Preparation, maintenance and propagation of synchronous cultures of photoactive Chlamydomonas cells
Nature Protocols,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Language: Английский
Nutrient stress triggers sugar-mediated carotenoid production in algal-bacterial interactions
World Journal of Microbiology and Biotechnology,
Journal Year:
2025,
Volume and Issue:
41(3)
Published: March 1, 2025
Language: Английский
Mycetocola to the rescue
Agustina Taglialegna
No information about this author
Nature Reviews Microbiology,
Journal Year:
2024,
Volume and Issue:
22(6), P. 324 - 324
Published: April 24, 2024
Language: Английский
A Necrotizing Toxin Promotes Pseudomonas syringae Infection Across Evolutionarily Divergent Plant Lineages
Kristina Grenz,
No information about this author
Khong‐Sam Chia,
No information about this author
Emma K Turley
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 19, 2024
ABSTRACT
The
Pseudomonas
syringae
species
complex
harbors
a
diverse
range
of
plant
pathogenic
bacteria.
While
much
the
current
understanding
P.
is
centered
on
interactions
with
flowering
plants,
less
known
about
infection
in
evolutionarily
divergent
non-flowering
lineages.
Here,
we
took
comparative
evolutionary
approach
to
understand
how
infects
distantly
related
plants.
We
identify
broad
host
isolates
causing
significant
disease
liverwort
Marchantia
polymorpha
,
fern
Ceratopteris
richardii
and
Nicotiana
benthamiana
which
last
shared
common
ancestor
over
500
million
years
ago.
demonstrate
that
phytotoxin
enriched
belonging
phylogroup
2
clade
are
particularly
virulent
relying
combination
type-3
secreted
effector
proteins
lipopeptide
syringomycin.
application
purified
syringomycin
promotes
necrosis
tissues
activates
conserved
genes
associated
redox
regulation
cell
death.
Toxin-deficient
phylogroups
normally
unable
infect
thalli
exhibit
enhanced
bacterial
growth
when
supplemented
exogenous
syringomycin,
further
highlighting
its
role
as
host-range
defining
factor
.
Collectively
our
research
reveals
key
for
promoting
colonization,
works
concert
antagonize
an
exceptionally
wide
spectrum
land
Language: Английский
Endophytic Microbes, Evolution and Diversification Of
Elsevier eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Language: Английский
Metamorphosis of a unicellular green alga in the presence of acetate and a spatially structured three‐dimensional environment
New Phytologist,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 6, 2024
Summary
Photosynthetic
protists,
named
microalgae,
are
key
players
in
global
primary
production.
The
green
microalga
Chlamydomonas
reinhardtii
is
a
well‐studied
model
organism.
In
nature,
it
dwells
acetate‐rich
paddy
rice
soil,
which
not
mimicked
by
standard
liquid
laboratory
conditions.
Here,
we
maintained
the
algae
environment
with
spatially
structured
3‐D
components
(S3‐D)
and
acetate
recreating
natural
We
perform
transcriptome
sequencing,
immunoblotting,
fluorescence
electron
microscopy,
Raman
microspectroscopy
to
characterize
S3‐D
vs
homogeneous
undergo
metamorphosis‐like
process
when
transitioned
from
aquatic
lifestyle
simulating
soil.
These
conditions
result
reduced
cell
size
cilia
length,
an
enlarged
eyespot
many
cells
double‐layered
walls.
RNA‐Seq
reveals
alterations
c
.
2400
transcripts.
Four
photoreceptors
including
CRY‐DASH1
phototropin
governing
plastid
metabolism
along
its
altered
their
protein
expression.
Consequently,
photosynthetic
pigments,
lipids
starch
levels
vary
as
do
distribution
patterns.
Fitness
against
antagonistic
bacteria
enhanced
concurrently
downregulation
of
involved
Ca
2+
channel
transcript.
This
study
highlights
profound
impact
initiating
processes
inaccessible
under
Thus,
overexpression
lines
for
certain
naturally
created.
Language: Английский