Evidence of positive selection associated with placental loss in tiger sharks.

Dominic G SwiftLuke T DunningJavier IgeaEdward J BrooksCatherine S JonesLeslie R NobleAdam CiezarekEmily HumbleVincent Savolainen

Published in: BMC evolutionary biology (2016)

Our results indicate the loss of placenta in tiger sharks may be associated with subsequent adaptive changes in brain development and sperm production.

Keyphrases

white matter
cerebral ischemia
brain injury