Abstract
Sugarbeet cells from normal and habituated callus released peroxidases in liquid cultures, in proportion to their endogenous level. Calcium promoted this release more in the normal than in the habituated line. Treatment of the cells with sodium azide, sodium hydrogenarsenate or phenothiazine inhibited the calcium effect, which indicated a dependence on metabolic energy and on calmodulin regulation. The Ca ionophore Ro (bromolasalocid ethanolate) restricted peroxidase release.
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Research partly supported by the Belgian FRFC grant 2.9009 to T.G. and by the Swiss FNSR grant 3.624-0.80 to C.P. and H.G.
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Kevers, C., Sticher, L., Penel, C. et al. Calcium-controlled peroxidase secretion by sugarbeet cell suspensions in relation to habituation. Plant Growth Regul 1, 61–66 (1982). https://doi.org/10.1007/BF00024222
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DOI: https://doi.org/10.1007/BF00024222