Codon Usage Bias in the Photolyase Gene of Amsacta moorei Entomopoxvirus
Biology Bulletin,
Год журнала:
2024,
Номер
51(S1), С. S52 - S65
Опубликована: Дек. 1, 2024
Язык: Английский
Analysis of codon usage bias of thioredoxin in apicomplexan protozoa
Parasites & Vectors,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 21, 2023
Apicomplexan
protozoa
are
a
diverse
group
of
obligate
intracellular
parasites
causing
many
diseases
that
affect
humans
and
animals,
such
as
malaria,
toxoplasmosis,
cryptosporidiosis.
possess
unique
thioredoxins
(Trxs)
have
been
shown
to
regulate
various
cellular
processes
including
metabolic
redox
regulation,
parasite
survival,
host
immune
evasion.
However,
it
is
still
unknown
how
synonymous
codons
used
by
apicomplexan
Trxs.
Codon
usage
bias
(CUB)
the
unequal
during
translation
which
leads
over-
or
underrepresentation
certain
nucleotide
patterns.
This
imbalance
in
CUB
can
impact
variety
protein
expression
levels
genetic
variation.
study
analyzed
32
Trx
coding
sequences
(CDS)
from
11
protozoa.
The
results
showed
both
codon
base
composition
relative
(RSCU)
analysis
revealed
AT-ended
were
more
frequently
Cryptosporidium
spp.
Plasmodium
spp.,
while
Eimeria
Babesia
Hammondia
hammondi,
Neospora
caninum,
Toxoplasma
gondii
tended
end
G/C.
average
effective
number
(ENC)
value
these
46.59,
>
35,
indicating
weak
preference
among
Furthermore,
correlation
(GC1,
GC2,
GC3,
GCs),
adaptation
index
(CAI),
(CBI),
frequency
optimal
(FOP),
ENC,
general
hydropathicity
(GRAVY),
aromaticity
(AROMO),
length
(L_sym),
amino
acids
(L_aa)
indicated
influence
indices
on
CUB.
Additionally,
neutrality
plot
analysis,
PR2-bias
ENC-GC3
further
demonstrated
natural
selection
plays
an
important
role
Trxs
bias.
In
conclusion,
this
increased
understanding
characteristics
evolution
Trxs,
expanded
new
ideas
for
vaccine
drug
research.
Язык: Английский
Analysis of Codon Usage Bias of Thioredoxin in Apicomplexan Protozoa
Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 29, 2023
Abstract
Background
Apicomplexan
protozoa
are
a
diverse
group
of
obligate
intracellular
parasites
causing
many
diseases
that
affect
humans
and
animals
such
as
malaria,
toxoplasmosis,
cryptosporidiosis.
possess
unique
thioredoxins
(Trxs)
have
been
shown
to
regulate
various
cellular
processes
including
metabolic
redox
regulation,
parasite
survival,
host
immune
evasion.
However,
it
is
still
unknown
how
synonymous
codons
used
by
apicomplexan
Trxs.
Methods
Codon
Usage
Bias
(CUB)
the
unequal
usage
during
translation
which
leads
over
or
underrepresentation
certain
nucleotide
patterns.
This
imbalance
in
CUB
can
impact
variety
protein
expression
levels
genetic
variation.
study
analyzed
32
Trx
coding
sequences
(CDS)
from
11
protozoa.
Results
The
results
showed
both
codon
base
composition
relative
(RSCU)
analysis
revealed
AT-ended
were
more
frequently
Cryptosporidium
spp
.
Plasmodium
.,
while
Eimeria
spp.
,
Babesia
Hammondia
hammondi
Neospora
caninum
Toxoplasma
gondii
tended
end
G/C.
average
effective
number
(ENC)
value
these
46.59,
>
35,
indicating
weak
preference
among
Furthermore,
correlation
(GC1,
GC2,
GC3,
GCs),
adaptation
index
(CAI),
bias
(CBI),
frequency
optimal
(FOP),
ENC,
general
hydropathicity
(GRAVY),
aromaticity
(AROMO),
length
(L_sym)
amino
acids
(L_aa)
indicated
influence
indices
on
CUB.
