American Journal of Botany,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 26, 2025
Abstract
Premise
Many
angiosperms
have
evolved
specialized
systems
that
promote
pollination
by
specific
taxa.
Therefore,
plant
distributions
may
be
limited
the
local
abundance
of
their
specialist
pollinators.
In
eastern
North
America,
Lobelia
cardinalis
is
thought
to
pollinated
solely
Archilochus
colubris
,
only
hummingbird
species
found
in
region.
Here
we
tested
hypothesis
distribution
a
with
controlled
range
and
its
pollinator.
Methods
We
investigated
importance
A.
abundance,
sourced
from
eBird,
as
variable
MaxEnt
model
L.
using
presence
data
iNaturalist.
also
compared
between
locations
congeneric
during
respective
flowering
periods
explored
whether
congenerics
align
week
peak
abundance.
Results
Unexpectedly,
modelling
did
not
suggest
key
driver
distribution.
habitat
suitability
was
lowest
absence
increased
increasing
but
low
regions
where
highest.
Still,
at
generally
higher
than
most
congenerics,
tended
flower
near
Conclusions
While
populations
hummingbird‐pollinated
require
hummingbirds,
fine‐scale
variation
strongly
influence
spatial
distributions.
Annals of Botany,
Год журнала:
2023,
Номер
133(3), С. 379 - 398
Опубликована: Дек. 10, 2023
Abstract
Buzz
pollination,
a
type
of
interaction
in
which
bees
use
vibrations
to
extract
pollen
from
certain
kinds
flowers,
captures
close
relationship
between
thousands
bee
and
plant
species.
In
the
last
120
years,
studies
buzz
pollination
have
contributed
our
understanding
natural
history
basic
properties
produced
by
applied
flowers
model
systems.
Yet,
much
remains
be
done
establish
its
adaptive
significance
ecological
evolutionary
dynamics
across
diverse
Here,
we
review
for
plants
proximate
(mechanism
ontogeny)
ultimate
(adaptive
evolution)
explanations
focusing
especially
on
integrating
these
levels
synthesize
identify
prominent
gaps
knowledge.
Throughout,
highlight
new
technical
modelling
approaches
importance
considering
morphology,
biomechanics
behaviour
shaping
pollination.
We
end
discussing
context
how
multilevel
perspective
can
contribute
explain
reasons
this
ancient
bee–plant
interaction.
New Phytologist,
Год журнала:
2024,
Номер
243(4), С. 1586 - 1599
Опубликована: Май 9, 2024
Mycorrhizal
symbiosis,
seed
dispersal,
and
pollination
are
recognized
as
the
most
prominent
mutualistic
interactions
in
terrestrial
ecosystems.
However,
it
remains
unclear
how
these
symbiotic
relationships
have
interacted
to
contribute
current
plant
diversity.
We
analyzed
evolutionary
among
mycorrhizal
type,
dispersal
mode,
mode
two
global
databases
of
699
(database
I)
10
475
II)
tree
species.
Although
database
II
had
been
estimated
from
phylogenetic
patterns
therefore
lower
certainty
type
than
I,
whose
was
determined
by
direct
observation,
allowed
analysis
many
more
taxa
regions
I.
found
evidence
joint
evolution
all
three
features
both
databases.
This
result
is
robust
effects
sampling
bias
missing
taxa.
Most
arbuscular
mycorrhizal-associated
trees
endozoochorous
(biotic)
biotic
pollination,
with
long
distances,
whereas
ectomycorrhizal-associated
anemochorous
(abiotic)
wind
shorter
distances.
These
results
provide
a
novel
scenario
interactions,
symbiosis
types,
which
jointly
evolved
shaped
diversity
forest
ecosystem
world-wide.
Biogeosciences,
Год журнала:
2024,
Номер
21(13), С. 3201 - 3214
Опубликована: Июль 12, 2024
Abstract.
Ice-nucleating
macromolecules
(INMs)
produced
by
plant
pollen
can
nucleate
ice
at
warm
temperatures
and
may
play
an
important
role
in
weather-
climate-relevant
cloud
glaciation.
INMs
have
also
proved
useful
for
mammalian
cell
tissue
model
cryopreservation.
