Results 261 to 270 of about 46,917 (300)

DNA polymerase of Dictyostelium discoideum

Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis, 1976
Only one molecular weight species of DNA polymerase was found in different developmental stages of the eukaryotic microorganism Dictyostelium discoideum. The molecular weight of this DNA polymerase is estimated to be about 127 000 by sucrose gradient centrifugation. The enzyme is present in all stages of growth and development, including dormant spores.
Edward F. Rossomando, Lucy W. Loomis, Lucy M.S. Chang   +2 more
openaire   +3 more sources

CHEMOATTRACTANT SIGNALING IN DICTYOSTELIUM DISCOIDEUM [PDF]

Annual Review of Cell and Developmental Biology, 2004
▪ Abstract  Dictyostelium is an accessible organism for studies of signaling via chemoattractant receptors. Chemoattractant-mediated signaling events and components are reviewed and presented as a series of connected modules, including excitation, inhibition, G protein–independent responses, early gene expression, inositol lipids, PH domain-containing
Pablo A. Iglesias, Yu Long, Carol L. Manahan, Peter N. Devreotes   +3 more
openaire   +2 more sources

Pacemaker mutants of Dictyostelium discoideum

Developmental Biology, 1974
Abstract In this paper, I report measurements of the time intervals between aggregation waves in two morphogenetic mutants of Dictyostelium discoideum NC-4. The mutants both have abnormal wave periodicity and their abnormalities are interpreted in terms of defects in the cellular properties which underlie wave propagation.
openaire   +3 more sources

The Inositolcycle of Dictyostelium Discoideum

1990
Transmembrane signal transduction is characterized largely by the interaction between its components: ligand, receptor on the surface of cells, G-protein subunits at the inner face of the plasma membrane, and effector enzymes. The effector enzymes may vary widely depending on the organism and the ligand, and include adenylate cyclase, guanylate cyclase,
Richard Draijer, Peter J.M. van Haastert, Anthony A. Bominaar, Jeroen van der Kaay, B. Ewa Snaar-Jagalska, Edwin Roovers, Martinus M. De Vries, Fanja Kesbeke, A. Vink, Louis C. Penning   +9 more
openaire   +2 more sources

Phagosomal Proteins of Dictyostelium discoideum

Journal of Eukaryotic Microbiology, 1997
ABSTRACT. In recognizing food particles, Dictyostelium cell‐surface molecules initiate cytoskeletal rearrangements that result in phagosome formation. After feeding D. discoideum cells latex beads, early phagosomes were isolated on sucrose step gradietns.
Rezabek, Betsy L., Rodriguez-Paris, Juan M., Cardelli, James A., Chia, Catherine P.   +3 more
openaire   +3 more sources

Rho Signaling in Dictyostelium discoideum

2016
Small GTPases of the Rho family are ubiquitous molecular switches involved in the regulation of most actin cytoskeleton dependent processes and many other processes not directly linked to actin. D. discoideum is a well-established model organism for studies of the actin cytoskeleton and its regulation by signal transduction pathways. D.
Rivero Crespo, Francisco, Xiong, Huajiang   +1 more
openaire   +4 more sources

Antisense RNA inactivation of myosin heavy chain gene expression in Dictyostelium discoideum.

Science, 1987
The role of myosin in the contraction of striated muscle cells is well known, but its importance in nonmuscle cells is not yet clear. The function of myosin in Dictyostelium discoideum has been investigated by isolating cells which specifically lack ...
D. Knecht, W. Loomis
semanticscholar   +1 more source

Mutants in Phototaxis of Dictyostelium discoideum

Nature, 1970
ONE of the more interesting behavioural characteristics of the cellular slime mould, Dictyostelium discoideum, involves the concerted migration of thousands of amoebae in a pseudoplasmodium or slug towards light. There have been several studies of the phenomenon, and the action spectrum for phototaxis has been shown1–4 to have peaks at 425 and 550 nm ...
openaire   +3 more sources

Modelling Dictyostelium discoideum Morphogenesis: the Culmination

Bulletin of Mathematical Biology, 2002
The culmination of the morphogenesis of the cellular slime mould Dictyostelium discoideum involves complex cell movements which transform a mound of cells into a globule of spores on a slender stalk. We show that cyclic AMP signalling and differential adhesion, combined with cell differentiation and slime production, are sufficient to produce the ...
Athanasius F. M. Marée, Paulien Hogeweg
openaire   +4 more sources

Calcium Signalling in Dictyostelium discoideum

2022
A thesis submitted in total fulfilment of the requirements for the degree of Doctor of Philosophy to the Department of Microbiology, Anatomy, Physiology and Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Victoria, Australia.
openaire   +1 more source