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EMBL Taxonomy:

Arendt Group

Year
25 January 2024 An oval light blue shape. In the central part, there is a smaller a red object, from which stem many highly branched smaller canals that cover a significant part of the blue surface. The whole sponge image is in placed in a circle. The background around the circle is blue-green.

Ancient ‘relaxant-inflammatory’ response gets sponges moving

Science & Technology Sponges lack muscles and neurons. Yet, they make coordinated movements. Scientists at EMBL Heidelberg have discovered that sponge movement is controlled by an ancient ‘relaxant-inflammatory’ response that is also present in vertebrate blood vessels. The findings shed light on sponge physiology…

2024

sciencescience-technology

5 November 2021 Three-dimensional rendering of sponge neuroid cells (coloured orange) and sponge digestive cells (coloured green).

More than a gut reaction

Science & Technology What can sponges tell us about the evolution of the brain? Sponges have the genes involved in neuronal function in higher animals. But if sponges don’t have brains, what is the role of these? EMBL scientists imaged the sponge digestive chamber to find out.

2021

sciencescience-technology

5 October 2021 Illustration of a globe with colourful shapes and symbols superimposed.

A cellular atlas of an entire worm

Science & Technology EMBL scientists and colleagues have developed an interactive atlas of the entire marine worm Platynereis dumerilii in its larval stage. The PlatyBrowser resource combines high-resolution gene expression data with volume electron microscopy images.

2021

sciencescience-technology

3 June 2021 Illustration of a rocky coastline with sailing boat, mountains, underwater organisms, bridge and factory in the background.

Living laboratories

Science & Technology Under the innovative Planetary Biology research theme, EMBL scientists aim to understand life in the context of its environment.

2021

sciencescience-technology

2 September 2010 A virtual Platynereis brain (left), created by averaging microscopy images of the brains of 36 different individuals, onto which scientists mapped gene activity (right). Perspective shows the brain as viewed from inside a Platynereis larvae, at 48 hours' old. Image credits: EMBL/R. Tomer

Brainy worms: Evolution of the cerebral cortex

Science & Technology Our cerebral cortex, or pallium, is a big part of what makes us human: art, literature and science would not exist had this most fascinating part of our brain not emerged in some less intelligent ancestor in prehistoric times. But when did this occur and what were these ancestors? Unexpectedly,…

2010

sciencescience-technology

31 January 2010

MicroRNA: a glimpse into the past

Science & Technology The last ancestor we shared with worms, which roamed the seas around 600 million years ago, may already have had a sophisticated brain that released hormones into the blood and was connected to various sensory organs. The evidence comes not from a newly found fossil but from the study of microRNAs…

2010

sciencescience-technology

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