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High impact information on Acetabularia

  • Temperature dependence of cycloheximide-sensitive phase of circadian cycle in Acetabularia mediterranea [1].
  • Temperature is known to influence the function of the circadian regulatory system in Acetabularia, but the effect on frequency is small (Q10 approximately equal to 0.8) due to the existence of a temperature-compensating feature [1].
  • The midpoint potential for Acetabularia kinase activity in the dark is 120 +/- 10 mV and is compatible with the involvement of plastoquinone in the kinase activation via reduction of the cytochrome complex [2].
  • The occurrence of an enzyme that catalyses the conversion of cytidine into deoxycytidine was demonstrated in homogenates of Acetabularia [3].
  • This hypothesis prompted experiments aimed at defining the site of translation of thymidylate kinase in a species closely related to Acetabularia but long ago separated from it: Batophora oerstedii [4].

Biological context of Acetabularia


Anatomical context of Acetabularia


Associations of Acetabularia with chemical compounds


Gene context of Acetabularia

  • The function of the translation product of cDNA for Acetabularia vacuolar H(+)-pyrophosphatase was examined using the Saccharomyces cerevisiae VMA3-deficient strain [15].
  • Thymidylate kinase from Acetabularia. I. Properties of the enzyme [16].
  • The occurrence of a dCMP deaminase in Acetabularia mediterranea has been demonstrated [17].
  • A procedure has been developed for the simultaneous purification to apparent homogeneity of chloroplast thioredoxins f and m, and nonchloroplast thioredoxin h, from the green alga Acetabularia mediterranea [13].
  • Isolated chloroplasts of Acetabularia incorporate radioactive amino acids into more than 30 polypeptides in the light, including the apoprotein of the P700-chlorophyll a protein complex, the reaction centre core of photosystem I [Biochim. Biophys. Acta, 609. 107-120 (1980)] [18].


  1. Temperature dependence of cycloheximide-sensitive phase of circadian cycle in Acetabularia mediterranea. Karakashian, M.W., Schweiger, H.G. Proc. Natl. Acad. Sci. U.S.A. (1976) [Pubmed]
  2. The redox-controlled light-harvesting chlorophyll a/b protein kinase. Deactivation by substituted quinones. Frid, D., Gal, A., Oettmeier, W., Hauska, G., Berger, S., Ohad, I. J. Biol. Chem. (1992) [Pubmed]
  3. Enzymic ribonucleoside reduction at the non-phosphorylated level in Acetabularia. de Groot, E.J., Schweiger, H.G. J. Cell. Sci. (1985) [Pubmed]
  4. Possible translocation of a gene for thymidylate kinase from the chloroplast to the nuclear genome during evolution. de Groot, E.J., Schweiger, H.G. J. Cell. Sci. (1984) [Pubmed]
  5. Evidence for a cycloheximide-sensitive component in the biological clock of Acetabularia. Karakashian, M.W., Schweiger, H.G. Exp. Cell Res. (1976) [Pubmed]
  6. Aaknox1, a kn1-like homeobox gene in Acetabularia acetabulum, undergoes developmentally regulated subcellular localization. Serikawa, K.A., Mandoli, D.F. Plant Mol. Biol. (1999) [Pubmed]
  7. Strong homology between the small subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase of two species of Acetabularia and the occurrence of unusual codon usage. Schneider, S.U., Leible, M.B., Yang, X.P. Mol. Gen. Genet. (1989) [Pubmed]
  8. Nucleo-cytoplasmic interactions in the regulation of thymidine phosphorylation in Acetabularia. Bannwarth, H., Ikehara, N., Schweiger, H.G. Proc. R. Soc. Lond., B, Biol. Sci. (1977) [Pubmed]
  9. Circadian rhythm of polysaccharide synthesis in Acetabularia. Glory, M., Vanden Driessche, T. Arch. Int. Physiol. Biochim. (1976) [Pubmed]
  10. Dynamics and pharmacological perturbations of the endoplasmic reticulum in the unicellular green alga Acetabularia. Menzel, D. Eur. J. Cell Biol. (1994) [Pubmed]
  11. Effects of isoflurane on measurements of delayed lumininescence in Acetabularia acetabulum. Chen, W.L., Van Wijk, R., Xing, D. Luminescence : the journal of biological and chemical luminescence. (2005) [Pubmed]
  12. Regulation of UDPG pyrophosphorylase in Acetabularia mediterranea. Dillard, W.L., Graf, L., Schweiger, H.G. Eur. J. Cell Biol. (1983) [Pubmed]
  13. Isolation and characterization of different forms of thioredoxins from the green alga Acetabularia mediterranea: identification of an NADP/thioredoxin system in the extrachloroplastic fraction. Van Langendonckt, A., Vanden Driessche, T. Arch. Biochem. Biophys. (1992) [Pubmed]
  14. Poly(A)+ RNA during vegetative development of Acetabularia peniculus. Mine, I., Okuda, K., Menzel, D. Protoplasma (2001) [Pubmed]
  15. Functional expression of Acetabularia acetabulum vacuolar H(+)-pyrophosphatase in a yeast VMA3-deficient strain. Ikeda, M., Umami, K., Hinohara, M., Tanimura, Y., Ohmae, A., Nakanishi, Y., Maeshima, M. J. Exp. Bot. (2002) [Pubmed]
  16. Thymidylate kinase from Acetabularia. I. Properties of the enzyme. de Groot, E.J., Schweiger, H.G. J. Cell. Sci. (1983) [Pubmed]
  17. Deoxycytidine monophosphate deaminase in Acetabularia: properties and regulation in the early generative phase. Bannwarth, H., Ikehara, N., Schweiger, H.G. Eur. J. Cell Biol. (1982) [Pubmed]
  18. Protein synthesis by isolated Acetabularia chloroplasts. Synthesis of the two minor chlorophyll a complexes in vitro. Green, B.R. Eur. J. Biochem. (1982) [Pubmed]
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