News tagged with bacterial cells

A silky spin on protective armor

At seven times the toughness of Kevlar, a silk produced by the Caerostris darwini spider of Madagascar is more robust than any other material—synthetic or natural. Most spider silks are about two times ...

May 13, 2013 5 / 5 (4) 1

Random walks on DNA

Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...

Apr 19, 2013 4.3 / 5 (3) 0 | with audio podcast

Bacterial security agents go rogue

CRISPR, a system of genes that bacteria use to defend themselves against viruses, has been found to be involved in helping some bacteria evade the mammalian immune system. The results are scheduled for publication Sunday, ...

Apr 14, 2013 5 / 5 (3) 0 | with audio podcast

Pining for a beetle genome

The sequencing and assembly of the genome of the mountain pine beetle, Dendroctonus ponderosae, is published online this week in Genome Biology. The species is native to North America, where it is current ...

Mar 26, 2013 not rated yet 0