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Clarifying how genome duplication and triplication events shaped early vertebrate genomes has presented a challenge in evolutionary biology. The genome of the jawless hagfish provides a missing piece of this puzzle.
Tens of millions of people have female genital schistosomiasis, a neglected tropical disease that few physicians have even heard of. Efforts are under way to move it out of obscurity and empower women and girls to access sexual and reproductive health care.
By using volunteers to map roads in forests across Borneo, Sumatra and New Guinea, an innovative study shows that existing maps of the Asia-Pacific region are rife with errors. It also reveals that unmapped roads are extremely common — up to seven times more abundant than mapped ones. Such ‘ghost roads’ are promoting illegal logging, mining, wildlife poaching and deforestation in some of the world’s biologically richest ecosystems.
The development of high-performance organic LEDs and other devices that emit near-infrared light has been hindered by seemingly fundamental features of the light-emitting molecules. A potential solution has been identified.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.