The localisation of 2-carboxy-D-arabinitol 1-phosphate and inhibition of Rubisco in leaves of Phaseolus vulgaris L

Parry, M. A J and Andralojc, P. J. and Lowe, Helen M. and Keys, Alfred J. (1999) The localisation of 2-carboxy-D-arabinitol 1-phosphate and inhibition of Rubisco in leaves of Phaseolus vulgaris L. FEBS Letters, 444 (1). pp. 106-110. ISSN 0014-5793

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Abstract

A recent controversial report suggests that the nocturnal inhibitor of Rubisco, 2-carboxy-D-arabinitol 1-phosphate (CA1P), does not bind to Rubisco in vivo and therefore that CA1P has no physiological relevance to photosynthetic regulation. It is now proved that a direct rapid assay can be used to distinguish between Rubisco-bound and free CA1P, as postulatud in the controversial report. Application of this direct assay demonstrates that CA1P is bound to Rubisco in vivo in dark-adapted leaves. Furthermore, CA1P is shown to be in the chloroplasts of mesophyll cells. Thus, CA1P does play a physiological role in the regulation of Rubisco.

Item Type:
Journal Article
Journal or Publication Title:
FEBS Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1300/1311
Subjects:
ID Code:
76031
Deposited By:
Deposited On:
21 Oct 2015 05:03
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Apr 2020 04:12