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Digitale Medien

Ultraviolet light inhibits grey crescent formation on the frog egg (1980)

Manes, Mario E. ; Elinson, Richard P.

Springer

Development genes and evolution 189 (1980), S. 73-76

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Details

ISSN: 1432-041X

Schlagwort(e): Ultraviolet irradiation ; Amphibian ; Grey crescent ; Embryology

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Summary Work by others has shown that ultraviolet (UV) irradiation of the vegetal half of the uncleaved frog egg causes defects in neural development. We find that the earliest effect of irradiation ofRana pipiens eggs is to prevent grey crescent formation, the first indication of dorso-ventral polarization of the egg. The UV effect on the grey crescent and on neural development shows similarities in timing, dose-responses, and reversal by cold. We suggest that the UV effect on neural morphogenesis may be caused by the inhibition of cortical-cytoplasmic movement involved in grey crescent formation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00848569

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