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  1. Article ; Online: Origins and discrimination between local and regional atmospheric pollution in Haiphong (Vietnam), based on metal(loid) concentrations and lead isotopic ratios in PM

    Chifflet, Sandrine / Amouroux, David / Bérail, Sylvain / Barre, Julien / Van, Thuoc Chu / Baltrons, Oriol / Brune, Justine / Dufour, Aurélie / Guinot, Benjamin / Mari, Xavier

    Environmental science and pollution research international

    2018  Volume 25, Issue 26, Page(s) 26653–26668

    Abstract: Southeast Asia is a hotspot of anthropogenic emissions where episodes of recurrent and prolonged atmospheric pollution can lead to the formation of large haze events, giving rise to wide plumes which spread over adjacent oceans and neighbouring countries. ...

    Abstract Southeast Asia is a hotspot of anthropogenic emissions where episodes of recurrent and prolonged atmospheric pollution can lead to the formation of large haze events, giving rise to wide plumes which spread over adjacent oceans and neighbouring countries. Trace metal concentrations and Pb isotopic ratios in atmospheric particulate matter < 10 μm (PM
    MeSH term(s) Air Pollutants/analysis ; Atmosphere/chemistry ; Environmental Monitoring/methods ; Industry ; Isotopes/analysis ; Lead/administration & dosage ; Metalloids/analysis ; Metals, Heavy/analysis ; Oceans and Seas ; Particle Size ; Particulate Matter/analysis ; Vietnam
    Chemical Substances Air Pollutants ; Isotopes ; Metalloids ; Metals, Heavy ; Particulate Matter ; Lead (2P299V784P)
    Language English
    Publishing date 2018-07-12
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-018-2722-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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  2. Article ; Online: Embryotoxic and genotoxic effects of heavy metals and pesticides on early life stages of Pacific oyster (Crassostrea gigas).

    Mai, Huong / Cachot, Jérôme / Brune, Justine / Geffard, Oliver / Belles, Angel / Budzinski, Hélène / Morin, Bénédicte

    Marine pollution bulletin

    2012  Volume 64, Issue 12, Page(s) 2663–2670

    Abstract: This study evaluated embryotoxicity and genotoxicity of two dissolved metals copper and cadmium (Cu and Cd) and two pesticides (metolachlor and irgarol) occurring in Arcachon Bay (SW France) in Pacific oyster (Crassostrea gigas) larvae and investigated ... ...

    Abstract This study evaluated embryotoxicity and genotoxicity of two dissolved metals copper and cadmium (Cu and Cd) and two pesticides (metolachlor and irgarol) occurring in Arcachon Bay (SW France) in Pacific oyster (Crassostrea gigas) larvae and investigated the relationship between those two endpoints. Embryotoxicity was measured by calculating the percentage of abnormal D-shaped larvae and genotoxicity was evaluated with DNA strand breaks using the comet assay. After 24h exposure, significant increases of the percentage of abnormal D-larvae and the DNA strand breaks were observed from 0.1 μg L⁻¹ for Cu, 10 μg L⁻¹ for Cd and 0.01 μg L⁻¹ for both irgarol and metolachlor in comparison with the controls. A strong positive relationship between embryotoxicity and genotoxicity was recorded for Cu, Cd and metolachlor. The current study suggests that copper, irgarol and metolachlor can induce larval abnormalities and DNA damage in a population of exposed oysters at environmentally relevant concentrations.
    MeSH term(s) Acetamides/toxicity ; Animals ; Cadmium/toxicity ; Comet Assay ; Copper/toxicity ; Crassostrea ; DNA Damage ; Embryo, Nonmammalian/drug effects ; France ; Larva/drug effects ; Metals, Heavy/toxicity ; Mutagens/toxicity ; Pesticides/toxicity ; Teratogens/toxicity ; Triazines/toxicity ; Water Pollutants, Chemical/toxicity
    Chemical Substances Acetamides ; Metals, Heavy ; Mutagens ; Pesticides ; Teratogens ; Triazines ; Water Pollutants, Chemical ; Cadmium (00BH33GNGH) ; irgarol 1051 (28159-98-0) ; Copper (789U1901C5) ; metolachlor (X0I01K05X2)
    Language English
    Publishing date 2012-12
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2012.10.009
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Coral Mucus Is a Hot Spot for Viral Infections.

