Tag: "darkness" at biology news

Molecular mechanisms that trigger flowering in spring

...of other genes that trigger flowering. However, in darkness these photoreceptors are not activated, and CONSTANS protein is attached to a small protein called ubiquitin, which marks it for degradation by the proteasome. Thus in short days, although CONSTANS mRNA is present, the protein is absent. The expressi...

A world ruled by fungi

... vegetation month by month. They depict a world in darkness where the fungi had taken over. Its known that an asteroid hit the Yucatan peninsula in Mexico at the end of the Cretaceous Period. It left a 180 km wide crater and from the impact site tsunamis developed and the Caribbean region was buried in ash an...

Antarctic fish study may aid cardiac research

...on what animals get up to during the impending 24h darkness of a polar winter, how sensitive they are likely to be to climate change, and perhaps pave the way to understanding how we may prevent a cold heart from fluttering. We know enough to realise this 'cod' is different from those species living in the ch...

How do animals exposed to 24-hour light retain their wake-sleep habits?

...by months of full light followed by months of full darkness -- retain their sleep and awake habits in such un...s daylight in the summer and 82 days of continuous darkness in the winter, a team of researchers may have begun to identify a clue. A New Study The research i...

Corals can reestablish symbiosis with algae from their environments after bleaching

... rod common to Caribbean reefs) by keeping them in darkness in the laboratory. After 12 weeks of darkness, cell densities of symbionts in the coral had plunged to less than one percent of their population density when the corals were healthy. During the six weeks following 'bleaching,' the cor...

Despite darkness, nocturnal bees learn visual landmarks while foraging at night

... to adopt a nocturnal lifestyle, with the cover of darkness allowing them to exploit food resources in relativ...ta genalis--have become nocturnal, and despite the darkness and their apparently insensitive compound eyes, they have retained remarkable visual abilities. In t...

Got the time?

...cles that are naturally shorter than 24 hours, and darkness serves as a stimulus for resetting the circadian clock (such stimuli are referred to as Zeitgeber mechanisms, from the German word meaning "time-giver"). Their analysis of expression levels at this critical Zeitgeber hour 12 produced estimated body t...

Testing the fitness of biological clocks

...shutting down photosynthesis in expectation of the darkness that never comes," says Johnson....

New hydrothermal vents discovered as 'South Pacific Odyssey' research begins

...nails and other strange animals that live in total darkness off of the hot, acidic vent water. Many scientists have dubbed the basin "the perfect geologic experiment," an ideal place to study the processes that connect Earth's deep interior to ocean ridge volcanoes and the biological communities they support...

Researchers ID chlorophyll-regulating gene

...orn - must have the ability to transition from the darkness of an underground environment to life above ground. "The development of seed burial in plants provided a long-term survival benefit through protection from predators and hostile surface conditions," said Quail. "The true test of our hypot...

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(Date:3/31/2015)... Karen A. Daley, Ph.D. will address graduates ... Commencement ceremony on May 9, 2015 and will ... of her eminent career as a nurse, public health ... and senior staff nurse at Brigham and Women’s Hospital ... roles, including President of the American Nurses Association in ...
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(Date:3/31/2015)... Plains, NJ (PRWEB) March 31, 2015 Dr. ... Spear Education Institute for Advanced Dental Education. Here, he ... hands-on workshop designed to create a greater predictability in cases ... on the etiologies of tooth wear, and the correlation to ... is also a Mentor at Spear Education. After the ...
(Date:3/31/2015)... Dr. Uzma Parvez is having a busy start to ... Grounds Presentations at St. Michael’s Medical Center for attending staff ... The event was attended by a large gathering of students, ... from the Grand Rounds. It was said that it ... while. , Ahead, Dr. Parvez has been invited to ...
Breaking Medicine News(10 mins):Health News:Rivier University to recognize nurse leader, educator and safety advocate at 80th Commencement on May 9th 2Health News:Rivier University to recognize nurse leader, educator and safety advocate at 80th Commencement on May 9th 3Health News:Local Medical DNA Labs, LLC. Recognized for Quality Laboratory Services 2Health News:Cosmetic Surgery: Does Social Media Pressure Young Girls to Get Botox and Fillers? 2Health News:The dentists at Upper Montclair Dental Associates are happy to announce exciting new happenings at their practice. 2Health News:NJ Top Docs Presents, Dr. Uzma Parvez of Total Pain Care 2
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