The Primate Major Histocompatibility Complex: An Illustrative Example of Gene Family Evolution
Опубликована: Янв. 13, 2025
Gene
families
are
groups
of
evolutionarily-related
genes.
One
large
gene
family
that
has
experienced
rapid
evolution
is
the
Major
Histocompatibility
Complex
(MHC),
whose
proteins
serve
critical
roles
in
innate
and
adaptive
immunity.
Across
∼60
million
year
history
primates,
some
MHC
genes
have
turned
over
completely,
changed
function,
converged
others
remained
essentially
unchanged.
Past
work
typically
focused
on
identifying
alleles
within
particular
species
or
comparing
content,
but
more
needed
to
understand
overall
across
species.
Thus,
despite
immunologic
importance
its
peculiar
evolutionary
history,
we
lack
a
complete
picture
primates.
We
readdress
this
question
using
sequences
from
dozens
pseudogenes
spanning
entire
primate
order,
building
comprehensive
set
allele
trees
with
modern
methods.
Overall,
find
Class
I
subfamily
evolving
much
quickly
than
II
subfamily,
exception
MHC-DRB
also
pay
special
attention
often-ignored
pseudogenes,
which
use
reconstruct
different
events
region.
shared
function
species,
employ
genes,
haplotypes,
patterns
variation
achieve
successful
immune
response.
Our
extensive
literature
review
represent
most
look
into
date.
Язык: Английский
The Primate Major Histocompatibility Complex: An Illustrative Example of Gene Family Evolution
Опубликована: Янв. 13, 2025
Gene
families
are
groups
of
evolutionarily-related
genes.
One
large
gene
family
that
has
experienced
rapid
evolution
is
the
Major
Histocompatibility
Complex
(MHC),
whose
proteins
serve
critical
roles
in
innate
and
adaptive
immunity.
Across
∼60
million
year
history
primates,
some
MHC
genes
have
turned
over
completely,
changed
function,
converged
others
remained
essentially
unchanged.
Past
work
typically
focused
on
identifying
alleles
within
particular
species
or
comparing
content,
but
more
needed
to
understand
overall
across
species.
Thus,
despite
immunologic
importance
its
peculiar
evolutionary
history,
we
lack
a
complete
picture
primates.
We
readdress
this
question
using
sequences
from
dozens
pseudogenes
spanning
entire
primate
order,
building
comprehensive
set
allele
trees
with
modern
methods.
Overall,
find
Class
I
subfamily
evolving
much
quickly
than
II
subfamily,
exception
MHC-DRB
also
pay
special
attention
often-ignored
pseudogenes,
which
use
reconstruct
different
events
region.
shared
function
species,
employ
genes,
haplotypes,
patterns
variation
achieve
successful
immune
response.
Our
extensive
literature
review
represent
most
look
into
date.
Язык: Английский