An entomopathogenic Caenorhabditis briggsae
| Autor: | Krystalynne Morris, Miriam Jumba, Eyualem Abebe, Kaitlin Bonner, Vince Gray, W. Kelley Thomas |
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| Rok vydání: | 2010 |
| Předmět: |
Caenorhabditis briggsae
Insecta Serratia Physiology Ecology (disciplines) ved/biology.organism_classification_rank.species Context (language use) Aquatic Science Genome Animals Model organism Molecular Biology Ecology Evolution Behavior and Systematics Caenorhabditis elegans Phylogeny biology Ecology ved/biology biology.organism_classification Caenorhabditis Evolutionary biology Insect Science Animal Science and Zoology Functional genomics |
| Zdroj: | The Journal of experimental biology. 213(Pt 18) |
| ISSN: | 1477-9145 |
| Popis: | SUMMARY Caenorhabditis elegans is a premier model organism upon which considerable knowledge of basic cell and developmental biology has been built. Yet, as is true for many traditional model systems, we have limited knowledge of the ecological context in which these systems evolved, severely limiting our understanding of gene function. A better grasp of the ecology of model systems would help us immensely in understanding the functionality of genes and evolution of genomes in an environmental context. Consequently, there are ongoing efforts to uncover natural populations of this model system globally. Here, we describe the discovery of a Caenorhabditis briggsae strain and its bacterial associate (Serratia sp.) that form an entomopathogenic complex in the wild. Laboratory experiments confirm that this nematode and its natural bacterial associate can penetrate, kill and reproduce in an insect host and that the bacterial associate can induce this insect pathogenic life cycle in other Caenorhabditis species, including C. elegans. Our findings suggest that this life history may be widespread in nature and critical to the understanding of the biology of this important model organism. Caenorhabditis–insect interaction could be a key factor in our quest for a better grasp of gene functionality in this important model species. The discovered association, consequently, would provide an ecological framework for functional genomics of Caenorhabditis. |
| Databáze: | OpenAIRE |
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