Behavior of fish retinal growth cones encountering chick caudal tectal membranes : a time-lapse study on growthcone collapse

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1993
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Bastmeyer, Martin
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Journal of Neurobiology. 1993, 24(1), pp. 37-50. ISSN 0022-3034. eISSN 1097-4695. Available under: doi: 10.1002/neu.480240104
Zusammenfassung

In a cross species in vifro assay, growth cones from fish temporal retina elongating on laminin lanes were observed with time-lapse videomicroscopy as they encountered lanes and territories that carried membrane fragments from the chick caudal tectum. Caudal tectal membranes of adult fish and embryonic chick are known to possess a repellent guiding component for temporal retinal axons. The caudal membranes of chick exert a particularly strong influence on fish temporal axons. Contacts with chick caudal membranes by just a few filopodia and parts of the lamellipodia evoked a turning response away from the membrane lane of the entire growth cone. Contacts by filo- and lamellipodia over the entire circumference of the growth cone, however, caused invariably growth cone collapse and retraction. During growth cone turning and collapse and retraction, filopodia remained in contact with the tectal membrane fragments, suggesting strong membrane-filopodia adhesion simultaneous to growth cone repulsion by the repellent guiding component.

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570 Biowissenschaften, Biologie
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ISO 690BASTMEYER, Martin, Claudia STÃœRMER, 1993. Behavior of fish retinal growth cones encountering chick caudal tectal membranes : a time-lapse study on growthcone collapse. In: Journal of Neurobiology. 1993, 24(1), pp. 37-50. ISSN 0022-3034. eISSN 1097-4695. Available under: doi: 10.1002/neu.480240104
BibTex
@article{Bastmeyer1993Behav-7410,
  year={1993},
  doi={10.1002/neu.480240104},
  title={Behavior of fish retinal growth cones encountering chick caudal tectal membranes : a time-lapse study on growthcone collapse},
  number={1},
  volume={24},
  issn={0022-3034},
  journal={Journal of Neurobiology},
  pages={37--50},
  author={Bastmeyer, Martin and Stürmer, Claudia}
}
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