The effect of Mn on mortality and growth in the freshwater amphipod Paramelita nigroculus (Barnard) exposed to a mixture of Al and Cu in acidic waters

Musibono, Dieudonné E.; Day, Jenny A.

doi:10.1016/s0043-1354(98)00196-1

Cited by 12 publications

(4 citation statements)

References 10 publications

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“…The overall comparison of the main comet parameters revealed the presence of significantly higher levels of DNA damage in the cells of four zooplankton species collected in the polluted Lake Parameters of the alkaline comet assay were evaluated on 100 comets per sample. Statistical evaluation was made using Student's t test for independent samples *p<0.05, significantly increased as compared to sample N 2 ; **p<0.05, significantly increased as compared to sample N 1 Traore et al 1999;Musibono and Day 1999;Fleeger et al 2007). Among potentially genotoxic metals detected in water and sediment in this study there are chromium, copper, lead and zinc, whose DNA damaging potential was confirmed in previous studies on various organisms (Bal and Kasprzak 2002;Hartwig and Schwerdtle 2002;Gabbianelli et al 2003;Barka 2007;Atienzar et al 2001;Offem and Ayotunde 2008;Kakkar and Jaffery 2005).…”

Section: Discussionmentioning

confidence: 99%

Alkaline Comet Assay as a Potential Tool in the Assessment of DNA Integrity in Freshwater Zooplankton Affected by Pollutants from Water Treatment Facility

Ternjej

Stanković²,

Mihaljević

et al. 2009

Water Air Soil Pollut

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In this pilot study, we evaluated the usefulness of the alkaline comet assay as a biomonitoring tool at the level of plankton communities affected by varying water quality. Zooplankton was collected in autumn 2007 and spring 2008 in two shallow lakes, one being predominantly polluted with aluminium compounds as result of water treatment process (Lake Njivice; 45°10′ N, 14°30′ E) and the other unpolluted (Lake Ponikve; 45°05′ N, 14°30′ E) used as control. Water and sediment chemistry parameters were assessed at both lake sampling sites. The results indicated that the main pollutant in both matrices was aluminium, whose concentrations exceeded the value of 0.15 mg/L −1 legally accepted for drinking water by Croatian water quality regulations. Plankton composition of the investigated lakes showed that only a few species are dominant and appear at both sites. Cladocerans are represented by Daphnia magna Straus 1820, and copepods by the calanoid Eudiaptomus padanus etruscus (Losito 1901), the cyclopoid Cyclops sp. and dipterans by larvae of Chaoborus flavicans (Meigen 1830). Other species were determined only occasionally and with low abundance. As observed, the comet assay had adequate sensitivity to detect the differences in levels of DNA damage among the dominant zooplankton taxa. Zooplanktons collected in Lake Njivice show a lower degree of DNA integrity compared with animals from the reference lake (Lake Ponikve). Inter-species variability in DNA damage was observed, indicating different genome susceptibility to the same genotoxic pollutants present in the aquatic environment. Furthermore, in the polluted Lake Njivice, seasonal differences in the levels of DNA damage within particular species of zooplankton were also noted. Calanoida, Daphnia and Chaoborus mainly had higher values of all three comet parameters in autumn 2007 than in spring 2008. Feeding modes strongly influenced the level of DNA damage in zooplankton species studied. We assume that the mechanisms of DNA damage and genotoxicity, as Water Air Soil Pollut (

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Section: Discussionmentioning

confidence: 99%

Alkaline Comet Assay as a Potential Tool in the Assessment of DNA Integrity in Freshwater Zooplankton Affected by Pollutants from Water Treatment Facility

Ternjej

Stanković²,

Mihaljević

et al. 2009

Water Air Soil Pollut

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“…Amphipods used in the exposure were obtained from Skeleton Gorge Stream, which drains the eastern slopes of Table Mountain (Cape Town, South Africa). The species has been previously employed for laboratory toxicity testing, for example, with acidity and heavy metals [16] or with pesticides [17]. Prior to use, P. nigroculus specimens were kept at 20 ± 1°C in an aerated 50‐L tank and fed with Cunonia capensis leaves.…”

Section: Methodsmentioning

confidence: 99%

Using a freshwater amphipod in situ bioassay as a sensitive tool to detect pesticide effects in the field

Schulz

2003

Enviro Toxic and Chemistry

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In situ testing represents an alternative to conventional laboratory toxicity testing of field samples. Juvenile Paramelita nigroculus (Crustacea: Amphipoda) were exposed in situ in two rivers downstream of fruit orchard areas in the Western Cape, South Africa. Exposure took place during six time intervals (3-7 d), of which three represented the first rainfall-induced edge-of-field runoff events of the wet season, which was about two months after the last pesticide application. Survival rates were significantly reduced (35-70%) during runoff events 1 and 2 at both sites. No difference was observed from the respective no-runoff survival rate (>90%) during event 3. Peak levels of total insecticides (azinphosmethyl, chlorpyrifos, endosulfan, and prothiofos) in samples taken with water level-triggered samplers during the runoff events were between 0.03 and 0.26 microg/L in filtered water and between 305 and 870 microg/kg in suspended particles during runoff events 1 and 2 and only up to 0.01 microg/L and 101 microg/kg during event 3. Total suspended solids (TSS) varied between 400 and 700 mg/L during all three runoff events but never exceeded 65 mg/L during no-runoff time intervals. A laboratory experiment revealed that uncontaminated TSS levels of 1,500 mg/L during a 7-d exposure caused insignificant mortality (<2.5%) in P. nigroculus. No acute toxicity was observed in standard 48-h toxicity tests with juvenile Daphnia pulex using the filtered water samples taken during runoff and no-runoff conditions. It is concluded that the observed mortalities were caused by particle-associated pesticides and that the present amphipod in situ bioassay represents a sound and sensitive tool to detect runoff-related insecticide effects under field conditions.

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“…In Russia, the MPS for Mn is rather tough (10 µg/l). According to [31], the occurrence of Mn in the water reduces the toxicity of such elements as Cu and Al, i.e., Mn possesses antagonistic properties in multicomponent water contamination [31].…”

Section: Elementmentioning

confidence: 99%

Assessment of the Geochemical Background and Anthropogenic Load by Bioaccumulation of Microelements in Fish

2005

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Comparative characteristic of several microelements (Ni, Cu, Sr, Al, Zn, Co, Mn, Pb, Cd, Hg, As) found in fish (case study of breams in the Volga basin reservoirs) is presented. Regularities of accumulation of these elements in fish depending on their concentration in the water are analyzed. Main disturbances in fish caused by the accumulation of microelements in their organs and tissues are considered.

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The effect of Mn on mortality and growth in the freshwater amphipod Paramelita nigroculus (Barnard) exposed to a mixture of Al and Cu in acidic waters

Cited by 12 publications

References 10 publications

Alkaline Comet Assay as a Potential Tool in the Assessment of DNA Integrity in Freshwater Zooplankton Affected by Pollutants from Water Treatment Facility

Alkaline Comet Assay as a Potential Tool in the Assessment of DNA Integrity in Freshwater Zooplankton Affected by Pollutants from Water Treatment Facility

Using a freshwater amphipod in situ bioassay as a sensitive tool to detect pesticide effects in the field

Assessment of the Geochemical Background and Anthropogenic Load by Bioaccumulation of Microelements in Fish

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