Timing of plant immune responses by a central circadian regulator

Wei Wang, Jinyoung Yang Barnaby, Yasuomi Tada, Hairi Li, Mahmut Tör, Daniela Caldelari, Dae-un Lee, Xiang-Dong Fu and Xinnian Dong ()
Additional contact information
Wei Wang: P. O. Box 90338, Duke University
Jinyoung Yang Barnaby: P. O. Box 90338, Duke University
Yasuomi Tada: P. O. Box 90338, Duke University
Hairi Li: University of California, San Diego, La Jolla, California 92093, USA
Mahmut Tör: National Pollen and Aerobiology Research Unit (NPARU), University of Worcester, Henwick Grove, Worcester WR2 6AJ, UK
Daniela Caldelari: P. O. Box 90338, Duke University
Dae-un Lee: P. O. Box 90338, Duke University
Xiang-Dong Fu: University of California, San Diego, La Jolla, California 92093, USA
Xinnian Dong: P. O. Box 90338, Duke University

Nature, 2011, vol. 470, issue 7332, 110-114

Abstract: Resisting a dawn raid Circadian rhythms regulate a wide variety of developmental and metabolic processes resulting in enhanced fitness. This study of plant defence against the fungal pathogen Hyaloperonospora arabidopsidis, which causes downy mildew disease in Arabidopsis plants, reveals a link between the plant innate immune responses and the clock. The central circadian regulator CCA1 is shown to regulate a novel set of genes involved in R-gene-mediated defence. The mechanism allows plants to 'anticipate' infection at dawn when the pathogen normally disperses its spores.

Date: 2011
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DOI: 10.1038/nature09766

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