The
high
nucleation
(IN)
activity
of
some
indicates
underlying
biological
function,
either
freezing
tolerance
or
bioprecipitation-mediated
dispersal.
Here,
using
the
largest
study
to
date,
we
show
that
phylogenetic
proximity,
spermatophyte
subdivision,
primary
growth
biome,
pollination
season,
method,
desiccation
native
elevation
do
not
account
IN
released
from
different
species'
pollen.
results
suggest
these
are
plants
a
purpose
unrelated
incidental
ability
ice.
This
been
adapted
species
specific
purposes,
producing
exceptional
nucleators.
Pollen
be
more
active,
widespread
nature,
diverse
than
previously
thought.
Journal of Integrative Plant Biology,
Год журнала:
2024,
Номер
66(10), С. 2242 - 2261
Опубликована: Авг. 21, 2024
ABSTRACT
The
woody
bamboos
(Bambusoideae)
exhibit
distinctive
biological
traits
within
Poaceae,
such
as
highly
lignified
culms,
rapid
shoot
growth,
monocarpic
mass
flowering
and
nutlike
or
fleshy
caryopses.
Much
of
the
remarkable
morphological
diversity
across
subfamily
exists
a
single
hexaploid
clade,
paleotropical
(PWB),
making
it
ideal
to
investigate
factors
underlying
evolution
in
bamboos.
However,
origin
biogeographical
history
PWB
remain
elusive,
does
effect
environmental
on
their
characters.
We
generated
robust
time‐calibrated
phylogeny
using
nucleotide
polymorphisms
retrieved
from
optimized
double
digest
restriction
site
associated
DNA
sequencing,
explored
evolutionary
trends
habit,
inflorescence,
caryopsis
type
relation
including
climate,
soil,
topography.
inferred
that
started
diversify
Oligocene–Miocene
boundary
formed
four
major
clades,
is,
Melocanninae,
Racemobambosinae
s.l.
(comprising
Dinochloinae,
Greslanlinae,
s.str.
Temburongiinae),
Hickeliinae
Bambusinae
plus
Holttumochloinae).
ancestor
was
reconstructed
having
erect
indeterminate
inflorescence
basic
caryopsis.
characters
climbing/scrambling
determinate
nucoid/bacoid
have
since
undergone
multiple
changes
reversals
during
diversification
PWB.
all
three
correlated
with,
hence
likely
influenced
by,
aspects
topography,
with
climate
most
strongly
traits,
soil
least
so.
topography
had
more
influence
than
whereas
both
greater
bacoid
did
soil.
Our
results
provide
novel
insights
into
adaptive
for
future
ecological
research.
Summary
Seeds
are
the
main
dispersal
and
propagation
units
of
angiosperms.
Examining
relative
allocation
seed
reserves
by
quantifying
embryo
size
(ES)
at
(i.e.
to
seed)
across
angiosperms,
sets
basis
track
evolutionary
history
this
key
reproductive
trait
related
germination
timing
offspring
survival.
We
used
a
robust,
dated
phylogeny
sampling
ES
for
selected
species
most
angiosperm
families
model
macroevolution
ES.
Data
on
were
collated
from
living
specimens
primary
literature.
Early
angiosperms
typically
had
low
ES,
which
is
still
reflected
in
contemporary
magnoliids
ANA‐grade
species.
The
analysis
major
shifts
throughout
revealed
that
these
predominantly
associated
with
formation
lineages.
tempo
mode
evolution
not
constant
over
history,
paralleling
paleo‐events.
This
study
provides
crucial
new
insights
evolution,
contribute
understanding
diversification
strategies
Paleobiology,
Год журнала:
2025,
Номер
unknown, С. 1 - 21
Опубликована: Март 11, 2025
Abstract
The
Paleozoic
evolution
of
a
complex
terrestrial
biota
has
been
among
the
most
important
events
in
Earth
history.
Here,
we
synthesize
paleontological
and
neontological
information
across
different
threads
biota—including
microbial
life,
fungi,
animals,
plants—addressing
discrepancies
between
fossil
record
time-calibrated
molecular
phylogenies.
Four
fundamental
patterns
are
emphasized:
(1)
Most
animal
lineages
consist
diminutive
inhabitants
soil
litter,
with
fauna
exhibiting
remarkable
continuity
present.
