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Carbon isotope discrimination as a diagnostic tool for C₄ photosynthesis in C₃-C₄ intermediate species

Alonso-Cantabrana, Hugo; von Caemmerer, Susanne


The presence and activity of the C₄ cycle in C₃-C₄ intermediate species have proven difficult to analyze, especially when such activity is low. This study proposes a strategy to detect C₄ activity and estimate its contribution to overall photosynthesis in intermediate plants, by using tunable diode laser absorption spectroscopy (TDLAS) coupled to gas exchange systems to simultaneously measure the CO₂ responses of CO₂ assimilation (A) and carbon isotope discrimination (Δ) under low O₂ partial...[Show more]

CollectionsANU Research Publications
Date published: 2016-05
Type: Journal article
Source: Journal of experimental botany
DOI: 10.1093/jxb/erv555


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