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Plant morphogenesis and KNOX genes

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KNOX genes function in plant meristems, which produce leaves and stems. Three recent studies show that the dwarf phenotype, brevipedicellus, is caused by a recessive mutation in a KNOX gene. A fourth study shows that misexpression of KNOX genes leads to novel features that may have selective value.

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Figure 1: Dominant knox mutations.
Figure 2: Class 1 KNOX genes in maize, rice, tobacco and A. thaliana are expressed in two basic patterns.

Bob Crimi

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Authors and Affiliations

  1. US Department of Agriculture-Agricultural Research Service and Department of Plant and Microbial Biology, Plant Gene Expression Center, University of California, Albany, California, USA

    Sarah Hake

  2. Department of Field Crops and Genetics, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, 76100, Israel

    Naomi Ori

Authors
  1. Sarah Hake
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  2. Naomi Ori
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Hake, S., Ori, N. Plant morphogenesis and KNOX genes. Nat Genet 31, 121–122 (2002). https://doi.org/10.1038/ng0602-121

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