Phylogenetic structure of tuna (Thunnus spp.) based on mitochondrial COI DNA in Indonesian and Australian waters
Jean Claudia De Soysa,
No information about this author
Satrio Hani Samudra,
No information about this author
Siti Zanuba Aisyah
No information about this author
et al.
BIO Web of Conferences,
Journal Year:
2025,
Volume and Issue:
168, P. 01009 - 01009
Published: Jan. 1, 2025
Tuna
(
Thunnus
spp.)
is
a
seafood
commodity
that
significantly
contributes
to
country’s
foreign
exchange.
Given
the
increase
in
fishing
activities,
genetic
studies
have
become
vital
ensure
sustainable
management.
This
study
analyzed
65
mitochondrial
cytochrome
oxidase
subunit
I
(COI)
DNA
sequences
were
obtained
from
GenBank
and
subjected
phylogenetic
analyses
using
Bootstrap
Neighbor-Joining
Model
Kimura
2
Parameter
Method.
Phylogenetic
analysis
revealed
spp.
clustered
into
five
clades.
had
bootstrap
value
of
more
than
50%,
with
largest
distance
recorded
at
0.04
smallest
0.00.
Regarding
tuna
species
distribution
zones,
these
findings
imply
there
are
no
significant
differences
between
Australia
Indonesia
indicating
high
connectivity
regions.
Language: Английский
Prediction of the effects of the top 10 synonymous mutations from 26645 SARS-CoV-2 genomes of early pandemic phase
Wan Xin Boon,
No information about this author
Boon Zhan Sia,
No information about this author
Chong Han Ng
No information about this author
et al.
F1000Research,
Journal Year:
2024,
Volume and Issue:
10, P. 1053 - 1053
Published: Sept. 18, 2024
Background
The
emergence
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
had
led
to
a
global
pandemic
since
December
2019.
SARS-CoV-2
is
single-stranded
RNA
virus,
which
mutates
at
higher
rate.
Multiple
works
been
done
study
nonsynonymous
mutations,
change
protein
sequences.
However,
there
little
on
the
effects
synonymous
may
affect
viral
fitness.
This
aims
predict
effect
mutations
genome.
Methods
A
total
26645
genomic
sequences
retrieved
from
Global
Initiative
Sharing
all
Influenza
Data
(GISAID)
database
were
aligned
using
MAFFT.
Then,
and
their
respective
frequency
identified.
secondary
structures
prediction
tools,
namely
RNAfold,
IPknot++
MXfold2
applied
structure
base
pair
probabilities
was
estimated
MutaRNA.
Relative
codon
usage
(RSCU)
analysis
also
performed
measure
bias
(CUB)
SARS-CoV-2.
Results
150
mutation
identified
with
highest
C3037U
in
nsp3
ORF1a.
Of
these
top
10
C913U,
C3037U,
U16176C
C18877U
mutants
show
pronounced
changes
between
wild
type
mutant
3
suggesting
have
some
biological
impact
These
four
probabilities.
All
except
more
preferred
codon,
result
translation
efficiency.
Conclusion
Synonymous
genome
structure,
changing
possibly
resulting
lab
experiments
are
required
validate
results
obtained
analysis.
Language: Английский
Prediction of the effects of the top 10 synonymous mutations from 26645 SARS-CoV-2 genomes
Wan Xin Boon,
No information about this author
Boon Zhan Sia,
No information about this author
Chong Han Ng
No information about this author
et al.
F1000Research,
Journal Year:
2024,
Volume and Issue:
10, P. 1053 - 1053
Published: Feb. 29, 2024
The
emergence
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
had
led
to
a
global
pandemic
since
December
2019.
SARS-CoV-2
is
single-stranded
RNA
virus,
which
mutates
at
higher
rate.
Multiple
works
been
done
study
nonsynonymous
mutations,
change
protein
sequences.
However,
there
little
on
the
effects
synonymous
may
affect
viral
fitness.
This
aims
predict
effect
mutations
genome.
Language: Английский
DArTSNPbased genetic diversity analyses in cassava (Manihot esculenta) genotypes sourced from different regions revealed high level of diversity within population
A. NeimSemman,
No information about this author
A. Abush Tesfaye,
No information about this author
Y. Ismael Rabbi
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 18, 2024
Abstract
Understanding
the
extent
of
genetic
diversity
is
a
pre
requisite
in
cassava
breeding
program
due
to
its,
available
broad
base
crop
and
have
great
opportunity
for
its
improvement.
This
study
was
designed
assess
184
germplasm
sourced
from
International
Institute
Tropical
Agriculture
(IITA)
previous
collection
Jimma
Agricultural
Research
Center
(JARC)
by
using
DArTSNPs
markers.
The
data
were
subjected
imputation
filtering
minor
allele
frequency
0.01,
0.95
major
TASSEL
Beagle.
resultants
9,310
informative
SNPs
retained
used
perform
analysis
molecular
variance
(AMOVA),
diversity,
population
structure,
dissimilarity-based
clustering
tested
germplasm.
results
AMOVA
revealed
higher
variation
within
(91.3%)
than
between
(8.7%)
populations.
high
average
PIC
(0.44),
He
(0.50),
(0.61)
(0.28)
showed
existence
Population
structure
grouped
panels
into
six
structures
with
admixtures.
Similarly,
principal
component
analysis,
factor
cluster
apparently
divided
clusters.
Both
introduced
locally
collected
formed
three
clusters,
each
creating
some
mixes
genotypes,
indicating
that
alleles
sharing
common
ancestral
background.
overall
results,
studied
genotypes
significant
variations,
which
can
render
association
mapping
technical
conservation
purposes.
Language: Английский