An incompatibility manifested in heteroplastic parabiosis or grafting in Amblystoma due to a toxin of cutaneous origin

\Danforth and Foster ('29) observed that skin grafts between different breeds of newly hatched chicks give rise to donor feathers typical in structure and color, but occasionally also to hybrid mosaics with discrete host and donor components. The latter, confined only to the boundary and incorporating both host and donor genotypes of melanophores (Danforth, '37, '39), have attracted much interest.Willier et al. ('37) and Rawles ('38, '39) grafted small pieces of early embryonic skin or mesenchyme from one breed to the base of the wing bud of another.2 If at the time of transplantation the graft had already been invaded with melanoblasts while the host tissue adjacent to the graft was not yet invaded by its own, feathers regenerating from the graft and its vicinity were structurally of the host type but colored after the pattern of the donor (Rawles, '39; Willier and Rawles, '40). These authors concluded tkat such feathers are of host origin with the exception of the pigment, which is contributed by melanoblasts originally contained in the graft. When donor pigment cells were used up (after juvenile feathers or later), host melanophores gradually replaced them and finally produced from the same follicles feathers exolusively of host type. Their work confirmed

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An incompatibility manifested in heteroplastic parabiosis or grafting in Amblystoma due to a toxin of cutaneous origin

Cited by 10 publications

References 18 publications

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The inhibition of ovary or testis in immature Amblystoma by another gonad homotypic as to sex

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