Additionally,
neutrality
plot
analysis,
PR2-bias
ENC-GC3
further
demonstrated
natural
selection
plays
an
important
role
Trxs
bias.
Conclusions
In
conclusion,
this
increased
understanding
characteristics
evolution
Trxs,
expanded
new
ideas
for
function
research.
Язык: Английский
Evolution is All You Need in Promoter Design and Optimization
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 18, 2023
Abstract
Predicting
the
strength
of
promoters
and
guiding
their
directed
evolution
is
a
crucial
task
in
synthetic
biology.
This
approach
significantly
reduces
experimental
costs
conventional
promoter
engineering.
Previous
studies
employing
machine
learning
or
deep
methods
have
shown
some
success
this
task,
but
outcomes
were
not
satisfactory
enough,
primarily
due
to
neglect
evolutionary
information.
In
paper,
we
introduce
Chaos-Attention
net
for
Promoter
Evolution
(CAPE)
address
limitations
existing
methods.
We
comprehensively
extract
information
within
using
chaos
game
representation
process
overall
with
DenseNet
Transformer.
Our
model
achieves
state-of-the-art
results
on
two
kinds
distinct
tasks.
The
incorporation
enhances
model’s
accuracy,
transfer
further
extending
its
adaptability.
Furthermore,
confirm
CAPE’s
efficacy
simulating
silico
promoters,
marking
significant
advancement
predictive
modeling
prokaryotic
strength.
paper
also
presents
user-friendly
website
practical
implementation
promoters.
Язык: Английский
Comparative analysis of codon usage patterns of Plasmodium helical interspersed subtelomeric (PHIST) proteins
Baoling Yang,
Ziwen Cheng,
Like Luo
и другие.
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Дек. 14, 2023
Background
Plasmodium
falciparum
is
a
protozoan
parasite
that
causes
the
most
severe
form
of
malaria
in
humans
worldwide,
which
predominantly
found
sub-Saharan
Africa,
where
it
responsible
for
majority
malaria-related
deaths.
helical
interspersed
subtelomeric
(PHIST)
proteins
are
family
proteins,
with
conserved
PHIST
domain,
typically
located
at
regions
chromosomes
and
play
crucial
roles
interaction
between
its
human
host,
such
as
cytoadherence,
immune
evasion,
host
cell
remodeling.
However,
specific
utilization
synonymous
codons
by
still
unknown.
Methods
Codon
usage
bias
(CUB)
refers
to
unequal
during
translation,
resulting
over-
or
underrepresentation
certain
nucleotide
patterns.
This
imbalance
CUB
can
impact
various
cellular
processes,
including
protein
expression
levels
genetic
variation.
To
investigate
this,
88
coding
sequences
(CDSs)
from
5
subgroups
were
analyzed
this
study.
Results
The
results
showed
both
codon
base
composition
relative
(RSCU)
analysis
identified
higher
occurrence
AT-ended
(AGA
UUA)
.
average
effective
number
(ENC)
these
was
36.69,
indicating
weak
preference
among
them,
greater
than
35.
Additionally,
correlation
(GC1,
GC2,
GC3,
GCs),
adaptation
index
(CAI),
(CBI),
frequency
optimal
(FOP),
ENC,
general
hydropathicity
(GRAVY),
aromaticity
(AROMO),
length
(L_sym),
amino
acids
(L_aa)
revealed
influence
indices
on
bias,
GC1
having
significant
Furthermore,
neutrality
plot
analysis,
PR2-bias
ENC-GC3
provided
additional
evidence
natural
selection
plays
role
determining
proteins.
Conclusion
In
conclusion,
study
has
enhanced
our
understanding
characteristics
evolution
thereby
providing
data
foundation
further
research
antimalarial
drugs
vaccines.
Язык: Английский