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Grapes on Steroids. Brassinosteroids Are Involved in Grape Berry Ripening1

Authors
  • Gregory M. Symons
  • Christopher Davies
  • Yuri Shavrukov
  • Ian B. Dry
  • James B. Reid
  • Mark R. Thomas
Publisher
American Society of Plant Biologists
Publication Date
Jan 01, 2006
Source
PMC
Keywords
Disciplines
  • Biology
License
Unknown

Abstract

Grapes on Steroids. Brassinosteroids Are Involved in Grape Berry Ripening by Gregory M. Symons, Christopher Davies, Yuri Shavrukov, Ian B. Dry, James B. Reid, and Mark R. Thomas Plantphysiol Volume 140(1):150-158 January 9, 2006 ©2006 by American Society of Plant Biologists Changes in BR levels during grape berry development. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists Stylized diagram of the BR biosynthesis pathway (after Bishop and Yokota, 2001), showing the alternative early and late C-6 oxidation pathways and the grape genes whose expression is described in Figure 4. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists The effects of exogenous epi-BL and Brz (an inhibitor of BR biosynthesis) on grape berry ripening. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists Phylogenetic relationships between VvBR6OX1 and related P450s. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists Transgenic complementation of tomato dx mutant by the grape VvBR6OX1 gene. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists Relative transcript levels of three genes involved in BR biosynthesis and perception during grape berry development. Symons G et al. Plantphysiol 2006;140:150-158 ©2006 by American Society of Plant Biologists Changes in BR levels during grape berry development. A, The pattern of grape berry development as described by berry weight and total soluble solids (oBrix). Values presented are averages calculated by dividing the total berry weight and total soluble solids by the number of berries (between 50 and 100) sampled at each time point. The inset photograph shows a grape bunch in the early stages of ripening. B, Levels (ng g−1) of 6-DeoxoCS and CS in developing grape berries. C, Levels (ng berry−1) of 6-DeoxoCS and CS in developing grape berries. Values presented in B

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