Inland Water Biology

, Volume 12, Issue 1, pp 104–108 | Cite as

Sensitivity of Digestive Glycosidases to Heavy Metals in Roach Rutilus rutilus (L.) Yearlings: The Consequences of Hypogeomagnetic Conditions During Early Ontogenesis

  • I. L. GolovanovaEmail author
  • A. A. Filippov
  • V. V. Krylov


The effect of exposure to hypogeomagnetic conditions (HMCs) during roach Rutilus rutilus (L.) early development (embryos and prelarvae) on the activity of digestive glycosidase (maltase and amylolytic activity) and the in vitro sensitivity of the digestive glycosidase to ions of heavy metals (Cu2+, Zn2+, Cu2+ + Zn2+, Pb2+, Cd2+, and Pb2+ + Cd2+) in yearlings have been studied. The sensitivity of starch-hydrolyzing enzymes to all studied metals (at a concentration of 25 mg/L) and the sensitivity of maltase to Zn2+ and Pb2+ have increased in the fish preexposed to HMCs at stages of embryos or prelarvae. The sensitivity of maltase to Cd2+ and Pb2+ + Cd2+ has increased in the fish preexposed to HMCs only as embryos. The combined effects of Cu2+ and Zn2+ (1 : 1) or Pb2+ + Cd2+ (1 : 1) on the activity of intestinal glycosidases in the fish exposed to HMCs are less pronounced than the sum effects observed in separate tests with these ions.


roach digestive glycosidases hypomagnetic conditions heavy metals Cu Zn Pb Cd 



This study was performed in the framework of the state task no. AAAA-A18-118012690102-9.


Conflict of interests. The authors declare that they have no conflict of interest.

Statement on the welfare of animals. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • I. L. Golovanova
    • 1
    Email author
  • A. A. Filippov
    • 1
  • V. V. Krylov
    • 1
  1. 1.Papanin Institute for Biology of Inland Waters, Russian Academy of SciencesBorokRussia

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