Seed development, seed germination and seedling growth in the R50 (sym16) pea mutant are not directly linked to altered cytokinin homeostasis

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F12%3A33142817" target="_blank" >RIV/61989592:15310/12:33142817 - isvavai.cz</a>
Alternative codes found
RIV/61389030:_____/12:00382517
Result on the web
<a href="http://onlinelibrary.wiley.com/doi/10.1111/j.1399-3054.2012.01594.x/abstract;jsessionid=96F45CEE7CBC5F53D154397297FEA4FC.d04t04" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1111/j.1399-3054.2012.01594.x/abstract;jsessionid=96F45CEE7CBC5F53D154397297FEA4FC.d04t04</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/j.1399-3054.2012.01594.x" target="_blank" >10.1111/j.1399-3054.2012.01594.x</a>

Result language
angličtina
Original language name
Seed development, seed germination and seedling growth in the R50 (sym16) pea mutant are not directly linked to altered cytokinin homeostasis
Original language description
R50 (sym16) is a pea nodulation mutant that accumulates cytokinin (CK) in its vegetative organs. Total CK content increases as the plant ages because of the low activity of the enzyme cytokinin oxidase/dehydrogenase (CKX) responsible for CK degradation.R50 exhibits a large seed with high relative water content, and its seedling establishes itself slowly. Whether these two traits are linked to abnormal CK levels was considered here. R50 was found to have a similar germination rate but a much slower epicotyl emergence than Sparkle, its wild-type (WT). At the onset of emergence, the starch grains in R50 cotyledons were larger than those of WT; furthermore, they did not degrade as fast as in WT because of low amylase activity. No differences between the pea lines were observed in the CK forms identified during seed embryogenesis. However, while CK content compared to that of WT was reduced early in R50 embryogenesis, it was elevated later on in its dry seeds where CKX activity was low, al
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
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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