Two approaches were utilized to mine transcriptomic data from 179 metazoan species and 2 choanoflagellate
species for putative Hc genes in silico (Table A1).
Nitsche, "Four new Choanoflagellate
species from extreme saline environments: indication for isolation-driven speciation exemplified by highly adapted Craspedida from salt flats in the Atacama Desert (Northern Chile)," European Journal of Protistology, vol.
In the lab, Prehoda and other paper collaborators - including some at Berkeley and Wisconsin - studied choanoflagellate
, modern single- celled organisms that sometimes form colonies to pursue food.
Young et al., "The genome of the choanoflagellate
Monosiga brevicollis and the origin of metazoans," Nature, vol.
Cytoskeleton and membrane proteins, cellular organisers 1A11 4e-38 NP 990573 Low density lipoprotein Chicken 1B5 2e-49 CAF21863 Gelsolin Sponge 1D7 1e-108 U30467 Alpha-tubulin Spoon worm 1H7 3e-45 CAD91425 Actin related protein Oyster 2G1 2e-15 CAG07401 Low density lipoprotein * Pufferfish 15D9 2e-82 AY026071 Beta-tubulin Choanoflagellate
15D10 2e-43 AF510206 Beta-tubulin Ciliate AV.
Sollas (1884) considered sponges to be an independent group because they have a simple organization and sponge choanocytes bear a strong resemblance to choanoflagellate
The organisms forming these ice microbial communities include bacteria, choanoflagellate
protozoa and other heterotrophic flagellates, ciliates, and microalgae of most of the groups represented within the plankton.
Reading genomes Researchers publish the genomes for a choanoflagellate
(SN: 2/16/08, p.
Analysis of DNA from a choanoflagellate
, the closest known living nonanimal relative of animals, allows scientists to infer the genetic starter kit possessed by the first animal, the studies suggest.
One end of the choanoflagellate
cell is adorned with a long whip, or flagellum.
Nematostella also has a number of cadherin genes, which, like the choanoflagellate
genes, are most similar to the Flamingo, Fat, and protocadherin subfamilies (Fig.
The sponge choanocyte is said to be functionally identical to the choanoflagellate
cell (Riisgard and Larsen, 2000): the beat of the flagellum draws water toward and through a collar of microvilli (Van Trigt, 1919; Kilian, 1952; Riisgard and Larsen, 2001; Pettitt et al., 2002).