Technical Report: The rapid A–Ci response: photosynthesis in the phenomic era ($)
Large-scale phenotyping efforts depend on large numbers of measurements, so the time taken for any one measurement has a big effect on the number of samples that can be processed. Stinziano et al. describe a breakthrough in the method used to identify the photosynthetic parameters Vc,max (maximum rate of Rubisco carboxylation) and Jmax (maximum rate of electron transport) from measurements of CO2 uptake (A) at different intercellular concentrations of CO2 (Ci). Remarkably, the new method, rapid A–Ci response (RACiR), produces essentially the same parameters as the conventional approach, but with the ability to screen hundreds rather than tens of plants per day. Plant Cell Environ. 10.1111/pce.12911
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