Title: Measurement and comparison of miniature end plate currents between notothenioid Antarctic fish species
Description:
Abstract:
To determine if cold-adaptation of neuromuscular ion currents, as reported for Mini End Plate Currents (MEPCs) of one Antarctic fish species, Pagothenia borchgrevinki is a widespread feature of ther Antarctic fishes was investigated by making MEPC recordings from other common red blooded Antarctic fish including Trematomus bernacchii, T. pennellii, T. hansoni and P.borchgrevinki (for comparisons with earlier results). MEPCs were recorded over a temperature range of 15°C to -2°C from extraocular muscles. Similar recordings of MEPCs were made from extraocular muscle of 5 specimens of the white blooded icefish Chionodraco hamatus. 1570 MEPCs were recorded over a temperature range of -2.5°C to 11°C. Comparisons were made between red and white blooded species.
Purpose:
Not Available
Supplemental_Information:
REFERENCE:
Cox, S.L. 2000. An evaluation of fish synaptic currents as measures of temperature adaptation. MSc thesis, University of Auckland, New Zealand
Supplemental_Information:
REFERENCE:
Cox, S.L. Macdonald, J.A Temperature compensation of postsynaptic currents from the extraocular muscle of temperate teleost fishes. Journal of comparative physiology A 187(3): 197-203, 2001.
Supplemental_Information:
REFERENCE:
Cox SL, Macdonald JA Temperature dependency of miniature end plate currents from the extraocular muscle of Antarctic teleost fishes. Polar Biology 31: 709-715. (2008)
