Do sigma factors need help with a meltdown?

Should heterogeneity be the basis for conservation? Grassland bird response to fire and grazing.

Reliable gene signatures for microarray classification: assessment of stability and performance.

Macrophage uptake of core-shell nanoparticles surface modified with poly(ethylene glycol).

A threshold of GATA4 and GATA6 expression is required for cardiovascular development.

Enlarged hepatocytes in NAFLD examined with osmium fixation: does microsteatosis underlie cellular ballooning in NASH?

PRISM/PRDM6, a transcriptional repressor that promotes the proliferative gene program in smooth muscle cells.

Accumulation of unstable promoter-associated transcripts upon loss of the nuclear exosome subunit Rrp6p in Saccharomyces cerevisiae.

Solute probes of conformational changes in open complex (RPo) formation by Escherichia coli RNA polymerase at the lambdaPR promoter: evidence for unmasking of the active site in the isomerization step and for large-scale coupled folding in the subsequent conversion to RPo.

Mutagenesis of Glycine 179 modulates both catalytic efficiency and reduced pyridine nucleotide specificity in cytochrome b5 reductase.