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Title: The Impact of Bacterial Diet on the Migration and Navigation of 'Caenorhabditis elegans'
Contributor(s): Rodger, S (author); Griffiths, B S (author); McNicol, J W (author); Wheatley, R W (author); Young, Iain  (author)
Publication Date: 2004
DOI: 10.1007/s00248-003-0201-1
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Abstract: Can diet have a significant impact on the ability of organisms to sense and locate food? Focusing on the bacterial feeder 'Caenorhabditis elegans', we investigated what effect preconditioning on a range of bacterial substrates had on the subsequent chemotaxis process involved in the nematode locating other bacterial populations. Remarkably, we found that 'C. elegans', initially fed on a diet of 'Escherichia coli' OP50, was significantly impaired in finding 'E. coli' OP50 populations, compared to other available bacterial populations (P < 0.001). We found similar results for another bacterial feeding nematode species, suggesting that a general "substrate legacy" may operate across a wide range of organisms. We discuss this important finding with respect to the variation in response exhibited within a given nematode population, and the impact nematode migration has on bacterial dispersal in the environment.
Publication Type: Journal Article
Source of Publication: Microbial Ecology, 48(3), p. 358-365
Publisher: Springer New York
Place of Publication: New York, USA
ISSN: 0095-3628
Field of Research (FOR): 050303 Soil Biology
050305 Soil Physics
060208 Terrestrial Ecology
050399 Soil Sciences not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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