Sediment DNA can revolutionize archaeology—if it is used the right way
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(26)
Published: June 20, 2024
This
study
unravels
a
concerning
capability
in
Large
Language
Models
(LLMs):
the
ability
to
understand
and
induce
deception
strategies.
As
LLMs
like
GPT-4
intertwine
with
human
communication,
aligning
them
values
becomes
paramount.
...Large
language
models
(LLMs)
are
currently
at
forefront
of
intertwining
AI
systems
communication
everyday
life.
Thus,
is
great
importance.
However,
given
steady
increase
reasoning
abilities,
...
Language: Английский
Tibetan terrestrial and aquatic ecosystems collapsed with cryosphere loss inferred from sedimentary ancient metagenomics
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(21)
Published: May 23, 2024
Glacier
and
permafrost
shrinkage
land-use
intensification
threaten
mountain
wildlife
affect
nature
conservation
strategies.
Here,
we
present
paleometagenomic
records
of
terrestrial
aquatic
taxa
from
the
southeastern
Tibetan
Plateau
covering
last
18,000
years
to
help
understand
complex
alpine
ecosystem
dynamics.
We
infer
that
steppe-meadow
became
woodland
at
14
ka
(cal
BP)
controlled
by
cryosphere
loss,
further
driving
a
herbivore
change
wild
yak
deer.
These
findings
weaken
hypothesis
top-down
control
large
herbivores
in
ecosystem.
find
turnover
communities
ka,
transitioning
glacier-related
(blue-green)
algae
abundant
nonglacier-preferring
picocyanobacteria,
macrophytes,
fish,
otters.
There
is
no
evidence
for
substantial
effects
livestock
herding
either
Using
network
analysis,
assess
stress-gradient
reveal
root
hemiparasitic
cushion
plants
are
keystone
taxa.
With
ongoing
protection
their
habitats
likely
be
benefit
on
Plateau.
Language: Английский
Reconciling the role of mineral surfaces for bacterial evolution: Importance of minerals in the dissemination of antibiotic resistance
Saghar Hendiani,
No information about this author
Carlota Carbajo,
No information about this author
Pablo Nicolas Arellano Caicedo
No information about this author
et al.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
962, P. 178301 - 178301
Published: Jan. 1, 2025
Language: Английский
Neolithic pastoralism and plant community interactions at high altitudes of the Pyrenees, southern Europe
Communications Earth & Environment,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Jan. 24, 2025
Language: Английский
The Impact of Flow Velocity on Environmental DNA Detectability for the Application in River Systems
Jelle A. Dercksen,
No information about this author
Jan Willem Foppen,
No information about this author
Astrid Blom
No information about this author
et al.
Environmental DNA,
Journal Year:
2025,
Volume and Issue:
7(3)
Published: May 1, 2025
ABSTRACT
Organisms
perpetually
release
genetic
material
in
their
surroundings,
referred
to
as
environmental
DNA
(eDNA),
which
can
be
captured
and
subsequently
analyzed
detect
biodiversity
across
the
tree
of
life.
In
lotic,
dynamic
environments,
little
is
known
about
specific
factors
that
affect
concentration
eDNA
between
by
host
its
dissemination
into
environment.
This
gap
knowledge
introduces
significant
uncertainty
when
applying
a
monitoring
tool.
Our
objective
provide
insight
on
concentrations
ecosystems
representative
rivers
streams.
To
this
end,
we
conducted
series
laboratory
experiments
rotating
circular
(annular)
flume,
allows
for
extended
degradation
under
conditions
flow.
Here,
show
flow
velocity
impacts
observed
over
time.
results
suggest
flow‐induced
transport
keeps
suspension,
reducing
removal
from
water
column,
increased
eDNA.
We
temporary
increase
early
phase
flume
experiment
with
highest
velocity.
seems
due
combination
low
rates
high
shear
stress,
fragment
homogenize
particles
column.
The
our
study
importance
better
understanding
assessing
detection
probability
eDNA,
both
controlled
larger‐scale
conditions.
Language: Английский
The potential of lacustrine sedimentary ancient DNA for revealing human postglacial recolonization patterns in northern Sweden – a review
Boreas,
Journal Year:
2024,
Volume and Issue:
53(3), P. 347 - 359
Published: May 26, 2024
The
postglacial
recolonization
of
Fennoscandian
flora
and
fauna
was
initiated
when
the
land
became
accessible
as
last
ice
sheet
retreated.
In
northern
Sweden,
plants
are
represented
in
pollen
macrofossil
records,
but
there
is
no
genetic
evidence
from
first
plants,
animals
or
humans
region,
mainly
owing
to
an
absence
osteological
finds.
questions
who
peoples,
pioneers,
were
where
they
came
therefore
remain
unanswered.
