Results 91 to 100 of about 1,397,424 (256)

DDX5 facilitates HIV-1 replication as a cellular co-factor of Rev. [PDF]

PLoS ONE, 2013
HIV-1 Rev plays an important role in the late phase of HIV-1 replication, which facilitates export of unspliced viral mRNAs from the nucleus to cytoplasm in infected cells. Recent studies have shown that DDX1 and DDX3 are co-factors of Rev for the export
Xiuxia Zhou, Juan Luo, Lisa Mills, Shuangxin Wu, Ting Pan, Guannan Geng, Jim Zhang, Haihua Luo, Chao Liu, Hui Zhang   +9 more
doaj   +1 more source

A Motor Function for the DEAD-Box RNA Helicase, Gemin3, in Drosophila

PLoS Genetics, 2008
The survival motor neuron (SMN) protein, the determining factor for spinal muscular atrophy (SMA), is complexed with a group of proteins in human cells. Gemin3 is the only RNA helicase in the SMN complex. Here, we report the identification of Drosophila melanogaster Gemin3 and investigate its function in vivo.
Cauchi, Ruben J., Davies, Kay E., Liu, Ji-Long   +2 more
openaire   +6 more sources

DDX21 Enhances Radiosensitivity in Head and Neck Squamous Cell Carcinoma by Suppressing MK2‐Mediated DNA Damage Response

Advanced Science, EarlyView.
DDX21 suppresses MK2 activation by directly inhibiting Thr334 phosphorylation in a p38‐independent manner, thereby impairing DNA damage response. Clinically, patients with well‐differentiated tumors exhibiting high DDX21 expression are more likely to benefit from adjuvant radiotherapy, whereas those with low DDX21 levels are predisposed to ...
Tianru Yang, Ting Shen, Yanfang Qiu, Wei Zhang, Ziran Zheng, Jiayi Sun, Yuedi Yao, Mianfeng Yao, Jiang Li   +8 more
wiley   +1 more source

The role of the DEAD‐box RNA helicase DDX3 in mRNA metabolism

WIREs RNA, 2013
AbstractDDX3 belongs to the DEAD‐box proteins, a large family of ATP‐dependent RNA helicases that participate in all aspects of RNA metabolism. Human DDX3 is a component of several messenger ribonucleoproteins that are found in the spliceosome, the export and the translation initiation machineries but also in different cytoplasmic mRNA granules.
Soto-Rifo, Ricardo, Ohlmann, Theophile
openaire   +4 more sources

An ATP‐Driven N Protein–DDX21 Molecular Switch Dynamically Controls SARS‐CoV‐2 RNA G‐Quadruplex Heterogeneity

Advanced Science, EarlyView.
An ATP‐driven molecular switch, comprising viral nucleocapsid (N) protein and host helicase DDX21, dynamically modulates SARS‐CoV‐2 RNA G‐quadruplex (G4) heterogeneity. These viral G4s feature non‐canonical ion‐dependence and act as energy‐sensitive structural checkpoints.
Ya‐Ting Zheng, Li‐Yan Zhai, Jie Jin, Qiu‐Ying Chen, Hang Fu, Xue‐Qian Sun, Ying Lu, Hui Li, Xi‐Miao Hou   +8 more
wiley   +1 more source

In vivo mapping of the functional regions of the DEAD-box helicase Vasa

Biology Open, 2015
The maternally expressed Drosophila melanogaster DEAD-box helicase Vasa (Vas) is necessary for many cellular and developmental processes, including specification of primordial germ cells (pole cells), posterior patterning of the embryo, piRNA-mediated ...
Mehrnoush Dehghani, Paul Lasko
doaj   +1 more source

CHD8‐Dependent Chromatin Licensing Sustains Trophoblast Stem Cell Transcriptional Programs

Advanced Science, EarlyView.
In this study, Huang et al., identify chromatin remodeler CHD8 as an essential factor in TSC maintenance and placental development. CHD8‐dependent chromatin accessibility supports the occupancy of key trophoblast TFs and is coupled to KMT2A‐associated H3K4me3 deposition at TSC stem and cell cycle genes, providing a permissive chromatin environment for ...
Yuanyuan Huang, Zhenhua Hu, Jiali Liao, Lijun Huang, Jinyu Liu, Chen Tu, Yuchen Li, Lulu Xie, Shilei Bi, Xiaobo Fang, Jingsi Chen, Lili Du, Wei Sun, Haibin Wang, Shuang Zhang, Dunjin Chen, Zhaowei Tu   +16 more
wiley   +1 more source

GSLR Drives Lung Adenocarcinoma as a Critical Regulator of Energy Homeostasis Through Creatine Kinase B Activation

Advanced Science, EarlyView.
This study identifies the glucose/glutamine sensitive lncRNA GSLR as a driver of lung adenocarcinoma progression. Nutrient restriction reduces chromatin accessibility at the GSLR locus and blocks CTCF‐mediated transcriptional regulation. GSLR directly interacts with DHX9 and recruits it to the CKB promoter, arresting R‐loop accumulation and promoting ...
Xinyi Qian, Juze Yang, Jiayi Ren, Xiaowei Mao, Jia Li, Tengfei Sun, Liangliang Dong, Enguo Chen, Yan Lu, Pengyuan Liu   +9 more
wiley   +1 more source

Plasmodium falciparum DDX31 is DNA helicase localized in nucleolus

Heliyon, 2019
Malaria is a major infectious disease and is responsible for millions of infections every year. As drug resistance strains of Plasmodium species are emerging, there is an urgent need to understand the parasite biology and identify new drug targets ...
Rahena Yasmin, Manish Chauhan, Suman Sourabh, Renu Tuteja   +3 more
doaj   +1 more source

Monomeric PcrA helicase processively unwinds plasmid lengths of DNA in the presence of the initiator protein RepD [PDF]

, 2013
The helicase PcrA unwinds DNA during asymmetric replication of plasmids, acting with an initiator protein, in our case RepD. Detailed kinetics of PcrA activity were measured using bulk solution and a single-molecule imaging technique to investigate the ...
Fili, Natalia, Webb, Martin R, Mashanov, Gregory I, Chisty, Liisa T, Toseland, Christopher P., Dillingham, Mark S, Toseland, Christopher P, Molloy, Justin E   +7 more
core   +1 more source