The aim of the study was to evaluate subchronic toxic effects of the preparation LASSO MTX (alachlor 42% W/V) on hematological indices and histology of the common carp (Cyprinus carpio L.). In carp exposed for 28 days to LASSO MTX in the concentration of 2,400 microg L(-1), significant differences (p < 0.
View Article and Find Full Text PDFTissue samples from 1,117 fish of 25 species were collected from 1991 through 1996 at 13 locations along the River Elbe. The principal indicator species were perch (Perca fluviatilis) (n=118), chub (Leuciscus cephalus L.) (n=113) and roach (Rutilus rutilus) (n=138).
View Article and Find Full Text PDFCytokinin (CK) has been known to inhibit primary root elongation and suggested to act as an auxin antagonist in the regulation of lateral root (LR) formation. While the role of auxin in root development has been thoroughly studied, the detailed and overall description of CK effects on root system morphology, particularly that of developing lateral root primordia (LRPs), and hence its role in organogenesis is still in progress. Here we examine the effects of conditional endogenous CK overproduction on root architecture and consider its temporal aspect during the early development of Arabidopsis thaliana.
View Article and Find Full Text PDFThe primary aim of the research was to find the delay between the first symptoms of an autistic disorder being recognized by parents and diagnosis in our centre. A secondary objective was to evaluate the number of contacts with professionals (physicians, teachers, and speech therapists) in which parents pointed out special manifestations seen in children and, in spite of that, the children were not referred to a specialist. A retrospective study assessed 204 children (59 girls, 145 boys) in total; 126 children (39 girls, 87 boys) with childhood autism (CHA), 57 (17 girls, 40 boys) with atypical autism (AA), and 21 (3 girls, 18 boys) with Asperger's syndrome (AS).
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