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Interactions of Environmental Pollut...

Xulei, Huang.

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Interactions of Environmental Pollutants with Microalgae and Lichen: Insights from Multi-Platform Metabolomics.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Interactions of Environmental Pollutants with Microalgae and Lichen: Insights from Multi-Platform Metabolomics./
Author:	Xulei, Huang.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	228 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-09, Section: C.
Contained By:	Dissertations Abstracts International80-09C.
Subject:	Environmental Health. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13855538
ISBN:	9781083525963

Interactions of Environmental Pollutants with Microalgae and Lichen: Insights from Multi-Platform Metabolomics.
Xulei, Huang.

Interactions of Environmental Pollutants with Microalgae and Lichen: Insights from Multi-Platform Metabolomics. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 228 p.

Source: Dissertations Abstracts International, Volume: 80-09, Section: C.

Thesis (Ph.D.)--National University of Singapore (Singapore), 2018.

This item must not be sold to any third party vendors.

In this thesis, the interactions of environmental pollutants with microalgae and lichens were investigated using multi-platform metabolomics. In chapter 2, differentiated metabolites in microalgae Chlorella vulgaris and Scenedesmus obliquus after exposure to triphenyl phosphate revealed perturbation in respiration, osmoregulation, photosynthesis, and oxidative stress. In chapter 3, we showed that the metabolic responses of C. vulgaris exposed to copper oxide microparticles and nanoparticles were similar compared with those to copper ion exposure in the metabolism of chlorophylls, membrane lipids, glutathione, and osmolytes. Only fatty acids oxidation was particle-specific. In chapter 4, elemental and metabolic profiles of the lichen Dirinaria picta after exposure to road traffic revealed heavy metal detoxification mechanism through reactive oxygen species scavenging, osmoregulation and chelating with N atom and sulfhydryl group, as well as depletion of certain secondary metabolites. Overall, these results provided new insights into the detoxification mechanisms of microalgae and lichens to environmental pollutants.

ISBN: 9781083525963Subjects--Topical Terms:

578282
Environmental Health.

Interactions of Environmental Pollutants with Microalgae and Lichen: Insights from Multi-Platform Metabolomics.
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520 $a In this thesis, the interactions of environmental pollutants with microalgae and lichens were investigated using multi-platform metabolomics. In chapter 2, differentiated metabolites in microalgae Chlorella vulgaris and Scenedesmus obliquus after exposure to triphenyl phosphate revealed perturbation in respiration, osmoregulation, photosynthesis, and oxidative stress. In chapter 3, we showed that the metabolic responses of C. vulgaris exposed to copper oxide microparticles and nanoparticles were similar compared with those to copper ion exposure in the metabolism of chlorophylls, membrane lipids, glutathione, and osmolytes. Only fatty acids oxidation was particle-specific. In chapter 4, elemental and metabolic profiles of the lichen Dirinaria picta after exposure to road traffic revealed heavy metal detoxification mechanism through reactive oxygen species scavenging, osmoregulation and chelating with N atom and sulfhydryl group, as well as depletion of certain secondary metabolites. Overall, these results provided new insights into the detoxification mechanisms of microalgae and lichens to environmental pollutants.
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