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Tomato spotted wilt virus (TSWV) was identified in green red-rimmed ringspots on spider lily (Hymenocallis spp.) leaves in Brisbane, Australia. Tospovirus-like particles were seen in thin sections of those lesions. RT-PCR using tospovirus-specific primers amplified a DNA fragment whose sequence matched TSWV S RNA. The virus caused symptoms in Nicotiana benthamiana following mechanical transmission...
The impact of pollutants in an organism can be observed by changes in functional complexity at different levels. Bivalve gills are suitable for histopathological analysis because of their structure and function. This study aimed at examining the morphology of Mytella falcata gill filaments from three sites in the Santos estuary (São Paulo, Brazil) with different levels of environmental degradation...
Bivalve filter feeders are sessile animals that live in constant contact with water and its pollutants. Their gill is an organ highly exposed to these conditions due to its large surface and its involvement in gas exchanges and feeding. The bivalve Mytella falcata is found in estuaries of Latin America, on the Atlantic as well as the Pacific Coast. It is commonly consumed, and sometimes is the only...
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