Opposite metabolic responses of shoots and roots to drought

Gargallo-Garriga, A.; Sardans, J.; Pérez-Trujillo, M.; Rivas-Ubach, A.; Oravec, Michal; Večeřová, Kristýna; Urban, Otmar; Jentsch, A.; Kreyling, J.; Beierkuhnlein, C.; Parella, T.; Penuelas, J.

doi:https://dx.doi.org/10.1038/srep06829

Number of the records: 1

Opposite metabolic responses of shoots and roots to drought

1.

SYSNO ASEP	0435758
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Opposite metabolic responses of shoots and roots to drought
Author(s)	Gargallo-Garriga, A. (ES) Sardans, J. (ES) Pérez-Trujillo, M. (ES) Rivas-Ubach, A. (ES) Oravec, Michal (UEK-B)_{RID, ORCID, SAI} Večeřová, Kristýna (UEK-B)_{RID, SAI, ORCID} Urban, Otmar (UEK-B)_{RID, ORCID, SAI} Jentsch, A. (DE) Kreyling, J. (DE) Beierkuhnlein, C. (DE) Parella, T. (ES) Penuelas, J. (ES)
Source Title	Scientific Reports. - : Nature Publishing Group - ISSN 2045-2322 Roč. 4, č. 6829 (2014), s. 1-7
Number of pages	5 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	shoot and roots ; autotrophic and heterotrophic organs ; environmental change ; growth metabolism ; water and nutirens
Subject RIV	EH - Ecology, Behaviour
Institutional support	RVO:67179843 - RVO:67179843
UT WOS	000343984300001
DOI	10.1038/srep06829
Annotation	Shoots and roots are autotrophic and heterotrophic organs of plants with different physiological functions. Do they have different metabolomes? Do their metabolisms respond differently to environmental changes such as drought? We used metabolomics and elemental analyses to answer these questions. First, we show that shoots and roots have different metabolomes and nutrient and elemental stoichiometries. Second, we show that the shoot metabolome is much more variable among species and seasons than is the root metabolome. Third, we show that the metabolic response of shoots to drought contrasts with that of roots; shoots decrease their growth metabolism (lower concentrations of sugars, amino acids, nucleosides, N, P, and K), and roots increase it in a mirrored response. Shoots are metabolically deactivated during drought to reduce the consumption of water and nutrients, whereas roots are metabolically activated to enhance the uptake of water and nutrients, together buffering the effects of drought, at least at the short term.
Workplace	Global Change Research Institute
Contact	Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268
Year of Publishing	2015

Number of the records: 1