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Article Addendum

CPR5, a Jack of all trades in plants

Hai-Chun Jing and Paul P. Dijkwel

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In our recent paper in Journal of Experimental Botany, we examined the effects of cpr5/old1 mutations and CPR5 overexpression on Arabidopsis growth and development. We found that CPR5 is important for early plant growth but promotes senescence at late development and hence proposed it as a senescence-regulatory gene as predicted by the Evolutionary Theory of Senescence derived from studies on animal ageing. One of the key unsolved issues is how CPR5 contributes to the early plant growth and development. Here we discuss the possible cellular functions of CPR5.

Authors

Hai-Chun Jing

Centre for Sustainable Pest and Disease Management; Department of Plant Pathology and Microbiology; Rothamsted Research; Harpenden, United Kingdom

Paul P. Dijkwel

Institute of Molecular BioSciences; Massey University; Palmerston North, New Zealand

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