evolutionary biology

Velociraptor mongoliensis

Using bioinformatic and molecular cytogenetic approaches, researchers retraced ancestral "diapsid" reptile genome patterns from extant bird and reptile genomes.

And Aren't Vulcan

A phylogenetic analysis of green-blooded lizards find the trait likely arose more than once, Reuters reports.

A multi-region analysis of colorectal cancers suggests samples from opposite sides of a tumor can help trace early, invasiveness-related tumor characteristics.

This Week in Science

In Science this week: new donkey genome assembly, visualization of the herpes simplex virus, and more.

Sequencing has helped clarify the baleen whale family tree, though the researchers tell the New York Times it's more of a phylogenetic network.

Using haplotype profiling, phylogenetics, and other analyses, researchers retraced sickle allele emergence to a single event occurring roughly 7,300 years ago.

Researchers discovered thousands of candidate functional elements by searching diverse mammalian genomes for regions of accelerated evolution within highly conserved sites.

Tasmanian tiger/thylacine/Tasmanian wolf

A genomic analysis of the Tasmanian tiger pointed to early genetic diversity declines in the species, while offering clues to convergent canid features.

This Week in PNAS

In PNAS this week: effector proteins contributing to Legionnaires' disease virulence, proteomic analysis of transition to quiescence, and more.

Batang Toru orangutan

Using genome sequencing, phylogenomics, morphological analyses, and more, investigators defined a rare new orangutan species dubbed Pongo tapanuliensis.

Pages

US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

Bloomberg reports that Brainstorm Cell Therapeutics plans to offer a treatment it is developing under the "right to try" law for hundreds of thousands of dollars.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.