Results 41 to 50 of about 78,437 (236)

A role for the ATP-dependent DNA ligase Lig E of Neisseria gonorrhoeae in biofilm formation

, 2023
Abstract The ATP-dependent DNA ligase Lig E is present as an accessory DNA ligase in numerous proteobacterial genomes, including many disease-causing species. Here we have constructed a genomic Lig E knock-out in the obligate human pathogen Neisseria gonorrhoeae and characterised its growth and infection characteristics.
Jolyn Pan, Joanna Hicks, Adele Williamson   +2 more
openaire   +1 more source

ATP‐ and NAD⁺‐dependent DNA ligases share an essential function in the halophilic archaeon Haloferax volcanii [PDF]

Molecular Microbiology, 2005
SummaryDNA ligases join the ends of DNA molecules during replication, repair and recombination. ATP‐dependent ligases are found predominantly in the eukarya and archaea whereas NAD+‐dependent DNA ligases are found only in the eubacteria and in entomopoxviruses.
Zhao, A., Gray, F. C, MacNeill, S. A.
openaire   +3 more sources

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

DNA methylation modifier LSH inhibits p53 ubiquitination and transactivates p53 to promote lipid metabolism

Epigenetics & Chromatin, 2019
Background The stability of p53 is mainly controlled by ubiquitin-dependent degradation, which is triggered by the E3 ubiquitin ligase MDM2. The chromatin modifier lymphoid-specific helicase (LSH) is essential for DNA methylation and cancer progression ...
Ling Chen, Ying Shi, Na Liu, Zuli Wang, Rui Yang, Bin Yan, Xiaoli Liu, Weiwei Lai, Yating Liu, Desheng Xiao, Hu Zhou, Yan Cheng, Ya Cao, Shuang Liu, Zanxian Xia, Yongguang Tao   +15 more
doaj   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

Ginsenoside Re Treatment Attenuates Myocardial Hypoxia/Reoxygenation Injury by Inhibiting HIF-1α Ubiquitination

Frontiers in Pharmacology, 2020
Previous studies have shown an attenuating effect of ginsenoside Re on myocardial injury induced by hypoxia/reoxygenation (H/R). However, the underlying mechanism remains unclear.
Huiyuan Sun, Huiyuan Sun, Huiyuan Sun, Shukuan Ling, Dingsheng Zhao, Jianwei Li, Yang Li, Hua Qu, Ruikai Du, Ying Zhang, Feng Xu, Yuheng Li, Caizhi Liu, Guohui Zhong, Shuai Liang, Zizhong Liu, Xingcheng Gao, Xiaoyan Jin, Yingxian Li, Dazhuo Shi   +19 more
doaj   +1 more source

ATP-dependent DNA ligase fromThermococcussp. 1519 displays a new arrangement of the OB-fold domain [PDF]

Acta Crystallographica Section F Structural Biology and Crystallization Communications, 2012
DNA ligases join single-strand breaks in double-stranded DNA by catalyzing the formation of a phosphodiester bond between adjacent 5'-phosphate and 3'-hydroxyl termini. Their function is essential for maintaining genome integrity in the replication, recombination and repair of DNA. High flexibility is important for the function of DNA ligase molecules.
T, Petrova, E Y, Bezsudnova, K M, Boyko, A V, Mardanov, K M, Polyakov, V V, Volkov, M, Kozin, N V, Ravin, I G, Shabalin, K G, Skryabin, T N, Stekhanova, M V, Kovalchuk, V O, Popov   +12 more
openaire   +2 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

FEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa, Akira Hattori, Masafumi Tsujimoto, Toshihide Kobayashi   +3 more
wiley   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

FEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil, Anna Corrà, Annalisa Scapolatiello, Chengxiang Qiu, Gianluca Amadei   +4 more
wiley   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

FEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source