Development and migration of the C. elegans Q neuroblasts and their descendants

Teije C Middelkoop, Hendrik C Korswagen

Research output: Contribution to journal/periodicalArticleScientificpeer-review

29 Citations (Scopus)


During the first stage of larval development, the Q neuroblasts and their descendants migrate to well-defined positions along the anteroposterior body axis, where they differentiate into sensory neurons and interneurons. The two Q neuroblasts are initially present at similar positions on the left and right lateral side, but this symmetry is broken when the Q neuroblast on the left side (QL) polarizes towards the posterior and the Q neuroblast on the right side (QR) towards the anterior. This left-right asymmetry is maintained when the descendants of the two Q neuroblasts migrate to their final positions in the posterior and anterior. The mechanisms that establish this asymmetry and control the migration of the Q descendants along the anteroposterior axis are surprisingly complex and include interplay between Wnt signaling pathways, homeotic genes, and the basic cell migration and polarity machinery. Here, we will give an overview of what is currently known about the mechanisms that mediate and control the development and migration of the Q neuroblasts and their descendants.

Original languageEnglish
Pages (from-to)1-23
Number of pages23
Publication statusPublished - 2014


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