Colocalization of low-methylesterified pectins and Pb deposits in the apoplast of aspen roots exposed to lead. Rabeda, I., Bilski, H., Mellerowicz, E. J., Napieralska, A., Suski, S., Wozny, A., & Krzeslowska, M. Environ Pollut, 205:315–26, October, 2015. Edition: 2015/07/01![Colocalization of low-methylesterified pectins and Pb deposits in the apoplast of aspen roots exposed to lead [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex 1 download Low-methylesterified homogalacturonans have been suggested to play a role in the binding and immobilization of Pb in CW. Using root apices of hybrid aspen, a plant with a high phytoremediation potential, as a model, we demonstrated that the in situ distribution pattern of low-methylesterified homogalacturonan, pectin epitope (JIM5-P), reflects the pattern of Pb occurrence. The region which indicated high JIM5-P level corresponded with "Pb accumulation zone". Moreover, JIM5-P was especially abundant in cell junctions, CWs lining the intercellular spaces and the corners of intercellular spaces indicating the highest accumulation of Pb. Furthermore, JIM5-P and Pb commonly co-localized. The observations indicate that low-methylesterified homogalacturonan is the CW polymer that determines the capacity of CW for Pb sequestration. Our results suggest a promising directions for CW modification for enhancing the efficiency of plant roots in Pb accumulation, an important aspect in the phytoremediation of soils contaminated with trace metals.
@article{rabeda_colocalization_2015,
title = {Colocalization of low-methylesterified pectins and {Pb} deposits in the apoplast of aspen roots exposed to lead},
volume = {205},
issn = {1873-6424 (Electronic) 0269-7491 (Linking)},
url = {https://www.ncbi.nlm.nih.gov/pubmed/26123720},
doi = {10.1016/j.envpol.2015.05.048},
abstract = {Low-methylesterified homogalacturonans have been suggested to play a role in the binding and immobilization of Pb in CW. Using root apices of hybrid aspen, a plant with a high phytoremediation potential, as a model, we demonstrated that the in situ distribution pattern of low-methylesterified homogalacturonan, pectin epitope (JIM5-P), reflects the pattern of Pb occurrence. The region which indicated high JIM5-P level corresponded with "Pb accumulation zone". Moreover, JIM5-P was especially abundant in cell junctions, CWs lining the intercellular spaces and the corners of intercellular spaces indicating the highest accumulation of Pb. Furthermore, JIM5-P and Pb commonly co-localized. The observations indicate that low-methylesterified homogalacturonan is the CW polymer that determines the capacity of CW for Pb sequestration. Our results suggest a promising directions for CW modification for enhancing the efficiency of plant roots in Pb accumulation, an important aspect in the phytoremediation of soils contaminated with trace metals.},
language = {en},
urldate = {2021-06-07},
journal = {Environ Pollut},
author = {Rabeda, I. and Bilski, H. and Mellerowicz, E. J. and Napieralska, A. and Suski, S. and Wozny, A. and Krzeslowska, M.},
month = oct,
year = {2015},
note = {Edition: 2015/07/01},
keywords = {Antibodies, Monoclonal/metabolism, Biodegradation, Environmental, Biomarkers/blood, Cell wall, Esterification, Heavy metal, Lead/*metabolism, Pectins/*metabolism, Phytoremediation, Plant Roots/metabolism, Populus, Populus/*metabolism, Soil Pollutants/*metabolism, Tolerance},
pages = {315--26},
}
Downloads: 1
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Using root apices of hybrid aspen, a plant with a high phytoremediation potential, as a model, we demonstrated that the in situ distribution pattern of low-methylesterified homogalacturonan, pectin epitope (JIM5-P), reflects the pattern of Pb occurrence. The region which indicated high JIM5-P level corresponded with \"Pb accumulation zone\". Moreover, JIM5-P was especially abundant in cell junctions, CWs lining the intercellular spaces and the corners of intercellular spaces indicating the highest accumulation of Pb. Furthermore, JIM5-P and Pb commonly co-localized. The observations indicate that low-methylesterified homogalacturonan is the CW polymer that determines the capacity of CW for Pb sequestration. 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