Abstract:
:Bryophytes are small land plants that have many morphological and physiological features different from vascular plants. With distinct water relations of bryophytes, many bryophyte species exhibit high degrees of tolerance to freezing and desiccation. The tolerance is sustained by the constitutive repair mechanism and the inducible mechanism regulated by environmental signals that provoke specific responses within the cells. Bryophyte cells sense changes in environmental conditions such as decreases in osmotic potential and temperature and that some responses are likely to be mediated by the stress hormone, abscisic acid. Due to their simple structures and high degrees of dehydration tolerance, bryophytes are useful for physiological studies on abiotic stress response and also for analysis of signal sensing and transduction of environmental signals. Furthermore, the basal phylogenetic position of bryophytes in land plants provides many insights into the evolutionary events for conquest of land by the ancestors of plants and subsequent diversification of species as well as their survival strategies in the terrestrial environment.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Takezawa Ddoi
10.1007/978-981-13-1244-1_10subject
Has Abstractpub_date
2018-01-01 00:00:00pages
167-187eissn
0065-2598issn
2214-8019journal_volume
1081pub_type
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