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June 1, 1973Biochemical JournalOpen Access

Estimation of the fructose diphosphatase–phosphofructokinase substrate cycle in the flight muscle of Bombus affinis

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Population

Bumble-bee (Bombus affinis) flight muscle in vivo

Comparison

Exposure to different ambient temperatures and… vs Different temperature states

Design

Preclinical

Authors

MCMichael G. ClarkNational Institutes of HealthDBDavid P. BloxhamUniversity Hospitals Bristol NHS Foundation TrustPHPaul C. HollandUniversidade Federal de Minas Gerais

Discussion

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Implication

Temperature-dependent substrate cycling in bee muscle supports calcium regulation; leaves open translation to mammalian energetics.

Structured PICO

P
Population
Bumble-bee (Bombus affinis) flight muscle in vivo
I
Intervention
Exposure to different ambient temperatures (flight vs resting at 27, 21, and 5 degrees C) and calcium ions
C
Comparator
Different temperature states (flight vs resting at various temperatures)
O
Outcome
Substrate cycling of fructose 6-phosphate and glycolysis ratessurrogate

In bumble-bee flight muscle, substrate cycling of fructose 6-phosphate is inversely related to ambient temperature and may be regulated by sarcoplasmic calcium concentrations.

Cite This Study

Clark et al. (1973) studied this question.

synapsesocial.com/papers/6a6f34c86ceb2bbd16dfa0f7https://doi.org/10.1042/bj1340589
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pentose cycle and reducing equivalents in rat mammary-gland slices1972 · 70 citations
  2. 2Comparative Aspects of Muscle1969 · 73 citations
  3. 3The pentose phosphate pathway in rabbit liver. Studies on the metabolic sequence and quantitative role of the pentose phosphate cycle by using a system in situ1971 · 53 citations
  4. 4The calcium sensitivity of <i>ATP</i> ase activity of myofibrils and actomyosins from insect flight and leg muscles1968 · 34 citations
  5. 5The activities of fructose diphosphatase in flight muscles from the bumble-bee and role of this enzyme in heat generation1972 · 149 citations