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Meiotic homologous recombination is pivotal to sexual reproduction. DMC1, a conserved recombinase, is involved in directing single-end invasion between interhomologs during meiotic recombination. In this study, we identified OsDMC1A and OsDMC1B, two closely related proteins in rice (Oryza sativa) with high sequence similarity to DMC1 proteins from other(More)
The human mitotic arrest-deficient 2 (Mad2) binding protein p31(comet) participates in the spindle checkpoint and coordinates cell cycle events in mitosis although its function in meiosis remains unknown in all organisms. Here, we reveal P31(comet) as a synaptonemal complex (SC) protein in rice (Oryza sativa L.). In p31(comet), homologous pairing and(More)
Moderate leaf rolling maintains the erectness of leaves and minimizes the shadowing between leaves which is helpful to establish ideal plant architecture. Here, we describe asrl2(semi-rolled leaf2) rice mutant, which has incurved leaves due to the presence of defective sclerenchymatous cells on the abaxial side of the leaf and displays narrow leaves and(More)
Telomere bouquet formation, a highly conserved meiotic event, plays an important role in homologous pairing and therefore progression of meiosis; however, the underlying molecular mechanism remains largely unknown. Here, we identified ZYGOTENE 1 (ZYGO1), a novel F-box protein in rice (Oryza sativa), and verified its essential role in bouquet formation(More)
4 Qing Hu, Yafei Li a, , Hongjun Wang, Yi Shen, Chao Zhang, Guijie Du, Ding 5 Tang, Zhukuan Cheng 6 a State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, 7 Chinese Academy of Sciences, Beijing 100101, China. 8 b University of Chinese Academy of Sciences, Beijing 100049, China. 9 These authors contributed equally to this(More)
4 Qing Hu, Yafei Li a, , Hongjun Wang, Yi Shen, Chao Zhang, Guijie Du, Ding 5 Tang, Zhukuan Cheng 6 a State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, 7 Chinese Academy of Sciences, Beijing 100101, China. 8 b University of Chinese Academy of Sciences, Beijing 100049, China. 9 These authors contributed equally to this(More)
During meiosis, programmed double-strand breaks (DSBs) are generated to initiate homologous recombination, which is crucial for faithful chromosome segregation. In yeast, Radiation sensitive1 (RAD1) acts together with Radiation sensitive9 (RAD9) and Hydroxyurea sensitive1 (HUS1) to facilitate meiotic recombination via cell-cycle checkpoint control. However,(More)
Homologous recombination plays a central role in guaranteeing chromosome segregation during meiosis. The precise regulation of the resolution of recombination intermediates is critical for the success of meiosis. Many proteins, including the RECQ DNA helicases (Sgs1/BLM) and Topoisomerase 3α (TOP3α), have essential functions in managing recombination(More)
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