Spectrophotometric Determination of Rubisco Activity and Activation State in Leaf Extracts

Sales, CRG and Degen, Gustaf E. and Bernardes Da Silva, Anabela and Carmo-Silva, Ana Elizabete (2018) Spectrophotometric Determination of Rubisco Activity and Activation State in Leaf Extracts. In: Photosynthesis. Springer Science + Business Media, Niceville, FL, USA, pp. 239-250. ISBN 9781493977857

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Abstract

Rubisco plays a central role in photosynthesis and, due to its catalytic inefficiencies,frequently limits CO2 assimilation in fully illuminated leaves at the top of unstressed crop canopies.The CO2-fixing enzyme is heavily regulated and not all the enzyme present in the leaf is active at any given moment. In this chapter,a spectrophotometric assay is described for measuring Rubisco activity and activation state in leaf extracts.Most of the assay components are available commercially and others can be produced by established protocols, making adoption of the assay achievable by most plant biochemistry laboratories.Its relative high-throughput capacity enables large-scale experiments aimed at screening germplasm for improved Rubisco function.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
89785
Deposited By:
Deposited On:
19 Jan 2018 14:58
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Oct 2020 09:44