(2)
Faunal
tracks
ecological
opportunities
afforded
by
land
flora.
Flora
alike
were
initially
confined
to
thin
interface
air,
but
animals
explored
both
flight
burrowing
as
vascular
plant
size
increased
encompass
tree
stature
deep
rooting.
(3)
Skewed
nutrient
ratios
plants
present
challenge
for
that
accommodated
through
contrasting
size-based
dietary
strategies.
Detritivory
cell-by-cell
herbivory
diets
readily
available
primary
consumers
impose
limits
on
largest
possible
body
sizes;
only
subsequent
insects
then
vertebrates
could
dramatic
increases
Permian
Mesozoic
have
achieved.
(4)
A
second
pulse
terrestrializations
is
apparent
Cretaceous
Cenozoic
might
be
attributed
productivity
associated
angiosperm
evolution.
However,
environmental
changes
availability
earlier
prevent
an
unambiguous
causal
attribution,
may
just
artifact
our
modern
vantage
point.
Journal of Biogeography,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
ABSTRACT
Aims
Pollination
plays
a
fundamental
role
in
structuring
the
reproductive
strategies
and
related
traits
of
host
plants.
Active
pollination
is
only
observed
nursery
mutualistic
systems.
However,
mechanisms
underlying
their
maintenance
are
unclear.
We
aimed
to
explore
factors
shaping
its
global
distribution
pattern
Ficus
species
specifically
putting
forward
three
questions:
(1)
actively‐pollinated
more
concentrated
areas
with
older
floras?
(2)
Is
active
better
represented
higher
stable,
less
seasonal
temperatures?
(3)
And
also
strongly
arid
areas?
Location
Global.
Time
Period
Current.
Major
Taxa
Studied
pollinating
fig
wasps.
Methods
Using
data
240
species,
we
constructed
maps
actively‐
passively‐pollinated
estimated
proportions
80
×
km
grid
cells.
assessed
relative
contribution
climate
conditions,
sexual
systems
phylogenetic
ages
geographic
variation
frequencies
using
spatial
autocorrelation
analysis,
linear
model
structural
equation
models.
Results
Neither
nor
passive
randomly
distributed.
Actively‐pollinated
prevalent
regions
proportion
recently
divergent
floral
elements.
at
lower
latitudes
stable
temperatures,
areas.
Main
Conclusions
Our
study
provides
comprehensive
overview
geographical
modes
species.
Both
evolutionary
history
current
distributions
modes.
lineages
that
diverged
associated
relatively
dry
warm
climates.
Journal of Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Mutualistic
interactions
are
increasingly
recognized
as
playing
an
important
role
in
community
assembly.
We
hypothesize
that
mutualisms
can
influence
the
amount
of
phylogenetic
diversity
within
plant
communities
during
test
this
hypothesis
by
comparing
among
clades
Fabaceae
(i.e.
legumes),
which
has
repeatedly
gained
and
lost
ability
to
form
mutualistic
symbiosis
with
nitrogen‐fixing
bacteria
(rhizobia).
Here,
we
analysed
global
distribution
data
for
both
native
introduced
legumes
quantified
impact
gains
losses
rhizobia
trait
on
structure
regional
legume
assemblages.
Generally,
find
assemblages
exhibit
evidence
clustering—lower
than
expected,
suggesting
species
assembly
is
generally
constrained
conservation
traits
related
More
importantly,
leveraging
naturally
existing
variation
rhizobial
symbiosis,
were
able
estimate
contribution
mutualism
patterns
clustering.
Specifically,
found
relatively
higher
contain
proportions
non‐rhizobial
legumes.
Moreover,
probability
being
recorded
a
new
range
negatively
distance
its
nearest
relative
range,
but
effect
significantly
weaker
not
symbiotic
rhizobia.
Together,
these
results
suggest
contributes
(1)
clustering
(2)
through
introduction
establishment
alien
species.
Synthesis
.
Our
support
establishing
more
strongly
compatible
locally
available
partners
true
do
symbiosis.
In
addition,
constraint
occurs
ranges.
findings
highlight
significant
(in
bacterial
rhizobia)
play
constraining
across
globe.
study
advances
theory
underscores
importance
considering
restoration
diversity.