Higher temperatures make it difficult for fig tree pollinators
Researchers from Uppsala University and elsewhere have been studying the effect of rising temperatures on the lifespan of pollinating fig wasps. The findings show that the wasps lived much shorter lives at high temperatures, which would make it difficult for them to travel the long distances between the trees they pollinate.
Strong link between gut bacteria and metabolites
There are strong links between bacteria living in the gut and the levels of small molecules in the blood known as metabolites. Such is the finding of a new study (Uppsala University/Lund University). The study is based on analyses of both fecal and blood samples from 8,583 participants in the Swedish CArdioPulmonary bioImage Study (SCAPIS).
Sverker Jagers new Zennström Professor of Climate Change Leadership
Sverker C Jagers, Professor of Political Science and Director of the Centre for Collective Action Research at the University of Gothenburg, will hold Uppsala University's fifth Zennström Visiting Professorship in Climate Change Leadership. The ten-year visiting professorship, through which a new professor is invited every year or every other year, is funded by an earlier donation to Uppsala Univ
Genetic background associated with physically active lifestyle
In a large international study, researchers at Uppsala University have identified DNA regions that are associated with physical activity or leisure screen time. The findings confirm that physical activity is beneficial for health and suggest that a more sedentary lifestyle can be explained by how muscles respond to exercise.
Blood clot formation in cerebral cavernous malformations
In the condition known as cerebral cavernoma, lesions arise in a cluster of blood vessels in the brain. In a new study from Uppsala University, researchers show that blood coagulation and blood clot formation are very relevant for the disease and that antithrombotic therapy may be beneficial for cavernoma patients.
Hundreds of large habitat shifts have shaped life on Earth today
An international team led by Uppsala University researchers has uncovered that eukaryotes (organisms with a cellular nucleus) have made hundreds of big leaps from sea to soil and freshwater habitats, and vice versa, during their evolution. The results, published in Nature Ecology and Evolution, also provide insights into what the habitats of our ancient microbial ancestors looked like.
DNA Gives Clues to Clean and Effective Energy Production
Researchers from several universities have, by studying helical molecules in the body such as DNA, received clues as to how energy production in fuel cells can be made more efficient without admixture of carbon dioxide and heavy metals. The new research shows how the helical molecules, found naturally in all oxygen-dependent life, catalyses energy production in the cells.
Y chromosome loss causes heart failure and death from cardiovascular disease
Loss of the Y chromosome in blood cells of men is associated with disease and mortality, but no clear causal relationship has previously been identified. Now, researchers from Uppsala University show in the journal Science that loss of the Y chromosome in white blood cells causes development of fibrosis in the heart, impaired heart function and death from cardiovascular diseases in men.
Ancestral genetic variation essential for rapid evolution of Darwin’s finches
In a study an international team of researchers have identified 28 gene regions that have been particularly important in the evolution of Darwin’s finches. These genetic variants do not represent recent mutations but constitute ancestral genetic variation that has accumulated over time as different species of Darwin’s finches have evolved with striking differences in beak morphology.
New hypothesis about crocodiles’ ears may help people with impaired hearing
Impaired hearing affects billions of people, but crocodiles, who live almost as long and can surpass 70 years of age, have good hearing throughout their lives. One reason is because can create new hair cells, and a research group from Uppsala University is now on the path to finding out why. Hopefully, knowledge from the world of crocodiles will be able to help people with impaired hearing.
Municipal housing policy influences refugee reception
Municipalities can use their local housing policy to influence the intake of refugees and the extent to which refugees are able to settle in the municipality in the long term. While certain municipalities offer refugees permanent housing contracts, others only provide temporary contracts that make it difficult for individuals to stay and establish themselves in the municipality.