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Early lineage segregation of the retinal basal glia in the Drosophila eye disc.
Sci Rep
October 2020
Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan, ROC.
The retinal basal glia (RBG) is a group of glia that migrates from the optic stalk into the third instar larval eye disc while the photoreceptor cells (PR) are differentiating. The RBGs are grouped into three major classes based on molecular and morphological characteristics: surface glia (SG), wrapping glia (WG) and carpet glia (CG). The SGs migrate and divide.
View Article and Find Full Text PDFMigration and function of glia in the developing Drosophila eye.
Development
August 1999
Laboratory of Developmental Neurogenetics, Rockefeller University, New York, NY 10021, USA.
Although glial cells have been implicated widely in the formation of axon tracts in both insects and vertebrates, their specific function appears to be context-dependent, ranging from providing essential guidance cues to playing a merely facilitory role. Here we examine the role of the retinal basal glia (RBG) in photoreceptor axon guidance in Drosophila. The RBG originate in the optic stalk and have been thought to migrate into the eye disc along photoreceptor axons, thus precluding any role in axon guidance.
View Article and Find Full Text PDFMigration of glia along photoreceptor axons in the developing Drosophila eye.
Neuron
February 1994
Division of Biology, California Institute of Technology, Pasadena 91125.
We have identified a set of retinal basal glia, designated RBG cells, in the axon layer of the developing Drosophila eye disc. In vivo pulse labeling with bromodeoxyuridine shows that these cells originate in the optic stalk and migrate into the disc. In mutants lacking photoreceptor axons, RBG cells accumulate in the optic stalk, but do not invade the disc.
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