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Title: Limb-Enhancer Genie: An accessible resource of accurate enhancer predictions in the developing limb

Journal Article · · PLoS Computational Biology (Online)
 [1]; ORCiD logo [2]; ORCiD logo [2];  [2];  [2];  [2];  [2];  [2];  [2];  [2]; ORCiD logo [3];  [2];  [4];  [1];  [5]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); USDOE Joint Genome Institute (JGI), Walnut Creek, CA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. ETH Zurich (Switzerland). Dept. of Biosystems Science and Engineering
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); USDOE Joint Genome Institute (JGI), Walnut Creek, CA (United States); Univ. of California, Merced, CA (United States). School of Natural Sciences
  5. Ottawa Univ., ON (Canada)

Epigenomic mapping of enhancer-associated chromatin modifications facilitates the genome-wide discovery of tissue-specific enhancers in vivo. However, reliance on single chromatin marks leads to high rates of false-positive predictions. More sophisticated, integrative methods have been described, but commonly suffer from limited accessibility to the resulting predictions and reduced biological interpretability. Here we present the Limb-Enhancer Genie (LEG), a collection of highly accurate, genome-wide predictions of enhancers in the developing limb, available through a user-friendly online interface. We predict limb enhancers using a combination of > 50 published limb-specific datasets and clusters of evolutionarily conserved transcription factor binding sites, taking advantage of the patterns observed at previously in vivo validated elements. By combining different statistical models, our approach outperforms current state-of-the-art methods and provides interpretable measures of feature importance. Our results indicate that including a previously unappreciated score that quantifies tissue-specific nuclease accessibility significantly improves prediction performance. We demonstrate the utility of our approach through in vivo validation of newly predicted elements. Moreover, we describe general features that can guide the type of datasets to include when predicting tissue-specific enhancers genome-wide, while providing an accessible resource to the general biological community and facilitating the functional interpretation of genetic studies of limb malformations.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1408453
Journal Information:
PLoS Computational Biology (Online), Vol. 13, Issue 8; ISSN 1553-7358
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

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Cited By (4)

Similarities and differences in the regulation of HoxD genes during chick and mouse limb development journal November 2018
Phenotype loss is associated with widespread divergence of the gene regulatory landscape in evolution journal November 2018
Differential analysis of chromatin accessibility and histone modifications for predicting mouse developmental enhancers journal August 2018
Disrupting the three-dimensional regulatory topology of the Pitx1 locus results in overtly normal development journal March 2018