Compound leaves: equal to the sum of their parts?

DOI PDF 8 Citations
  • Connie Champagne
    Section of Plant Biology, University of California, 1 Shields Avenue,Davis, CA 95616, USA
  • Neelima Sinha
    Section of Plant Biology, University of California, 1 Shields Avenue,Davis, CA 95616, USA

Abstract

<jats:p>The leaves of seed plants can be classified as being either simple or compound according to their shape. Two hypotheses address the homology between simple and compound leaves, which equate either individual leaflets of compound leaves with simple leaves or the entire compound leaf with a simple leaf. Here we discuss the genes that function in simple and compound leaf development, such as KNOX1 genes, including how they interact with growth hormones to link growth regulation and development to cause changes in leaf complexity. Studies of transcription factors that control leaf development, their downstream targets, and how these targets are regulated are areas of inquiry that should increase our understanding of how leaf complexity is regulated and how it evolved through time.</jats:p>

Journal

  • Development

    Development 131 (18), 4401-4412, 2004-09-15

    The Company of Biologists

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