Abstract
We demonstrate that the binding sites for highly conserved transcription factors vary extensively between human and mouse. We mapped the binding of four tissue-specific transcription factors (FOXA2, HNF1A, HNF4A and HNF6) to 4,000 orthologous gene pairs in hepatocytes purified from human and mouse livers. Despite the conserved function of these factors, from 41% to 89% of their binding events seem to be species specific. When the same protein binds the promoters of orthologous genes, approximately two-thirds of the binding sites do not align.
MeSH Terms
Animals
Conserved Sequence/genetics
Gene Expression Regulation
Genetic Variation
Hepatocyte Nuclear Factor 1-alpha/genetics
Hepatocyte Nuclear Factor 3-beta/genetics
Hepatocyte Nuclear Factor 4/genetics
Hepatocyte Nuclear Factor 6/genetics
Humans
Mice
Regulatory Sequences, Nucleic Acid
Sequence Homology
Transcription Factors/genetics
Transcription, Genetic
Chemicals
FOXA2 protein, human
Foxa2 protein, mouse
HNF1A protein, human
HNF4A protein, human
Hepatocyte Nuclear Factor 1-alpha
Hepatocyte Nuclear Factor 4
Hepatocyte Nuclear Factor 6
Hnf1a protein, mouse
Hnf4a protein, mouse
Transcription Factors
Hepatocyte Nuclear Factor 3-beta
Authors & Affiliations
10 authors, click to expand affiliations / ORCID
Odom Duncan T
Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA.
Dowell Robin D
Jacobsen Elizabeth S
Gordon William
Danford Timothy W
MacIsaac Kenzie D
Rolfe P Alexander
Conboy Caitlin M
Gifford David K
Fraenkel Ernest
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