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Bassel, George (2016) To grow or not to grow? Trends in Plant Science, 21 (6). pp. 498-505. doi:10.1016/j.tplants.2016.02.001 ISSN 1360-1385.
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Official URL: http://dx.doi.org/10.1016/j.tplants.2016.02.001
Abstract
Environmental signal integration in seeds is mediated by the relative abundance of the hormones abscisic acid (ABA) and gibberellins (GA). The dynamic regulation of hormone synthesis and degradation is regulated by exogenous cues.
An irreversible developmental fate switch underlies the commitment to make the transition from seed to seedling. Both hormone and protein thresholds likely represent components of this switch.
Events downstream of the flipping of the switch include the transcriptional induction of GA synthesis and cell wall-modifying gene expression. These act as downstream molecular markers indicating the developmental fate switch has been previously flipped.
Current evidence suggests that the final switch resides within the embryo, where the decision to germinate is ultimately reached.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | Trends in Plant Science | ||||
Publisher: | Elsevier Ltd. | ||||
ISSN: | 1360-1385 | ||||
Official Date: | 1 June 2016 | ||||
Dates: |
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Volume: | 21 | ||||
Number: | 6 | ||||
Page Range: | pp. 498-505 | ||||
DOI: | 10.1016/j.tplants.2016.02.001 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) |
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