Kevin Oxborough

TL;DR: In this paper, a method is described which estimates Fo-; through a simple equation involving the minimum fluorescence yield in the dark-adapted state (Fo), the maximum fluorescence output in the Fm, and the maximum Fm-output.

TL;DR: High resolution digital imaging was used to identify sites of photo-oxidative stress responses in Arabidopsis leaves non-invasively and to demonstrate the potential of using a suite of imaging techniques for the study of oxidative metabolism in planta.

TL;DR: Measurements of the quantum efficiencies of photosynthetic electron transport through photosystem II (phiPSII) and CO2 assimilation (phiCO2) were made simultaneously on leaves of maize crops in the United Kingdom during the early growing season, when chilling conditions were experienced, supporting the hypothesis that the relative flux of photosynthesis reducing equivalents to O2 via the Mehler reaction is higher when leaves develop under chilling conditions.

TL;DR: Imaging of chlorophyll fluorescence and the production of reactive oxygen species indicated that APX2 expression followed a localised increase in hydrogen peroxide resulting from photosynthetic electron transport in the bundle sheath cells, and exposure of ABA-insensitive mutants to excess light resulted in reduced levels of APx2 expression and confirmed a role for ABA in the signalling pathway.

TL;DR: The applicability of this rapid-screening technique for metabolic perturbations in monocotyledonous species was demonstrated by treating Agrostis tenuis seedlings with Imazapyr, an inhibitor of branched-chain amino acid synthesis.