Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii

HELLWEGE EM, Dietz K-J, VOLK OH, HARTUNG W (1994)
Planta 194(4): 525-531.

Journal Article | Published | English

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Abstract
Abscisic acid (ABA) induces formation of a set of proteins in the xerophilic liverwort Exormotheca holstii. Some of them have immunological properties similar to the dehydrins of desiccated corn embryos and the desiccation-related proteins of Craterosrigma plantagineum. The fluctuations of endogenous ABA during cycles of desiccation and rehydration seem to be sufficiently high to indicate a role for ABA as a stress hormone and thereby as an endogenous inductor of stress-related protein synthesis. Desiccation tolerance disappears when thalli are cultivated for a longer period under well-watered conditions; such thalli are not able to increase stress-dependent ABA biosynthesis sufficiently, or to form the desiccation-related proteins unless they are treated with external ABA. The rehydrated thalli cannot recover from a rapid water loss, while ABA-treated, non-hardened thalli regain their photosynthetic activity within two hours.
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HELLWEGE EM, Dietz K-J, VOLK OH, HARTUNG W. Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii. Planta. 1994;194(4):525-531.
HELLWEGE, E. M., Dietz, K. - J., VOLK, O. H., & HARTUNG, W. (1994). Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii. Planta, 194(4), 525-531.
HELLWEGE, E. M., Dietz, K. - J., VOLK, O. H., and HARTUNG, W. (1994). Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii. Planta 194, 525-531.
HELLWEGE, E.M., et al., 1994. Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii. Planta, 194(4), p 525-531.
E.M. HELLWEGE, et al., “Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii”, Planta, vol. 194, 1994, pp. 525-531.
HELLWEGE, E.M., Dietz, K.-J., VOLK, O.H., HARTUNG, W.: Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii. Planta. 194, 525-531 (1994).
HELLWEGE, E. M., Dietz, Karl-Josef, VOLK, O. H., and HARTUNG, W. “Abscisic-acid and the induction of desiccation tolerance in the extremely xerophilic liverwort Exormotheca holstii”. Planta 194.4 (1994): 525-531.
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