ZooKeys,
Journal Year:
2020,
Volume and Issue:
952, P. 129 - 157
Published: July 23, 2020
The
integration
of
genetic,
morphological,
behavioral,
and
ecological
information
in
the
analysis
species
boundaries
has
increased,
allowing
integrative
systematics
that
better
reflect
evolutionary
history
biological
groups.
In
this
context,
goal
study
was
to
recognize
independent
lineages
within
Euphonia
affinis
at
levels.
Three
subspecies
have
been
described:
E.
godmani
,
distributed
Pacific
slope
from
southern
Sonora
Guerrero;
Oaxaca,
Chiapas
Yucatan
Peninsula
Costa
Rica;
olmecorum
Tamaulipas
San
Luis
Potosi
east
northern
(not
recognized
by
some
authors).
A
multilocus
performed
using
mitochondrial
nuclear
genes.
These
analyses
suggest
two
genetic
lineages:
which
diverged
between
1.34
4.3
My,
a
period
ice
ages
global
cooling
fragmented
tropical
forests
throughout
Neotropics.
To
analyze
morphometric
variations,
six
measurements
were
taken,
Wilcoxon
Test
applied
look
for
sexual
dimorphism
differences
lineages.
Behavioral
included,
performing
vocalization
showed
significant
temporal
characteristics
calls.
Finally,
Ecological
Niche
Models
estimated
with
MaxEnt,
then
compared
method
Broennimann.
lineage
western
Mexico
(
)
more
restricted
niche
than
eastern
thus
we
rejected
hypotheses
equivalence
similarity.
Based
on
combined
evidence
data,
it
is
concluded
(with
as
its
synonym)
represent
PeerJ,
Journal Year:
2015,
Volume and Issue:
4, P. e1556 - e1556
Published: Jan. 12, 2015
The
influence
of
geologic
and
Pleistocene
glacial
cycles
might
result
in
morphological
genetic
complex
scenarios
the
biota
Mesoamerican
region.
We
tested
whether
berylline,
blue-tailed
steely-blue
hummingbirds,
Amazilia
beryllina
,
cyanura
saucerottei
show
evidence
historical
or
current
introgression
as
their
plumage
colour
variation
suggest.
also
analysed
role
past
present
climatic
events
promoting
species
diversification.
collected
mitochondrial
DNA
(mtDNA)
sequence
data
microsatellite
loci
scores
for
populations
throughout
range
three
species,
well
ecological
data.
Haplotype
network,
Bayesian
phylogenetic
divergence
time
inference,
demography,
palaeodistribution
modelling,
niche
tests
were
used
to
reconstruct
evolutionary
history
this
complex.
An
isolation-with-migration
coalescent
model
assignment
analysis
assessed
determine
admixture.
mtDNA
haplotypes
geographically
unstructured,
with
from
disparate
areas
interdispersed
on
a
shallow
tree
an
unresolved
haplotype
network.
Assignment
nuclear
genome
(nuDNA)
supported
groups
signs
admixture,
corresponding
to:
(1)
A.
located
west
Isthmus
Tehuantepec;
(2)
between
Tehuantepec
Nicaraguan
Depression
(Nuclear
Central
America);
(3)
southeast
Depression.
Gene
flow
estimates,
demographic
patterns
suggest
mediated
by
Quaternary
fluctuations.
High
levels
gene
indicated
asymmetrical
isolation-with-migration,
whereas
analyses
found
clusters
distributions
isolation
Historical
migration
genetically
distinct
estimated
using
microsatellites
higher
than
contemporary
migration.
These
results
support
scenario
secondary
contact
during
periods
strongly
imply
that
high
structure
currently
observed
are
consequence
limited
dispersal
these
hummingbirds
across
isthmus
depression
barriers.
Ecology and Evolution,
Journal Year:
2016,
Volume and Issue:
6(4), P. 1104 - 1127
Published: Jan. 22, 2016
Abstract
The
present
day
distribution
and
spatial
genetic
diversity
of
Mesoamerican
biota
reflects
a
long
history
responses
to
habitat
change.
hummingbird
Lampornis
amethystinus
is
distributed
in
northern
Mesoamerica,
with
geographically
disjunct
populations.
Based
on
sampling
across
the
species
range
using
mitochondrial
DNA
(mt
)
sequences
nuclear
microsatellites
jointly
analysed
phenotypic
climatic
data,
we
(1)
test
whether
fragmented
correlated
main
evolutionary
lineages,
(2)
assess
body
size
plumage
color
differentiation
populations
geographic
isolation,
(3)
evaluate
set
divergence
scenarios
demographic
patterns
Analysis
variation
revealed
four
groups:
blue‐throated
(Sierra
Madre
del
Sur);
two
groups
amethyst‐throated
(Trans‐Mexican
Volcanic
Belt
Sierra
Oriental);
east
Isthmus
Tehuantepec
(
IT
males
showing
an
amethyst
throat.
most
basal
split
estimated
have
originated
Pleistocene,
2.39–0.57
million
years
ago
MYA
),
corresponded
separated
by
.
