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Two genes explain variation in colour and behaviour in the wall lizard

Two genes explain variation in colour and behaviour in the wall lizard

Press Releases   •   Mar 01, 2019 09:24 GMT

How are reptiles capable of generating such a diversity of bright colors? And how is it possible that within a single population of the same species, different individuals exhibit strikingly different coloration patterns? A team of scientists reveal two genes implicated in yellow to red pigmentation in reptiles, and demonstrate that these “pigmentation genes” also affect behaviour and other traits

​Should we be screening future parents for genetic disorders?

​Should we be screening future parents for genetic disorders?

Press Releases   •   Mar 01, 2019 07:00 GMT

Should public health-care systems provide couples with expanded screening for genetic disorders before they decide to become pregnant? Screening programmes could increase our reproductive choices and autonomy. But there are ethical issues at stake.

New research initiative will power up Europe’s battery revolution

Press Releases   •   Feb 26, 2019 08:07 GMT

A world moving from fossil fuels to renewable energy will rely more and more on energy storage and in particular on batteries. The Battery 2030+ large-scale research initiative will gather leading scientists in Europe, as well as the industry, to achieve a leap forward in battery science and technology.

Uppsala Health Summit announces travel grants for journalists

Press Releases   •   Feb 22, 2019 14:53 GMT

Uppsala Health Summit will offer up to four travel grants to journalists to attend the summit 7 - 9 October themed Healthy Urban Childhoods at Uppsala Castle, Sweden. The grant is intended for journalists with a demonstrated interest in the area, and who otherwise would not have the possibility to attend due to unavailability of funds. Last day to apply is 3 May 2019.

Hard-to-detect antibiotic resistance an underestimated clinical problem

Press Releases   •   Feb 11, 2019 16:00 GMT

When antibiotics are used to treat bacteria susceptible to them, the treatment usually works. Nevertheless, the antibiotic chosen is sometimes ineffective. One of the reasons for this is heteroresistance, a phenomenon explored in depth by Uppsala and Emory University researchers in a new study.

The 210-million-year-old Smok was crushing bones like a hyena

The 210-million-year-old Smok was crushing bones like a hyena

Press Releases   •   Jan 31, 2019 07:45 GMT

Coprolites, or fossil droppings, of the dinosaur-like archosaur Smok wawelski contain lots of chewed-up bone fragments. This led researchers at Uppsala University to conclude that this top predator was exploiting bones for salt and marrow, a behavior often linked to mammals but seldom to archosaurs.

Celsius-Linnaeus Lectures 2019: Climate change, carbon dioxide storage, and human health

Press Releases   •   Jan 30, 2019 13:55 GMT

What do we need to be able to store carbon dioxide in bedrock and thereby reduce the human impact on the global climate? At the Celsius-Linnaeus lectures on 7 February, geologist Martin Blunt and microbiologist and toxicologist Linda S. Birnbaum will present research findings on some of the biggest challenges facing humanity.

Large volcanic eruption in Scotland may have contributed to prehistoric global warming

Large volcanic eruption in Scotland may have contributed to prehistoric global warming

Press Releases   •   Jan 24, 2019 10:00 GMT

Around 56 million years ago, global temperatures spiked. Researchers at Uppsala University and in the UK now show that a major explosive eruption from the Red Hills on the Isle of Skye may have been a contributing factor to the massive climate disturbance. Their findings have been published in the journal Scientific Reports.

Our genes affect where fat is stored in our bodies

Press Releases   •   Jan 21, 2019 10:00 GMT

A study from Uppsala University has found that whether you store your fat around the trunk or in other parts of your body is highly influenced by genetic factors and that this effect is present predominantly in women and to a much lower extent in men. In the study, published in Nature Communications, the researchers measured how fat was distributed in nearly 360,000 voluntary participants.

Our Universe: An expanding bubble in an extra dimension

Our Universe: An expanding bubble in an extra dimension

Press Releases   •   Dec 27, 2018 16:00 GMT

Uppsala University researchers have devised a new model for the Universe – one that may solve the enigma of dark energy. Their new article, published in Physical Review Letters, proposes a new structural concept, including dark energy, for a universe that rides on an expanding bubble in an additional dimension.

