Not exact matches
On its surface, the presence of Australasian
genes might seem to
indicate that people had sailed from that area across the Pacific Ocean to the Americas, but that genetic
signature does not show up in people in the Pacific islands, which likely would have been along the route.
Their findings
indicate that intuition and
signatures of selection in
gene sequence may not be enough for scientists to conclusively solve the puzzles of molecular evolution.
So the shark - specific
signature of adaptation found in the Bag1
gene may
indicate an alternative, or modified role for this important
gene — one that could alter its tendency to inhibit programmed cell death in sharks.
Importantly, there is a clear
signature of the parents» sensitivity to high CO2 in the molecular phenotype of the offspring expressed by the differential regulation of
genes controlling the circadian rhythm
indicating adaptive potential through natural standing variation.
The methane stable isotopic
signature indicated production through acetoclastic methanogenesis, but
gene signatures from acetoclastic and hydrogenotrophic methanogenic Archaea were detected in both polygonal and runnel ponds.