Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans

Gilarte P, Kreuzinger-Janik B, Majdi N, Traunspurger W (2015)
PLoS ONE 10(8): e0134105.

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The nematode Pristionchus pacificus is of growing interest as a model organism in evolutionary biology. However, despite multiple studies of its genetics, developmental cues, and ecology, the basic life-history traits (LHTs) of P. pacificus remain unknown. In this study, we used the hanging drop method to follow P. pacificus at the individual level and thereby quantify its LHTs. This approach allowed direct comparisons with the LHTs of Caenorhabditis elegans recently determined using this method. When provided with 5×109 Escherichia coli cells ml–1 at 20°C, the intrinsic rate of natural increase of P. pacificus was 1.125 (individually, per day); mean net production was 115 juveniles produced during the life-time of each individual, and each nematode laid an average of 270 eggs (both fertile and unfertile). The mean age of P. pacificus individuals at first reproduction was 65 h, and the average life span was 22 days. The life cycle of P. pacificus is therefore slightly longer than that of C. elegans, with a longer average life span and hatching time and the production of fewer progeny.
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Article Processing Charge funded by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University.
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Gilarte P, Kreuzinger-Janik B, Majdi N, Traunspurger W. Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans. PLoS ONE. 2015;10(8): e0134105.
Gilarte, P., Kreuzinger-Janik, B., Majdi, N., & Traunspurger, W. (2015). Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans. PLoS ONE, 10(8): e0134105.
Gilarte, P., Kreuzinger-Janik, B., Majdi, N., and Traunspurger, W. (2015). Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans. PLoS ONE 10:e0134105.
Gilarte, P., et al., 2015. Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans. PLoS ONE, 10(8): e0134105.
P. Gilarte, et al., “Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans”, PLoS ONE, vol. 10, 2015, : e0134105.
Gilarte, P., Kreuzinger-Janik, B., Majdi, N., Traunspurger, W.: Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans. PLoS ONE. 10, : e0134105 (2015).
Gilarte, Patricia, Kreuzinger-Janik, Bianca, Majdi, Nabil, and Traunspurger, Walter. “Life-History Traits of the Model Organism Pristionchus pacificus Recorded Using the Hanging Drop Method: Comparison with Caenorhabditis elegans”. PLoS ONE 10.8 (2015): e0134105.
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A host beetle pheromone regulates development and behavior in the nematode Pristionchus pacificus
AUTHOR UNKNOWN, 2014
Thermal adaptation of entomopathogenic nematodes: niche breadth for infection, establishment, and reproduction
AUTHOR UNKNOWN, 1994

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