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Investigation of FOXA2, GATA4 and OCT4 binding across several cell types provides insights into the genetic determinants and epigenetic effects of pioneer-factor occupancy. The data suggest that FOXA2 samples most of its potential binding sites but is stabilized at only a subset of targets.
The authors analyze time-resolved changes in genome topology, gene expression, transcription-factor binding, and chromatin state during iPSC generation. They conclude that 3D genome reorganization generally precedes gene expression changes and that removal of locus-specific topological barriers explains why pluripotency genes are activated sequentially during reprogramming.
Inactivation of pyruvate dehydrogenase A1 (PDHA1), a subunit of the pyruvate dehydrogenase complex (PDC) regulating mitochondrial metabolism, inhibits lipid biosynthesis and prostate cancer development in mouse and human xenograft tumor models.
Reconstructing the genome of an ancestor: 788 Icelanders are descended from a man who arrived there in 1802. 38% of his African mother’s genome has now been reconstructed from their pedigree and the genomes and genotypes of current Icelanders up to 8 generations later.
This study shows that inactivation of Pml in the mouse prostate turns indolent Pten-null tumors into lethal metastatic disease. The authors identify an aberrant SREBP prometastatic lipogenic program and show that a high-fat diet induces lipid accumulation in prostate tumors and is sufficient to drive metastasis.
A pan-genome dataset of the Oryza sativa–Oryza rufipogon species complex generated through deep sequencing and de novo genome assembly of 66 divergent accessions will be helpful in pinpointing new causal variants underlying complex traits and in promoting evolutionary and functional studies in rice.
MTAG is a new method for joint analysis of summary statistics from genome-wide association studies of different traits. Applying MTAG to summary statistics for depressive symptoms, neuroticism and subjective well-being increased discovery of associated loci as compared to single-trait analyses.