Characterization of Cupric Glutamate Extinguishing Mechanism of Alexandrium sp. LC3 with Two-dimensional Electrophoresis and MALDI-TOF MS

Mechanisms by which cupric glutamate, a novel algicide, extinguishes Alexandrium sp. LC3 are shown in this study. We show that cupric glutamate not only stimulated the production of malonaldehyde (MDA) and dramatically promoted cell plasma membrane permeability (p < 0.01) but also remarkably redu...

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Veröffentlicht in:Marine biotechnology (New York, N.Y.) N.Y.), 2008-09, Vol.10 (5), p.527-537, Article 527
Hauptverfasser: Li, Hao, Miao, Jinlai, Cui, Fengxia, Li, Guangyou
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Miao, Jinlai
Cui, Fengxia
Li, Guangyou
description Mechanisms by which cupric glutamate, a novel algicide, extinguishes Alexandrium sp. LC3 are shown in this study. We show that cupric glutamate not only stimulated the production of malonaldehyde (MDA) and dramatically promoted cell plasma membrane permeability (p < 0.01) but also remarkably reduced sulfhydryl (SH) group content (p < 0.01). Analysis of protein expression profiles by two-dimensional electrophoresis (2-DE) indicated that only 47 protein spots were detected in both control and cupric glutamate treated cells. Three reliable spots were identified by matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF MS) as ribulose-bisphosphate carboxylase large subunit precursor, RNA polymerase beta chain, and hypothetical protein, which can be well correlated with cupric glutamate stress. Based on above results, we hypothesize that the extinguishing mechanisms include (1) the cell membrane being damaged by cupric glutamate; (2) cupric glutamate probably induced denaturation and disintegration of intracellular protein, which led to inhibition of cell growth.
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Three reliable spots were identified by matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF MS) as ribulose-bisphosphate carboxylase large subunit precursor, RNA polymerase beta chain, and hypothetical protein, which can be well correlated with cupric glutamate stress. Based on above results, we hypothesize that the extinguishing mechanisms include (1) the cell membrane being damaged by cupric glutamate; (2) cupric glutamate probably induced denaturation and disintegration of intracellular protein, which led to inhibition of cell growth.</description><identifier>ISSN: 1436-2228</identifier><identifier>EISSN: 1436-2236</identifier><identifier>DOI: 10.1007/s10126-008-9091-z</identifier><identifier>PMID: 18449603</identifier><language>eng</language><publisher>New York: New York : Springer-Verlag</publisher><subject>Alexandrium ; Alexandrium sp. LC3 ; Algae ; Algicides ; Analytical methods ; Animals ; Biomedical and Life Sciences ; Cell Membrane Permeability - drug effects ; Cell membranes ; Clay ; Copper ; Copper - pharmacology ; Cupric glutamate ; Denaturation ; Dinoflagellida - drug effects ; Dinoflagellida - metabolism ; Disintegration ; DNA-directed RNA polymerase ; Electrophoresis ; Electrophoresis, Gel, Two-Dimensional ; Engineering ; Extinguish ; Extinguishing ; Freshwater &amp; Marine Ecology ; Gene Expression Regulation - drug effects ; Glutamic Acid - pharmacology ; Herbicides ; Ionization ; Ions ; Laboratories ; Lasers ; Life Sciences ; Malondialdehyde ; Malondialdehyde - metabolism ; Mass spectrometry ; Mass spectroscopy ; Matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry ; Membrane permeability ; Microbiology ; Organisms ; Original Article ; Permeability ; Pesticides - pharmacology ; Plasma membrane permeability ; Prepolymers ; Protein expression ; Proteins ; Proteomics ; Ribulose-bisphosphate carboxylase ; RNA polymerase ; Scientific imaging ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization ; Studies ; Sulfhydryl Compounds - metabolism ; Two-dimensional electrophoresis ; Water quality ; Zoology</subject><ispartof>Marine biotechnology (New York, N.Y.), 2008-09, Vol.10 (5), p.527-537, Article 527</ispartof><rights>Springer Science+Business Media, LLC 2008</rights><rights>Springer Science+Business Media, LLC 2008.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-54d7384c2365f21a543098da342c2c27a48d16fff37b619eb01fa8f2c8568cf3</citedby><cites>FETCH-LOGICAL-c421t-54d7384c2365f21a543098da342c2c27a48d16fff37b619eb01fa8f2c8568cf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10126-008-9091-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10126-008-9091-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18449603$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Hao</creatorcontrib><creatorcontrib>Miao, Jinlai</creatorcontrib><creatorcontrib>Cui, Fengxia</creatorcontrib><creatorcontrib>Li, Guangyou</creatorcontrib><title>Characterization of Cupric Glutamate Extinguishing Mechanism of Alexandrium sp. 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Three reliable spots were identified by matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF MS) as ribulose-bisphosphate carboxylase large subunit precursor, RNA polymerase beta chain, and hypothetical protein, which can be well correlated with cupric glutamate stress. Based on above results, we hypothesize that the extinguishing mechanisms include (1) the cell membrane being damaged by cupric glutamate; (2) cupric glutamate probably induced denaturation and disintegration of intracellular protein, which led to inhibition of cell growth.</abstract><cop>New York</cop><pub>New York : Springer-Verlag</pub><pmid>18449603</pmid><doi>10.1007/s10126-008-9091-z</doi><tpages>11</tpages></addata></record>
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subjects Alexandrium
Alexandrium sp. LC3
Algae
Algicides
Analytical methods
Animals
Biomedical and Life Sciences
Cell Membrane Permeability - drug effects
Cell membranes
Clay
Copper
Copper - pharmacology
Cupric glutamate
Denaturation
Dinoflagellida - drug effects
Dinoflagellida - metabolism
Disintegration
DNA-directed RNA polymerase
Electrophoresis
Electrophoresis, Gel, Two-Dimensional
Engineering
Extinguish
Extinguishing
Freshwater & Marine Ecology
Gene Expression Regulation - drug effects
Glutamic Acid - pharmacology
Herbicides
Ionization
Ions
Laboratories
Lasers
Life Sciences
Malondialdehyde
Malondialdehyde - metabolism
Mass spectrometry
Mass spectroscopy
Matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry
Membrane permeability
Microbiology
Organisms
Original Article
Permeability
Pesticides - pharmacology
Plasma membrane permeability
Prepolymers
Protein expression
Proteins
Proteomics
Ribulose-bisphosphate carboxylase
RNA polymerase
Scientific imaging
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Studies
Sulfhydryl Compounds - metabolism
Two-dimensional electrophoresis
Water quality
Zoology
title Characterization of Cupric Glutamate Extinguishing Mechanism of Alexandrium sp. LC3 with Two-dimensional Electrophoresis and MALDI-TOF MS
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