Chromatin and Histones

The basic building block of chromatin is the nucleosome, which contains 147 base pairs (bp) of DNA wrapped in a left-handed superhelix 1.7 times around a core histone octamer (two copies each of histones H2A, H2B, H3, and H4). read more…

Fun in the Lab

At the moment I have a technicians job, working in a lab. I have two weeks left, and must Finnish the tasks that I have been charged. read more…

Insulators

Today I thought I could kill two birds with one stone, and study up about insulator elements, which i don’t really understand at all to be honest. So bear with me my avid readers (cough). read more…

Iron Homeostatis and Cytoplasmic Control of Gene Expression

Iron. We all need it for many general cellular functions. When you don’t have enough Iron, your body cannot carry out those functions. On the flip side, you find that in high concentrations iron is toxic to the body. It is therefore critical that organism’s have a finely tuned system for regulating intracellular iron concentration. read more…