Journal
TRENDS IN PLANT SCIENCE
Volume 22, Issue 10, Pages 830-841Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2017.07.009
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Funding
- National Program of Sustainability I from the Ministry of Education, Youth and Sports, Czech Republic [L01204]
- Czech Academy of Sciences grant [L200381651]
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Physiologically, abscisic acid (ABA) is believed to be a general inhibitor of plant growth, including during the crucial early development of seedlings. However, this view contradicts many reports of stimulatory effects of ABA that, so far, have not been considered in the debate concerning ABA's function in plant development. To address this apparent contradiction, we propose a hypothetical mechanism to explain how ABA might contribute to the promotion of cell expansion. We wish to overturn conventional views on ABA's role during juvenile plant development and put forward the idea that, as for other phytohormones, the role of ABA is determined by dose and sensitivity and ranges from stimulatory to inhibitory effects.
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