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Difference between revisions of "Respiratory state"

From Bioblast
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|mitopedia method=Respirometry, Spectrophotometry
|mitopedia method=Respirometry, Spectrophotometry
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{{MitoPedia O2k and high-resolution respirometry}}
{{MitoPedia topics}}
[[Image:P.jpg|right|link=OXPHOS capacity|OXPHOS]] [[Image:R.jpg|right|link=ROUTINE respiration|ROUTINE]] [[Image:E.jpg|right|link=ETS capacity|ETS]] [[Image:L.jpg|right|link=LEAK respiration|LEAK]] [[Image:ROX.jpg|right|link=Residual oxygen consumption|ROX]]
[[Image:P.jpg|right|link=OXPHOS capacity|OXPHOS]] [[Image:R.jpg|right|link=ROUTINE respiration|ROUTINE]] [[Image:E.jpg|right|link=ETS capacity|ETS]] [[Image:L.jpg|right|link=LEAK respiration|LEAK]] [[Image:ROX.jpg|right|link=Residual oxygen consumption|ROX]]
== Coupling control states ==
== Coupling control states ==
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== MitoPedia: Respiratory states ==
== MitoPedia: Respiratory states ==


::::* See the complete '''[[MitoPedia: Respiratory states]]'''
::::Β» See the complete '''[[MitoPedia: Respiratory states]]'''
::::* [[MitoPedia: SUIT]]
::::Β» [[MitoPedia: SUIT]]

Revision as of 08:18, 15 May 2016


high-resolution terminology - matching measurements at high-resolution


Respiratory state

Description

Respiratory states of mitochondrial preparations and intact cells are defined in the current literature in many ways and with a diversity of terms. Mitochondrial respiratory states must be defined in terms of both, the coupling control state and the substrate control state.


Reference: Gnaiger 2014 MitoPathways


MitoPedia concepts: MiP concept, Respiratory state, SUIT concept 


MitoPedia methods: Respirometry, Spectrophotometry 

OXPHOS
ROUTINE
ETS
LEAK
ROX

Coupling control states

Coupling states and CCR of mitochondrial preparations:
Coupling states of intact cells:

Substrate control states

Substrate control states, SCR, are defined by substrate type (at saturating concentration) as pathway control states:
Control by substrate concentration: Kinetic control states:
  • Kinetic substrate or adenylate control: Kinetic studies with variation of a specific substrate (reduced substrate supplying electrons to the ETS; ADP, Pi; O2; cytochrome c) are analyzed by kinetic functions (e.g. hyperbolic), yielding apparent kinetic constants, such as Jmax, Km', c50, or p50.
  • Kinetic inhibitor control: Kinetic studies with variation of a specific inhibitor yield apparent kinetic constants, such as the KI'.

Classical respiratory states

Chance and Williams (1955):
Derived respiratory states:
Thermodynamics of irreversible processes:


MitoPedia: Respiratory states

Β» See the complete MitoPedia: Respiratory states
Β» MitoPedia: SUIT