News tagged with lineages

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Feedback loop maintains basal cell population

Notch – the protein that can help determine cell fate – maintains a stable population of basal cells in the prostate through a positive feedback loop system with another key protein – TGF beta (transforming growth factor ...

Nov 01, 2012
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Northern conifers youngest of the species

Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.

Oct 04, 2012
5 / 5 (1) 0 | with audio podcast

Small winners in the mammalian race to evolve

It takes at least 10 times as many generations for a mouse to reach elephantine proportions as for the reverse transition, reveals a vast study of mammalian evolution over the past 70 million years.

Oct 03, 2012
5 / 5 (4) 2 | with audio podcast

Fungi shifted plant balance of power

Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most ...

May 24, 2012
5 / 5 (2) 0 | with audio podcast