FIGURE

Fig 3

ID

ZDB-FIG-190723-1254

Publication

Lessieur et al., 2019 - Ciliary genes arl13b, ahi1 and cc2d2a differentially modify expression of visual acuity phenotypes but do not enhance retinal degeneration due to mutation of cep290 in zebrafish

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Fig 3

Cone degeneration marked by outer segment disorganization in cep290^fh297/fh297 mutants.

(A-C) Transmission electron micrographs of retinal sections from 6 month old wild-type (A) and cep290^fh297/fh297 mutant adults (B, C). Cone outer segments and mitochondria in the ellipsoids are visible in the wild-type retina. In the cep290^fh297/fh297 mutant retinas, cone outer segments are missing or disorganized (arrows) and the outer nuclear layer (ONL, white line) is reduced to 1–2 nuclei. (D, E) At higher magnification, the outer segment disc membranes are tightly stacked in wild-type retinas. In cep290^fh297/fh297mutants, numerous vesicular structures and disorganized membranes are seen in cone outer segments (bracket). Rod outer segments are largely preserved and the connecting cilia are shown (white arrowheads). Scale bars: 10 μm (A-C); 2 μm (D, E).

Expression Data

Expression Detail

Antibody Labeling

Phenotype Data

Fish:	cep290^fh297/fh297
Observed In:	retinal cone cell cone photoreceptor disc membrane retinal cone cell cone photoreceptor outer segment retinal outer nuclear layer
Stage:	Adult

Phenotype Detail

Acknowledgments

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