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Measurement and comparison of miniature end plate currents between notothenioid Antarctic fish species
Entry ID: K012_1998_2000_NZ_2

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Summary
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.
Geographic Coverage
Spatial coordinates   
  N: -77.85   S: -77.85   E: 166.75   W: 166.75

Temporal Coverage
Start Date: 1998-11-19
Stop Date: 1998-12-15

Start Date: 1999-12-02
Stop Date: 1999-12-16
ISO Topic Category
Data Set Progress
COMPLETE
Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand Supplemental Info
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand
Personnel
Role: INVESTIGATOR
Phone: +64 9 423 9387
Email: ja.macdonald at xtra.co.nz
Contact Address:
Omiha Farm
City: Wellsford
Postal Code: 0972
Country: NEW ZEALAND
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Publications/References
Cox, S.L. 2000. An evaluation of fish synaptic currents as measures of temperature adaptation. MSc thesis, University of Auckland, New Zealand
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Creation and Review Dates
DIF Creation Date: 2009-01-08
Last DIF Revision Date: 2009-01-12

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