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4
votes
2answers
476 views

Father with mutated gene for mtDNA- why isn't his offspring at risk?

Mothers transmit their mitochondria (and therefore mtDNA) to their offspring and fathers don't. Lets assume that father had a mutation of the gene that encodes mtDNA, would then be his offspring at ...
4
votes
1answer
20 views

Can methylation of a promoter induce gene expression in some rare cases?

Can methylation of a promoter induce gene expression in some rare cases? I've read somewhere that methylation of an intron can induce gene expression (eg. Igf2). How is that even possible? Thank ...
3
votes
2answers
44 views

What does the gene name “lexA” stand for?

It is an important gene expressed in E. coli that represses the SOS response and also the expression of lambda lytic phase genes. UV light and damage to DNA is responsible for its breakdown and hence ...
1
vote
1answer
22 views

Mode of Enzymatic Inhibition via R-Allele

The photo above shows the effects of the R allele of the pea shape gene on the synthesis of an enzyme that converts unbranched starch into branched starch. The r allele of this gene determines an ...
0
votes
1answer
35 views

What to do if microarray t-test, ANOVA, SAM and LImma show various selected significant genes?

Need advice: how to approach discrepancy in differential microarray gene expression test results: what to do if ANOVA, ttest, SAM and Limma procedures show different results and especially more ...
0
votes
1answer
46 views

Why we do not use RNAi to control ebola?

As you know using RNAi we are able to prevent gene expression. so why we do not use it to stop viral genes expression?