Exogenously applied 20-hydroxyecdysone increases the net photosynthetic rate but does not affect the photosynthetic electron transport or the content of photosynthetic pigments in Tetragonia tetragonioides L

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F13%3A10145818" target="_blank" >RIV/00216208:11310/13:10145818 - isvavai.cz</a>
Result on the web
<a href="http://link.springer.com/article/10.1007/s11738-013-1379-6" target="_blank" >http://link.springer.com/article/10.1007/s11738-013-1379-6</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s11738-013-1379-6" target="_blank" >10.1007/s11738-013-1379-6</a>

Result language
angličtina
Original language name
Exogenously applied 20-hydroxyecdysone increases the net photosynthetic rate but does not affect the photosynthetic electron transport or the content of photosynthetic pigments in Tetragonia tetragonioides L
Original language description
Phytoecdysteroids are steroid compounds present in many plant species (sometimes in rather large amounts), but their biological role is still far from being clear. We have found that the exogenous application of 20-hydroxyecdysone (20E) to leaves of Tetragonia tetragonioides L. causes stimulation of its net photosynthetic rate (PN) but does not positively affect the photosynthetic electron transport or the content of photosynthetic pigments. The increase in PN was observed shortly after 20E treatment and was statistically significant during the 4th and 6th hours after treatment but not later, which could be perhaps caused by a strictly short-term window of opportunity for ecdysteroids to significantly affect photosynthetic processes. To our knowledge,these results are the first to suggest a new potential biological function of phytoecdysteroids-regulation of photosynthesis.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
ED - Physiology
OECD FORD branch
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Project
<a href="/en/project/GAP501%2F11%2F1650" target="_blank" >GAP501/11/1650: Functional role of oxysterols in plant photosynnthesis</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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