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Emerging Concepts in Effector Biology of Plant-Associated Organisms

February 2009 , Volume 22 , Number  2
Pages  115 - 122

Saskia A. Hogenhout,1 Renier A. L. Van der Hoorn,2 Ryohei Terauchi,3 and Sophien Kamoun4

1Department of Disease and Stress Biology, The John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, U.K.; 2Plant Chemetics lab, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Germany; 3Iwate Biotechnology Research Center, Kitakami, Iwate, Japan; 4The Sainsbury Laboratory, John Innes Centre, Norwich NR4 7UH, U.K.

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Accepted 16 October 2008.

Plant-associated organisms secrete proteins and other molecules to modulate plant defense circuitry and enable colonization of plant tissue. Understanding the molecular function of these secreted molecules, collectively known as effectors, became widely accepted as essential for a mechanistic understanding of the processes underlying plant colonization. This review summarizes recent findings in the field of effector biology and highlights the common concepts that have emerged from the study of cellular plant pathogen effectors.

© 2009 The American Phytopathological Society