Detailed Information on Publication Record
2015
RATIO IMAGING OF TEMPORAL CHANGES IN LEAF APOPLASTIC PH OF VICIA FABA (L.) PLANTS UNDER DROUGHT STRESS BY FLUORESCENCE MICROSCOPY TECHNIQUE
THIRUPATHI, Karuppana Pandian, Christoph-Martin GEILFUS, Karl-Hermann MUHLING and Vít GLOSERBasic information
Original name
RATIO IMAGING OF TEMPORAL CHANGES IN LEAF APOPLASTIC PH OF VICIA FABA (L.) PLANTS UNDER DROUGHT STRESS BY FLUORESCENCE MICROSCOPY TECHNIQUE
Name in Czech
MĚŘENÍ ZMĚN PH APOPLASTU LISTŮ ROSTLIN VICIA FABA VYSTAVENÝM SUCHU POMOCÍ POMĚROVÉ FLUORESCENČNÍ METODY
Authors
THIRUPATHI, Karuppana Pandian, Christoph-Martin GEILFUS, Karl-Hermann MUHLING and Vít GLOSER
Edition
2015. vyd. Praha, Influence of abiotic and biotic stresses on properties of plants 2015, p. 137-140, 4 pp. 2015
Publisher
UEL - SAV Zvolen
Other information
Language
English
Type of outcome
Stať ve sborníku
Field of Study
30105 Physiology
Country of publisher
Czech Republic
Confidentiality degree
není předmětem státního či obchodního tajemství
Publication form
printed version "print"
Organization unit
Faculty of Science
ISBN
978-80-89408-23-8
Keywords in English
drought stress; leaf apoplastic pH; ratio imaging; Vicia faba
Tags
International impact, Reviewed
Změněno: 30/3/2016 11:18, doc. RNDr. Vít Gloser, Ph.D.
Abstract
V originále
We observed temporal dynamics of changes in apoplastic pH as a general stress response signal in fully developed leaves of Vicia faba (L.) plants both in diurnal cycle and during progressive soil drying. Use of H+-sensitive fluorescence probe in combination with ratio imaging microscopy allowed in situ measurements of intact plants with fine time resolution. Gradual increase of pH in apoplast started after 2 d of drought stress simultaneously with significantly decreased soil water content whereas changes in leaf water potential occurred later – after 4d of drought stress. The maximum change of 1.32 pH units was observed in leaf apoplast after 11 d of soil drying. The changes of pH were observed both in younger (top) leaves and in older (bottom) leaves but the amplitude was bigger in older leaves. The leaf apoplastic pH proved as a useful marker of stress signaling in plants.