Integration of light and auxin signaling.
Light is vital for plant growth and development: It provides energy for photosynthesis, but also reliable information on seasonal timing and local habitat conditions. Light sensing is therefore of paramount importance for plants. Thus, plants have evolved sophisticated light receptors and signaling networks that detect and respond to changes in light intensity, duration, and spectral quality. Environmental light signals can drive developmental transitions such as germination and flowering, but they also continuously shape development to allow adaptation to the local habitat and microclimate. The ability to respond to a changing and sometimes unfavorable environment underlies the huge success of plants. Much of this growth and developmental plasticity is achieved by light modulation of auxin signaling systems. In this article, we examine the connections between light and auxin that elicit local responses, long distance signaling, and coordinated growth between the shoot and root.
Halliday
Karen J
KJ
Institute of Molecular Plant Sciences, Edinburgh University, Edinburgh, UK. karen.halliday@ed.ac.uk
Martínez-García
Jaime F
JF
Josse
Eve-Marie
EM
D018506:Gene Expression Regulation, Plant / Q000502:physiology; D007210:Indoleacetic Acids / Q000378:metabolism*; D008027:Light; D010834:Phytochrome / Q000235:genetics / Q000378:metabolism; D063245:Plant Development; D010944:Plants / Q000378:metabolism*; D015398:Signal Transduction / Q000235:genetics / Q000502:physiology*
D007210:Indoleacetic Acids; D010834:Phytochrome
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