Gene scan helps identify cause of inherited blindness

Scientists at Washington University School of Medicine in St. Louis have scanned the entire genome of mice for genes that help build photoreceptors, the light-sensing cells of the eye. The results have already helped researchers identify the gene that causes a form of retinitis pigmentosa, a type of inherited blindness in humans.

Volvox genome sequenced

Scientists have sequenced the genome of the colonial alga, Volvox carteri, the journal Science announced. While the photosynthesizing colonial algae is fascinating in itself, knowing its genome may also help scientists engineer algae able to produce economic biofuels.

Platypus hunter studies the bizarre mammal’s venom

When she was a child “in the land Down Under,” Camilla Whittington’s dad decided it would be fun for them to go look for platypuses. These animals, found only in Australia, are technically mammals, yet they are like no other mammals around – sure, like all mammals, they produce milk for their babies, but they also lay eggs and have a bill like birds do, and, most oddly, the males shoot venom from spurs in their hind legs that causes pain even the strongest painkillers can’t alleviate.  

Tweet: Scientists decode songbird’s genome

Nearly all animals make sounds instinctively, but baby songbirds learn to sing in virtually the same way human infants learn to speak: by imitating a parent. Now, an international team of scientists, led by the School of Medicine, has decoded the genome of a songbird — the Australian zebra finch — to reveal intriguing clues about the genetic basis and evolution of vocal learning. 
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