ribulose-1,5-bisphosphate carboxylase

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ri·bu·lose-1,5-bis·phos·phate car·box·yl·ase

(rī'byū-lās bis-fos'fāt kar-boks'il-ās),
A dimerizing carboxy-lyase; an enzyme that catalyzes the addition of carbon dioxide to d-ribulose 1,5-bisphosphate and the hydrolysis of the addition product to two molecules of 3-d-phosphoglyceric acid, a key reaction in the fixation of CO2 in photosynthesis.
Synonym(s): carboxydismutase
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References in periodicals archive ?
Investigators discovered the existence of rubisco activase in 1985 and proved that it activates rubisco.
The team discovered the existence of rubisco activase in 1985 and proved that it activates rubisco.
Large subunit of Rubisco (53kDa) and small subunit of Rubisco which appears as 2 bands (~14kDa) in the pH range of 7-7.
1999) demonstrated that needle levels of phosphorus were associated with improved efficiency of carboxylation by Rubisco and improved photochemical efficiency of PSII in pine seedlings of Pinus pinaster Ait.
Till Rubisco brought these two together at last And in one magical moment of chemistry They were joined as one and seemed to have a blast.
213 TISSUE DT,PL CELL ENV,vol 0016,page 0859,1993,cites= 34,LONG-TERM EFFECTS OF ELEVATED CO2 AND NUTRIENTS ON PHOTOSYNTHESIS AND RUBISCO IN LOBLOLLY-PINE SEEDLINGS
In their study of the Miocene magnolia, the researchers confirmed the notion that the common photosynthetic molecule known as rubisco has changed very little over millions of years.
The reason of such phenomenon can be attributed to high capability of photosynthesis by increasing the capturing carbon and enzyme rubisco and encouraging synthesis and matter transport [3].
fallax Sonder, partial Rubisco, Phillips & Fredericq, 2000--S.
This might indicate that at higher rates of nitrogen availability, nitrogen does not need to be translocated from vegetative plant parts to filling grains as efficiency as in the case where nitrogen could not be taken up from the soil and the higher enzyme content of Rubisco in leaves increase radiation use efficiency (MUURINEN et al.
In plants, NO inactivates rubisco, a major enzyme involved in carbon dioxide fixation and photosynthesis.