Phosphodiesterase activity and cyclic AMP content during early germination ofMucor rouxii spores

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Incubation ofMucor rouxii spores in complex medium under aerobic conditions resulted in a very rapid transient increase in the level of soluble, low-Km cAMP phosphodiesterase. Maximum activity was reached after 2-4 min. Simultaneously, the cAMP content increased quickly, reproducing the profile exhi...

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Detalles Bibliográficos
Autor principal: Tomes, C.
Otros Autores: Moreno, S.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1990
Acceso en línea:Registro en Scopus
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Tomes, C. 
245 1 0 |a Phosphodiesterase activity and cyclic AMP content during early germination ofMucor rouxii spores 
260 |c 1990 
270 1 0 |m Tomes, C.; Departmento de Qui ́mica Biolo ́gica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Bartnicki-Garcia, Nickerson, Nutrition, growth and morphogenesis ofMucor rouxii (1962) J. Bacteriol., 83, pp. 841-858 
504 |a Beullens, Mbonyi, Geerto, Gladines, Detremerie, Jans, Thevelein, Studies on the mechanism of the glucose-induced cAMP signal in glycolysis and glucose repression-mutants of the yeastSaccharomyces cerevisiae (1988) Eur. J. Biochem., 172, pp. 227-231 
504 |a Bourret, Smith, Cyclic AMP regulation of glucose transport in germinatingPilobolus longipes spores (1987) Arch. Microbiol., 148, pp. 29-33 
504 |a Boynton, Whitfield, The role of cyclic AMP in cell proliferation: A critical assessment of the evidence (1983) Adv. Cyclic Nucleotide Res., 15, pp. 193-294 
504 |a Bradford, A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding (1976) Anal. Biochem., 72, pp. 248-254 
504 |a Cano, Ruiz-Herrera, Developmental stages during the germination ofMucor rouxii sporangiospores (1988) Exp. Mycol., 12, pp. 47-59 
504 |a Cantore, Galvagno, Passeron, Variations in the levels of cyclic adenosine 3′:5′-monophosphate and in the activities of adenylate cyclase and cyclic adenosine 3′:5′-monophosphate phosphodiesterase during aerobic morphogenesis ofMucor rouxii (1980) Arch. Biochem. Biophys., 199, pp. 312-320 
504 |a Dewerchin, Van Laere, Trehalase activity and cyclic AMP content during early development ofMucor rouxii spores (1984) J. Bacteriol., 158, pp. 575-579 
504 |a Gettys, Vine, Simonds, Corbin, Activation of the particulate lowKm phosphodiesterase of adipocytes by addition of cAMP-dependent protein kinase (1988) J. Biol. Chem., 263, pp. 10359-10363 
504 |a Houslay, Insulin, glucagon and the receptor-mediated control of cyclic AMP concentrations in liver (1986) Biochem. Soc. Trans., 14, pp. 183-193 
504 |a Kerner, Moreno, Passeron, Regulation of cyclic AMP phosphodiesterase fromMucor rouxii by phosphorylation and proteolysis (1984) Biochem. J., 219, pp. 293-299 
504 |a Macphee, Reifsnyder, Moore, Lerea, Beavo, Phosphorylation results in activation of a cAMP phosphodiesterase in human platelets (1988) J. Biol. Chem., 263, pp. 10353-10358 
504 |a Moreno, Galvagno, Passeron, Control ofMucor rouxii adenosine 3′:5′-monophosphate phosphodiesterase by phosphorylation-dephosphorylation and proteolysis (1982) Arch. Biochem. Biophys., 214, pp. 573-580 
504 |a Moreno, Passeron, Further studies on cAMP protein kinase from dimorphic fungusMucor rouxii (1980) Arch. Biochem. Biophys., 199, pp. 321-330 
504 |a Moreno, Paveto, Passeron, Multiple protein kinase activities in the dimorphic fungusMucor rouxii. Comparison with a cAMP binding protein (1977) Arch. Biochem. Biophys., 180, pp. 225-231 
