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Dynamics of Endogenous Phytohormones during Desiccation and Recovery of the Resurrection Plant Species Haberlea rhodopensis

SYSNO ASEP	0399223
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Dynamics of Endogenous Phytohormones during Desiccation and Recovery of the Resurrection Plant Species Haberlea rhodopensis
Author(s)	Djilianov, D.L. (BG) Dobrev, Petre (UEB-Q)_{RID, ORCID} Moyankova, D.P. (BG) Vaňková, Radomíra (UEB-Q)_{RID, ORCID} Georgieva, D.T. (BG) Gajdošová, Silvia (UEB-Q) Motyka, Václav (UEB-Q)_{RID, ORCID}
Source Title	Journal of Plant Growth Regulation. - : Springer - ISSN 0721-7595 Roč. 32, č. 3 (2013), s. 564-574
Number of pages	11 s.
Language	eng - English
Country	US - United States
Keywords	Abscisic acid ; Auxin ; Desiccation tolerance ; Cytokinin
Subject RIV	ED - Physiology
R&D Projects	GAP506/11/0774 GA ČR - Czech Science Foundation (CSF)
	GA522/09/2058 GA ČR - Czech Science Foundation (CSF)
	GA206/09/2062 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z50380511 - UEB-Q (2005-2011)
UT WOS	000322781500011
DOI	10.1007/s00344-013-9323-y
Annotation	Drought is one of the most significant threats to world agriculture and hampers the supply of food and energy. The mechanisms of drought responses can be studied using resurrection plants that are able to survive extreme dehydration. As plant hormones function in an intensive cross-talk, playing important regulatory roles in the perception and response to unfavorable environments, the dynamics of phytohormones was followed in the resurrection plant Haberlea rhodopensis Friv. during desiccation and subsequent recovery. Analysis of both leaves and roots revealed that jasmonic acid, along with and even earlier than abscisic acid, serves as a signal triggering the response of the resurrection plants to desiccation. The steady high levels of salicylic acid could be considered an integral part of the specific set of parameters that prime H. rhodopensis desiccation tolerance. The dynamic changes of cytokinins and auxins suggest that these hormones actively participate in the dehydration response and development of desiccation tolerance in the resurrection plants. Our data contribute to the elucidation of a global complex picture of the resurrection plant's ability to withstand desiccation, which might be successfully utilized in crop improvement.
Workplace	Institute of Experimental Botany
Contact	David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469
Year of Publishing	2014

Number of the records: 1