Proline Suppresses Rubisco Activity in Higher Plants
โ Scribed by P. Sivakumar; P. Sharmila; P.Pardha Saradhi
- Book ID
- 115582963
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 75 KB
- Volume
- 252
- Category
- Article
- ISSN
- 0006-291X
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## Summary Following an increase in photon flux density (PFD), ribulose bisphosphate carboxylase/oxygenase (Rubisco) undergoes a slow activation which substantially limits the rate of photosynthesis. This activation process is mediated in part by Rubisco activase. Antisense DNA plants of tobacco we
ATP-sulphurylase was detected m extracts of roots and leaves of several species of higher plant. The enzyme occurs in the supernatant fraction, has a pH optimum of 8.0 and an absolute requirement for Mg ~+ ions. Sulphurylase activity is inhibited by selenate and molybdate but not by eysteine, methio