Arabidopsis Downy Mildew Resistance Gene RPP27 Encodes a Receptor-Like Protein Similar to CLAVATA2

Mahmut To¨r*, Duncan Brown, Abigail Cooper, Alison Woods-To¨r, Kimmen Sjo¨lander,Jonathan D.G. Jones, and Eric B. HolubHorticulture Research International, Wellesbourne, Warwick CV35 9EF, United Kingdom (M.T., A.C.,A.W.-T., E.B.H.); Department of Bioengineering, University of California, Berkeley, California 94720–1762(D.B., K.S.); and Sainsbury Laboratory, Norwich Research Park, Colney, Norwich NR4 7UH,United Kingdom (J.D.G.J.)