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Amphibian tail regeneration in space: effect on the pigmentation of the blastema
S Grinfeld1, F Foulquier, V Mitashov
1Centre de Biologie du Développement, Université Paul Sabatier, Toulouse, France.
Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1996
Abstract:
In Urodele amphibians, the tail regenerates after section. This regeneration, including tissues as different as bone (vertebrae), muscle, epidermis and central nervous system (spinal cord), was studied in adult Pleurodeles sent aboard the russian satellite Bion 10 and compared with tail regeneration in synchronous controls. Spinal cord, muscle and cartilage regeneration occurred in space animals as in synchronous controls. One of the most important differences between the two groups was the pigmentation of the blastemas: it was shown in laboratory, to be not due to a difference in light intensity.