Historical genomes reveal recent changes in genetic health of eastern gorillas

Historical genomes reveal recent changes in genetic health of eastern gorillas

Press Releases   •   Dec 27, 2018 16:00 GMT

The critically endangered Grauer’s gorilla has recently lost genetic diversity and has experienced an increase in harmful mutations. These conclusions were reached by an international team of researchers who sequenced eleven genomes from eastern gorilla specimens collected up to 100 years ago, and compared these with genomes from present-day individuals. Results are published in Current Biology.

Simple method rescues stressed liver cells

Press Releases   •   Dec 21, 2018 11:23 GMT

Isolated human hepatocytes are essential tools in preclinical and clinical liver research, but cell quality is highly variable. Now, researchers from Uppsala University have devised a simple protocol that improves hepatocyte quality and enables cells from a wider quality spectrum to be used in standard and advanced cell culture. The findings are published in Archives of Toxicology.

Surgery unnecessary for many prostate cancer patients

Press Releases   •   Dec 12, 2018 22:00 GMT

Otherwise healthy men with advanced prostate cancer may benefit greatly from surgery, but many with this diagnosis have no need for it. These conclusions were reached by researchers after following a large group of Scandinavian men with prostate cancer for 29 years. The results are now published in The New England Journal of Medicine.

Biologists shed new light on an old question

Press Releases   •   Dec 12, 2018 17:00 GMT

For nearly 100 years biologists have argued about how exactly natural selection can possibly work. If nature selects the individuals with the best genes then why aren’t all organisms the same? Recent findings made at Uppsala University suggest that the answer could be sex.

​White-browed Shortwing is not 1 but 4 species

​White-browed Shortwing is not 1 but 4 species

Press Releases   •   Nov 26, 2018 09:00 GMT

The White-browed Shortwing has been considered to be a single species. But now the mainland and Taiwan Island populations have been studied by an international team of researchers, led by Uppsala University. They analysed DNA, plumages, structure, songs and geographical distributions, and concluded that the continental and Taiwanese populations are actually three rather than one species.

​Hundreds of babblers’ DNA analysed

​Hundreds of babblers’ DNA analysed

Press Releases   •   Nov 23, 2018 15:58 GMT

Using DNA sequences for 402 of the 452 species of the world’s “babblers”, an international team from China, Sweden, Denmark, Switzerland and the USA have analysed the evolutionary relationships among these species. Many of these species have not previously been studied using genetic methods, and this is by far the most comprehensive analysis of this group of birds to date.

Gigantic mammal “cousin” discovered

Gigantic mammal “cousin” discovered

Press Releases   •   Nov 22, 2018 19:00 GMT

During the Triassic period mammal-like reptiles called therapsids co-existed with ancestors to dinosaurs, crocodiles, mammals, pterosaurs, turtles, frogs, and lizards. Researchers at Uppsala University in Sweden, together with colleagues in Poland, have discovered fossils from a new genus of gigantic dicynodont. The new species Lisowicia bojani is described in the journal Science.

Deciding not to resuscitate: nurses’ and physicians’ perspectives

Press Releases   •   Nov 15, 2018 10:37 GMT

When deciding not to resuscitate patients in cardiac arrest, ethical issues arise. Nurses and physicians conflicting perspectives often cause frustration. In a new doctoral thesis from Uppsala University, Mona Pettersson examines clinical and ethical perspectives on “DNR orders” in cancer care.

The unintended consequences of dams and reservoirs

The unintended consequences of dams and reservoirs

Press Releases   •   Nov 13, 2018 16:54 GMT

An international team of drought scientists show that while many dams and reservoirs are built, or expanded, to alleviate droughts and water shortages, they can paradoxically contribute to make them worse. The study is published in Nature Sustainability.

Researchers capture in-action images of photosynthetic protein complex splitting water

Researchers capture in-action images of photosynthetic protein complex splitting water

Press Releases   •   Nov 07, 2018 18:00 GMT

In a new article published in Nature an international research team presents high-resolution images of photosystem II, the protein complex that splits water into hydrogen ions and oxygen during photosynthesis. The images will help researchers better understand this complex mechanism, possibly opening up the door to developing cheap and efficient solar fuel devices.