...Sarah Crisp; Jan Felix Evers; André Fiala; Michael Bate We used non-invasive muscle imaging to study the onset of motor activity and emergence of coordinated movement in Drosophila embryos. Earliest movements are myogenic, and neurally controlled muscle contractions first appear with the onset...

... recruitment of the definitive endoderm, and causes cells in the endoderm to remain stationary during gastrulation. The observation that the endoderm cells are inherently unable to move despite the expansion of the mesoderm in the Mixl1- null mutant suggests that the movement of the endoderm and the mesoderm...

... collars are involved with the forward movement of the slug. The mutant strain HU2421 lacks the MUD50-epitope and forms collars which do not remain stationary but move backwards along the slug to collect at a ‘waist’ region. The slipping-collars observed in the mutant correlated with very slow migration...

...Alan Colman; Douglas Drummond * Present address: Department of Zoology, University of Texas, Austin, Texas, USA. Copyright © 1986 by Company of Biologists 1986 messenger RNA Xenopus oocyte movement stability anti-sense RNA poly (A) RNA capping polyadenylation...