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Spongilla Noveau est arrivée ...

On a sunny February 26, some strollers on a promenade at Lake Constance wondered about a lonely snorker working at the pilars of a landing pier assisted by a landbased person. Michael opened the snorkeling season at enjoyable water/air temperatures of 4°C. Not just for fun - even though in a good diving suit it was easy going for more than 30 min. The whole operation well paid off. Michael was able to collect Spongilla lacustris gemmules which will be enough for the next 12 months of intense work, including collaborative studies with Gert Wörheide in Munich. Thanks to Ralf Boss who kindely provided on-site information and assitance and to Birgit Nickel for pier assistance in the cold wind ...

 
Functional anatomy, comparative morphology and physiology of basal metazoa


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Welcome to the porifera.net lab of Dr Michael Nickel. We mainly explore the functional anatomy and physiology of sponges (Porifera), within a broader comparative context of the basal metazoan phylogenetic framework. The lab is part of the Institut für Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum at Friedrich-Schiller-Universität Jena since October 2007.

 

If you want to know where we are, have a look on this Google Map.

 

Lab members (summer 2010):

Front row (left to right): Michael Nickel, Christopher Arnold,
Patty the dog, Conny Heer, Corina Scheer, Benjamin Weiss.
Top row (left to right): Jörg Hammel, Florian Wolf

Read more about the lab members ...

 

porifera.net lab members summer 2010

Latest News:

 
KO of sponge genes
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In our latest publication we report a methodological breakthrough for sponge science and experimental evolutionary research in general. In a collaboration with the groups of April Hil (Richmont University, USA), Dennis Lavrov (University of Iowa, Ames, USA) and Gert Wörheide (LMU, München, Germany), we demonstrated the actin gene knockdown by RNAi in two upcoming model demosponge species: our 'pet', the marine species Tethya wilhelma (which was described 10 years ago - Happy birthday T.w. Wink) as well as the freshwater species Ephydatia muelleri. Knockdown of the genes was not an easy task. However, the 'classic' RNAi technique of feeding dsRNA expressing bacteria did the job. Our next targets will be genes involved in contractility (who would have guessed this after all our previous research ...)

More about the whole story in the original publication:
Rivera, A, Hammel, JU, Haen, KM, Danka, E, Cieniewicz, B, Winters, I, Posfai, Dora, Worheide, G, Lavrov, DV, Knight, S, Hill, M, Hill, A and Nickel, M (2011), "RNA interference in marine and freshwater sponges: actin knockdown in Tethya wilhelma and Ephydatia muelleri by ingested dsRNA expressing bacteria", BMC Biotechnology, 11, 1: 67.

See also:
Press release of Friedrich-Schiller-Universität Jena (in German).

 
Article Nickel et al. (2011) featured in Inside JEB

A colony of Tethya wilhelma in our aquarium Our latest article (Nickel et al. 2011, J. Exp. Biol 214,1692-1698) is featured in an editorial article inthe section Inside JEB of the Journal of Experimental Biology 214. Read this article here ...

The original article is Nickel, M, Scheer, C, Hammel, JU, Herzen, J and Beckmann, F (2011), "The contractile sponge epithelium sensu lato – body contraction of the demosponge Tethya wilhelma is mediated by the pinacoderm ", Journal of Experimental Biology, 214: 1692-1698.

 
Latest Articles

Our Latest Articles are:Cover of CRC Press book

 
SpongeTube online

We recently started SpongeTube - the porifera.net video gallery. Here you find a selection of the most interesting of our time-lapse and 3D rendering videos. Currently. A selection of ten videos is online which comprises material which was published before as supplementary material with some of our papers but also previously unpublished movies. The copyright retains with the movie authors, but please feel free to use the movies for teaching purpose.

http://spongetube.porifera.net

 
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