Pseudodiarrhoea in zebra mussels Dreissena polymorpha (Pallas)exposed to microcystins

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Pseudodiarrhoea in zebra mussels Dreissena polymorpha (Pallas) exposed to microcystins.

Microcystins are produced by bloom-forming cyanobacteria and pose significant health and ecological problems. In this study we show that zebra mussels respond differently to different strains of Microcystis aeruginosa, and that a highly toxic strain causes zebra mussels to produce large quantities of mucous pseudofaeces, 'pseudodiarrhoea', that are periodically expelled hydraulically through th...

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Induction of micronuclei in haemocytes and gill cells of zebra mussels, Dreissena polymorpha, exposed to clastogens.

Zebra mussels, Dreissena polymorpha, were exposed to four directly acting reference clastogens (mitomycin C, bleomycin, dimethylarsinic acid and potassium chromate) under laboratory conditions. The aim was to examine the inducibility of micronuclei (MN) in haemocytes and gill cells. Positive responses were observed in both tissues for all four substances used under the given test conditions. Th...

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Secondary spread of zebra mussels (Dreissena polymorpha) in coupled lake-stream systems

We postulated that dispersal through streams is an important factor in the spread of nonindigenous aquatic species to uninvaded lakes. We tested this hypothesis with zebra mussels (Dreissena polymorpha), whose planktonic larvae are particularly prone to transport through streams. To examine this potential mechanism of spread, we (1) assessed populations of zebra mussels in 2000 and 2003 in coup...

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ژورنال

عنوان ژورنال: Journal of Experimental Biology

سال: 2006

ISSN: 1477-9145,0022-0949

DOI: 10.1242/jeb.02081