January 1, 2019

Already in 2007 Zalan Szabo showed that archaellum expression in Sulfolobus solfataricus is starvation induced. Lateron we showed that the same is true for S. acidocaldarius, but nothing was known about the mechanims behind this regulatory process.

To date we have ident...

January 1, 2019

Archaea use a unique structure for swimming motility which is not hoomologous to bacterial flagella,  but instead resembles type IV pili. But in contrast to type IV pili, motion is not achieved by elongation and disassembly of the filament, but by rotation.

The smalles...

April 19, 2018

Almost all Sulfolobales contain an type IV pili operon named the UV inducible pilus operon (ups). This operon is highly induced after UV treatment of Sulfolobus cells or the occurence of DNA double strand breakages. As a result the cells express multiple pili all aroun...

February 23, 2016

Contents coming soon.



February 20, 2016

Almost all extracellular proteins of archaea are modified by either N- or O-glycosylation or both. We have set out to analyze the N-glycosylation pathway in S. acidocaldarius and used the S-layer protein as a substrate protein. We identified three enzymes that play an...

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University of Freiburg

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© 2019 by Sonja-Verena Albers.