Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Jan. 14, 2020
Abstract
Environmental
DNA
(eDNA)
analysis
allows
the
simultaneous
examination
of
organisms
across
multiple
trophic
levels
and
domains
life,
providing
critical
information
about
complex
biotic
interactions
related
to
ecosystem
change.
Here
we
used
multilocus
amplicon
sequencing
eDNA
survey
biodiversity
from
an
eighteen-month
(2015–2016)
time-series
seawater
samples
Monterey
Bay,
California.
The
resulting
dataset
encompasses
663
taxonomic
groups
(at
Family
or
higher
rank)
ranging
microorganisms
mammals.
We
inferred
changes
in
composition
communities,
revealing
putative
among
taxa
identifying
correlations
between
these
communities
environmental
properties
over
time.
Community
network
provided
evidence
expected
predator-prey
relationships,
linkages,
seasonal
shifts
all
life.
conclude
that
eDNA-based
analyses
can
provide
detailed
marine
dynamics
identify
sensitive
biological
indicators
suggest
inform
conservation
strategies.
Environmental Microbiology,
Journal Year:
2020,
Volume and Issue:
23(4), P. 1812 - 1829
Published: Sept. 21, 2020
Summary
The
plant
endosphere
is
colonized
by
complex
microbial
communities
and
microorganisms,
which
colonize
the
interior
at
least
part
of
their
lifetime
are
termed
endophytes.
Their
functions
range
from
mutualism
to
pathogenicity.
All
organs
tissues
generally
bacterial
endophytes
diversity
composition
depend
on
plant,
organ
its
physiological
conditions,
growth
stage
as
well
environment.
Plant‐associated
in
particular
endophytes,
have
lately
received
high
attention,
because
increasing
awareness
importance
host‐associated
microbiota
for
functioning
performance
host.
Some
endophyte
known
mostly
lab
assays,
genome
prediction
few
metagenome
analyses;
however,
we
limited
understanding
planta
activities,
particularly
considering
micro‐environments
dynamics
conditions.
In
our
review,
present
recent
findings
environments,
conditions
colonization.
Furthermore,
discuss
functions,
interaction
between
plants
methodological
limitations
research.
We
also
provide
an
outlook
needs
future
research
improve
role
colonizing
traits
ecosystem
functioning.
Journal of Neuroscience,
Journal Year:
2020,
Volume and Issue:
40(14), P. 2960 - 2974
Published: Feb. 24, 2020
Chronic
neuroinflammation
with
sustained
microglial
activation
occurs
following
severe
traumatic
brain
injury
(TBI)
and
is
believed
to
contribute
subsequent
neurodegeneration
neurological
deficits.
Microglia,
the
primary
innate
immune
cells
in
brain,
are
dependent
on
colony
stimulating
factor
1
receptor
(CSF1R)
signaling
for
their
survival.
In
this
preclinical
study,
we
examined
effects
of
delayed
depletion
chronically
activated
microglia
functional
recovery
up
3
months
postinjury.
A
CSF1R
inhibitor,
Plexxikon
(PLX)
5622,
was
administered
adult
male
C57BL/6J
mice
at
month
after
controlled
cortical
impact
remove
microglia,
inhibitor
withdrawn
1-week
later
allow
repopulation.
Following
TBI,
repopulated
displayed
a
ramified
morphology
similar
that
Sham
uninjured
mice,
whereas
vehicle-treated
TBI
showed
typical
chronic
posttraumatic
hypertrophic
morphology.
PLX5622
treatment
limited
TBI-associated
neuropathological
changes
postinjury;
these
included
smaller
lesion,
reduced
hippocampal
neuron
cell
death,
decreased
NOX2-
NLRP3
inflammasome-associated
neuroinflammation.
Furthermore,
led
widespread
transcriptome
altered
gene
pathways
involved
neuroinflammation,
oxidative
stress,
neuroplasticity.
Using
variety
complementary
neurobehavioral
tests,
PLX5622-treated
also
had
improved
long-term
motor
cognitive
function
through
Together,
studies
demonstrate
phase
removal
neurotoxic
using
inhibitors
markedly
reduce
associated
neurodegeneration,
as
well
related
SIGNIFICANCE
STATEMENT
Traumatic
debilitating
disorder
can
seriously
patient's
quality
life.
Microglial-mediated
induced
contributes
deficits
on-going
neurodegenerative
processes.
Here,
investigated
effect
breaking
neuroinflammatory
loop
1-month
by
pharmacological
5622.
Overall,
show
short-term
elimination
during
followed
repopulation
results
improvements
function,
suppression
stress
pathways,
reduction
persistent
These
clinically
relevant
support
new
concepts
therapeutic
window
may
be
far
longer
than
traditionally
if
evolving
microglial-mediated
inhibited
or
regulated
precise
manner.
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Jan. 14, 2020
Abstract
Environmental
DNA
(eDNA)
analysis
allows
the
simultaneous
examination
of
organisms
across
multiple
trophic
levels
and
domains
life,
providing
critical
information
about
complex
biotic
interactions
related
to
ecosystem
change.
Here
we
used
multilocus
amplicon
sequencing
eDNA
survey
biodiversity
from
an
eighteen-month
(2015–2016)
time-series
seawater
samples
Monterey
Bay,
California.
The
resulting
dataset
encompasses
663
taxonomic
groups
(at
Family
or
higher
rank)
ranging
microorganisms
mammals.
We
inferred
changes
in
composition
communities,
revealing
putative
among
taxa
identifying
correlations
between
these
communities
environmental
properties
over
time.
Community
network
provided
evidence
expected
predator-prey
relationships,
linkages,
seasonal
shifts
all
life.
conclude
that
eDNA-based
analyses
can
provide
detailed
marine
dynamics
identify
sensitive
biological
indicators
suggest
inform
conservation
strategies.