News from Centre for Ocean Life

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2022
25 OCT

Using Ultrasound to Tether Microorganisms

Swimming microorganisms move as they please, and it requires patience to observe their appendage motions, swimming kinematics, and the resulting flows. In a new paper...

26 SEP

Grazer-induced aggregation in diatoms

Diatoms are one of the most diverse groups of phytoplankton in the ocean. One reason for this high diversity is the evolution of multiple defence mechanisms and subsequent...

07 SEP

The feeding behavior of Apocyclops royi

Ambush-feeding copepods passively wait for its prey and capture them by a fast surprise attack. The copepods sense the hydromechanical signals generated by their motile...

14 JUL

Hairy flagellates have a clever way to overcome limitations of life at small scales

Flagellates live in a small-scale environment where viscosity impedes contact with their bacterial prey. Most flagellates use the active waving motion of a flexible flagellum...

22 JUN

Evolution of toxicity as a public good in phytoplankton

Many species of phytoplankton release toxins that combat competitors and predators. It has long puzzled researchers how such ‘public good’ toxicity has evolved, because...

05 MAY

Exploring the relation between the size spectrum of plankton communities and carbon...

In the oceans, a nearly constant biomass of organisms is found in equal log- intervals of body-size. This large-scale regularity is referred to as the size spectrum...

Mechanisms and fluid dynamics of foraging in heterotrophic nanoflagellates
29 APR

How do flagellates feed: Mystery solved

Despite living in a micro-scale world governed by viscosity, heterotrophic nanoflagellates are able to clear great volumes of water for prey by creating feeding flows...

22 APR

Flow through a bare sponge skeleton is not informative about how flow moves through...

The deep-sea glass sponge Euplectella aspergillum is well known due to its beautiful lattice-work structure, and has attracted interest in its solid and fluid mechanical...

13 APR

Costs and benefits of predator-induced defense in a toxic diatom

The bloom-forming diatom Pseudo-nitzschia produces a potent neurotoxin, domoic acid, that may cause closure of fisheries. The reason for its production has long been...

08 APR

Species Specific Responses to Grazer Cues and Acidification in Phytoplankton-...

Phytoplankton employ a wide variety of defense against grazers, and rely on chemical cues to assess the current grazing pressure. However, these signals are potentially...

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News from Centre for Ocean Life

https://www.oceanlifecentre.dk/news
5 DECEMBER 2022