A single-nucleotide I232T polymorphic change in FcγRIIB's transmembrane domain bends FcγRIIB's ectodomains toward cell membrane to allosterically hinder FcγRIIB's ligand association, providing novel molecular mechanism for functional loss of FcγRIIB-I232T.
Longstanding eco-evolutionary theories are tested using shotgun metagenomic data from the human gut microbiome, showing links between community diversity and the evolutionary trajectory of a focal species within the community.
For many bacterial species, recombination dominates genome evolution and phylogenetic patterns that have so far been assumed to reflect clonal relationships, in fact reflect variation in recombination rates across lineages.
Fine mapping of transposable element presence/absence variation amongst 216 Arabidopsis strains uncovers widespread novel genetic diversity that underlies differences in transcription and DNA methylation patterns.
Aaron Arvey, Joris van der Veeken ... Alexander Y Rudensky
There is limited epigenetic conservation of lineage-specific DNA elements in Treg cells, and genetic variation in Treg cell specific enhancers is associated with autoimmune disease.
A mouse model reveals that a p53 SNP impacts longevity via modulating the balance of cancer risk and the self-renewal function of stem/progenitor cells, which supports a role of p53 in regulation of longevity.
Methylated CpG sites are saturated for T mutations in a sample of 390K human exomes, providing a test case for inferences about fitness effects in human genes, and insight into the interpretation of mutations as pathogenic using reference datasets.