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The centromere/kinetochore complex is indispensable for accurate segregation of chromosomes during cell divisions when it serves as the attachment site for spindle microtubules. Centromere identity in metazoans is believed to be governed by epigenetic mechanisms, because the highly repetitive...
Proper information processing in neural circuits requires establishment of specific connections between pre- and postsynaptic neurons. Targeting specificity of neurons is instructed by cell-surface receptors on the growth cones of axons and dendrites, which confer responses to external guidance...
Young sea turtles use the Earth's magnetic field as a source of navigational information during their epic transoceanic migrations and while homing. A new study using satellite telemetry has now demonstrated for the first time that adult turtles also navigate using the Earth's magnetic field.
The surprising discovery of a whole-genome duplication in the otherwise compact genome of Paramecium tetraurelia displays the early forces driving gene retention and loss.
Most females mate with many males. This can be costly, but the benefits to females are often unclear. A new study raises the possibility that females could benefit through an unconventional genetic pathway, while also showing that males can inadvertently increase rival males' fitness in...
A new report from the European Union focusing on the likely impact of climate change on the continent's ecosystems presents the prospect of major problems ahead and is being used to support wider efforts to cut greenhouse gas emissions, writes Nigel Williams .
When a fission yeast cell divides, the anillin-like protein mid1p helps to position the contractile ring in the cell middle. Recent experiments from two groups have shown how the cell-polarity factor pom1p negatively regulates the distribution of mid1p.
The genome sequence of a second plant pathogenic fungus is now available, revealing unique gene clusters encoding secretory proteins that are induced during infection and regulate pathogenesis. Gene clusters play important roles in pathogenic fungi, yet their evolution and maintenance remain a...
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