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Rice OsBRCA2 Is Required for DNA Double-Strand Break Repair in Meiotic Cells.
Fu R, Wang C, Shen H, Zhang J, Higgins JD, Liang W. Fu R, et al. Front Plant Sci. 2020 Nov 16;11:600820. doi: 10.3389/fpls.2020.600820. eCollection 2020. Front Plant Sci. 2020. PMID: 33304374 Free PMC article.
In the absence of OsBRCA2, localization to the meiotic chromosome axes of the strand-invasion proteins OsRAD51 and OsDMC1 is severely reduced and in vitro OsBRCA2 directly interacts with OsRAD51 and OsDMC1. These results indicate that OsBRCA2 is essential for facili …
In the absence of OsBRCA2, localization to the meiotic chromosome axes of the strand-invasion proteins OsRAD51 and OsDMC1 is severely …
OsDMC1 is required for homologous pairing in Oryza sativa.
Deng ZY, Wang T. Deng ZY, et al. Plant Mol Biol. 2007 Sep;65(1-2):31-42. doi: 10.1007/s11103-007-9195-2. Epub 2007 Jun 12. Plant Mol Biol. 2007. PMID: 17562186
OsDMC1 is the rice homologue of the yeast DMC1 gene. Here, we analyzed the function of OsDMC1 in meiosis using an RNA interference approach. ...Fluorescent in situ hybridization experiments revealed that the OsDMC1-RNAi lines were defective in homologous
OsDMC1 is the rice homologue of the yeast DMC1 gene. Here, we analyzed the function of OsDMC1 in meiosis using an RNA interfer
OsRAD51 Plays a Vital Role in Promoting Homologous Recombination in Rice Meiosis.
Liu X, Cao Y, Du G, Zhang C, Xu M, Cheng Z, Shen Y, Yu H. Liu X, et al. Int J Mol Sci. 2022 Aug 31;23(17):9906. doi: 10.3390/ijms23179906. Int J Mol Sci. 2022. PMID: 36077304 Free PMC article.
Meiotic recombination plays a pivotal role in achieving accurate chromosomal segregation and increasing genetic diversity. In the homologous recombination pathway, the detailed mechanisms of how OsRAD51 and OsDMC1 work in rice meiosis remain to be explored. ...Moreo …
Meiotic recombination plays a pivotal role in achieving accurate chromosomal segregation and increasing genetic diversity. In the homolog
OsATM Safeguards Accurate Repair of Meiotic Double-Strand Breaks in Rice.
Zhang C, Zhang F, Cheng X, Liu K, Tang J, Li Y, Tang D, Cheng Z, Yu H. Zhang C, et al. Plant Physiol. 2020 Jul;183(3):1047-1057. doi: 10.1104/pp.20.00053. Epub 2020 May 13. Plant Physiol. 2020. PMID: 32404412 Free PMC article.
Here, we characterized the functions of the rice (Oryza sativa) ATM homolog during meiosis. Aberrant chromosome associations and DNA fragmentations were observed after the completion of homologous pairing and synapsis in Osatm pollen mother cells (PMCs). Aber …
Here, we characterized the functions of the rice (Oryza sativa) ATM homolog during meiosis. Aberrant chromosome associations and DNA …
Assessment of the roles of SPO11-2 and SPO11-4 in meiosis in rice using CRISPR/Cas9 mutagenesis.
Fayos I, Meunier AC, Vernet A, Navarro-Sanz S, Portefaix M, Lartaud M, Bastianelli G, Périn C, Nicolas A, Guiderdoni E. Fayos I, et al. J Exp Bot. 2020 Dec 31;71(22):7046-7058. doi: 10.1093/jxb/eraa391. J Exp Bot. 2020. PMID: 32842152
Similar to Osspo11-1, the pollen mother cells of Osspo11-2 progeny plants showed an absence of bivalent formation at metaphase I, aberrant segregation of homologous chromosomes, and formation of non-viable tetrads. In contrast, the chromosome behavior in Osspo11-4 male mei …
Similar to Osspo11-1, the pollen mother cells of Osspo11-2 progeny plants showed an absence of bivalent formation at metaphase I, aberrant s …
The Exonuclease Homolog OsRAD1 Promotes Accurate Meiotic Double-Strand Break Repair by Suppressing Nonhomologous End Joining.
Hu Q, Tang D, Wang H, Shen Y, Chen X, Ji J, Du G, Li Y, Cheng Z. Hu Q, et al. Plant Physiol. 2016 Oct;172(2):1105-1116. doi: 10.1104/pp.16.00831. Epub 2016 Aug 10. Plant Physiol. 2016. PMID: 27512017 Free PMC article.
During meiosis, programmed double-strand breaks (DSBs) are generated to initiate homologous recombination, which is crucial for faithful chromosome segregation. ...Loss of OsRAD1 led to abnormal chromosome association and fragmentation upon completion of homologous
During meiosis, programmed double-strand breaks (DSBs) are generated to initiate homologous recombination, which is crucial for faith …
DNA binding and pairing activity of OsDmc1, a recombinase from rice.
Kant CR, Rao BJ, Sainis JK. Kant CR, et al. Plant Mol Biol. 2005 Jan;57(1):1-11. doi: 10.1007/s11103-004-5828-x. Plant Mol Biol. 2005. PMID: 15821864
A cloned cDNA corresponding to OsDMC1 from rice anther tissue was expressed in Escherichia coli. ...OsDmc1-ssDNA complex, with its ATPase proficiency, also mediated renaturation of homologous complementary strands as well as assimilation of single strands int …
A cloned cDNA corresponding to OsDMC1 from rice anther tissue was expressed in Escherichia coli. ...OsDmc1-ssDNA complex, with …
Global gene profiling of laser-captured pollen mother cells indicates molecular pathways and gene subfamilies involved in rice meiosis.
Tang X, Zhang ZY, Zhang WJ, Zhao XM, Li X, Zhang D, Liu QQ, Tang WH. Tang X, et al. Plant Physiol. 2010 Dec;154(4):1855-70. doi: 10.1104/pp.110.161661. Epub 2010 Oct 19. Plant Physiol. 2010. PMID: 20959420 Free PMC article.
Known meiotic genes, including OsSPO11-1, PAIR1, PAIR2, PAIR3, OsDMC1, OsMEL1, OsRAD21-4, OsSDS, and ZEP1, all showed preferential expression in PMCs. ...
Known meiotic genes, including OsSPO11-1, PAIR1, PAIR2, PAIR3, OsDMC1, OsMEL1, OsRAD21-4, OsSDS, and ZEP1, all showed preferential ex …
DNA strand exchange activity of rice recombinase OsDmc1 monitored by fluorescence resonance energy transfer and the role of ATP hydrolysis.
Rajanikant C, Kumbhakar M, Pal H, Rao BJ, Sainis JK. Rajanikant C, et al. FEBS J. 2006 Apr;273(7):1497-506. doi: 10.1111/j.1742-4658.2006.05170.x. FEBS J. 2006. PMID: 16689935 Free article.
DNA binding and pairing activities of Oryza sativa disrupted meiotic cDNA1 (OsDmc1) from rice have been reported earlier. ...FRET changes were unaffected by the steps of deproteinization following OsDmc1 reaction, suggesting that the assay results reflected s …
DNA binding and pairing activities of Oryza sativa disrupted meiotic cDNA1 (OsDmc1) from rice have been reported earlier. ...F …