bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2020,
Volume and Issue:
unknown
Published: Oct. 8, 2020
A
bstract
The
microbes
residing
within
the
gut
of
an
animal
host
often
increase
their
own
fitness
by
modifying
host’s
physiological,
reproductive,
and
behavioural
functions.
Whereas
recent
studies
suggest
that
they
may
also
shape
sociality
therefore
have
critical
effects
on
social
evolution,
impact
microbiota
maternal
care
remains
unexplored.
This
is
surprising,
as
this
behaviour
widespread
among
animals,
determines
both
juveniles
parents,
essential
in
evolution
complex
societies.
Here,
we
tested
whether
life-long
alterations
with
rifampicin
-
a
broad-spectrum
antibiotic
impair
pre-
post-hatching
European
earwig.
Our
results
first
confirm
altered
mothers’
microbial
communities
indicate
composition
differs
before
after
egg
care.
Contrary
to
our
predictions,
however,
rifampicin-induced
did
not
modify
or
Independent
care,
increased
females’
feces
production
resulted
lighter
eggs
juveniles.
By
contrast,
none
other
21
reproductive
longevity
traits
measured
over
300
days
female’s
lifetime.
Overall,
these
findings
reveal
altering
large
spectrum
such
does
necessarily
affect
sociality.
They
emphasize
all
animals
evolved
co-dependence
call
for
caution
when
generalizing
central
role
biology.
Biomass,
Journal Year:
2024,
Volume and Issue:
4(1), P. 180 - 201
Published: March 1, 2024
The
hunt
for
renewable
and
alternative
fuels
has
driven
research
towards
the
biological
conversion
of
lignocellulosic
biomass
(LCB)
into
biofuels,
including
bioethanol
biohydrogen.
Among
natural
utilization
systems
(NBUS),
termites
represent
a
unique
easy-to-access
model
system
to
study
host–microbe
interactions
lignocellulose
bioconversion/valorization.
Termites
have
gained
significant
interest
due
their
highly
efficient
lignocellulolytic
systems.
wood-feeding
apply
stepwise
process
hydrolysis
lignin,
hemicellulose,
cellulose
via
biocatalytic
processes;
therefore,
mimicking
digestive
metabolism
physiochemical
gut
environments
might
lay
foundation
an
innovative
design
nature-inspired
biotechnology.
This
review
highlights
termites,
particularly
species,
as
future
biorefinery.
is
treasure-trove
prospecting
novel
microbial
protists,
bacteria,
fungi,
having
higher
efficiencies
biotechnological
potentials.
significance
potential
bacteria
fungi
harnessing
enzymes
appropriate
biorefinery
also
discussed.
Termite
digestomes
are
rich
sources
lignocellulases
related
that
could
be
utilized
in
various
industrial
processes
biomass-related
applications.
Consideration
host
symbiont
single
functioning
unit
will
one
most
crucial
strategies
expedite
developments
termite-modeled
biotechnology
future.
Behavioral Ecology,
Journal Year:
2024,
Volume and Issue:
35(3)
Published: March 28, 2024
Abstract
The
reasons
why
some
individuals
are
solitary,
and
others
gregarious
the
subject
of
ongoing
debate
as
we
seek
to
understand
emergence
sociality.
Recent
studies
suggest
that
expression
aggregation
behaviors
may
be
linked
gut
microbiota
host.
Here,
tested
this
hypothesis
in
females
European
earwig.
This
insect
is
ideal
for
addressing
question,
adults
both
naturally
vary
degree
which
they
live
groups
show
interindividual
variation
their
microbial
communities.
We
video-tracked
320
field-sampled
quantify
natural
then
whether
most
least
had
different
microbiota.
also
compared
general
activity,
boldness,
body
size,
condition
these
examined
association
between
each
traits
Contrary
our
predictions,
found
no
difference
females.
There
was
two
types
Independent
aggregation,
overall
associated
with
female
condition,
but
not
any
other
measurements.
Overall,
results
demonstrate
a
host’s
necessarily
major
driver
or
consequence
behavior
species
inter-individual
group
living
call
future
investigate
determinants
role
earwigs.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: May 22, 2024
The
wood-feeding
termite,
Coptotermes
formosanus,
presents
an
efficient
lignocellulolytic
system,
offering
a
distinctive
model
for
the
exploration
of
host-microbial
symbiosis
towards
lignocellulose
degradation.
Despite
decades
investigation,
understanding
diversity,
community
structure,
and
functional
profiles
bacterial
symbionts
within
specific
gut
regions,
particularly
foregut
midgut
C.
remains
largely
elusive.
In
light
this
knowledge
gap,
our
efforts
focused
on
elucidating
composition
functions
symbiotic
bacteria
inhabiting
foregut,
midgut,
hindgut
formosanus
via
metagenomics.
termite
harbored
diverse
encompassing
352
genera
26
known
phyla,
exhibiting
uneven
distribution
across
regions.
Notably,
displayed
higher
relative
abundance
phyla
such
as
Bacteroidetes
(56.9%)
Spirochetes
(23.3%).
contrast,
were
predominantly
occupied
by
Proteobacteria
(28.9%)
Firmicutes
(21.2%)
after
Bacteroidetes.
unique
like
Candidate
phylum_TM6
Armatimonadetes.
