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      Thermomorphogenesis

      1 , 2 , 3
      Annual Review of Plant Biology
      Annual Reviews

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          Abstract

          When exposed to warmer, nonstressful average temperatures, some plant organs grow and develop at a faster rate without affecting their final dimensions. Other plant organs show specific changes in morphology or development in a response termed thermomorphogenesis. Selected coding and noncoding RNA, chromatin features, alternative splicing variants, and signaling proteins change their abundance, localization, and/or intrinsic activity to mediate thermomorphogenesis. Temperature, light, and circadian clock cues are integrated to impinge on the level or signaling of hormones such as auxin, brassinosteroids, and gibberellins. The light receptor phytochrome B (phyB) is a temperature sensor, and the phyB–PHYTOCHROME-INTERACTING FACTOR 4 (PIF4)–auxin module is only one thread in a complex network that governs temperature sensitivity. Thermomorphogenesis offers an avenue to search for climate-smart plants to sustain crop and pasture productivity in the context of global climate change.

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          Author and article information

          Journal
          Annual Review of Plant Biology
          Annu. Rev. Plant Biol.
          Annual Reviews
          1543-5008
          1545-2123
          April 29 2019
          April 29 2019
          : 70
          : 1
          : 321-346
          Affiliations
          [1 ]Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Facultad de Agronomía, Universidad de Buenos Aires, C1417DSE Buenos Aires, Argentina;
          [2 ]Instituto de Investigaciones Bioquímicas de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Fundación Instituto Leloir, C1405BWE Buenos Aires, Argentina
          [3 ]School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia;
          Article
          10.1146/annurev-arplant-050718-095919
          30786235
          ad065955-d466-48cf-93c3-55b61b17da0f
          © 2019
          History

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