Bulletin of the Museum of Comparative Zoology,
Journal Year:
2023,
Volume and Issue:
163(7)
Published: Jan. 25, 2023
We
describe
the
only
known
tetraploid
parthenogenetic
species
of
amniote
that
has
haploid
genomes
from
four
distinct
ancestral
bisexual
(gonochoristic)
species.
These
were
brought
together
through
three
hybridization
events
occurred
over
a
time
span
hundreds
or
thousands
years,
last
which
recently
in
captivity
without
any
experimental
manipulation.
Inheritance
alleles
at
seven
microsatellite
deoxyribonucleic
acid
loci
and
DNA
sequence
data
for
adenosine
deaminase
intron
9
new
confirms
its
parentage
and,
with
quantification,
demonstrates
tetraploidy
high
heterozygosity
are
maintained
parthenogenetically
generation
after
generation.
Comparisons
univariate
multivariate
variation
scalation
between
tetraploids
their
parental
taxa
reveal
strong
maternal
similarity
morphological
characters,
little
to
no
significant
differences,
suggesting
such
females
may
exist
old
museum
samples
misidentified
as
ancestor.
This
research
on
specimens
adds
support
earlier
papers
provide
important
insights
taxonomic
treatment
many
clones
teiid
lizards
occur
Western
Hemisphere.
Current Zoology,
Journal Year:
2021,
Volume and Issue:
7(1)
Published: Oct. 1, 2021
Abstract
The
current
evolutionary
biology
theory
primarily
involves
genetic
alterations
and
random
DNA
sequence
mutations
to
generate
the
phenotypic
variation
required
for
Darwinian
natural
selection
act.
This
neo-Darwinian
evolution
is
termed
Modern
Evolution
Synthesis
has
been
primary
paradigm
nearly
100
years.
Although
environmental
factors
have
a
role
in
selection,
does
not
consider
environment
impact
basic
molecular
processes
involved
evolution.
An
Extended
Evolutionary
recently
developed
that
extends
modern
synthesis
non-genetic
processes.
Over
past
few
decades,
epigenetics
research
demonstrated
regulate
directly
independent
of
alterations.
Therefore,
can
on
level
through
(i.e.
epigenetic)
mechanisms
influence
variation,
inheritance
adaptation.
direct
action
alter
phenotype
heritable
neo-Lamarckian
concept
facilitate
Synthesis)
integration
genetics,
epigenetics,
theory,
Lamarckian
concepts,
environment,
epigenetic
provides
shift
theory.
environmental-induced
transgenerational
presented
describe
more
unified
biology.
Molecular Ecology Resources,
Journal Year:
2022,
Volume and Issue:
23(7), P. 1488 - 1508
Published: April 25, 2022
Abstract
The
field
of
molecular
biology
is
advancing
fast
with
new
powerful
technologies,
sequencing
methods
and
analysis
software
being
developed
constantly.
Commonly
used
tools
originally
for
research
on
humans
model
species
are
now
regularly
in
ecological
evolutionary
research.
There
also
a
growing
interest
the
causes
consequences
epigenetic
variation
natural
populations.
Studying
epigenetics
currently
challenging,
especially
vertebrate
systems,
because
required
technical
expertise,
complications
analyses
interpretation,
limitations
acquiring
sufficiently
high
sample
sizes.
Importantly,
neglecting
experimental
setup,
technology
may
affect
reliability
reproducibility,
extent
to
which
unbiased
conclusions
can
be
drawn
from
these
studies.
Here,
we
provide
practical
guide
researchers
aiming
study
DNA
methylation
wild
vertebrates.
We
review
aspects
research,
concentrating
using
bisulfite
sequencing,
discuss
possible
pitfalls,
how
overcome
them
through
rigid
reproducible
data
analysis.
This
provides
solid
foundation
proper
design
studies,
clear
roadmap
best
practices
correct
realistic
view
studying
will
help
implications
Neuroscience & Biobehavioral Reviews,
Journal Year:
2023,
Volume and Issue:
150, P. 105194 - 105194
Published: April 23, 2023
Animal
personality,
consistent
individual
differences
in
behaviour,
is
an
important
concept
for
understanding
how
individuals
vary
they
cope
with
environmental
challenges.
In
order
to
understand
the
evolutionary
significance
of
animal
it
crucial
underlying
regulatory
mechanisms.
Epigenetic
marks
such
as
DNA
methylation
are
hypothesised
play
a
major
role
explaining
variation
phenotypic
changes
response
alterations.
Several
characteristics
also
align
well
personality.
this
review
paper,
we
summarise
current
literature
on
that
molecular
epigenetic
mechanisms
may
have
personality
variation.
We
elaborate
potential
explain
behavioural
variation,
development
and
temporal
consistency
behaviour.
then
suggest
future
routes
emerging
field
point
pitfalls
be
encountered.
conclude
more
inclusive
approach
needed
studying
epigenetics
cannot
studied
without
considering
genetic
background.
Epigenomes,
Journal Year:
2022,
Volume and Issue:
6(4), P. 31 - 31
Published: Sept. 28, 2022
Population
epigenetics
explores
the
extent
of
epigenetic
variation
and
its
dynamics
in
natural
populations
encountering
changing
environmental
conditions.
In
contrast
to
population
genetics,
basic
concepts
this
field
are
still
their
early
stages,
especially
animal
populations.
