The scientific study of the structure and function of genes at the molecular level.
6
votes
1answer
55 views
How is the exogenous DNA protected from degradation during bacterial transformation?
During transformation, a bacterium can take up DNA from its environment. A small fraction of bacterial species are known to be naturally competent, meaning that they can engage in this sort of ...
7
votes
0answers
57 views
paralogue genes in genome-wide association studies?
Has anybody tested if there is an over-representation of significant paralogous copies of genes -- either tandemly-arranged or in different chromosomes -- in the list of significantly associated genes ...
3
votes
0answers
59 views
Comparative cost of RNA-seq vs sequencing full length cDNAs
I am in the process of assembling and annotating the genome of a non-model organism, using almost exclusively short read (paired-end Illumina) data. Throughput is one obvious benefit of these data ...
2
votes
0answers
37 views
Histone marks mechanism
I am slightly confused about the mechanisms that makes histone modifications associate with gene expression.
That is, H3K36me3 is believed to be present in actively transcribed genes, H3K27me3 in ...
1
vote
0answers
41 views
Polymerase Observations
DNA polymerase I (PolI) contains polymerase, 3'-5' exonuclease, and 5'-3' exonuclease activities in a single polypeptide chain of molecular weight 109 kDa. If E. coli Pol I is exposed to the protease ...
