FIGURE

Figure 8

ID
ZDB-FIG-230522-49
Publication
Almeida et al., 2023 - Early myelination involves the dynamic and repetitive ensheathment of axons which resolves through a low and consistent stabilization rate
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Figure 8

The Rab5 and Rab11 dominant-negative mutants reduced sheath number, but not average sheath length.

(A) Representative lateral images of ventral oligodendrocytes in the spinal cord of living larvae at 4 days post fertilization (dpf) labeled by sox10:eGFP-CAAX (green) and one of the following: myrf:tagRFP, myrf:tagRFP-RAB5C, myrf:tagRFP-rab5CS36N, myrf:tagRFP-RAB7A, myrf:tagRFP-rab7AT22N, and myrf:tagRFP-RAB11A, myrf:tagRFP-rab11AS25N (all in magenta). The image and data for the control is the same as for the ventral group in Figure 1 (scale bar = 5 μm). (B) Sheath number per cell. (C) Average sheath length per cell. (D) Total sheath length per cell (myrf:tagRFP n=26 cells/26 larvae, myrf:tagRFP-RAB5C n=28 cells/28 larvae, myrf:tagRFP-rab5CS36N n=27 cells/27 larvae, myrf:tagRFP-RAB7A n=29 cells/29 larvae, myrf:tagRFP-rab7AT22N n=32 cells/32 larvae, and myrf:tagRFP-RAB11A n=30 cells/30 larvae, myrf:tagRFP-rab11AS25N n=27 cells/27 larvae). The dashed lines in each plot represent average values with all data points shown. Error bars are standard deviation. Global significance was determined using a Kruskal-Wallis test for B–D. This global p-value is shown for C since it was not significant. Post hoc multiple comparison tests were not performed for this analysis. Post hoc Dunn’s multiple comparison tests were performed to compare groups in B and D. We compared everything with the control group and compared each wild-type and associated mutant with each other. The different Rab groups were not compared with each other (see associated source data).

Expression Data

Expression Detail
Antibody Labeling
Phenotype Data

Phenotype Detail
Acknowledgments
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