Results 91 to 100 of about 26,611 (238)

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

Constraining Relativistic Bow Shock Properties in Rotation-Powered Millisecond Pulsar Binaries [PDF]

, 2017
Multiwavelength followup of unidentified Fermi sources has vastly expanded the number of known galactic-field "black widow" and "redback" millisecond pulsar binaries. Focusing on their rotation-powered state, we interpret the radio to X-ray phenomenology
Baring, Matthew G., Böttcher, Markus, Harding, Alice K., Venter, Christo, Wadiasingh, Zorawar   +4 more
core   +4 more sources

Multiple ETS family transcription factors bind mutant p53 via distinct interaction regions

FEBS Letters, EarlyView.
Mutant p53 gain‐of‐function is thought to be mediated by interaction with other transcription factors. We identify multiple ETS transcription factors that can bind mutant p53 and found that this interaction can be promoted by a PXXPP motif. ETS proteins that strongly bound mutant p53 were upregulated in ovarian cancer compared to ETS proteins that ...
Stephanie A. Metcalf, Nicholas F. Downing, Kaitlyn M. Mills, Samuel C. Metcalfe, Alexander E. Kritzer, Lindsey D. Mayo, Peter C. Hollenhorst   +6 more
wiley   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

FEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Cellular v-ATPase is required for virion assembly compartment formation in human cytomegalovirus infection [PDF]

Open Biology, 2017
Successful generation of virions from infected cells is a complex process requiring orchestrated regulation of host and viral genes. Cells infected with human cytomegalovirus (HCMV) undergo a dramatic reorganization of membrane organelles resulting in ...
Jonathan Pavelin, Dominique McCormick, Stephen Chiweshe, Saranya Ramachandran, Yao-Tang Lin, Finn Grey   +5 more
doaj   +1 more source

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

FEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman, Anna E. Lester, Brian D. Zoltowski   +2 more
wiley   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

The ESCRT machinery is recruited by the viral BFRF1 protein to the nucleus-associated membrane for the maturation of Epstein-Barr Virus.

PLoS Pathogens, 2012
The cellular endosomal sorting complex required for transport (ESCRT) machinery participates in membrane scission and cytoplasmic budding of many RNA viruses. Here, we found that expression of dominant negative ESCRT proteins caused a blockade of Epstein-
Chung-Pei Lee, Po-Ting Liu, Hsiu-Ni Kung, Mei-Tzu Su, Huey-Huey Chua, Yu-Hsin Chang, Chou-Wei Chang, Ching-Hwa Tsai, Fu-Tong Liu, Mei-Ru Chen   +9 more
doaj   +1 more source

pUL21 is a viral phosphatase adaptor that promotes herpes simplex virus replication and spread.

PLoS Pathogens, 2021
The herpes simplex virus (HSV)-1 protein pUL21 is essential for efficient virus replication and dissemination. While pUL21 has been shown to promote multiple steps of virus assembly and spread, the molecular basis of its function remained unclear.
Tomasz H Benedyk, Julia Muenzner, Viv Connor, Yue Han, Katherine Brown, Kaveesha J Wijesinghe, Yunhui Zhuang, Susanna Colaco, Guido A Stoll, Owen S Tutt, Stanislava Svobodova, Dmitri I Svergun, Neil A Bryant, Janet E Deane, Andrew E Firth, Cy M Jeffries, Colin M Crump, Stephen C Graham   +17 more
doaj   +1 more source

Heme Oxygenase Induction Suppresses Hepatic Hepcidin and Rescues Ferroportin and Ferritin Expression in Obese Mice [PDF]

, 2017
Hepcidin, a phase II reactant secreted by hepatocytes, regulates cellular iron levels by increasing internalization of ferroportin-a transmembrane protein facilitating egress of cellular iron.
Arefiev, Yevgeniy, Chao, Robert, Chaudry, Hibba, Klug, Rebecca, Lakhani, Vishal Hari, Nawab, Athar, Nichols, Alexandra, Peterson, Stephen J., Puri, Nitin, Sacerdoti, David, Sharma, Dana, Sodhi, Komal, Srikathanan, Krithika   +12 more
core   +2 more sources