期刊
PLANT SCIENCE
卷 308, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2021.110923
关键词
Circadian rhythm; Conjugation; Light; Polyamine; Transport
资金
- Hungarian National Scientific Research Foundation [K134395]
- Hungarian Academy of Sciences [PREMIUM-2019-462]
Polyamines play a fundamental role in cell functioning, with their synthesis and catabolism well studied in various plant species. However, more research is needed on the dynamic changes in polyamine pools and their conjugation with other compounds. In addition, the role of polyamine transporters in plants is a newly recognized area of investigation.
Polyamines play a fundamental role in the functioning of all cells. Their regulatory role in plant development, their function under stress conditions, and their metabolism have been well documented as regards both synthesis and catabolism in an increasing number of plant species. However, the majority of these studies concentrate on the levels of the most abundant polyamines, sometimes providing data on the enzyme activity or gene expression levels during polyamine synthesis, but generally making no mention of the fact that changes in the polyamine pool are very dynamic, and that other processes are also involved in the regulation of actual polyamine levels. Differences in the distribution of individual polyamines and their conjugation with other compounds were described some time ago, but these have been given little attention. In addition, the role of polyamine transporters in plants is only now being recognised. The present review highlights the importance of conjugated polyamines and also points out that investigations should not only deal with the polyamine metabolism itself, but should also cover other important questions, such as the relationship between light perception and the polyamine metabolism, or the involvement of polyamines in the circadian rhythm.
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