However,
recent
time
between
blue‐
does
not
correspond
2‐
MY
needed
be
isolation
for
substantial
divergence,
likely
because
structurally
iridescent
colors
are
more
malleable
than
others.
Results
modeling
Approximate
Bayesian
Computation
analysis
fit
model
lineage
west
after
Last
Glacial
Maximum
LGM
that
species’
suitable
was
during
past
current
conditions.
These
results
challenge
generality
contraction/expansion
glacial
cloud
forest‐interior
urges
management
forest,
highly
vulnerable
ecosystem
climate
change
currently
facing
destruction,
prevent
further
loss
or
extinction.
Journal of Biogeography,
Journal Year:
2017,
Volume and Issue:
44(11), P. 2501 - 2514
Published: July 31, 2017
Abstract
Aim
The
formation
of
the
Trans‐Mexican
Volcanic
Belt
(
TMVB
)
played
an
important
role
in
driving
inter‐
and
intraspecific
diversification
at
high
elevations.
However,
Pleistocene
climate
changes
ecological
factors
might
also
contribute
to
plant
genetic
structuring
along
volcanic
belt.
Here,
we
analysed
phylogeographical
patterns
parrot‐mistletoe
Psittacanthus
calyculatus
determine
relative
contribution
these
different
factors.
Location
Belt.
Methods
Using
nuclear
chloroplast
DNA
sequence
data
for
370
individuals,
investigate
differentiation
35
populations
across
species
range.
We
conducted
phylogenetic,
population
spatial
analyses
P.
sequences
with
niche
modelling
Bayesian
inference
methods
gain
insight
into
variation
populations.
Results
Our
revealed
structure
three
groups
corresponding
individuals
from
Oaxaca
those
central‐eastern
western
regions.
A
significant
signal
demographic
expansion,
east‐to‐west
expansion
predicted
by
distribution
modelling,
approximate
computation
strongly
supported
a
scenario
habitat
isolation
invasion
during
late‐Pleistocene.
Main
conclusions
may
be
explained
combined
effects
(1)
geographical
linked
glacial/interglacial
cycles
environmental
factors,
congeners
more
xeric
vegetation
(2)
east
west,
suggesting
both
colonization
models.
Journal of Biogeography,
Journal Year:
2017,
Volume and Issue:
44(9), P. 2033 - 2044
Published: April 9, 2017
Abstract
Aim
The
aim
of
our
study
was
to
reconstruct
ancestral
geographic
distributions
from
time‐calibrated
phylogenies
generated
phylogenomic
data
answer
three
broad
questions
about
the
biogeography
skinks
in
Plestiodon
brevirostris
group:
(1)
Are
biogeographic
patterns
correlated
with
formation
Trans‐Mexican
Volcanic
Belt?
(2)
Do
different
methods
phylogenetic
estimation
result
topologies?
If
so,
(3)
are
reconstructions
impacted
by
use
trees?
Location
Mexico.
Methods
We
used
target
enrichment
ultraconserved
elements
(
UCE
s)
obtain
sequence
58
representing
11
13
described
species
group.
estimated
using
concatenated
and
multispecies
coalescent
approaches.
these
distributions.
Results
final
dataset
contained
3,282
s
each
skink.
Samples
putative
formed
well‐supported
clades
trees.
Time‐calibrated
were
generally
congruent,
but
differed
placement
one
basal
relationship.
Divergences
P.
group
temporally
spatially
congruent
pre‐Pleistocene
Belt.
most
likely
colonized
Mexican
highlands
east
west
during
Late
Miocene
Pliocene.
Inferences
early
history
confounded
unresolved
a
key
relationship
deep
phylogeny.
Conclusions
Skinks
represent
another
example
widespread
montane
taxon
long
diversification
associated
primary
This
mountain
range
seems
have
been
both
cradle
for
land
bridge
facilitating
dispersal
across
highlands.
Our
results
highlight
probable
existence
new
within
complex
suggest
that
querying
large
portion
genome
may
be
critically
important
studying
skinks.
However,
inferred
differences
between
phylogenies,
histories
reconstructed
caution
estimating
trees
need
carefully
considered.
Journal of Avian Biology,
Journal Year:
2018,
Volume and Issue:
49(4)
Published: Feb. 12, 2018
Pleistocene
climate
cycles
have
been
recognized
to
be
a
major
driver
of
postglacial
northward
range
expansion
North
American
bird
populations.
During
glacial
maxima,
allopatric
lineages
that
were
reproductively
isolated
might
come
into
secondary
contact
with
one
another
during
periods
and
the
genetic
signatures
past
hybridization
as
result
events
should
produce
detectable
hybrid
zones.
The
white‐chested
hummingbirds
Amazilia
violiceps
A.
viridifrons
,
constitute
species
complex
showing
phenotypic
similarity
across
its
range.
