Journal of Experimental Botany,
Год журнала:
2022,
Номер
73(18), С. 6380 - 6393
Опубликована: Авг. 29, 2022
Abstract
Plants
growing
in
nature
often
experience
fluctuating
irradiance.
However,
the
laboratory,
dynamics
of
photosynthesis
are
usually
explored
by
instantaneously
exposing
dark-adapted
plants
to
constant
light
and
examining
dark-to-light
transition,
which
is
a
poor
approximation
natural
phenomena.
With
aim
creating
better
approximation,
we
exposed
leaves
pea
(Pisum
sativum)
oscillating
measured
changes
functioning
PSI
PSII,
proton
motive
force
at
thylakoid
membrane.
We
found
that
depended
on
oscillation
period,
revealing
information
about
underlying
regulatory
networks.
As
demonstrated
for
selected
period
60
s,
regulation
tries
keep
reaction
centers
PSII
open.
present
an
evaluation
data
obtained,
discuss
involvement
particular
processes
photosynthesis.
The
forced
oscillations
provided
information-rich
fingerprint
complex
expect
future
progress
understanding
these
networks
from
experiments
involving
chemical
interventions
plant
mutants,
using
mathematical
modeling
systems
identification
control
tools.
Open Biology,
Год журнала:
2017,
Номер
7(4), С. 170050 - 170050
Опубликована: Апрель 1, 2017
In
recent
years,
an
extension
of
the
Darwinian
framework
is
being
considered
for
study
prebiotic
chemical
evolution,
shifting
attention
from
homogeneous
populations
naked
molecular
species
to
heterogeneous,
compartmentalized
and
functionally
integrated
assemblies
molecules.
Several
implications
this
shift
perspective
are
analysed
in
critical
review,
both
terms
individual
units,
which
require
adequate
characterization
as
self-maintaining
systems
with
internal
organization,
also
relation
their
collective
long-term
evolutionary
dynamics,
based
on
competition,
collaboration
selection
processes
among
those
complex
individuals.
On
these
lines,
a
concrete
proposal
set
control
mechanisms
that
must
be
coupled
bring
about
autonomous
functional
systems,
at
interface
between
chemistry
biology,
provided.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2021,
Номер
376(1820), С. 20190751 - 20190751
Опубликована: Янв. 25, 2021
We
advance
an
account
that
grounds
cognition,
specifically
decision-making,
in
activity
all
organisms
as
autonomous
systems
must
perform
to
keep
themselves
viable—controlling
their
production
mechanisms.
Production
mechanisms,
we
characterize
them,
activities
such
procuring
resources
from
environment,
putting
these
use
construct
and
repair
the
organism's
body
moving
through
environment.
Given
variable
nature
of
environment
continual
degradation
organism,
mechanisms
be
regulated
by
control
select
when
a
is
required
how
it
should
carried
out.
To
operate
on
need
procure
information
measurement
processes
evaluate
possible
actions.
They
are
making
decisions.
In
organisms,
decisions
made
multiple
different
organized
not
hierarchically
but
heterarchically.
many
cases,
they
employ
internal
models
features
with
which
organism
deal.
Cognition,
form
thus
fundamental
living
This
article
part
theme
issue
‘Basal
cognition:
conceptual
tools
view
single
cell’.
Frontiers in Physiology,
Год журнала:
2019,
Номер
10
Опубликована: Сен. 18, 2019
The
aim
of
this
paper
is
to
provide
a
theoretical
framework
understand
how
multicellular
systems
realise
functionally
integrated
physiological
entities
by
organising
their
intercellular
space.
From
perspective
centred
on
physiology
and
integration,
biological
are
often
characterised
as
organised
in
such
way
that
they
metabolic
self-production
self-maintenance.
existence
activity
components
rely
the
network
continuous
management
exchange
matter
energy
with
environment.
One
virtues
organismic
approach
focused
organisation
it
can
an
understanding
into
coherent
wholes.
Organismic
frameworks
have
been
primarily
developed
focusing
unicellular
life.
Multicellularity,
however,
presents
additional
challenges
our
systems,
related
cells
capable
live
together
higher-order
entities,
some
features
behaviours
constrained
controlled
system
realise.
Whereas
most
accounts
multicellularity
focus
cell
differentiation
increase
size
main
elements
at
level
organisation,
we
argue
these
factors
insufficient
physically
system.
Our
thesis
one
fundamental
principles
multicellularity,
which
missing
or
underdeveloped
current
accounts,
functional
In
view,
capability
be
space
plays
central
role
context,
enables
size,
even
specialised
functions
immunity.
We
extracellular
matrix
crucial
active
respect,
evolutionary
ancient
specific
(non-cellular)
control
subsystem
contributes
specification
modulate
fate
behaviour.
also
analyse
exert
upon
internal
movement
communication.
Finally,
show
involved
failures
aging
cancer.
