Results 101 to 110 of about 12,293 (210)

TOP1MT rs2293925 is an enhancer‐active regulatory SNP that shapes mitochondrial R‐loop dynamics

The FEBS Journal, EarlyView.
This study shows how a common genetic variant of mitochondrial topoisomerase 1 (TOP1MT rs2293925) can influence mitochondrial gene regulation, DNA topology, and formation of noncanonical nucleic acid structures such as R‐loops. By linking this enhancer‐active variant to mitochondrial nucleic acid stress in cellular contexts relevant to amyotrophic ...
Dóra Varga, Zsolt Ráduly, Beáta Boros‐Oláh, Éva Nagy, Zsolt Karányi, László Halász, Bálint László Bálint, György Vámosi, Emese Tóth, Péter Bai, Serena Santangelo, Patrizia Bossolasco, Antonia Ratti, Vincent Géli, Yves Pommier, Lóránt Székvölgyi   +15 more
wiley   +1 more source

Clonal Hematopoiesis and CAR T Cell Therapy: From Biological Crosstalk to Clinical Implications

International Journal of Laboratory Hematology, EarlyView.
ABSTRACT Clonal hematopoiesis (CH) is increasingly recognized as a significant biological phenomenon in aging and cancer, marked by the expansion of hematopoietic stem and progenitor cells harboring somatic mutations in genes associated with myeloid neoplasms.
Wei Du, Shunsuke Koga, Guang Yang, Saar Gill, Adam Bagg   +4 more
wiley   +1 more source

MYC modulates TOP2A diffusion to promote substrate detection and activity

Nature Communications
Topoisomerases alleviate DNA supercoiling by cleaving and resealing DNA strands. Previously, we showed that the oncoprotein MYC recruits and stimulates topoisomerases to remove DNA entanglements generated by oncogenic transcription.
Donald P. Cameron, Kathryn Jackson, Alessia Loffreda, Carl Möller, Vladislav Kuzin, Matteo Mazzocca, Evanthia Iliopoulou, Hallgerdur Kolbeinsdottir, Andrej Paluda, Evgeniya Pavlova, Bea Jagodic, Brian Saidel Lopez Duran, Valérie Lamour, Fredrik Westerlund, Davide Mazza, Laura Baranello   +15 more
doaj   +1 more source

Phenotypic Florfenicol Resistance in floR‐Harbouring Flavobacterium psychrophilum Isolates (CC‐ST90): A Case Study From Danish Freshwater Rainbow Trout Aquaculture

Journal of Fish Diseases, EarlyView.
ABSTRACT Monitoring antimicrobial resistance (AMR) in fish pathogens is essential for supporting sustainable aquaculture. In this study, susceptibility testing and genome sequencing were used to characterize the AMR profile of seven Flavobacterium psychrophilum originating from Danish rainbow trout farms (2019–2022).
Valentina L. Donati, Lone Madsen
wiley   +1 more source

Condensin and topoisomerases cooperate to relieve topological stress at stalled replication forks

Nature Communications
Resolving complex topological structures at replication forks is essential for faithful DNA replication, yet the underlying mechanisms remain poorly understood.
Mégane Da Mota, Axel Delamarre, Antoine Barthe, Jessica Jackson, Nail Bouzalmad, Alba Torán-Vilarrubias, Yea-Lih Lin, Cyril Ribeyre, Alessandro Vindigni, Philippe Pasero, Armelle Lengronne   +10 more
doaj   +1 more source

ATXR5 and ATXR6 restrict meiotic crossover formation within heterochromatin in Arabidopsis

Journal of Integrative Plant Biology, EarlyView.
The Arabidopsis H3K27 mono‐methyltransferases ATXR5 and ATXR6 repress crossovers within meiotic heterochromatin, are required for heterochromatin condensation and H3K27me1 establishment, and specifically influence the maintenance of DNA methylation in meiocytes.
Jun Zhang, Yue Yu, Han Wang, Meiling Li, Dingning Li, Chenjiang You, Yingxiang Wang, Cong Wang   +7 more
wiley   +1 more source

Kinetoplast DNA: A Promising Drug Target for Treatment of Leishmaniasis

Journal of Mazandaran University of Medical Sciences, 2020
Leishmaniasis is a vector-borne zoonotic disease caused by various species of the genus Leishmania, (trypanosomatidae family) that is transmitted by phlebotomine sandflies.
Elham Kialashaki, Mahdi Fakhar, Javad Akhtari, Roghiyeh Faridnia, Masoud Keighobadi   +4 more
doaj  

Cell‐Specific Expression and Cellular Compartmental Regulation in Camptothecin Biosynthesis

Plant Biotechnology Journal, EarlyView.
ABSTRACT Plant secondary metabolites such as monoterpenoid indole alkaloids (MIAs) show tightly regulated biosynthesis and accumulation in specific organelles of distinct cell types. However, the cell‐specific expression patterns of anticancer MIA camptothecin biosynthetic genes in Ophiorrhiza pumila and the regulatory mechanisms of camptothecin ...
Xiaolong Hao, Yinkai Yang, Tiantian Chen, Xiaoxuan Fan, Yiqing Peng, Qingyan Ruan, Qin Zhou, Fanghao Liu, Jiayi He, Yongpeng Li, Yue Feng, Jiyan Qi, Guoyin Kai   +12 more
wiley   +1 more source

RAD51 and RAD51 paralog inhibition sensitizes nonreplicating quiescent keratinocytes to UV radiation

Photochemistry and Photobiology, EarlyView.
UV radiation and other compounds generate DNA adducts that block transcription and induce cell death if not removed by the nucleotide excision repair system. In this work, we used a small‐scale pharmacological screen to discover that inhibition of the recombinase RAD51 sensitized nonreplicating quiescent keratinocytes to both UVR and other agents that ...
Saman Khan, Angitha Nair, M. Alexandra Carpenter, Michael G. Kemp   +3 more
wiley   +1 more source

Antibiotic‐mediated immune modulation in periodontitis

Periodontology 2000, EarlyView.
Abstract Periodontitis is a chronic inflammatory disease affecting the supporting structures of the teeth. Although initiated by dysbiotic microbial communities, its progression is largely driven by the host's uncontrolled inflammatory response. While antibiotics have conventionally been employed in periodontitis therapy for their antimicrobial ...
Lina J. Suárez, R. M. Arce, Camila Pinheiro Furquim, Cristiane Gonçalves, Alpdogan Kantarci, Magda Feres, Nidia C. Castro dos Santos   +6 more
wiley   +1 more source