One
exception
is
subspecies
found
in
Central
Depression
Chiapas
(
villadai
),
which
shares
some
plumage
traits
endemic
but
green‐fronted
populations
Oaxaca.
Phylogenetic
relationships,
taxonomy
limits
among
controversial
for
decades.
We
assessed
structure
introgression
this
by
analysing
95
individuals
at
ten
nuclear
microsatellites
morphology.
Bayesian
analysis
yielded
four
clusters.
However,
only
two
clusters
generally
match
previously
described
mtDNA
haplogroups,
parental
taxon
south
)
cluster
admixed
taxa
cannot
attributed
any
pure
population.
High
admixture
was
recorded
/
range,
probably
consequence
northern
.
Signs
gene
flow
between
low.
Historical
contemporary
migration
rates
Approximate
computations
support
scenario
divergence
flow:
basal
split
separating
other
clades
are
derived
from
second
or
merger
due
flow.
Australian Systematic Botany,
Journal Year:
2016,
Volume and Issue:
29(6), P. 489 - 489
Published: Jan. 1, 2016
A
transition
zone
shows
the
overlap
between
two
or
more
regions
and
represents
an
event
of
biotic
hybridisation,
where
different
cenocrons
assembled
as
a
result
historical
ecological
processes.
The
Mexican
zone,
area
Nearctic
Neotropical
overlap,
includes
following
five
biogeographical
provinces:
Sierra
Madre
Occidental,
Oriental,
del
Sur,
Transmexican
Volcanic
Belt
Chiapas
Highlands.
Within
this
have
already
been
recognised:
Paleoamerican,
Plateau,
Mountain
Mesoamerican,
Typical
Neotropical.
We
undertook
three
cladistic
biogeographic
analyses
on
basis
49
cladograms
terrestrial
taxa,
partitioning
them
into
time-slices,
namely,
Miocene
(Mountain
Mesoamerican
cenocron),
Pliocene
plus
cenocrons)
Pleistocene
cenocrons).
For
time-slice,
we
observed
close
relationship
with
region,
whereas,
for
closest
was
region.
conclude
that
may
played
role
according
to
cenocron
analysed,
differs
in
its
delimitation
depending
taxa
strengthening
idea
it
is
complex
area.
Folia Zoologica,
Journal Year:
2015,
Volume and Issue:
64(3), P. 245 - 258
Published: Nov. 1, 2015
Large-scale
phylogeographical
patterns
and
the
underlying
factors
driving
species
divergence
in
Mesoamerica
are
poorly
understood,
but
it
is
widely
documented
that
tectonic
events
Pleistocene
climate
changes
play
an
important
role
determining
diversification.
As
glaciations
developed
only
around
high
mountains,
one
hypothesis
known
effects
of
Last
Glacial
Maximum
on
geographical
distribution
genetic
diversity
bird
populations,
producing
contraction/
expansion
latitudinal
pattern
observed
temperate
species,
should
be
largely
undetected
resident
populations
inhabiting
environmentally
more
stable
habitats.
To
gain
insight
into
Quaternary
habitat
stability
diversity,
we
use
ecological
niche
modelling
generalised
linear
to
determine
eight
widespread
or
range
restricted
hummingbird
species.
We
found
lesser
suitable
from
past
present
most
than
those
predicted
by
palaeodistribution
models
at
northern
regions.
Contemporary
seasonal
precipitation,
had
superior
explanatory
power,
magnitude
directionality
their
varied
between
range-restricted
distributed
studied
have
not
responded
equally
this
complex
region,
suggesting
differences
and/or
altitudinal
influenced
species-specific
responses
linked
region
also
contemporary
seasonality
associated
with
availability
floral
resources.
Molecular Phylogenetics and Evolution,
Journal Year:
2019,
Volume and Issue:
145, P. 106723 - 106723
Published: Dec. 28, 2019
The
high
levels
of
Neotropical
biodiversity
are
commonly
associated
with
the
intense
Neogene-Quaternary
geological
events
and
climate
dynamics.
Here,
we
investigate
evolutionary
history
two
species
closely
related
amphibians
(R.
horribilis
R.
marina).
We
combine
published
data
new
mitochondrial
DNA
sequences
multiple
nuclear
markers,
including
12
microsatellites.
phylogenetic
analyses
showed
support
for
grouping
samples
in
main
clades;
(Central
America
Mexico)
marina
(South
east
Andes).
However,
inferences
also
show
an
evident
mito-nuclear
discordance.
use
Approximate
Bayesian
Computation
(ABC)
to
test
role
different
diversification
between
groups
recovered.
found
that
both
were
affected
primarily
by
a
recent
Pleistocene
divergence,
which
was
similar
divergence
estimate
revealed
Isolation-with-Migration
model,
under
persistent
bidirectional
gene
flow
through
time.
provide
first
evidence
is
differentiated
from
South
American
at
level
supporting
taxonomic
status
horribilis,
has
been
controversial
more
than
century.