Simultaneous acclimation to nitrogen and iron scarcity in open ocean cyanobacteria revealed by sparse tensor decomposition of metatranscriptomes
Science Advances,
Journal Year:
2025,
Volume and Issue:
11(14)
Published: April 4, 2025
Microbes
respond
to
changes
in
their
environment
by
adapting
physiology
through
coordinated
adjustments
the
expression
levels
of
functionally
related
genes.
To
detect
these
shifts
situ,
we
developed
a
sparse
tensor
decomposition
method
that
derives
gene
co-expression
patterns
from
inherently
complex
whole
community
RNA
sequencing
data.
Application
metatranscriptomes
abundant
marine
cyanobacteria
Prochlorococcus
and
Synechococcus
identified
responses
scarcity
two
essential
nutrients,
nitrogen
iron,
including
increased
transporter
expression,
restructured
photosynthesis
carbon
metabolism,
mitigation
oxidative
stress.
Further,
profiles
clusters
suggest
both
populations
experience
simultaneous
iron
stresses
transition
zone
between
North
Pacific
oceanic
gyres.
The
results
demonstrate
power
our
approach
infer
organism
environmental
pressures,
hypothesize
functions
uncharacterized
genes,
extrapolate
ramifications
for
biogeochemical
cycles
changing
ecosystem.
Language: Английский
Simultaneous acclimation to nitrogen and iron scarcity in open ocean cyanobacteria revealed by sparse tensor decomposition of metatranscriptomes
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 18, 2024
Microbes
respond
to
changes
in
their
environment
by
adapting
physiology
through
coordinated
adjustments
the
expression
levels
of
functionally
related
genes.
To
detect
these
shifts
situ,
we
developed
a
sparse
tensor
decomposition
method
that
derives
gene
co-expression
patterns
from
inherently
complex
whole
community
RNA-sequencing
data.
Application
metatranscriptomes
abundant
marine
cyanobacteria
Prochlorococcus
and
Synechococcus
identified
responses
scarcity
two
essential
nutrients,
nitrogen
iron,
including
increased
transporter
expression,
restructured
photosynthesis
carbon
metabolism,
mitigation
oxidative
stress.
Further,
profiles
clusters
suggest
both
populations
experience
simultaneous
iron
stresses
transition
zone
between
North
Pacific
oceanic
gyres.
The
results
demonstrate
power
our
approach
infer
organism
environmental
pressures,
hypothesize
functions
uncharacterized
genes,
extrapolate
ramifications
for
biogeochemical
cycles
changing
ecosystem.
Teaser
New
analytical
reveals
may
help
cope
with
stressors.
Language: Английский