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biology imaging notes

A beautiful nemertean

The ribbon worm Tubulanus #WormWednesday #Nemertea

The nemertean Tubulanus.
Adult specimen of the nemertean Tubulanus annulatus collected in Norway.
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biology notes

Understanding the evolution of cleavage patterns in early embryonic development

Video summary about our work on bryozoan development and the evolution of cleavage patterns published in BMC Biology!

The video was produced by Research Square. Also available on Vimeo.

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biology notes

Bryozoan cell lineage

What happens when cleavage patterns evolve? Some insights from bryozoan embryonic development: https://bmcbiol.biomedcentral.com/articles/10.1186/s12915-017-0371-9

Summary bryozoan cell lineage
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biology imaging notes

Bryozoan embryos viewed from the animal and vegetal poles

The first 24 hours in 1.5 minutes of bryozoan embryos.

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biology imaging notes

Embryonic cell division

At some point in our lives, we have all been through that (=embryonic cleavage).

Movie of a developing echinoderm embryo accelerated 3x.
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biology notes

Brachiopod segment polarity

Paper! How are segment polarity genes expressed in an animal without segments? https://www.nature.com/articles/srep32387

Brachiopod segment polarity and the head-trunk boundary.
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notes

EuroEvoDevo in Uppsala

Arriving in Uppsala for the EuroEvoDevo meeting. I see embryos ahead #EEDUppsala

Bryozoa talk in the EuroEvoDevo in Uppsala
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biology imaging notes

Necrophagy in the world’s longest worm

I’ve filmed the nemertean worm Lineus longissimus feeding on dead annelids! An example of necrophagy.

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biology imaging notes

Bryozoan life cycle

The BEST footage of bryozoan life cycle in the internet. Meet the coronate larva of Bugula neritina. Wow!

Made by Alvaro E. Migotto and Leandro M. Vieira.
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biology imaging notes

Cyphonautes day

The name cyphonautes was created by Ehrenberg (1834), who first saw the tiny creature on Nov. 25, 1832 (Hyman 1959).

Cyphonautes larva of the bryozoan Membranipora membranacea.
Cyphonautes larva of the bryozoan Membranipora membranacea after being fed red micro-algae.