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Study on the function of cucumber werewolf homolog in epidermal cell fate determination in Arabidopsis roots
Başlık:
Study on the function of cucumber werewolf homolog in epidermal cell fate determination in Arabidopsis roots
Yazar:
Verma, Shreya, author.
ISBN:
9780438079168
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (58 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Su-Hwan Kwak.
Özet:
Previous studies on root hair cell patterning among angiosperms indicates that the striped pattern characteristics of Brassicaceae root epidermis originated from the ancestral state in which the root hair had the capacity to develop in any epidermal position relative to the underlying cortex. The possible reason behind the striped trait could be changes in the gene expression of key regulatory genes. For example, one hypothesis is that the homologs of CPC and WER, which are expressed in every epidermal cell in the ancestral root, could have had expression restricted to specific cell types by lateral inhibition, thus generating root hair cell and non-hair cell fate. This study examined how the non-hair cell fate of cucumber (Cucumis sativus) root epidermis is made and whether the cucumber homolog of Arabidopsis WER is working for non-hair cell fate of cucumber root epidermis. To answer this question, the cucumber homolog of WER was expressed in the wer-1 mutant Arabidopsis (wer-1 CsWER), and the phenotype of the wer-1 CsWER roots was analyzed. The root hair density of the wer-1 CsWER was significantly higher than that of wild type, and there was no significant difference in the root hair density between the wer-1 and the wer-1 CsWER roots. The expression of CsWER in the transgenic wer-1 plants was confirmed by RT-PCR. The results suggest that CsWER does not have the non-hair-cell-promoting function in Arabidopsis thaliana.
Notlar:
School code: 0198
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(696259.1) | 696259-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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