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. 2010 Feb 17;61(5):1419–1430. doi: 10.1093/jxb/erq010

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© 2010 The Author(s).

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details)

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Fig. 3. — Extended leaf longevity in ore14/arf2 mutants. (A) Age-dependent senescence phenotype of the third and fourth rosette leaves of wild-type (‘Col’) and ore14-1/arf2-10 mutant plants at different ages. The photographs show representative leaves at each time point. (B) Survival curve. Values indicate the percentage of leaves alive on a given day after emergence (DAE). n=100. (C–E) Chlorophyll content (C), photochemical efficiency (F_v/F_m) of PSII (D), and membrane ion leakage (E) were measured from the third and fourth leaves starting at 12 DAE, when leaves had just reached full growth. Error bars indicate standard deviation (SD, n=30). (F) Age-dependent changes in gene expression. Total cellular RNAs isolated at the indicated ages were probed with CAB, RBCS, SEN4, and SAG12.