Related Experiment Video
Updated: Aug 15, 2026

Genotyping of Sea Anemone during Early Development
Published on: May 13, 2019
Maintenance of ancestral complexity and non-metazoan genes in two basal cnidarians
Ulrich Technau1, Stephen Rudd, Peter Maxwell
1Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgt 55, 5008 Bergen, Norway. ulrich.technau@sars.uib.no
Abstract:
Cnidarians are among the simplest extant animals; however EST analyses reveal that they have a remarkably high level of genetic complexity. In this article, we show that the full diversity of metazoan signaling pathways is represented in this phylum, as are antagonists previously known only in chordates. Many of the cnidarian ESTs match genes previously known only in non-animal kingdoms. At least some of these represent ancient genes lost by all bilaterians examined so far, rather than genes gained by recent lateral gene transfer.
More Related Videos
Related Concept Videos
Multi-species Conserved Sequences
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...
Non-nuclear Inheritance
Cis-regulatory Sequences
Phylogeny
Lampbrush Chromosomes
LBCs are made up of two pairs of conjugating homologous chromatids. Each chromatid consists of alternatively positioned regions of condensed-inactive chromatin and loosely placed-active side loops, which can be contracted and extended. The loops resemble the...
Export of Mitochondrial and Chloroplast Genes

