Photorespiration (also known as the oxidative photosynthetic carbon cycle or C 2 cycle) refers to a process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting some of the energy produced by photosynthesis.

2023年2月1日 · Photorespiration, also known as oxidative photosynthetic carbon cycle or C2 photosynthesis, is a process found in normal C3 plant respiration. Here, the enzyme RuBisCO uses O 2 as a substrate instead of CO 2 .

C 2 Cycle takes place in chloroplast, peroxisome and mitochondria. RUBP is converted into PGA and a 2C-compound phosphoglycolate by Rubisco enzyme in chloroplast. Since the first product is a 2C-compound, this cycle is known as C 2 Cycle. Phosphoglycolate by loss of phosphate becomes glycolate.

Photorespiration is a process that occurs in Calvin Cycle during plant metabolism. In this process, the key enzyme RuBisCO that is responsible for The fixing of carbon dioxide reacts with oxygen rather than carbon dioxide.

2023年5月19日 · Photorespiration is also known as C2 Cycle. RuBisCO is the major enzyme in photorespiration. Photorespiration mainly occurs in the C3 plants to take care of the wasteful activity of RuBisCO. During the Photorespiration mechanism, O 2 is needed and CO 2 is released in the presence of light.

C 2 Cycle. The oxidative photosynthetic carbon cycle, or C 2 cycle, is the metabolic pathway for photorespiration, in which sugars are oxidised to CO 2 in the light. In the C 2 cycle, the reactions of the pathway take place in the following three cell organelles: Chloroplast; Peroxisome; Mitochondria ; Chloroplast. First product of the C2 cycle ...

Photorespiration, also known as the C2 cycle, is a metabolic pathway in plants that consumes oxygen, releases carbon dioxide, and decreases net photosynthesis. It is a process that occurs in the presence of light and at high oxygen concentrations.

The different location of photorespiratory enzymes in so-called C 3 –C 4 intermediate plants generated/established an ancient CO 2 pump based on the transport of glycine and serine, which is also called C 2 photosynthesis, as the precursor for the final dicarboxyacid-based C 4 cycle (e.g. Mallmann et al., 2014).

Photorespiration is also known as Glycolate Pathway, C2 cycle. In C3 plant photosynthesis, 30-50% of saccharide is broken down during photorespiration. It protects plants from damage by excessive high-energy chemical.

2008年12月2日 · The oxidative photosynthetic carbon cycle (or C 2 cycle) is the metabolic pathway responsible for photosynthetic oxygen uptake and the light‐dependent production of carbon dioxide that is termed photorespiration.