At
family
level,
Porphyromonadaceae
(28.1,
40.6,
53.5%
in
hindgut,
respectively)
Spirochaetaceae
(foregut
=
9%,
16%,
21.6%)
emerged
dominant
families
termite's
Enriched
operational
taxonomic
units
(OTUs)
most
abundant
(28),
followed
(14),
while
exhibited
enrichment
only
two
OTUs.
Furthermore,
analyses
revealed
distinct
influences
various
metabolic
pathways,
carbohydrate
energy
metabolisms
host.
Overall,
these
results
underscore
significant
variations
structure
among
different
regions
suggesting
roles
bacteria,
thereby
inspiring
further
investigations
to
resolve
crosstalk
between
host
microbiomes
individual
gut-regions
termite.
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 1, 2025
ABSTRACT
Coral
reefs
worldwide
are
threatened
by
increasing
ocean
temperatures
because
of
the
sensitivity
coral‐algal
symbiosis
to
thermal
stress.
Reef‐building
corals
form
symbiotic
relationships
with
dinoflagellates
(family
Symbiodiniaceae),
including
those
species
which
acquire
their
initial
symbiont
complement
predominately
from
parents.
Changes
in
composition
communities,
through
mechanisms
shuffling
or
switching,
can
modulate
host's
limits.
However,
role
coral
acclimatization
heat
is
understudied
offspring
and
date
has
largely
focused
on
adults.
To
quantify
potential
fitness
benefits
consequences
changes
communities
under
a
simulated
heatwave
early
life‐history
stages,
we
exposed
larvae
juveniles
widespread,
vertically
transmitting
coral,
Montipora
digitata
,
stress
(32°C)
tracked
growth,
survival,
photosynthetic
efficiency,
community
over
time
relative
controls.
We
found
negative
impacts
warming
all
fitness‐related
traits,
varied
significantly
among
larval
families
across
stages.
Larvae
that
survived
exposure
exhibited
favored
symbionts
canonically
more
tolerant.
Compared
larvae,
showed
rapid
mortality
were
fixed
regardless
temperature
treatment,
suggesting
an
inability
alter
as
acclimatory
response
Taken
together,
these
findings
suggest
capacity
for
may
be
modified
ontogeny,
juvenile
life
stage
less
flexible
at
risk
climate
this
species.
Insects,
Journal Year:
2025,
Volume and Issue:
16(3), P. 325 - 325
Published: March 19, 2025
Termites
are
eusocial
insects
with
functionally
specialized
workers
and
soldiers,
both
sharing
the
same
genotype.
Additionally,
lower
termites
host
flagellates
in
their
hindguts
that
assist
wood
digestion.
However,
worker-biased
soldier-biased
gene
expression
patterns
of
host–flagellate
symbiotic
system
remain
underexplored
most
taxonomic
groups.
In
this
study,
we
sequenced
high-depth
transcriptomes
from
soldiers
a
termite,
Neotermes
binovatus
(Kalotermitidae),
to
investigate
differentially
expressed
termite
transcripts,
flagellate
transcript
abundance,
co-expression
pairs
castes.
The
transcripts
were
enriched
functions
related
cuticle
development,
nervous
regulation,
pheromone
biosynthesis,
metabolism,
whereas
predominantly
involved
muscle
development
kinesis,
body
morphogenesis,
protein
modification,
aggression.
Flagellate
orders
Cristamonadida,
Trichomonadida,
Tritrichomonadida,
Oxymonadida
identified
abundance
tending
be
higher
than
soldiers.
Furthermore,
observed
much
larger
number
strong
correlations
between
suggesting
possibility
depend
more
on
food
processed
by
worker
holobionts
own
system.
This
research
provides
insights
into
functional
specialization
soldier
castes
termites,
supporting
workers’
roles
nest
maintenance,
preliminary
processing,
communication,
while
emphasizing
defensive
role
it
offers
new
perspectives
potential
termite-flagellate
interactions
underscores
need
for
whole-genome
data
further
studies.
Asia-Pacific Journal of Molecular Biology and Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 41 - 53
Published: April 10, 2025
The
symbiotic
relationship
between
termites
and
their
gut
microbes
is
one
of
nature's
most
fascinating
mutualistic
interactions.
Termites,
renowned
for
ability
to
decompose
lignocellulosic
materials
such
as
wood,
rely
heavily
on
microbiota,
which
includes
bacteria,
archaea,
protozoa,
each
playing
specific
roles
in
breaking
down
cellulose,
hemicellulose,
lignin.
This
complex
partnership
not
only
enables
thrive
low-nutrient
environments
but
also
supports
nitrogen
metabolism
provides
essential
nutrients
survival.
termite
highly
compartmentalized,
creating
various
microenvironments
that
support
diverse
microbial
communities
facilitate
metabolic
processes,
including
fermentation
anoxic
conditions.
Shaped
by
evolutionary
pressures,
this
has
resulted
specialized
adaptations
optimize
lignocellulose
degradation
cycling.
review
explores
the
mechanisms
termite-microbe
symbiosis,
functional
across
different
taxa,
structural
compartmentalization
gut,
dynamics
driving
relationship.
In
addition,
highlights
ecological
biotechnological
significance
offering
valuable
insights
into
efficient
nutrient
recycling
could
inspire
future
applications
sustainable
bioenergy
waste
management.