Epigenetic
may
play
a
crucial
role
phenotypic
plasticity
local
adaptation
as
it
can
be
affected
by
environment,
is
likely
have
higher
spontaneous
mutation
rate
than
nucleotide
sequences
do,
inherited
via
non-mendelian
processes.
review,
we
aim
bring
together
studies
generate
new
insights
into
ecological
evolutionary
implications.
We
first
provide
an
overview
DNA
methylation
autonomy
from
genetic
wild
population.
Second,
discuss
which
create
observed
structures
including
genetics
Then,
highlight
relevance
mechanism
extended
synthesis.
Finally,
suggest
research
directions
highlighting
gaps
knowledge
field.
As
for
our
results,
diversity
was
found
reveal
parameters
that
used
characterize
Some
applied
explain
structure
The
set
recent
advancements
epigenetics,
transgenerational
inheritance
population,
might
reshape
way
ecologists
predictive
models
capacity
organisms
adapt
environments.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 4, 2024
Abstract
Epigenetic
modifications,
such
as
5-methylcytosine
(5mC),
can
sometimes
be
transmitted
between
generations,
provoking
speculation
that
epigenetic
changes
could
play
a
role
in
adaptation
and
evolution.
Here,
we
use
experimental
evolution
to
investigate
how
5mC
levels
evolve
populations
of
biparental
insect
(
Nicrophorus
vespilloides
)
derived
from
wild
source
population
maintained
independently
under
different
regimes
parental
care
the
lab.
We
show
transcribed
regions
genes
(gene
bodies)
diverge
have
been
exposed
for
30
generations.
These
do
not
reflect
gene
expression.
However,
accumulation
within
is
associated
with
reduced
variability
expression
populations.
Our
results
suggest
evolved
change
contribute
phenotypic
by
influencing
invertebrates.
Current Zoology,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Jan. 1, 2024
Anthropogenic
activities
are
responsible
for
a
wide
array
of
environmental
disturbances
that
threaten
biodiversity.
Climate
change,
encompassing
temperature
increases,
ocean
acidification,
increased
salinity,
droughts,
and
floods
caused
by
frequent
extreme
weather
events,
represents
one
the
most
significant
alterations.
These
drastic
challenges
pose
ecological
constraints,
with
over
million
species
expected
to
disappear
in
coming
years.
Therefore,
organisms
must
adapt
or
face
potential
extinctions.
Adaptations
can
occur
not
only
through
genetic
changes
but
also
non-genetic
mechanisms,
which
often
confer
faster
acclimatization
wider
variability
ranges
than
their
counterparts.
Among
these
mechanisms
epigenetics
defined
as
study
molecules
perpetuate
alternative
gene
activity
states
context
same
DNA
sequence.
Epigenetics
has
received
attention
past
decades,
epigenetic
sensitive
cues,
epimutations
spread
populations
mutations.
Epimutations
be
neutral,
deleterious,
adaptative
transmitted
subsequent
generations,
making
them
crucial
factors
both
long-
short-term
responses
fluctuations,
such
climate
change.
In
this
review,
we
compile
existing
evidence
involvement
adaptation
change
discuss
derived
perspectives
remaining
field
epigenetics.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: July 25, 2023
Soybean
is
an
important
grain
and
oil
crop
worldwide
rich
in
nutritional
value.
Phenotypic
morphology
plays
role
the
selection
breeding
of
excellent
soybean
varieties
to
achieve
high
yield.
Nowadays,
mainstream
manual
phenotypic
measurement
has
some
problems
such
as
strong
subjectivity,
labor
intensity
slow
speed.
To
address
problems,
a
three-dimensional
(3D)
reconstruction
method
for
plants
based
on
structure
from
motion
(SFM)
was
proposed.
First,
3D
point
cloud
plant
reconstructed
multi-view
images
obtained
by
smartphone
SFM
algorithm.
Second,
low-pass
filtering,
Gaussian
Ordinary
Least
Square
(OLS)
plane
fitting,
Laplacian
smoothing
were
used
fusion
automatically
segment
data,
individual
plants,
stems,
leaves.
Finally,
Eleven
morphological
traits,
height,
minimum
bounding
box
volume
per
plant,
leaf
projection
area,
length
width,
tilt
information,
accurately
nondestructively
measured
proposed
algorithm
phenotype
(LPM).
Moreover,
Support
Vector
Machine
(SVM),
Back
Propagation
Neural
Network
(BP),
(GRNN)
prediction
models
established
predict
identify
varieties.
The
results
indicated
that,
compared
with
measurement,
root
mean
square
error
(RMSE)
length,
width
0.9997,
0.2357,
0.2666
cm,
absolute
percentage
(MAPE)
2.7013%,
1.4706%,
1.8669%,
coefficients
determination
(R2)
0.9775,
0.9785,
0.9487,
respectively.
accuracy
predicting
species
according
six
parameters
highest
when
using
GRNN,
reaching
0.9211,
RMSE
18.3263.
Based
traits
differences
between
C3,
47-6
W82
soybeans
analyzed
genetically,
because
C3
insect-resistant
line,
trait
parametes
(minimum
number
leaves,
size
single
box,
area).The
show
that
can
effectively
extract
information
leaves
without
loss
which
potential
ability
other
dense
