Warmer summer and fall seasons and fewer winter freeze-thaw events have led to changes in the relative numbers of different types of bugs in the Arctic, says Amanda Koltz, a postdoctoral fellow in Arts & Sciences. The study relies on the longest-standing, most comprehensive data set on arctic arthropods in the world today: a catalogue of almost 600,000 flies, wasps, spiders and other creepy-crawlies collected at the Zackenberg field station on the northeast coast of Greenland from 1996-2014.
In a growing plant cell, motor proteins called kinesins work as transporters that haul materials built in one part of the cell to the place where they are needed. Now, biologists at Washington University in St. Louis have discovered the molecular brakeman that holds kinesins in check until their cargo is needed.
Using new gene sequencing techniques, Washington University biologists are taking a closer look at the behavior of the social amoeba Dictyostelium discoideum, or Dicty for short.
Elizabeth S. Haswell, associate professor of biology in Arts & Sciences, has been elected as a council delegate for biological sciences for the American Association for the Advancement of Science. Her term began Feb. 20.
A new study in Parasites & Vectors finds ticks in urban parks dominated by an invasive rose bush are nearly twice as likely to be infected with the bacteria that causes Lyme disease, as compared to ticks from uninvaded forest fragments. But the trend reverses itself at a broader scale.
A rare, coastal flowering plant known as Tidestrom’s lupine — threatened by native deer mice that can munch up to three-quarters of its unripe fruits under cover of an invasive beachgrass — has been given a new life with the large-scale removal of that grass, a long-term study in the journal Restoration Ecology shows.
Jenny Liu has been selected to receive the 2016 Harrison D. Stalker Award from the Department of Biology in Arts & Sciences at Washington University in St. Louis. The award is recognizes students whose undergraduate careers combine outstanding scientific scholarship with significant contributions in the arts and humanities.
The Department of Biology in Arts & Sciences has awarded this year’s Spector Prize to Vita Jaspan. The annual award recognizes academic excellence and outstanding undergraduate achievement in research.
The Department of Biology in Arts & Sciences has selected Shyam Akula as the inaugural recipient of the Quatrano Prize, which will be awarded annually for the most creative biology thesis project.
As scientists look for replacements for our dwindling stock of antibiotics, the evolution of resistance is never far from their minds. Washington University in St. Louis biologist R. Fredrik Inglis explored the ability of bacteria to become resistant to a toxin called a bacteriocin by growing them for many generations in the presence of the toxin.