SYNTHESIS PHASE 4: PRODUCT SYNTHESIS
(1) Glyceraldehyde 3-phosphate (1) Glyceraldehyde 3-phosphate
NORMAL CALVIN CYCLE PHOTORESPIRATI