Search results for circadian

Agriculture Mar 3, 2023

IPK researchers provide insights into grain number determination mechanism of barley

Modifying inflorescences with higher grain capacity is vital for crop grain production. One recurring target is to select inflorescences with more branches or floral structures. Prominent examples include genes affecting ...

Cell & Microbiology Mar 1, 2023

Studies yield a better understanding of how cyanobacteria take advantage of glucose

Three UCO studies delve into how the Earth's most abundant photosynthetic organisms, marine cyanobacteria, are also able to obtain energy from organic substances, such as glucose

Plants & Animals Feb 24, 2023

Researchers reveal multifaceted regulation of crassulacean acid metabolism in epiphytic orchid

Epiphytes are a distinct group in the Earth's carbon cycling ecosystems. Most vascular epiphytes are from the particularly species-rich orchid family (Orchidaceae), with about 70% of Orchidaceae species being epiphytes. Crassulacean ...

Evolution Feb 16, 2023

Neanderthal genes may have helped early humans adapt to differences in Eurasian daylight hours

A team of epidemiologists and geneticists from Vanderbilt University, the University of Pennsylvania and the University of California has found evidence that suggests modern humans mating with Neanderthals may have gained ...

Plants & Animals Jan 30, 2023

Mating causes 'jet lag' in female fruit flies, changing behavior

An innovative technique from Cornell University researchers finds seminal fluid protein transferred from male to female fruit flies during mating changes the expression of genes related to the fly's circadian clock.

Polymers Jan 24, 2023

Mimicking an enigmatic property of circadian rhythms through an artificial chemical clock

Circadian rhythms are natural, internal oscillations that synchronize an organism's behaviors and physiological processes with their environment. These rhythms normally have a period of 24 hours and are regulated by internal ...

Cell & Microbiology Jan 19, 2023

New study deepens understanding of the regulation of circadian rhythms in the mammalian central clock

Circadian rhythms are inherent cycles of approximately 24 hours that regulate various biological processes, such as sleep and wakefulness. A research group at Nagoya University in Japan has recently revealed that neural networks ...

Plants & Animals Jan 18, 2023

Agave gene delays poplar dormancy, study finds

A team of scientists led by Oak Ridge National Laboratory discovered the gene in agave that governs when the plant goes dormant and used it to create poplar trees that nearly doubled in size, increasing biomass yield for ...

Plants & Animals Jan 17, 2023

Circadian clock controls sunflower blooms, optimizing for pollinators

An internal circadian clock controls the distinctive concentric rings of flowering in sunflowers, maximizing visits from pollinators, shows a new study from plant biologists at the University of California, Davis. The work ...

Cell & Microbiology Jan 10, 2023

Study shows circadian clock helps cells recover during starvation

Cells with a functioning molecular clock are better able to adapt to changes in glucose supply and can recover faster from long-term starvation, according to a study published today in eLife.

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