Results 161 to 170 of about 304,895 (349)

OsRAD17 Is Required for Meiotic Double-Strand Break Repair and Plays a Redundant Role With OsZIP4 in Synaptonemal Complex Assembly

Frontiers in Plant Science, 2018
The repair of SPO11-dependent double-strand breaks (DSBs) by homologous recombination (HR) ensures the correct segregation of homologous chromosomes. In yeast and human, RAD17 is involved in DNA damage checkpoint control and DSB repair.
Qing Hu, Qing Hu, Chao Zhang, Chao Zhang, Zhihui Xue, Lijun Ma, Wei Liu, Yi Shen, Bojun Ma, Zhukuan Cheng, Zhukuan Cheng   +10 more
doaj   +1 more source

Genetical behavior of heteromorphic homologous chromosomes of circotettix (Orthoptera) [PDF]

, 1921
E. Eleanor Carothers
openalex   +1 more source

The recombinase protein is a torque sensitive molecular switch [PDF]

arXiv, 2016
How a nano-searcher finds its nano-target is a general problem in non-equilibrium statistical physics. It becomes vital when the searcher is a damaged DNA fragment trying to find its counterpart on the intact homologous chromosome. If the two copies are paired, that intact homologous sequence serves as a template to reconstitute the damaged DNA ...
arxiv  

Cryo‐EM Analysis of a Tri‐Heme Cytochrome‐Associated RC‐LH1 Complex from the Marine Photoheterotrophic Bacterium Dinoroseobacter Shibae

Advanced Science, EarlyView.
Cryo‐EM reveals a closed 17‐subunit LH ring encircling the RC‐LH1 complex in Dinoroseobacter shibae, featuring a novel helix‐turn‐helix subunit bridging RC and LH. Mg2⁺/Ca2⁺ stabilizes the complex, while periplasmic Cyt c₂ mediates electron transfer via a tri‐heme Cyt to the special pair of bacteriochlorophylls. Insights into energy/electron efficiency
Weiwei Wang, Yanting Liu, Jiayi Gu, Shaoya An, Cheng Ma, Haichun Gao, Nianzhi Jiao, Jian‐Ren Shen, John Thomas Beatty, Michal Koblížek, Xing Zhang, Qiang Zheng, Jing‐Hua Chen   +12 more
wiley   +1 more source

Maternal EHMT2 is essential for homologous chromosome segregation by regulating Cyclin B3 transcription in oocyte meiosis. [PDF]

Int J Biol Sci, 2022
Meng TG, Lei WL, Lu X, Liu XY, Ma XS, Nie XQ, Zhao ZH, Li QN, Huang L, Hou Y, Ouyang YC, Li L, Tang TS, Schatten H, Xie W, Gao SR, Ou XH, Wang ZB, Sun QY.   +18 more
europepmc   +1 more source

Sperm‐Derived CircRNA‐1572 Regulates Embryogenesis and Zygotic Genome Activation by Targeting CCNB2 via Bta‐miR‐2478‐L‐2

Advanced Science, EarlyView.
Sperm‐derived circRNA‐1572 competitively binds to bta‐miR‐2478‐L‐2 through a “sponge” mechanism to regulate cyclin B2 (CCNB2) expression, thereby modulating the distribution of fibrous actin (F‐actin) in early pig embryos, ensuring proper chromosome segregation during mitosis, and facilitating normal embryo cleavage and zygotic genome activation.
Yanfang Wu, Yaochang Wei, Yuelin Li, Yiming Dou, YongQiang Yang, Hanghang Liu, Xiaoyan Wang, Zheng Wang, Jianmin Su, Yong Zhang, Yongsheng Wang   +10 more
wiley   +1 more source

Assessment and Mitigation of CRISPR‐Cas9‐Induced Nontargeted Translocations

Advanced Science, EarlyView.
Various inverted repeat elements are dispersed throughout genomes. This study reveals that these elements can cause significant chromosomal rearrangements when CRISPR editing occurs in their proximity. The risk can be mitigated by incorporating inverted repeat‐homologous segments into the CRISPR system, which represents a promising strategy for ...
Zhiyang Hou, Qiyi Yi, Mengying Wu, Lijun Wu, Fanghua Li, Ting Wang, Po Bian   +6 more
wiley   +1 more source

Direct Quantification of Protein–Protein Interactions in Living Bacterial Cells

Advanced Science, EarlyView.
Quantitative measurement of protein–protein interactions in living cells is vital for biotechnology applications. Fluorescence resonance energy transfer (FRET) signals in bacterial cells are often weak, leading to false‐positive. Quantitative FRET measurements are implemented to overcome the weak FRET signal.
Soojung Yi, Eunji Kim, Sora Yang, Gyeongmin Kim, Da‐Woon Bae, Se‐Young Son, Bo‐Gyeong Jeong, Jeong Seok Ji, Hyung Ho Lee, Ji‐Sook Hahn, Sun‐Shin Cha, Yeo Joon Yoon, Nam Ki Lee   +12 more
wiley   +1 more source

Homocysteine Promotes the Pathogenesis of Atherosclerosis through the Circ‐PIAS1‐5/miR‐219a‐2‐3p/TEAD1 Axis

Advanced Science, EarlyView.
A model is schematically represented for the major molecular mechanisms by which homocysteine (Hcy) accelerates the nuclear export of circ‐PIAS1‐5, which regulates atherosclerosis by acting as a competing endogenous RNA for miR‐219a‐2‐3p. Hcy enrichment of circ‐PIAS1‐5 leads to YTHDC1 binding to circ‐PIAS1‐5 and promotes its intracellular localization ...
Shengchao Ma, Fei Ma, Ning Ding, Lin Xie, Anning Yang, Jiangyong Shen, Yun jiao, Kai Wu, YueE Chai, Zhigang Bai, Jiantuan Xiong, Nan Li, Huiping Zhang, Yideng Jiang   +13 more
wiley   +1 more source

Molecular and cellular paradigms of multidrug resistance in cancer

Cancer Reports, Volume 5, Issue 12, December 2022., 2022
Abstract Background The acquisition of resistance to chemotherapy is a major hurdle in the successful application of cancer therapy. Several anticancer approaches, including chemotherapies, radiotherapy, surgery and targeted therapies are being employed for the treatment of cancer.
Foram U. Vaidya, Abu Sufiyan Chhipa, Vinita Mishra, Vishal Kumar Gupta, Shiv Govind Rawat, Ajay Kumar, Chandramani Pathak   +6 more
wiley   +1 more source