Systems Level Regulation of Rhythmic Growth Rate and Biomass Accumulation in Grasses

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Several breakthroughs have been recently made in our understanding of plant growth and biomass accumulation. It was found that plant growth is rhythmically controlled throughout the day by the circadian clock through a complex interplay of light and phytohormone signaling pathways. While plants such as the C4 energy crop sorghum (Sorghum bicolor (L.) Moench) and possibly the C3 grass (Brachypodium distachyon) also exhibit daily rhythms in growth rate, the molecular details of its regulation remain to be explored. A better understanding of diurnally regulated growth behavior in grasses may lead to species-specific mechanisms highly relevant to future strategies to optimize ... continued below

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Kay, Steve A. May 2, 2013.

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Several breakthroughs have been recently made in our understanding of plant growth and biomass accumulation. It was found that plant growth is rhythmically controlled throughout the day by the circadian clock through a complex interplay of light and phytohormone signaling pathways. While plants such as the C4 energy crop sorghum (Sorghum bicolor (L.) Moench) and possibly the C3 grass (Brachypodium distachyon) also exhibit daily rhythms in growth rate, the molecular details of its regulation remain to be explored. A better understanding of diurnally regulated growth behavior in grasses may lead to species-specific mechanisms highly relevant to future strategies to optimize energy crop biomass yield. Here we propose to devise a systems approach to identify, in parallel, regulatory hubs associated with rhythmic growth in C3 and C4 plants. We propose to use rhythmicity in daily growth patterns to drive the discovery of regulatory network modules controlling biomass accumulation.

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283KB

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  • Report No.: DOEDESC0006621
  • Grant Number: SC0006621
  • DOI: 10.2172/1077852 | External Link
  • Office of Scientific & Technical Information Report Number: 1077852
  • Archival Resource Key: ark:/67531/metadc834667

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  • May 2, 2013

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • Dec. 2, 2016, 2:53 p.m.

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Kay, Steve A. Systems Level Regulation of Rhythmic Growth Rate and Biomass Accumulation in Grasses, report, May 2, 2013; United States. (digital.library.unt.edu/ark:/67531/metadc834667/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.