New massive dataset of bacterial proteins

Scientists from Switzerland and the Netherlands have conducted a quantitative and qualitative analysis of the proteins that the bacterium Escherichia coli expresses in 22 different growth conditions. More than 2,300 proteins ...

Horizontal gene transfer in E. coli

Escherichia coli O104 is an emergent disease-causing bacterium various strains of which are becoming increasingly well known and troublesome. The pathogen causes bloody diarrhea as well as and potentially fatal kidney damage, ...

Border collies chase away beach contamination

Border Collies are effective at reducing gull congregation on recreational beaches, resulting in lower E. coli abundance in the sand. Researchers from Central Michigan University reported the findings at the annual meeting ...

In the lab, scientists coax E. coli to resist radiation damage

Capitalizing on the ability of an organism to evolve in response to punishment from a hostile environment, scientists have coaxed the model bacterium Escherichia coli to dramatically resist ionizing radiation and, in the ...

Pushing and shoving: A cost factor in protein synthesis

When cells grow and proliferate, they need to produce large amounts of protein. All this protein is made by ribosomes, therefore rapid growth requires many ribosomes. Because ribosomes are expensive machines for the cell, ...

How bacteria integrate autotransporters into their outer membrane

The bacterial outer envelope is densely packed with proteins that form small pores and facilitate the passage of nutrients, toxins and signaling molecules. Professors Timm Maier and Sebastian Hiller from the Biozentrum of ...

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