    Nguyen-Kim, Hanh / Bettarel, Yvan / Bouvier, Thierry / Bouvier, Corinne / Doan-Nhu, Hai / Nguyen-Ngoc, Lam / Nguyen-Thanh, Thuy / Tran-Quang, Huy / Brune, Justine

    Applied and environmental microbiology

    2015  Volume 81, Issue 17, Page(s) 5773–5783

    Abstract: There is increasing suspicion that viral communities play a pivotal role in maintaining coral health, yet their main ecological traits still remain poorly characterized. In this study, we examined the seasonal distribution and reproduction pathways of ... ...

    Abstract There is increasing suspicion that viral communities play a pivotal role in maintaining coral health, yet their main ecological traits still remain poorly characterized. In this study, we examined the seasonal distribution and reproduction pathways of viruses inhabiting the mucus of the scleractinians Fungia repanda and Acropora formosa collected in Nha Trang Bay (Vietnam) during an 11-month survey. The strong coupling between epibiotic viral and bacterial abundance suggested that phages are dominant among coral-associated viral communities. Mucosal viruses also exhibited significant differences in their main features between the two coral species and were also remarkably contrasted with their planktonic counterparts. For example, their abundance (inferred from epifluorescence counts), lytic production rates (KCN incubations), and the proportion of lysogenic cells (mitomycin C inductions) were, respectively, 2.6-, 9.5-, and 2.2-fold higher in mucus than in the surrounding water. Both lytic and lysogenic indicators were tightly coupled with temperature and salinity, suggesting that the life strategy of viral epibionts is strongly dependent upon environmental circumstances. Finally, our results suggest that coral mucus may represent a highly favorable habitat for viral proliferation, promoting the development of both temperate and virulent phages. Here, we discuss how such an optimized viral arsenal could be crucial for coral viability by presumably forging complex links with both symbiotic and adjacent nonsymbiotic microorganisms.
    MeSH term(s) Animals ; Anthozoa/microbiology ; Anthozoa/virology ; Bacteria/genetics ; Bacteria/isolation & purification ; Mucus/virology ; Seasons ; Vietnam ; Virus Physiological Phenomena ; Viruses/genetics ; Viruses/isolation & purification
    Language English
    Publishing date 2015-09-01
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 223011-2
    ISSN 1098-5336 ; 0099-2240
    ISSN (online) 1098-5336
    ISSN 0099-2240
    DOI 10.1128/AEM.00542-15
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 201: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  4. Article: Embryotoxic and genotoxic effects of heavy metals and pesticides on early life stages of Pacific oyster (Crassostrea gigas)

    Mai, Huong / Cachot, Jérôme / Brune, Justine / Geffard, Oliver / Belles, Angel / Budzinski, Hélène / Morin, Bénédicte

    Marine pollution bulletin

    Volume v. 64,, Issue no. 1

    Abstract: This study evaluated embryotoxicity and genotoxicity of two dissolved metals copper and cadmium (Cu and Cd) and two pesticides (metolachlor and irgarol) occurring in Arcachon Bay (SW France) in Pacific oyster (Crassostrea gigas) larvae and investigated ... ...

    Abstract This study evaluated embryotoxicity and genotoxicity of two dissolved metals copper and cadmium (Cu and Cd) and two pesticides (metolachlor and irgarol) occurring in Arcachon Bay (SW France) in Pacific oyster (Crassostrea gigas) larvae and investigated the relationship between those two endpoints. Embryotoxicity was measured by calculating the percentage of abnormal D-shaped larvae and genotoxicity was evaluated with DNA strand breaks using the comet assay. After 24h exposure, significant increases of the percentage of abnormal D-larvae and the DNA strand breaks were observed from 0.1μgL⁻¹ for Cu, 10μgL⁻¹ for Cd and 0.01μgL⁻¹ for both irgarol and metolachlor in comparison with the controls. A strong positive relationship between embryotoxicity and genotoxicity was recorded for Cu, Cd and metolachlor. The current study suggests that copper, irgarol and metolachlor can induce larval abnormalities and DNA damage in a population of exposed oysters at environmentally relevant concentrations.
    Keywords embryotoxicity ; copper ; endpoints ; genotoxicity ; metolachlor ; at-risk population ; DNA damage ; oysters ; larvae ; Crassostrea gigas ; DNA ; cadmium ; water pollution ; heavy metals
    Language English
    Document type Article
    ISSN 0025-326X
    Database AGRIS - International Information System for the Agricultural Sciences and Technology

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