ArticleProceedings of the National Academy of Sciences of the United States of America2000
Distinct hox protein sequences determine specificity in different tissues.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 35 citations in OpenAlex.
- Patterns of Conservation and Loss of Hox Genes in Xenacoelomorph Lineage Since Divergence From Last Common Bilaterian Ancestor.Genome biology and evolution · 2026Article
- Diversification and Functional Evolution of HOX Proteins.Frontiers in cell and developmental biology · 2022Review
- Clustered brachiopod Hox genes are not expressed collinearly and are associated with lophotrochozoan novelties.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Drosophila melanogaster Hox transcription factors access the RNA polymerase II machinery through direct homeodomain binding to a conserved motif of mediator subunit Med19.PLoS genetics · 2014Article
- Insights into Hox protein function from a large scale combinatorial analysis of protein domains.PLoS genetics · 2011Article
- Article
- Coordinated spatial and temporal expression of Hox genes during embryogenesis in the acoel Convolutriloba longifissura.BMC biology · 2009Article
- Internal regulatory interactions determine DNA binding specificity by a Hox transcription factor.Journal of molecular biology · 2009Article
- Functional specificity of a Hox protein mediated by the recognition of minor groove structure.Cell · 2007Article
- A green fluorescent protein reporter genetic screen that identifies modifiers of Hox gene function in the Drosophila embryo.Genetics · 2002Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Hox genes encode evolutionarily conserved transcription factors that control the morphological diversification along the anteroposterior (A/P) body axis. Expressed in precise locations in the ectoderm, mesoderm, and endoderm, Hox proteins have distinct regulatory activities in different tissues. How Hox proteins achieve tissue-specific functions and why cells lying at equivalent A/P positions but in different germ layers have distinctive responses to the same Hox protein remains to be determined. Here, we examine this question by identifying parts of Hox proteins necessary for Hox function in different tissues. Available genetic markers allow the regulatory effects of two Hox proteins, Abdominal-A (AbdA) and Ultrabithorax (Ubx), to be distinguished in the Drosophila embryonic epidermis and visceral mesoderm (VM). Chimeric Ubx/AbdA proteins were tested in both tissues and used to identify protein sequences that endow AbdA with a different target gene specificity from Ubx. We found that distinct protein sequences define AbdA, as opposed to Ubx, function in the epidermis vs. the VM. These sequences lie mostly outside the homeodomain (HD), emphasizing the importance of non-HD residues for specific Hox activities. Hox tissue specificity is therefore achieved by sensing distinct Hox protein structures in different tissues.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.