Tetrodotoxin Resistance in Garter Snakes

Percent reduction in crawl speed (resistance) in the garter snake after injection of the neurotoxin tetrodotoxin from the rough-skinned newt (Taricha granulosa).

Usage

Newts

Format

A data frame with 12 observations on the following 2 variables.

locality

a factor with levels: Benton and Warrenton

resistance

a numeric vector

Source

Geffeney, S., E.D. Brodie, Jr., P.C. Ruben, and E.D. Brodie III. 2002. Mechanisms of adaptation in a predator-prey arms race: TTX-resistant sodium channels. Science 297: 1336-1339.

References

http://www.sciencemag.org/cgi/content/abstract/297/5585/1336

Examples

Newts
#>     locality resistance
#> 1     Benton       0.29
#> 2     Benton       0.77
#> 3     Benton       0.96
#> 4     Benton       0.64
#> 5     Benton       0.70
#> 6     Benton       0.99
#> 7     Benton       0.34
#> 8  Warrenton       0.17
#> 9  Warrenton       0.28
#> 10 Warrenton       0.20
#> 11 Warrenton       0.20
#> 12 Warrenton       0.37