Results 81 to 90 of about 43,915 (298)

PER-TIM interactions with the photoreceptor cryptochrome mediate circadian temperature responses in Drosophila. [PDF]

open access: yesPLoS Biology, 2007
Drosophila cryptochrome (CRY) is a key circadian photoreceptor that interacts with the period and timeless proteins (PER and TIM) in a light-dependent manner.
Rachna Kaushik   +5 more
doaj   +1 more source

The circadian clock protein Period 1 regulates expression of the renal epithelial sodium channel in mice [PDF]

open access: yesJournal of Clinical Investigation, 2009
The mineralocorticoid aldosterone is a major regulator of sodium transport in target epithelia and contributes to the control of blood pressure and cardiac function. It specifically functions to increase renal absorption of sodium from tubular fluid via regulation of the alpha subunit of the epithelial sodium channel (alphaENaC).
Gumz, Michelle L.   +7 more
openaire   +3 more sources

An Energy Autonomous Microneedle Array‐Based Sensing System for Continuous Biomarker Monitoring

open access: yesAdvanced Science, EarlyView.
This work presents an innovative self‐powered wearable biosensor system for real‐time monitoring of multiple biomarkers in interstitial fluid. The device integrates stainless steel‐based minimally invasive microneedles with ion‐selective membranes, enabling simultaneous Na+, K+, Ca2+, pH, and glucose detection.
Arnab Pal   +9 more
wiley   +1 more source

Natural Variation of COLD and CATECHINS REGULATOR 1 Coordinately Fine‐Tunes Cold Tolerance and Tea Quality in Tea Plants

open access: yesAdvanced Science, EarlyView.
Multi‐trait genome‐wide association mapping identifies a central hub regulator, COLD AND CATECHINS REGULATOR 1 (CCR1), and its excellent natural allele variation, coordinately enhancing cold tolerance and promoting catechins biosyntheis. CsCCR1 interacts with CsCBF1/3 and is transcriptionally activated by CsLUX and CsKUA1 to promote catechins ...
Yanli Wang   +10 more
wiley   +1 more source

Keeping time on the plant-pathogen arms race : a role for the plant circadian clock in immune response [PDF]

open access: yes, 2011
In this study, Arabidopsis thaliana (Arabidopsis) in the Columbia-0 (Col-0) background showed time-of-day variation in susceptibility to the plant-pathogen Pseudomonas syringae DC3000 pathovar tomato (P.
Bhardwaj, Vaibhav
core  

Cysteine oxidation promotes dimerization/oligomerization of circadian protein period

open access: yes, 2022
Abstract: The molecular circadian clock is based on a transcriptional/translational feedback loop in which the stability and half-life of circadian proteins is of importance. Cysteine residues of proteins are subject to several redox reactions leading to S-thiolation and disulfide bond formation, altering protein stability and function.
Baidanoff, Fernando Martín   +5 more
openaire   +1 more source

timrit Lengthens Circadian Period in a Temperature-Dependent Manner through Suppression of PERIOD Protein Cycling and Nuclear Localization [PDF]

open access: yesMolecular and Cellular Biology, 1999
A fundamental feature of circadian clocks is temperature compensation of period. The free-running period of ritsu (timrit) (a novel allele of timeless [tim]) mutants is drastically lengthened in a temperature-dependent manner. PER and TIM protein levels become lower in timrit mutants as temperature becomes higher. This mutation reduces per mRNA but not
A, Matsumoto   +3 more
openaire   +2 more sources

CD177 Deficiency Defines a Stable Subtype of Human Neutrophil Granulocytes with Tumor Promoting Activity

open access: yesAdvanced Science, EarlyView.
Human neutrophils exist as two epigenetically imprinted subtypes defined by stable CD177 expression or absence — a ratio that persists across time, circadian rhythms, and inflammation. CD177− neutrophils display a distinct molecular landscape enriched in arginase 1 and lipid metabolism markers, accumulate in head‐and‐neck tumors, and associate with ...
Marcel Jung   +39 more
wiley   +1 more source

Circadian rhythmicity and light sensitivity of the zebrafish brain [PDF]

open access: yes, 2013
Light is important for entraining circadian rhythms, which regulate a wide range of biological processes. Zebrafish have directly light responsive tissues (Whitmore et al 2000) and are thus a useful vertebrate model for circadian rhythmicity and light ...
Moore, HA
core  

Disruption of rhythms of molecular clocks in primary synovial fibroblasts of patients with osteoarthritis and rheumatoid arthritis, role of IL-1;2/TNF [PDF]

open access: yes, 2012
Introduction: Circadian rhythms play an important role in the body and in single cells. Rhythms of molecular clocks have not been investigated in synovial fibroblasts (SF) of patients with osteoarthritis (OA) and rheumatoid arthritis (RA).
Haas, Stefanie   +3 more
core   +1 more source

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