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Innate Immune Homeostasis by the Homeobox Gene Caudal and Commensal-Gut Mutualism in Drosophila
Open accessAbstract
Although commensalism with gut microbiota exists in all metazoans, the host factors that maintain this homeostatic relationship remain largely unknown. We show that the intestinal homeobox gene Caudal regulates the commensal-gut mutualism by repressing nuclear factor kappa B–dependent antimicrobial peptide genes. Inhibition of Caudal expression in flies via RNA interference led to overexpression of antimicrobial peptides, which in turn altered the commensal population within the intestine. In particular, the dominance of one gut microbe, Gluconobacter sp. strain EW707, eventually led to gut cell apoptosis and host mortality. However, restoration of a healthy microbiota community and normal host survival in the Caudal-RNAi flies was achieved by reintroduction of the Caudal gene. These results reveal that a specific genetic deficiency within a host can profoundly influence the gut commensal microbial community and host physiology.
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An obesity-associated gut microbiome with increased capacity for energy harvest
Turnbaugh, P. J., Ley, R. E., Mahowald, M. A., Magrini, V., Mardis, E. R., & Gordon, J. I. (2006) · Nature · doi:10.1038/nature05414 · Cited by 12,444
Host-Bacterial Mutualism in the Human Intestine
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Unravelling the pathogenesis of inflammatory bowel disease
Xavier, R. J., & Podolsky, D. K. (2007) · Nature · doi:10.1038/nature06005 · Cited by 4,364
Epithelial-cell-intrinsic IKK-β expression regulates intestinal immune homeostasis
Zaph, C., Troy, A. E., Taylor, B. C., Berman-Booty, L. D., Guild, K. J., Du, Y., Yost, E. A., Gruber, A. D., May, M. J., Greten, F. R., et al. (2007) · Nature · doi:10.1038/nature05590 · Cited by 496
Salzman, N. H., Underwood, M. A., & Bevins, C. L. (2007) · Seminars in Immunology · doi:10.1016/j.smim.2007.04.002 · Cited by 414
Cited by
Kaser, A., Zeissig, S., & Blumberg, R. S. (2010) · Annual Review of Immunology · doi:10.1146/annurev-immunol-030409-101225 · Cited by 1,806
Enteric defensins are essential regulators of intestinal microbial ecology
Salzman, N. H., Hung, K., Haribhai, D., Chu, H., Karlsson-Sjöberg, J., Amir, E., Teggatz, P., Barman, M., Hayward, M., Eastwood, D., et al. (2010) · Nature Immunology · doi:10.1038/ni.1825 · Cited by 1,156
Epithelial-cell recognition of commensal bacteria and maintenance of immune homeostasis in the gut
Artis, D. (2008) · Nature reviews. Immunology · doi:10.1038/nri2316 · Cited by 1,136
The human microbiome: Our second genome
Grice, E. A., & Segre, J. A. (2012) · Annual Review of Genomics and Human Genetics · doi:10.1146/annurev-genom-090711-163814 · Cited by 759
Gut microbiota–generated metabolites in animal health and disease
Lee, W.-J., & Hase, K. (2014) · Nature Chemical Biology · doi:10.1038/nchembio.1535 · Cited by 756
Self-citation
Metadata
- Authors
- Ryu, J.-H., Kim, S.-H., Lee, H.-Y., Bai, J. Y., Nam, Y.-D., Bae, J.-W., Lee, D. G., Shin, S. C., Ha, E.-M., & Lee, W.-J.
- Venue
- Science
- Published
- 2008-02-08
- Volume
- 319
- Issue
- 5864
- Pages
- 777-782
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2019703934
- Cited by
- 829
- References
- 5
- FWCI
- 16.63
- Type
- journal article
- Language
- en
- Open access
- green
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- Ryu, J.-H., Kim, S.-H., Lee, H.-Y., Bai, J. Y., Nam, Y.-D., Bae, J.-W., Lee, D. G., Shin, S. C., Ha, E.-M., & Lee, W.-J. (2008). Innate Immune Homeostasis by the Homeobox Gene Caudal and Commensal-Gut Mutualism in Drosophila. Science. https://doi.org/10.1126/science.1149357
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