Results 21 to 30 of about 5,783,416 (253)

Biological Clocks and Rhythms in Polar Organisms [PDF]

open access: yes, 2020
Biological clocks are universal to all living organisms on Earth. Their ubiquity is testament to their importance to life: from cells to organs and from the simplest cyanobacteria to plants and primates, they are central to orchestrating life on this ...
K. Last   +5 more
semanticscholar   +2 more sources

Biological clocks in theory and experiments [PDF]

open access: yesBMC Bioinformatics, 2005
Eukaryotes and some prokaryotes have adapted to the 24 h day/night cycle by evolving circadian clocks. The circadian clock now controls 24-hour rhythms in very many aspects of metabolism, physiology and behaviour.
Millar Andrew J
doaj   +2 more sources

An oligogenic architecture underlying ecological and reproductive divergence in sympatric populations

open access: yeseLife, 2023
The evolutionary trajectories and genetic architectures underlying ecological divergence with gene flow are poorly understood. Sympatric timing types of the intertidal insect Clunio marinus (Diptera) from Roscoff (France) differ in lunar reproductive ...
Dušica Briševac   +2 more
doaj   +1 more source

Crosstalk between vrille transcripts, proteins, and regulatory elements controlling circadian rhythms and development in Drosophila

open access: yesiScience, 2021
Summary: The vrille (vri) gene encodes a transcriptional repressor required for Drosophila development as well as circadian behavior in adults. Alternate first exons produce vri transcripts predicted to produce a short VRI isoform during development and ...
Kushan L. Gunawardhana   +3 more
doaj   +1 more source

Circadian Clock Control of Translation Initiation Factor eIF2α Activity Requires eIF2γ-Dependent Recruitment of Rhythmic PPP-1 Phosphatase in Neurospora crassa

open access: yesmBio, 2021
Circadian clock control of mRNA translation contributes to the daily cycling of a significant proportion of the cellular protein synthesis, but how this is accomplished is not understood.
Zhaolan Ding   +4 more
doaj   +1 more source

Cryptochrome 1 mediates light-dependent inclination magnetosensing in monarch butterflies

open access: yesNature Communications, 2021
Exactly how some animals use magnetic fields to navigate is a longstanding puzzle. A study using a new behavioural assay and transgenic butterflies finds the cryptochrome gene necessary for inclination-based magnetic sensing, and shows that both antennae
Guijun Wan   +3 more
doaj   +1 more source

Understanding neuron-glia crosstalk and biological clocks in insomnia.

open access: yesNeuroscience and Biobehavioral Reviews, 2023
According to the World Health Organization, about one-third of the population experiences insomnia symptoms, and about 10-15% suffer from chronic insomnia, the most common sleep disorder. Sleeping difficulties associated with insomnia are often linked to
C. Carvalhas-Almeida   +4 more
semanticscholar   +1 more source

Towards the discovery of novel molecular clocks in Prokaryotes [PDF]

open access: yes, 2023
Diel cycle is of enormous biological importance as it imposes daily oscillation in environmental conditions, which temporally structures most ecosystems. Organisms developed biological time-keeping mechanisms –
Augustin, Géron   +8 more
core   +1 more source

Light at night disrupts biological clocks, calendars, and immune function

open access: yesSeminars in Immunopathology, 2021
Light at night is a pervasive problem in our society; over 80% of the world’s population experiences significant light pollution. Exacerbating this issue is the reality that artificially lit outdoor areas are growing by 2.2% per year and continuously lit
William H. Walker   +5 more
semanticscholar   +1 more source

Neurodegeneration, memory loss, and dementia: the impact of biological clocks and circadian rhythm

open access: yesFrontiers in Bioscience, 2021
Introduction: Dementia and cognitive loss impact a significant proportion of the global population and present almost insurmountable challenges for treatment since they stem from multifactorial etiologies.
K. Maiese
semanticscholar   +1 more source

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