In:
Development, The Company of Biologists, Vol. 130, No. 6 ( 2003-03-15), p. 1059-1068
Kurzfassung:
The dorsal diencephalon (or epithalamus) of larval zebrafish displays distinct left-right asymmetries. The pineal complex consists of the pineal organ anlage and an unpaired, left-sided accessory organ – the parapineal. The neighboring brain nuclei, the left and right dorsal habenulae,show consistent differences in their size, density of neuropil and gene expression. Mutational analyses demonstrate a correlation between the left-right position of the parapineal and the laterality of the habenular nuclei. We show that selective ablation of the parapineal organ results in the loss of habenular asymmetry. The left-sided parapineal therefore influences the left-right identity of adjacent brain nuclei, indicating that laterality of the dorsal diencephalon arises in a step-wise fashion.
Materialart:
Online-Ressource
ISSN:
1477-9129
,
0950-1991
Sprache:
Englisch
Verlag:
The Company of Biologists
Publikationsdatum:
2003
ZDB Id:
2007916-3
SSG:
12