A maternal requirement for glutamine synthetase I for the mitotic cycles of syncytial Drosophila embryos.

Abstract excerpt

We describe the maternal effect phenotype of a hypomorphic mutation in the Drosophila gene for glutamine synthetase I (GSI). The extent of development of embryos derived from homozygous mutant females is variable, although most mutant embryos fail to survive past germband elongation and none develop into larvae. These embryos are characterised by an increase in the number of yolk-like nuclei following nuclear...

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