Mageveekäsna Ephydatia fluviatilis populatsiooni geneetiline analüüs
ITS1 region than in ITS2. The middle parts of both regions are of rDNA sequences even within a single cluster can vary in an
most conserved: 90% of sponges studied by Itskovic et al. [19] (16 enormous extent, from one repeat unit up to .140 repeats [26].
accessions of Spongillidae, Echinospongilla brichardi and 2 Lubo- In our study we observed the discrepancy of the results between
mirskiidae, Baikalospongia bacillifera and Lubomirskia baicalensis)) had experiments with one gemmule and/or five gemmules and from
120 nt conserved in the middle part of ITS2 and 145 nt in the those with the young sponges grown from about a thousand
middle part of ITS1. This conservancy may result from the gemmules. It is possible that different sequence variants can
functionality of these regions. The heterogeneities found for E