Biochemical differences between carrot inbreds differing in plant regeneration potential
1991
Feirer, R.P. | Simon, P.W.
Cultures derived from domestic carrot (Daucus carota L.) inbreds were found to vary with respect to regeneration potential as measured by the production of somatic embryos in suspension cultures. A number of biochemical parameters previously reported to distinguish embryogenic from non-embryogenic cultures of other species were measured in these carrot cell lines. Ethylene production was found to be inversely related to regeneration potential. The cell line producing the greatest number of somatic embryos exhibited the lowest rate of ethylene biosynthesis, even when grown on 2,4-D-containing maintenance medium. A specific isozyme of acid phosphatase was associated with embryogenic calli. Proteins visualized by SDS-PAGE did not discriminate between embryo-forming and proliferating calli in all inbreds.
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