Differential effects of abscisic acid on desiccation tolerance and carbohydrates in three species of liverworts. Pence, V., C., Dunford, S., S., & Redella, S. Journal of Plant Physiology, 162(12):1331-1337, 2005. Website abstract bibtex Tissues of three species of in vitro grown liverworts, Riccia fluitans, Pallavicinia lyellii, and Marchantia polymorpha, were subjected to rapid drying with and without preculture for 1 week on medium containing 10 microM ABA. ABA preculture initiated total desiccation tolerance in R. fluitans, whereas control tissues were killed after 30 min of drying. Survival was also improved in P. lyellii, whereas ABA did not affect survival of M. polymorpha after rapid drying. ABA treatment did, however, reduce the rate of water loss in M. polymorpha. Total soluble carbohydrates were increased in ABA-treated R. fluitans and P. lyellii, but not in M. polymorpha, although there was no correlation between survival and changes in the percentage of these carbohydrates as reducing sugars. These differences in response to ABA and desiccation likely reflect different adaptations of these three species to conditions in situ.
@article{
title = {Differential effects of abscisic acid on desiccation tolerance and carbohydrates in three species of liverworts.},
type = {article},
year = {2005},
pages = {1331-1337},
volume = {162},
websites = {http://linkinghub.elsevier.com/retrieve/pii/S0176161705000970},
institution = {Center for Conservation and Research of Endangered Wildlife, Cincinnati Zoo & Botanical Garden, OH 45220, USA. valerie.pence@cincinnatizoo.org},
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abstract = {Tissues of three species of in vitro grown liverworts, Riccia fluitans, Pallavicinia lyellii, and Marchantia polymorpha, were subjected to rapid drying with and without preculture for 1 week on medium containing 10 microM ABA. ABA preculture initiated total desiccation tolerance in R. fluitans, whereas control tissues were killed after 30 min of drying. Survival was also improved in P. lyellii, whereas ABA did not affect survival of M. polymorpha after rapid drying. ABA treatment did, however, reduce the rate of water loss in M. polymorpha. Total soluble carbohydrates were increased in ABA-treated R. fluitans and P. lyellii, but not in M. polymorpha, although there was no correlation between survival and changes in the percentage of these carbohydrates as reducing sugars. These differences in response to ABA and desiccation likely reflect different adaptations of these three species to conditions in situ.},
bibtype = {article},
author = {Pence, Valerie C and Dunford, Susan S and Redella, Steven},
journal = {Journal of Plant Physiology},
number = {12}
}
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