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

A - Papers appearing in refereed journals

Parry, M. A. J., Andralojc, P. J., Lowe, H. M. and Keys, A. 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. https://doi.org/10.1016/S0014-5793(99)00038-1

AuthorsParry, M. A. J., Andralojc, P. J., Lowe, H. M. and Keys, A. J.
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 postulated 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, (C) 1999 Federation of European Biochemical Societies.

KeywordsBiochemistry & Molecular Biology; Biophysics; Cell Biology
Year of Publication1999
JournalFEBS Letters
Journal citation444 (1), pp. 106-110
Digital Object Identifier (DOI)https://doi.org/10.1016/S0014-5793(99)00038-1
PubMed ID10037157
Open accessPublished as non-open access
Funder project or code214
414
ISSN00145793
PublisherWiley

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