I’m on holiday this week so this is an old post that appeared on my previous blog “Life of a Lab Rat” on July 1st 2010. Prokaryotes are by far the most successful superkingdom in terms of both biochemical diversity and the variety of environments conquered.
Prions are the infective agents that cause transmissible spongiform encephalopathies such as Mad Cow Disease in humans. All prions affect the brain or neural tissues and are currently untreatable.
Most chemical reactions go pretty slowly at room temperature. This is good news most of the time, otherwise random parts of the environment would be exploding at regular intervals, but bad news for industrial processes which need reactions to occur.
Following my previous post on wildlife diseases, I’ve been in a fairly multicellular mood. Rather than try and turn my mind back to bacteria I decided to get it out of my system by finishing the month with a two part mini-series on creepy-crawlies that survive in some of the harshest conditions on earth; the [...]
All living cells contain DNA; the code for producing every protein needed by the cell. As DNA is important it needs to be kept safe. Plants and animals keep their DNA tightly twisted and organised inside a double-membrane bound nucleus while bacteria keep their DNA coiled up in a big circle, with the occasional loop [...]
An infamous protein helps to explain how memory works