Sinodiaptomus sarsi is found for the second time in Ukraine, three artificial lakes of one capital Kyiv city`s park, Nyvky, after its first record Carpathian Mountain region near Slovakian border 2016 by Dr. Mykitchak. Our morphological study showed similarity between specimens S. with existing illustrations and descriptions Asian population this species. The most likely route penetration human...

An interesting α-amylase has been obtained in large quantity (2400 U/g of body weight) with specific activity (20.22 U/g protein) from a freshwater zooplankton, Heliodiaptomus viduus (Gurney). Partially purified enzyme showed activity up to 70 oC and demonstrated optimum activity at 30 oC. The enzyme was active between pH 3.5 and 8.5, with maximum activity at pH 6.0. It retained its full activi...

Zooplankton may be subjected to physiological stress as they encounter rapid and large changes in temperature through vertical migration or transfer into different water masses. Induction of one or more heat shock proteins (hsp) is a common protective response to thermal stress in organisms. We looked for evidence for such a response in Calanus finmarchicus. We compared hsp70 expression in cope...