Emilia Wilmowicz

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MicroRNAs regulate gene expression by guiding the cleavage or attenuating the translation of target mRNAs. In Arabidopsis thaliana, the subset of class II TCP genes (plant-specific group of transcription factors) contains an miR319-binding site. One of them, AtTCP4, regulates negatively leaf growth and positively leaf senescence. In addition, miR319(More)
In this study, the first ACC oxidase (PnACO1) cDNA from model short-day plant Pharbitis nil was isolated. The expression pattern of PnACO1 was studied under different conditions (photoperiod and auxin), an adequate balance of which determines P. nil flowering. It was shown that the gene was transcribed in all the examined organs of the 5-day-old seedling(More)
The great agronomic potential of Lupinus luteus, species widely cultivated in many European countries as well as Australia, is strongly affected by premature and excessive generative organ abscission, mainly flowers. The unwanted process takes place in a specialized group of cells, called abscission zone (AZ). During their development they become competent(More)
Jasmonic acid methyl ester (JAMe) has been recently shown to play a crucial role in many physiological processes. In this paper, we focused on cotyledon senescence in Ipomoea nil and revealed that JAMe and darkness are the main factors stimulating the process examined. What is more, we showed that mefenamic acid (a jasmonate biosynthesis inhibitor) reverses(More)
Interactions between indole-3-acetic acid (IAA), abscisic acid (ABA), and ethylene (ET) in the photoperiodic flower induction of a short-day (SD) plant Pharbitis nil were investigated. It was shown that both IAA and ABA applied just before and during the first half of the 16-h-long inductive night inhibited flower induction in P. nil. Ethylene is also(More)
Ent-kaurene oxidase (EKO) catalyze three sequential oxidations in the early steps of gibberellin biosynthesis pathway. In this research, a cDNA sequence of InEKO1 gene in the model short-day plant Ipomoea nil was identified. Our studies revealed that inductive conditions for flowering caused an increase in the transcriptional activity of examined gene in(More)
Taraxacum pieninicum is an extremely threatened species. It seems that traditional protection methods of this species are insufficient and it is necessary to use biotechnology tools that allow the in vitro storage of plant material. The present study describes in vitro conservation of T. pieninicum by slow-growth storage. Various light conditions and(More)
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