Acta Biologica Hungarica

, Volume 54, Issue 3–4, pp 323–334 | Cite as

Identification and Induction of hsp70 Gene by Heat Shock and Cadmium Exposure in Carp

  • K. Said Ali
  • L. Dorgai
  • Anett Gazdag
  • Magdolna Ábrahám
  • Edit HermeszEmail author


A member of the multi-gene family, encoding 70 kD stress proteins, was identified from the common carp (Cyprinus carpio). Homologies, observed at both nucleic acid and amino acid levels, and also the intronless structure of this gene, strongly suggest that it corresponds to a heat-inducible hsp70 gene in carp. Gene-specific primers were selected and used in RT-PCR reactions to measure the basal hsp70 mRNA levels and to follow the inducer-specific expression of this gene in different tissues during in vivo studies. Carp hsp70 mRNA is not detectable in the brain and muscle, and its concentration is around the limit of detection in the kidney and liver of unstressed animals. The expression of hsp70 is induced by elevated temperature and it responds to Cd treatment in a tissue and time-dependent manner.


Cadmium fish heat shock hsp70 expression liver muscle 


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© Akadémiai Kiadó, Budapest 2003

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • K. Said Ali
    • 1
  • L. Dorgai
    • 2
  • Anett Gazdag
    • 1
  • Magdolna Ábrahám
    • 1
  • Edit Hermesz
    • 1
    Email author
  1. 1.Department of Biochemistry, Faculty of SciencesUniversity of SzegedSzegedHungary
  2. 2.Bay Zoltan Foundation for Applied ResearchInstitute for BiotechnologySzegedHungary

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