Previous
palaeogenomic
analyses
remains
adjacent
regions
have
suggested
that
two
main
routes
into
Sweden
could
been
taken
by
one
SW
through
modern‐day
Denmark
Norway,
east
via
Finland.
However,
direct
pioneers
exists.
Modern
technology
has
provided
ancient
DNA
field
with
updated
toolbox
allow
for
novel
approaches
revealing
origin
profiles
Scandinavians,
which
sedimentary
(sedaDNA)
well
placed.
Lake
sediments
now
a
routine
source
sedaDNA
used
record
environmental
changes
detect
species
lived
surrounding
lake
catchment.
This
review
will
provide
context
background,
summary
ground‐breaking
studies
within
lacustrine
sedaDNA,
relevant
methodology
address
scientific
at
hand.
We
conclude
mature
enough
insight
origins
arrival
times
migrated
Sweden.
Language: Английский
SedaDNA reveals mid-to late Holocene aquatic plant and algae changes in Luanhaizi Lake on the Tibetan Plateau
Hanqiu Xu,
No information about this author
Lian‐Fang Feng,
No information about this author
Naimeng Zhang
No information about this author
et al.
Palaeogeography Palaeoclimatology Palaeoecology,
Journal Year:
2024,
Volume and Issue:
650, P. 112344 - 112344
Published: June 22, 2024
Language: Английский
Sample Preservation Solution Increases Nucleic Acid Yield and Environmental RNA Quality in Sediments Across an Estuarine Salinity Gradient
Environmental DNA,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: Sept. 1, 2024
ABSTRACT
Environmental
nucleic
acid‐based
assessments
are
powerful
tools
for
understanding
microbial
ecology,
and
environmental
degradation
in
aquatic
environments.
This
approach
is
particularly
useful
guiding
restoration
estuaries,
some
of
the
most
degraded
ecosystems
world.
The
recent
popularity
this
has
been
accompanied
by
a
parallel
increase
diversity
applied
methods.
A
range
best
practice
methods
exist
across
field
that
can
be
employed
selected
based
on
considerations
such
as
physicochemical
gradients,
maximizing
yield,
quality
acids
sampled
sites
within
study
area.
consistent
to
intra‐study
acid
sampling
also
ensures
accurate
comparison
between
those
sites.
evaluates
(eNA)
salinity
gradients
ecosystems,
focusing
impact
preservation
techniques
DNA
(eDNA)
yield
RNA
(eRNA)
quality.
Fieldwork
was
conducted
at
three
Coorong
estuary
system
South
Australia,
representing
low
salinity,
marine,
hypersaline
conditions.
Snap
freezing
LifeGuard
solution
treatments
were
situ
compare
their
effects
yields
eRNA
integrity.
enhanced
eDNA
sediments
but
negatively
impacted
integrity
marine
Conversely,
treatment
with
consistently
improved
both
recovery
all
levels,
which
makes
good
candidate
preserving
eNA
molecules
gradients.
underscores
necessity
tailoring
sample
specific
conditions
eNA‐based
community
coastal
ecosystems.
These
findings
contribute
development
robust
protocols
benthic
communities
under
varying
Language: Английский
The sedaDNA revolution and archaeology: Progress, challenges, and a research agenda
Journal of Archaeological Science,
Journal Year:
2024,
Volume and Issue:
174, P. 106132 - 106132
Published: Dec. 18, 2024
Language: Английский
eProbe: a capture probe design toolkit for genetic diversity reconstructions from ancient environmental DNA
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Abstract
Ancient
environmental
DNA
(aeDNA)
is
now
commonly
used
in
paleoecology
and
evolutionary
ecology,
yet
due
to
difficulties
gaining
sufficient
genome
coverage
on
individual
species
from
metagenome
data,
its
genetic
perspectives
remain
largely
uninvestigated.
Hybridization
capture
has
proven
as
an
effective
approach
for
enriching
the
of
target
species,
thus
increasing
sequencing
data
enabling
population
genetics
analysis.
However,
date
there
no
tool
available
designing
probe
sets
tailored
aeDNA
based
genetics.
Here
we
present
eProbe
,
efficient,
flexible
easy-to-use
program
toolkit
that
provides
a
complete
workflow
design,
assessment
validation.
By
benchmarking
set
foxtail
millet,
annual
grass,
made
by
workflow,
demonstrate
remarkable
increase
capturing
efficiency,
with
taxa
recovery
rate
improved
577-fold,
achieved
soil
capture-sequencing
even
higher
than
directly
shotgun
sequenced
plant
tissues.
Probes
underwent
our
filtering
panels
show
notably
efficiency.
The
enabled
accurate
analysis,
effectively
inferring
fine-scale
structures
patterns,
well
genotypes
functional
genes.
Language: Английский