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@article{2240870, author = {Cairo Calzada, Albert and Vargová, Anna and Shukla, Neha and Capitao, Claudio and Mikulková, Pavlína and Valuchová, Soňa and Pečinková, Jana and Bulankova, Petra and Říha, Karel}, article_location = {WASHINGTON}, article_number = {6606}, doi = {http://dx.doi.org/10.1126/science.abo0904}, keywords = {MESSENGER-RNA DECAY; SMG7; PROGRAM; PROTEIN; MEIOSIS; REVEALS;BODIES}, language = {eng}, issn = {0036-8075}, journal = {Science}, title = {Meiotic exit in Arabidopsis is driven by P-body-mediated inhibition of translation}, url = {https://www.science.org/doi/10.1126/science.abo0904}, volume = {377}, year = {2022} }
TY - JOUR ID - 2240870 AU - Cairo Calzada, Albert - Vargová, Anna - Shukla, Neha - Capitao, Claudio - Mikulková, Pavlína - Valuchová, Soňa - Pečinková, Jana - Bulankova, Petra - Říha, Karel PY - 2022 TI - Meiotic exit in Arabidopsis is driven by P-body-mediated inhibition of translation JF - Science VL - 377 IS - 6606 SP - 629-634 EP - 629-634 PB - AMER ASSOC ADVANCEMENT SCIENCE SN - 00368075 KW - MESSENGER-RNA DECAY KW - SMG7 KW - PROGRAM KW - PROTEIN KW - MEIOSIS KW - REVEALS;BODIES UR - https://www.science.org/doi/10.1126/science.abo0904 N2 - Meiosis, at the transition between diploid and haploid life cycle phases, is accompanied by reprograming of cell division machinery and followed by a transition back to mitosis. We show that, in Arabidopsis, this transition is driven by inhibition of translation, achieved by a mechanism that involves processing bodies (P-bodies). During the second meiotic division, the meiosis-specific protein THREE-DIVISION MUTANT 1 (TDM1) is incorporated into P-bodies through interaction with SUPPRESSOR WITH MORPHOGENETIC EFFECTS ON GENITALIA 7 (SMG7). TDM1 attracts eIF4F, the main translation initiation complex, temporarily sequestering it in P-bodies and inhibiting translation. The failure of tdm1 mutants to terminate meiosis can be overcome by chemical inhibition of translation. We propose that TDM1-containing P-bodies down-regulate expression of meiotic transcripts to facilitate transition of cell fates to postmeiotic gametophyte differentiation. ER -
CAIRO CALZADA, Albert, Anna VARGOVÁ, Neha SHUKLA, Claudio CAPITAO, Pavlína MIKULKOVÁ, Soňa VALUCHOVÁ, Jana PEČINKOVÁ, Petra BULANKOVA a Karel ŘÍHA. Meiotic exit in Arabidopsis is driven by P-body-mediated inhibition of translation. \textit{Science}. WASHINGTON: AMER ASSOC ADVANCEMENT SCIENCE, 2022, roč.~377, č.~6606, s.~629-634. ISSN~0036-8075. Dostupné z: https://dx.doi.org/10.1126/science.abo0904.
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