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Defining functional DNA elements in the human genome

Open access
Kellis, Manolis, Wold, Barbara, Snyder, Michael P., Bernstein, Bradley E., Kundaje, Anshul, Marinov, Georgi K., Ward, Lucas D., Birney, Ewan, Crawford, Gregory E., Dekker, Job, Dunham, Ian, Elnitski, Laura L., Farnham, Peggy J., Feingold, Elise A., Gerstein, Mark, Giddings, Morgan C., Gilbert, David M., Gingeras, Thomas R., Green, Eric D., Guigo, Roderic, Hubbard, Tim, Kent, Jim, Lieb, Jason D., Myers, Richard M., Pazin, Michael J., Ren, Bing, Stamatoyannopoulos, John A., Weng, Zhiping, White, Kevin P., Hardison, Ross C.·2014·Proceedings of the National Academy of Sciences

Abstract

With the completion of the human genome sequence, attention turned to identifying and annotating its functional DNA elements. As a complement to genetic and comparative genomics approaches, the Encyclopedia of DNA Elements Project was launched to contribute maps of RNA transcripts, transcriptional regulator binding sites, and chromatin states in many cell types. The resulting genome-wide data reveal sites of biochemical activity with high positional resolution and cell type specificity that facilitate studies of gene regulation and interpretation of noncoding variants associated with human disease. However, the biochemically active regions cover a much larger fraction of the genome than do evolutionarily conserved regions, raising the question of whether nonconserved but biochemically active regions are truly functional. Here, we review the strengths and limitations of biochemical, evolutionary, and genetic approaches for defining functional DNA segments, potential sources for the observed differences in estimated genomic coverage, and the biological implications of these discrepancies. We also analyze the relationship between signal intensity, genomic coverage, and evolutionary conservation. Our results reinforce the principle that each approach provides complementary information and that we need to use combinations of all three to elucidate genome function in human biology and disease.

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Metadata

Authors
Kellis, M., Wold, B., Snyder, M. P., Bernstein, B. E., Kundaje, A., Marinov, G. K., Ward, L. D., Birney, E., Crawford, G. E., Dekker, J., Dunham, I., Elnitski, L. L., Farnham, P. J., Feingold, E. A., Gerstein, M., Giddings, M. C., Gilbert, D. M., Gingeras, T. R., Green, E. D., Guigo, R., Hubbard, T., Kent, J., Lieb, J. D., Myers, R. M., Pazin, M. J., Ren, B., Stamatoyannopoulos, J. A., Weng, Z., White, K. P., & Hardison, R. C.
Venue
Proceedings of the National Academy of Sciences
Published
2014-04-21
Volume
111
Issue
17
Pages
6131-6138
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2007203150
Cited by
696
References
26
FWCI
35.65
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Defining functional DNA elements in the human genome. https://app.cochat.ai/papers/10.1073/pnas.1318948111
The paper
Kellis, M., Wold, B., Snyder, M. P., Bernstein, B. E., Kundaje, A., Marinov, G. K., Ward, L. D., Birney, E., Crawford, G. E., Dekker, J., Dunham, I., Elnitski, L. L., Farnham, P. J., Feingold, E. A., Gerstein, M., Giddings, M. C., Gilbert, D. M., Gingeras, T. R., Green, E. D., . . . Hardison, R. C. (2014). Defining functional DNA elements in the human genome. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1318948111

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