Trichloroacetic acid of different origin in Norway spruce needles and chloroplasts

S. T. Forczek; P. Schröder; L. Weissflog; G. Krüger; J. Rohlenová; M. Matucha

doi:10.1007/s10535-008-0039-y

Trichloroacetic acid of different origin in Norway spruce needles and chloroplasts

S. T. Forczek, P. Schröder, L. Weissflog, G. Krüger, J. Rohlenová, M. Matucha

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Trichloroacetic acid (TCA), a secondary atmospheric pollutant, is also formed in forest soil and thus ranked among natural organohalogens. The observed biooxidation of atmospheric tetrachloroethene (PER) to TCA in chloroplasts has led to the investigation of the mode of action of TCA in spruce needles, since TCA is also accumulated in the needles after its rapid uptake from soil by roots. Being phytotoxic, TCA considerably influences conifers by affecting their photosynthetic apparatus. We examined the transport of TCA from soil into chloroplasts in order to compare the effects of TCA on conifers from both sources, i.e. endogenously produced within chloroplasts or taken up by roots. The influence of TCA formed in chloroplasts was found to be much more adverse than that of "soil" TCA.

Original language	English
Pages (from-to)	177-180
Number of pages	4
Journal	Biologia Plantarum
Volume	52
Issue number	1
DOIs	https://doi.org/10.1007/s10535-008-0039-y
State	Published - Mar 2008
Externally published	Yes

Keywords

Biooxidation
C-14 labelling
Needle injury
Subcellular level
Tetrachloroethene

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10.1007/s10535-008-0039-y

Cite this

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title = "Trichloroacetic acid of different origin in Norway spruce needles and chloroplasts",

abstract = "Trichloroacetic acid (TCA), a secondary atmospheric pollutant, is also formed in forest soil and thus ranked among natural organohalogens. The observed biooxidation of atmospheric tetrachloroethene (PER) to TCA in chloroplasts has led to the investigation of the mode of action of TCA in spruce needles, since TCA is also accumulated in the needles after its rapid uptake from soil by roots. Being phytotoxic, TCA considerably influences conifers by affecting their photosynthetic apparatus. We examined the transport of TCA from soil into chloroplasts in order to compare the effects of TCA on conifers from both sources, i.e. endogenously produced within chloroplasts or taken up by roots. The influence of TCA formed in chloroplasts was found to be much more adverse than that of {"}soil{"} TCA.",

keywords = "Biooxidation, C-14 labelling, Needle injury, Subcellular level, Tetrachloroethene",

author = "Forczek, {S. T.} and P. Schr{\"o}der and L. Weissflog and G. Kr{\"u}ger and J. Rohlenov{\'a} and M. Matucha",

note = "Funding Information: Received 5 March 2007, accepted 30 November 2007. Abbreviations: DCA - dichloroacetic acid; GSH - glutathione; PER - tetrachloroethene; ROS - reactive oxygen species; TCA - trichloroacetic acid. Acknowledgements: Financial support was provided by the Grant Agency of the Czech Republic (Grant 526/05/0636), the European Commission (EC-Projects TRIDES; ICA2-CT-2000-10038), the German Ministry of Education and Research and the National Research Foundation of the Republic of South Africa (STC-Project HALOTOX; 39.6.F1A.1.A.) * Corresponding author; fax: (+420) 241062150, e-mail: [email protected]",

year = "2008",

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doi = "10.1007/s10535-008-0039-y",

language = "English",

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T1 - Trichloroacetic acid of different origin in Norway spruce needles and chloroplasts

AU - Forczek, S. T.

AU - Schröder, P.

AU - Weissflog, L.

AU - Krüger, G.

AU - Rohlenová, J.

AU - Matucha, M.

N1 - Funding Information: Received 5 March 2007, accepted 30 November 2007. Abbreviations: DCA - dichloroacetic acid; GSH - glutathione; PER - tetrachloroethene; ROS - reactive oxygen species; TCA - trichloroacetic acid. Acknowledgements: Financial support was provided by the Grant Agency of the Czech Republic (Grant 526/05/0636), the European Commission (EC-Projects TRIDES; ICA2-CT-2000-10038), the German Ministry of Education and Research and the National Research Foundation of the Republic of South Africa (STC-Project HALOTOX; 39.6.F1A.1.A.) * Corresponding author; fax: (+420) 241062150, e-mail: [email protected]

PY - 2008/3

Y1 - 2008/3

N2 - Trichloroacetic acid (TCA), a secondary atmospheric pollutant, is also formed in forest soil and thus ranked among natural organohalogens. The observed biooxidation of atmospheric tetrachloroethene (PER) to TCA in chloroplasts has led to the investigation of the mode of action of TCA in spruce needles, since TCA is also accumulated in the needles after its rapid uptake from soil by roots. Being phytotoxic, TCA considerably influences conifers by affecting their photosynthetic apparatus. We examined the transport of TCA from soil into chloroplasts in order to compare the effects of TCA on conifers from both sources, i.e. endogenously produced within chloroplasts or taken up by roots. The influence of TCA formed in chloroplasts was found to be much more adverse than that of "soil" TCA.

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KW - C-14 labelling

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Trichloroacetic acid of different origin in Norway spruce needles and chloroplasts

Abstract

Keywords

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