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Growing in time: exploring the molecular mechanisms of tree growth.

Authors
  • Singh, Rajesh Kumar1
  • Bhalerao, Rishikesh P2
  • Eriksson, Maria E1
  • 1 Department of Plant Physiology, Umeå Plant Science Centre, Umeå University, Umeå SE-901 87, Sweden. , (Sweden)
  • 2 Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå SE-901 82, Sweden. , (Sweden)
Type
Published Article
Journal
Tree Physiology
Publisher
Oxford University Press
Publication Date
Apr 08, 2021
Volume
41
Issue
4
Pages
657–678
Identifiers
DOI: 10.1093/treephys/tpaa065
PMID: 32470114
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Trees cover vast areas of the Earth's landmasses. They mitigate erosion, capture carbon dioxide, produce oxygen and support biodiversity, and also are a source of food, raw materials and energy for human populations. Understanding the growth cycles of trees is fundamental for many areas of research. Trees, like most other organisms, have evolved a circadian clock to synchronize their growth and development with the daily and seasonal cycles of the environment. These regular changes in light, daylength and temperature are perceived via a range of dedicated receptors and cause resetting of the circadian clock to local time. This allows anticipation of daily and seasonal fluctuations and enables trees to co-ordinate their metabolism and physiology to ensure vital processes occur at the optimal times. In this review, we explore the current state of knowledge concerning the regulation of growth and seasonal dormancy in trees, using information drawn from model systems such as Populus spp. © The Author(s) 2020. Published by Oxford University Press.

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