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Statements

Subject Item
n2:RIV%2F62156489%3A43410%2F14%3A00213765%21RIV15-MSM-43410___
rdf:type
n5:Vysledek skos:Concept
rdfs:seeAlso
http://onlinelibrary.wiley.com/doi/10.1002/chir.22255/full
dcterms:description
Decontamination of polluted soils using plants is based on the ability of plant species (including transgenic plants) to enhance bioavailability of pollutants in the rhizosphere and support growth of pollutant-degrading microorganisms via root exudation and plant species-specific composition of the exudates. In this work, we review current knowledge of enantiomers of low-molecular-weight (LMW) organic compounds with emphasis on their use in phytoremediation. Many research studies have been performed to search for plants suitable for decontamination of polluted soils. Nevertheless, the natural occurrence of L- versus D-enantiomers of dominant compounds of plant root exudates which play different roles in the complexation of heavy metals, chemoattraction, and support of pollutant-degrading microorganisms were not included in these studies. D-enantiomers of aliphatic organic acids and amino acids or L-enantiomers of carbohydrates occur in high concentrations in root exudates of some plant species, especially under stress, and are less stimulatory for plants to extract heavy metals or for rhizosphere microflora to degrade pollutants compared with L-enantiomers (organic acids and amino acids) or D-carbohydrates. Determining the ratio of L- versus D-enantiomers of organic compounds as a criterion of plant suitability for decontamination of polluted soils and development of other types of bioremediation technologies need to be subjects of future research. Decontamination of polluted soils using plants is based on the ability of plant species (including transgenic plants) to enhance bioavailability of pollutants in the rhizosphere and support growth of pollutant-degrading microorganisms via root exudation and plant species-specific composition of the exudates. In this work, we review current knowledge of enantiomers of low-molecular-weight (LMW) organic compounds with emphasis on their use in phytoremediation. Many research studies have been performed to search for plants suitable for decontamination of polluted soils. Nevertheless, the natural occurrence of L- versus D-enantiomers of dominant compounds of plant root exudates which play different roles in the complexation of heavy metals, chemoattraction, and support of pollutant-degrading microorganisms were not included in these studies. D-enantiomers of aliphatic organic acids and amino acids or L-enantiomers of carbohydrates occur in high concentrations in root exudates of some plant species, especially under stress, and are less stimulatory for plants to extract heavy metals or for rhizosphere microflora to degrade pollutants compared with L-enantiomers (organic acids and amino acids) or D-carbohydrates. Determining the ratio of L- versus D-enantiomers of organic compounds as a criterion of plant suitability for decontamination of polluted soils and development of other types of bioremediation technologies need to be subjects of future research.
dcterms:title
Natural occurrence of enantiomers of organic compounds versus phytoremediations: Should research on phytoremediations be revisited? A mini-review Natural occurrence of enantiomers of organic compounds versus phytoremediations: Should research on phytoremediations be revisited? A mini-review
skos:prefLabel
Natural occurrence of enantiomers of organic compounds versus phytoremediations: Should research on phytoremediations be revisited? A mini-review Natural occurrence of enantiomers of organic compounds versus phytoremediations: Should research on phytoremediations be revisited? A mini-review
skos:notation
RIV/62156489:43410/14:00213765!RIV15-MSM-43410___
n3:aktivita
n8:S
n3:aktivity
S
n3:cisloPeriodika
1
n3:dodaniDat
n18:2015
n3:domaciTvurceVysledku
n4:1117521 n4:4754697 n4:8905177 n4:1122169
n3:druhVysledku
n9:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
31720
n3:idVysledku
RIV/62156489:43410/14:00213765
n3:jazykVysledku
n6:eng
n3:klicovaSlova
degradation; pollutant; sorption; rhizosphere; root exudate; chelation; enantiomer
n3:klicoveSlovo
n10:degradation n10:sorption n10:root%20exudate n10:chelation n10:rhizosphere n10:pollutant n10:enantiomer
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[131A6C1C47B6]
n3:nazevZdroje
Chirality
n3:obor
n15:CE
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n18:2014
n3:svazekPeriodika
26
n3:tvurceVysledku
Rejšek, Klement Vranová, Valerie Lojková, Lea Formánek, Pavel
n3:wos
329437200002
s:issn
0899-0042
s:numberOfPages
20
n16:doi
10.1002/chir.22255
n13:organizacniJednotka
43410