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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zemanová, Veronika Pavlík, Milan Kyjaková, Pavlína Pavlíková, Daniela |
| Description | Country affiliation: Czech Republic Author Affiliation: Zemanová V ( Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 16521 Prague, Czech Republic.); Pavlík M ( Isotope Laboratory, Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Vídenská 1083, 14220 Prague, Czech Republic.); Kyjaková P ( Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo 2, 16610 Prague, Czech Republic.); Pavlíková D ( Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 16521 Prague, Czech Republic. Electronic address: pavlikova@af.czu.cz.) |
| Abstract | Changes in the fatty acid (FAs) composition in response to the extent of Cd contamination of soils (0, 30, 60 and 90 mg Cd kg(-1)) differed between ecotypes of Noccaea caerulescens originating from France - Ganges, Slovenia - Mezica and Austria - Redlschlag. Mezica ecotype accumulated more Cd in aboveground biomass compared to Ganges and Redlschlag ecotypes. Hyperaccumulators contained saturated fatty acids (SFAs) rarely occurring in plants, as are cerotic (26:0), montanic (28:0), melissic (30:0) acids, and unusual unsaturated fatty acids (USFAs), as are 16:2, 16:3, 20:2 and 20:3. Typical USFAs occurring in the family Brassicaceae, such as erucic, oleic and arachidonic acids, were missing in tested plants. Our results clearly indicate a relationship between Cd accumulation and the FAs composition. The content of SFAs decreased and the content of USFAs increased in aboveground biomass of Ganges and Mezica ecotypes with increasing Cd concentration. Opposite trend of FAs content was determined in Redlschlag ecotype. Linoleic (18:2n-6), -linolenic (18:3n-3) and palmitic (16:0) acids were found in all ecotypes. The results observed in N. caerulescens ecotypes, showed that mainly Mezica ecotype has an efficient defense strategies which can be related on changes in FAs composition, mainly in VLCFAs synthesis. The most significant effect of ecotype on FAs composition was confirmed using multivariate analysis of variance. |
| File Format | HTM / HTML |
| ISSN | 01761617 |
| Volume Number | 180 |
| e-ISSN | 16181328 |
| Journal | Journal of Plant Physiology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-05-15 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Botany Brassicaceae Growth & Development Metabolism Cadmium Toxicity Ecotype Fatty Acids Stress, Physiological Drug Effects Biomass Metabolic Networks And Pathways Plant Leaves Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science Agronomy and Crop Science |
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