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Ascaris suum metabolism

Metabolic Transitions and the Role of the Pyruvate Dehydrogenase Complex During Development of Ascaris suum... [Pg.277]

The parasitic nematode, Ascaris suum, undergoes a number of well-characterized metabolic transitions during its development (Table 14.1), but little is known about the regulation of these events (Barrett, 1976 Komuniecki and Komuniecki, 1995). Adults reside in the porcine small intestine and fertilization takes place under low oxygen tensions. The unembryonated egg that leaves the host is metabolically quiescent, has no detectable cytochrome oxidase activity or ubiquinone and appears to be transcriptionally inactive (Cleavinger et al., 1989 Takamiya et al., 1993). Embryonation requires oxygen and after about 48-72 h is accompanied by... [Pg.277]

Table 14.1. Metabolic transitions during the development of Ascaris suum. Table 14.1. Metabolic transitions during the development of Ascaris suum.
Komuniecki, R. and Komuniecki, P.R. (1995) Aerobic-anaerobic transitions in energy metabolism during the development of the parasitic nematode Ascaris suum. In Boothroyd, J.C. and Komuniecki, R. (eds) Molecular Approaches to Parasitolog. Wiley-Liss, New York, pp. 109-121. [Pg.289]

Urban, J.F. Jr and Douvres, F.W. (1981) In vitro development of Ascaris suum from third- to fourth-stage larvae and detection of metabolic antigens in multi-well culture systems. Journal of Parasitology 67, 800-806. [Pg.291]

Vanover, L. and Komuniecki, P.R. (1989) Effect of gas phase on carbohydrate metabolism of Ascaris suum larvae. Molecular Biochemical Parasitology 36, 29-40. [Pg.291]

Arevalo, J.I. and Saz, H.J. (1992) Effects of cholinergic agents on the metabolism of choline in muscle from Ascaris suum. Journal of Parasitology 78, 387-392. [Pg.472]

Fig. 5.2. Possible metabolic pathways in facultative anaerobic mitochondria. Shaded boxes show components of the electron-transport chain used during hypoxia, open boxes are components used during aerobiosis, and the hatched boxes (complex I and ATP-synthase) are components used under aerobic as well as anaerobic conditions. ASCT acetate succinate CoA-transferase, C cytochrome c, Cl, CIII and CIV complexes I, III and IV of the respiratory chain, CITR citrate, ECR enoyl-CoA reductase (such as present in Ascaris suum), ETF electron-transfer flavoprotein, ETF RQ OR electron-transfer flavoproteimrhodoquinone oxidoreductase, FRD fumarate reductase, FUM fumarate, MAE malate, OXAC oxaloacetate, PYR pyruvate, RQ rhodoquinone, SDH succinate dehydrogenase, SUCC succinate, Succ-CoA succinyl-CoA, TER trans-2-enoyl-CoA reductase (such as present in E. gracilis), UQ ubiquinone... Fig. 5.2. Possible metabolic pathways in facultative anaerobic mitochondria. Shaded boxes show components of the electron-transport chain used during hypoxia, open boxes are components used during aerobiosis, and the hatched boxes (complex I and ATP-synthase) are components used under aerobic as well as anaerobic conditions. ASCT acetate succinate CoA-transferase, C cytochrome c, Cl, CIII and CIV complexes I, III and IV of the respiratory chain, CITR citrate, ECR enoyl-CoA reductase (such as present in Ascaris suum), ETF electron-transfer flavoprotein, ETF RQ OR electron-transfer flavoproteimrhodoquinone oxidoreductase, FRD fumarate reductase, FUM fumarate, MAE malate, OXAC oxaloacetate, PYR pyruvate, RQ rhodoquinone, SDH succinate dehydrogenase, SUCC succinate, Succ-CoA succinyl-CoA, TER trans-2-enoyl-CoA reductase (such as present in E. gracilis), UQ ubiquinone...
Komuniecki R, McCrury J, Thissen J, Rubin N (1989) Electron-transfer flavoprotein from anaerobic Ascaris suum mitochondria and its role in NADH-dependent 2-methyl branched-chain enoyl-CoA reduction. Biochim Biophys Acta 975 127-131 Komuniecki R, Harris BG (1995) Carbohydrate and energy metabolism in helminths. In Marr JJ, Muller M (eds) Biochemistry and molecular biology of parasites. Academic, London, pp 49-66... [Pg.102]

Donahue, M. J., Yacoub, N. J., Kaeini, M. R. and Harris, B. G. (1981) Activity of enzymes regulating glycogen metabolism in perfused muscle-cuticle sections of Ascaris suum (Nematoda). J. Parasitol. 67 362-367. [Pg.62]

Komuniecki, R., Campbell, T. and Rubin, N. (1987) Anaerobic metabolism in Ascaris suum acyl CoA intermediates in isolated mitochondria synthesizing 2-methyl branched-chain fatty acids. Mol. Biochem. Parasitol. 24 147-154. [Pg.65]

Douch PGC, Blair SSB (1975) The metabolism of foreign compounds in the cestode, Moniezia expansa, and the nematode, A scans lumbricoides var suum. Xenobiotica 5 279-292 Douch PGC, Buchanan LL (1978) Glutathione conjugation of some xenobiotics hy Ascaris suum and Moniezia expansa. Xenobiotica 8 171-176... [Pg.167]

P. G. C. Douch, H. M. Gahagan, The Metabolism of Niclosamine and Related Compounds by Moniezia expansa, Ascaris lumbricoides var suum, and Mouse and Sheep-Liver Enzymes , Xenobiotica 1977, 7, 301-307. [Pg.175]

Dixon DR, Jones IM, Harrison FL (1985) Cytogenetic evidence of inducible processes linked with metabolism of a xenobiotic chemical in adult and larval Mytilus edulis. Sci Total Environ 46 1-8 Douch PGC (1976) Azo- and nitro-reductase activities and cytochromes of Ascaris lumbricoides var. suum and Moniezia expansa. Xenobiotica 6 531-536... [Pg.166]

See other pages where Ascaris suum metabolism is mentioned: [Pg.57]    [Pg.49]    [Pg.60]    [Pg.60]    [Pg.300]    [Pg.304]    [Pg.54]    [Pg.173]   
See also in sourсe #XX -- [ Pg.270 , Pg.271 ]



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