Cell
ArticleAn extracellular chemical signal controlling phototactic behavior by D. discoideum slugs
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Proteobacterial Origin of Protein Arginine Methylation and Regulation of Complex I Assembly by MidA
2018, Cell ReportsCitation Excerpt :The cultures were purified and stored as frozen stocks. The phototaxis assay was performed using the methods developed by Fisher et al. (1981) and by Fisher and Annesley (2006). D. discoideum strains were inoculated in the center of a normal agar plate containing a lawn of E. coli B2 with 4 replicates for each strain.
Methylglyoxal upregulates Dictyostelium discoideum slug migration by triggering glutathione reductase and methylglyoxal reductase activity
2017, International Journal of Biochemistry and Cell BiologyCitation Excerpt :Vegetative D. discoideum amoebae growing on Klebsiella aerogenes lawns were harvested, washed, and inoculated at the center of charcoal agar plates. After incubation with a lateral light source for 48 h at 22 °C, phototactic slug trails were transferred to clear polyvinylchloride (PVC) discs and stained with Coomassie Blue as described previously (Fisher et al., 1981). Cellular superoxide content was measured using Nitro blue tetrazolium (NBT) salt (Bloomfield and Pears, 2003).
Heteroplasmic mitochondrial disease in Dictyostelium discoideum
2011, Biochemical PharmacologyCitation Excerpt :The significance probability P is the probability under the null hypothesis (expression is the same as in AX2 i.e. relative expression equals 1) of the observed proportion of measurements in which the relative expression was less than 1 (i.e. expression less than in AX2) Individual slugs were analysed for directions of travel using directional statistics based on the circular normal (von Mises) distribution as described previously [18,31]. The accuracy of phototaxis is defined by the concentration parameter (κ) of the circular normal (von Mises) distribution.
A Dictyostelium SH2 adaptor protein required for correct DIF-1 signaling and pattern formation
2011, Developmental BiologyCitation Excerpt :Slug trails were transferred to PVC discs, stained with Coomassie Blue and digitized. The orientation of the slug migration was analyzed using directional statistics (Fisher et al., 1981). RNA samples prepared from standing slugs of the parent and lrrB- strains were used to generate fluorescently labeled probes.
Chapter 19 Genetic analysis of phototaxis in Dictyostelium
2001, Comprehensive Series in Photosciences
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Present address: Max-Planck-Institut für Biochemie, D-8033 Martinsried bei München, Federal Republic of Germany.
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Present address: Department of Biochemistry, Faculty of Science, Australian National University, Canberra City 2601, Australia.