Publication details

Telomere elongation upon transfer to callus culture reflects the reprogramming of telomere stability control in Arabidopsis

Authors

SOVÁKOVÁ Pavla MAGDOLENOVÁ Alžbeta KONEČNÁ Klára RÁJECKÁ Veronika FAJKUS Jiří FOJTOVÁ Miloslava

Year of publication 2018
Type Article in Periodical
Magazine / Source Plant Molecular Biology
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1007/s11103-018-0765-2
Doi http://dx.doi.org/10.1007/s11103-018-0765-2
Keywords Arabidopsis thaliana; Callus; Chromosome stability; Epigenetics; Regenerated plants; Telomere
Description Our results show that contrary to animal cells, the structure and function of plant telomeres is not determined significantly by the epigenetic character of telomere chromatin. Set of differentially transcribed genes was identified in calli, but considering the known telomere- or telomerase-related functions of respective proteins, none of these changes per se was apparently related to the elongated telomere phenotype. Based on our data, we propose that the disruption in telomere homeostasis in Arabidopsis calli arises from the interplay of multiple factors, as a part of reprogramming of plant cells to long-term culture conditions.
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