Results 81 to 90 of about 702,020 (309)

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

A yeast GSK-3 kinase Mck1 promotes Cdc6 degradation to inhibit DNA re-replication.

open access: yesPLoS Genetics, 2012
Cdc6p is an essential component of the pre-replicative complex (pre-RC), which binds to DNA replication origins to promote initiation of DNA replication. Only once per cell cycle does DNA replication take place.
Amy E Ikui   +3 more
doaj   +1 more source

The human origin recognition complex is essential for pre-RC assembly, mitosis, and maintenance of nuclear structure

open access: yeseLife, 2021
The origin recognition complex (ORC) cooperates with CDC6, MCM2-7, and CDT1 to form pre-RC complexes at origins of DNA replication. Here, using tiling-sgRNA CRISPR screens, we report that each subunit of ORC and CDC6 is essential in human cells. Using an
Hsiang-Chen Chou   +12 more
doaj   +1 more source

The archaeal ATPase PINA interacts with the helicase Hjm via its carboxyl terminal KH domain remodeling and processing replication fork and Holliday junction. [PDF]

open access: yes, 2018
PINA is a novel ATPase and DNA helicase highly conserved in Archaea, the third domain of life. The PINA from Sulfolobus islandicus (SisPINA) forms a hexameric ring in crystal and solution.
Ahmad, Sohail   +9 more
core   +1 more source

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

open access: yesFEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang   +9 more
wiley   +1 more source

EEG data and introspective reports from the Libet׳s experiment replication

open access: yesData in Brief, 2018
This article provides data from a contemporary replication of Libet׳s experiment. For the methodology, results and discussion of the replication, see the article “Libet׳s Experiment: A Complex Replication” (Dominik et al., 2018).
Tomáš Dominik   +5 more
doaj   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

open access: yesFEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani   +4 more
wiley   +1 more source

Cyclin K regulates prereplicative complex assembly to promote mammalian cell proliferation

open access: yesNature Communications, 2018
Prereplicative complex (pre-RC) formation during G1 is fundamental for cell replication. Here the authors report a role for cyclin K in regulating pre-RC formation in mammalian cells by affecting cyclin E1 activity.
Tingjun Lei   +18 more
doaj   +1 more source

Single molecule analysis of replicated DNA reveals the usage of multiple KSHV genome regions for latent replication. [PDF]

open access: yesPLoS Pathogens, 2011
Kaposi's sarcoma associated herpesvirus (KSHV), an etiologic agent of Kaposi's sarcoma, Body Cavity Based Lymphoma and Multicentric Castleman's Disease, establishes lifelong latency in infected cells.
Subhash C Verma   +6 more
doaj   +1 more source

Studying complex adaptive systems using molecular classifier systems [PDF]

open access: yes, 2007
Complex Adaptive Systems (CAS) are dynamical networks of interacting agents occurring in a variety of natural and artificial systems (e.g. cells, societies, stock markets). These complex systems have the ability to adapt, evolve and learn from experience.
Decraene, James   +2 more
core  

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