An ancient yet flexible cis-regulatory architecture allows localized Hedgehog tuning by patched/Ptch1
The Hedgehog signaling pathway is part of the ancient developmental-evolutionary animal toolkit. Frequently co-opted to pattern new structures, the pathway is conserved among eumetazoans yet flexible and pleiotropic in its effects. The Hedgehog receptor, Patched, is transcriptionally activated by Hedgehog, providing essential negative feedback in all tissues. Our locus-wide dissections of the cis-regulatory landscapes of fly patched and mouse Ptch1 reveal abundant, diverse enhancers with stage- and tissue-specific expression patterns. The seemingly simple, constitutive Hedgehog response of patched/Ptch1 is driven by a complex regulatory architecture, with batteries of context-specific enhancers engaged in promoter-specific interactions to tune signaling individually in each tissue, without disturbing patterning elsewhere. This structure-one of the oldest cis-regulatory features discovered in animal genomes-explains how patched/Ptch1 can drive dramatic adaptations in animal morphology while maintaining its essential core function. It may also suggest a general model for the evolutionary flexibility of conserved regulators and pathways.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:5 |
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| Enthalten in: |
eLife - 5(2016) vom: 05. Mai |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lorberbaum, David S [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 03.11.2017 Date Revised 13.11.2018 published: Electronic Citation Status MEDLINE |
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| doi: |
10.7554/eLife.13550 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM260040681 |
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| 100 | 1 | |a Lorberbaum, David S |e verfasserin |4 aut | |
| 245 | 1 | 3 | |a An ancient yet flexible cis-regulatory architecture allows localized Hedgehog tuning by patched/Ptch1 |
| 264 | 1 | |c 2016 | |
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| 500 | |a Date Completed 03.11.2017 | ||
| 500 | |a Date Revised 13.11.2018 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a The Hedgehog signaling pathway is part of the ancient developmental-evolutionary animal toolkit. Frequently co-opted to pattern new structures, the pathway is conserved among eumetazoans yet flexible and pleiotropic in its effects. The Hedgehog receptor, Patched, is transcriptionally activated by Hedgehog, providing essential negative feedback in all tissues. Our locus-wide dissections of the cis-regulatory landscapes of fly patched and mouse Ptch1 reveal abundant, diverse enhancers with stage- and tissue-specific expression patterns. The seemingly simple, constitutive Hedgehog response of patched/Ptch1 is driven by a complex regulatory architecture, with batteries of context-specific enhancers engaged in promoter-specific interactions to tune signaling individually in each tissue, without disturbing patterning elsewhere. This structure-one of the oldest cis-regulatory features discovered in animal genomes-explains how patched/Ptch1 can drive dramatic adaptations in animal morphology while maintaining its essential core function. It may also suggest a general model for the evolutionary flexibility of conserved regulators and pathways | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, N.I.H., Intramural | |
| 650 | 4 | |a D. melanogaster | |
| 650 | 4 | |a Hedgehog signaling | |
| 650 | 4 | |a cis-regulatory elements | |
| 650 | 4 | |a development | |
| 650 | 4 | |a developmental biology | |
| 650 | 4 | |a evolution of development (evo-devo) | |
| 650 | 4 | |a evolutionary biology | |
| 650 | 4 | |a gene regulation | |
| 650 | 4 | |a genomics | |
| 650 | 4 | |a mouse | |
| 650 | 4 | |a stem cells | |
| 650 | 4 | |a transcriptional regulation | |
| 650 | 7 | |a Hedgehog Proteins |2 NLM | |
| 650 | 7 | |a Patched-1 Receptor |2 NLM | |
| 650 | 7 | |a Ptch1 protein, mouse |2 NLM | |
| 700 | 1 | |a Ramos, Andrea I |e verfasserin |4 aut | |
| 700 | 1 | |a Peterson, Kevin A |e verfasserin |4 aut | |
| 700 | 1 | |a Carpenter, Brandon S |e verfasserin |4 aut | |
| 700 | 1 | |a Parker, David S |e verfasserin |4 aut | |
| 700 | 1 | |a De, Sandip |e verfasserin |4 aut | |
| 700 | 1 | |a Hillers, Lauren E |e verfasserin |4 aut | |
| 700 | 1 | |a Blake, Victoria M |e verfasserin |4 aut | |
| 700 | 1 | |a Nishi, Yuichi |e verfasserin |4 aut | |
| 700 | 1 | |a McFarlane, Matthew R |e verfasserin |4 aut | |
| 700 | 1 | |a Chiang, Ason Cy |e verfasserin |4 aut | |
| 700 | 1 | |a Kassis, Judith A |e verfasserin |4 aut | |
| 700 | 1 | |a Allen, Benjamin L |e verfasserin |4 aut | |
| 700 | 1 | |a McMahon, Andrew P |e verfasserin |4 aut | |
| 700 | 1 | |a Barolo, Scott |e verfasserin |4 aut | |
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