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Key message In maize seedlings, severe cold results in dysregulation of circadian pattern of gene expression causing profound modulation of transcription of genes related to photosynthesis and other key biological processes. Abstract Plants live highly cyclic life and their response to environmental stresses must allow for underlying biological rhythms. To study the interplay of a stress and a rhythmic...
Populations of three sympatric species (Daphnia cucullata, Daphnia galeata, and Daphnia hyalina (Daphnia longispina complex)) inhabiting three lakes in northeastern Poland (Roś, Mikołajskie, Wigry) were checked for interspecific hybrids. Hybrid Daphnia coexisting with parental individuals were detected in each of the investigated lakes. Several classes of hybrids (F1, F2, backcrosses), including D...
The Widawka river, the right-handed tributary of the Warta river, distinguishes itself for the presence of meadows and other permanent plant communities, which occur along both its entire flood and meadow terraces. In its upper course, the river accepts waters from deep draining of the Bełchatów brown coal mine. The main objective of the performed investigations was to determine the extent and causes...
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