Author Archives: tfester

Walking the cellular highways

We know for some time, how the cellular transporters directed towards the periphery (kinesins, the red ones in the animation below) are walking their (microtubule) cellular highways… Continue reading

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Dinosaur migration

Plant-eating dinosaurs migrated over large distances, as demonstrated by oxygen isotope analyses of dinosaur teeth (Nature 480, 513 ff)… Continue reading

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Planetary sun bath

Astronomers detected two small planets (in the range of Earth circling a white dwarf (Kepler-20) in close proximity (Nature 480, 460 f and 496 ff)… Continue reading

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Modern humans in Europe

This week’s animation features three recent articles from Nature (volume 479, pages 483 – 485, pages 521 – 524, pages 525-529), which shifted the documented arrival time of modern humans in Europe by a few thousand years to an earlier … Continue reading

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Molecular Cages

The molecular cages visualized below have been described by Liu et al in Science, volume 322, page 436… Continue reading

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RNA-Quadruplex – the dance of the guanines

RNA-molecules form a variety of different structures and here is one of the more unusual ones: a quadruplex formed by the interaction of guanines form four different stretches of the molecule… Continue reading

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Euglena gracilis

This posting is about the first eukaryotic organism in this series, Euglena gracilis… Continue reading

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Hydrophobic core

Proteins soluble in water in general contain hydrophobic amino acids in the internal, core regions and… Continue reading

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Substrate binding

This post will focus on the substrate binding pocket of the cellulase introduced recently… Continue reading

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The true nature of proteins

In the following postings I will explore some possibilities of the raytracing program Pov-ray to visualize protein structures… Continue reading

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