504 |a Nickerson, Freer, Van Etten, Rhizopus stolonifer sporangiospores: A wet-harvested spore is not a native spore (1981) Exp. Mycol., 5, pp. 189-192 
504 |a Nikawa, Cameron, Toda, Ferguson, Wigler, Rigorous feedback control of cAMP levels inSaccharomyces cerevisiae (1987) Genes Dev., 1, pp. 931-937 
504 |a Seigelchifer, Passeron, Isolation and characterization of two protein phosphatases from the dimorphic fungusMucor rouxii (1984) Arch. Biochem. Biophys., 229, pp. 403-413 
504 |a Steiner, Parker, Kipnis, Radioimmunoassay for cyclic nucleotides. I. Preparation of antibodies and iodinated cyclic nucleotides (1972) J. Biol. Chem., 247, pp. 1106-1113 
504 |a Thevelein, Regulation of trehalase activity by phosphorylation-dephosphorylation during developmental transitions in fungi (1988) Exp. Mycol., 12, pp. 1-12 
504 |a Thompson, Brooker, Appleman, Assay of cyclic nucleotide phosphodiesterase with radioactive substrates (1974) Methods in Enzymology, 38, pp. 205-217. , J. Hardman, B.W. O'Malley, Academic Press, New York 
504 |a Tripp, Paznokas, Glucoseinitiated germination ofMucor racemosus sporangiospores (1982) J. Gen. Microbiol., 128, pp. 477-483 
520 3 |a Incubation ofMucor rouxii spores in complex medium under aerobic conditions resulted in a very rapid transient increase in the level of soluble, low-Km cAMP phosphodiesterase. Maximum activity was reached after 2-4 min. Simultaneously, the cAMP content increased quickly, reproducing the profile exhibited by phosphodiesterase. Activation of the enzymein vitro by a cAMP-dependent phosphorylation process showed that its stimulation was minimal at those times when its activity was highest. The correlation between cellular cAMP content, phosphodiesterase activity, and sensitivity of the enzyme to activation by phosphorylation suggests that thein vivo regulation of phosphodiesterase activity by cAMP-dependent phosphorylation may be the mechanism for shutoff of the cAMP signal elicited by glucose. © 1990 Academic Press, Inc.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: We acknowledge M. L. Cantore for the helpful criticism of the manuscript, P. Visconti for technical assistance in the CAMP measurement, and J. Tez6n for the generous gift of the reactive agents used in the CAMP radioimmunoassay. This work was supported by grants from the Consejo National de Investiga-ciones Cientfticas y Tecnicas (CONICET) and from the University of Buenos Aires. C.T. is a graduate fellow from the University of Buenos Aires; SM. is a career investigator from CONICET. 
593 |a Departmento de Qui ́mica Biolo ́gica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
690 1 0 |a CAMP 
690 1 0 |a MUCOR ROUXII 
690 1 0 |a PHOSPHODIESTERASE 
690 1 0 |a PHOSPHORYLATION 
690 1 0 |a CYCLIC AMP 
690 1 0 |a PHOSPHODIESTERASE 
690 1 0 |a ARTICLE 
690 1 0 |a FUNGUS 
690 1 0 |a GERMINATION 
690 1 0 |a MUCOR ROUXII 
690 1 0 |a NONHUMAN 
690 1 0 |a PHOSPHORYLATION 
690 1 0 |a SPOROGENESIS 
690 1 0 |a AMYLOMYCES ROUXII 
690 1 0 |a FUNGI 
690 1 0 |a MUCOR 
700 1 |a Moreno, S. 
773 0 |d 1990  |g v. 14  |h pp. 78-83  |k n. 1  |p Exp. Mycol.  |x 01475975  |w (AR-BaUEN)CENRE-190  |t Experimental Mycology 
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856 4 0 |u https://doi.org/10.1016/0147-5975(90)90089-C  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_01475975_v14_n1_p78_Tomes  |y Handle 
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