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231223s2003 xx ||||| 00| ||eng c |
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|a pubmed24n0481.xml
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|a (DE-627)NLM144266601
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|a (NLM)14717437
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Lombini, Alessandra
|e verfasserin
|4 aut
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|a Influence of the Ca/Mg ratio on Cu resistance in three Silene armeria ecotypes adapted to calcareous soil or to different, Ni- or Cu-enriched, serpentine sites
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|c 2003
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 22.03.2004
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a This hydroponic study addresses the influence of low (0.3) and high (4.0) Ca/Mg molar ratios on Cu resistance of Silene armeria ecotypes from different habitats: a calcareous soil (ecotype Cadriano), a Ni-rich serpentine site (ecotype Prinzera), and an acid Cu-mine spoil soil containing serpentinite (ecotype Vigonzano). Under control conditions, without excess Cu, only Cadriano was negatively affected by the low Ca/Mg ratio. Under both low and high Ca/Mg ratios Cu resistance followed the order Vigonzano more more than Prinzera > Cadriano. More efficient Cu exclusion accounted for enhanced Cu resistance in Prinzera. The low Ca/Mg ratio increased Cu uptake in Prinzera but did not worsen toxicity effects; i.e. the plants had higher internal Cu effect concentrations. In Vigonzano Cu resistance was enhanced by the low Ca/Mg ratio. This was due only in part to better Cu exclusion. Magnesium-induced tolerance to higher Cu tissue concentrations appears to be in ecotypes from serpentine and acid mine spoils, but not in plants from calcareous soil, the exposure to low Ca/Mg ratio favours internal detoxification of Cu by means of more efficient chelation and compartmentation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Asbestos, Serpentine
|2 NLM
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|a Chelating Agents
|2 NLM
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|a Soil
|2 NLM
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|a Soil Pollutants
|2 NLM
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|a Copper
|2 NLM
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|a 789U1901C5
|2 NLM
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|a Nickel
|2 NLM
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|a 7OV03QG267
|2 NLM
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|a Magnesium
|2 NLM
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|a I38ZP9992A
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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|a SY7Q814VUP
|2 NLM
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1 |
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|a Llugany, Mercè
|e verfasserin
|4 aut
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|a Poschenrieder, Charlotte
|e verfasserin
|4 aut
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|a Dinelli, Enrico
|e verfasserin
|4 aut
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| 700 |
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|a Barceló, Juan
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 160(2003), 12 vom: 17. Dez., Seite 1451-6
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:160
|g year:2003
|g number:12
|g day:17
|g month:12
|g pages:1451-6
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 160
|j 2003
|e 12
|b 17
|c 12
|h 1451-6
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