In the absence of functional annotation, genes
encoding immune system proteins can thus be difficult to identify, as homology - based approaches generally can not detect lineage - specific genes.
Not exact matches
In each case, the mRNA
encodes viral
proteins that infected cells would normally present to activate the
immune system and beat back an infection.
A rare and improbable mutation in a
protein encoded by an influenza virus renders the virus defenseless against the body's
immune system.
Women prefer the smell of T - shirts worn by men whose major histocompatability complex genes — which
encode the
proteins that make up an important part of our
immune system — are different from their own, and vice versa.
The MHC is a family of genes found in all vertebrates that
encodes vital
proteins in the
immune defense
system.
Especially critical are those genomic regions that
encode viral
proteins recognized by the human
immune system.
The sequence, called an ITAM (immunoreceptor tyrosine - based activation motif),
encodes a piece of
protein that can by itself signal
immune system cells to multiply and go to work.
But human leukocyte antigens — a group of genes that
encode proteins essential to the human
immune system — in the samples showed that a few individuals had a type, or allele, found among only Native Americans.
The malarial genes under the most intense selection pressure — those with the most variation, generated over a millennium - long cat - and - mouse game with the
immune system's antibody response — are the ones that
encode the identifying
proteins on the surface of the parasite.
One pioneer parasite will express a brand new var gene that
encodes a PfEMP1
protein that the
immune system has not seen before.
One pioneer parasite will express a brand new var gene that
encodes a PfEMP1
protein that the
immune system has not seen before and therefore has no specific antibodies against.