Microbiology Resource Announcements,
Journal Year:
2023,
Volume and Issue:
12(3)
Published: Feb. 28, 2023
The
draft
genome
sequences
of
three
"Candidatus
Symbiopectobacterium"
isolates
that
were
collected
from
New
Zealand-grown
potato
tubers
represent
the
first
report
this
proposed
taxon
in
Southern
Hemisphere.
Their
symbiosis
with
insects
and
nematodes
their
presence
on
plants
may
lead
to
new
strategies
for
pest
control
crop
management.
Biology Letters,
Journal Year:
2023,
Volume and Issue:
19(6)
Published: June 1, 2023
For
parasites
with
complex
multi-host
life
cycles,
the
facultative
truncation
of
cycle
represents
an
adaptation
to
challenging
conditions
for
transmission.
However,
why
certain
individuals
are
capable
abbreviating
their
while
other
conspecifics
not
remains
poorly
understood.
Here,
we
test
whether
conspecific
trematodes
that
either
follow
normal
three-host
or
skip
final
host
by
reproducing
precociously
(via
progenesis)
in
intermediate
differ
composition
microbiomes.
Characterization
bacterial
communities
based
on
sequencing
V4
hypervariable
region
16S
SSU
rRNA
gene
revealed
same
taxa
occur
both
and
progenetic
individuals,
independent
identity
temporal
variation.
all
phyla
recorded
our
study,
two-thirds
families,
differed
abundance
between
two
morphs,
some
achieving
higher
morph
others
morph.
Although
evidence
is
purely
correlative,
results
reveal
a
weak
association
microbiome
differences
intraspecific
plasticity
pathways.
Advances
functional
genomics
experimental
manipulation
will
allow
future
tests
significance
these
findings.
Molecular Ecology,
Journal Year:
2022,
Volume and Issue:
31(21), P. 5608 - 5617
Published: Aug. 25, 2022
Abstract
Division
of
labour
through
the
formation
morphologically
and
functionally
distinct
castes
is
a
recurring
theme
in
evolution
animal
sociality.
The
mechanisms
driving
differentiation
individuals
into
remain
poorly
understood,
especially
for
animals
forming
clonal
colonies.
We
test
association
between
microbiomes
caste
within
social
trematode
Philophthalmus
attenuatus
,
using
metabarcoding
approach
targeting
bacterial
16S
SSU
rRNA
gene.
Clonal
colonies
this
snail
hosts
comprise
large
reproductive
which
produce
dispersal
stages,
small,
non‐reproducing
soldiers
defend
colony
against
invaders.
In
extracted
directly
from
field‐collected
snails,
reproductives
harboured
more
diverse
communities
than
soldiers,
communities,
at
all
taxonomic
levels
considered.
No
single
taxon
showed
high
enough
prevalence
either
or
to
be
singled
out
as
key
driver,
indicating
that
whole
microbial
community
contributes
these
differences.
Other
were
experimentally
exposed
antibiotics
alter
their
sampled
shortly
after
treatment
weeks
later
allowing
turnover
members.
At
those
time
points,
two
still
differed
across
antibiotic
treatments;
however,
ratio
changed:
disruption
individuals,
new
likely
become
undisturbed
control
Our
results
reveal
each
has
microbiome;
whether
context
affects
microbiota,
microbes
contribute
modulating
phenotype
remains
determined.
Microbiology Resource Announcements,
Journal Year:
2023,
Volume and Issue:
12(3)
Published: Feb. 28, 2023
The
draft
genome
sequences
of
three
"Candidatus
Symbiopectobacterium"
isolates
that
were
collected
from
New
Zealand-grown
potato
tubers
represent
the
first
report
this
proposed
taxon
in
Southern
Hemisphere.
Their
symbiosis
with
insects
and
nematodes
their
presence
on
plants
may
lead
to
new
strategies
for
pest
control
crop
management.