"Orthonectida is a group of parasitic creatures that was discovered long ago—in 1877. However, their position in the animal system until recently remained a mystery," said George Slyusarev, Professor ...
New and comprehensive molecular research confirms a deep evolutionary division among animals. This new tree of life divides all so-called "lower" metazoans (Placozoa, corals, sponges, and jellyfish) ...
(PhysOrg.com) -- Oxygen may not be the staple of modern complex life that scientists once thought. Until now, the only life forms known to live exclusively in anoxic conditions were viruses, bacteria ...
Most genes involved in complex processes are present in sponges, new research shows. Sponges or Porifera -- there are over 8,000 species currently recognised -- are the most basal phylum of metazoans.
The history of the first animal life remains somewhat confused. Ediacaran fossils are clearly multicellular, but lack many of the features shared by all modern animals. In the ensuing period, the ...
The Paper T. Omotezako et al., “DNA interference: DNA-induced gene silencing in the appendicularian Oikopleura dioica,” Proc R Soc B, 282:20150435, 2015. Accidental discovery Scientists often exploit ...
To reconstruct the evolutionary origin of multicellular animals from their unicellular ancestors, the genome sequences of diverse unicellular relatives are essential. However, only the genome of the ...
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