Investigations into occurrence of fungus Aphanomyces frigidophilus in water of springs Dojlidy Górne, Jaroszówka and Pietrasze within the town Białystok in Podlasie Province, Poland were conducted in Winter, Spring, Summer and Autumn of the year 2005. Samples were processed in the laboratory by routine methods commonly used to isolate these organisms. Bait method with the use of hemp seeds Can...

Eco-RI-A fragments of the human ribosomal RNA gene family from two types of tissue and three individuals were cloned in lambda vectors and compared by restriction enzyme digestion and electron microscopy. The EcoRI fragment A contains (i) 0.2 kb of the 3' end of the 18S rDNA, (ii) 2.5 kb of internal transcribed spacer and the 5.8S rDNA, and (iii) 4.6 kb of the 28S rDNA gene. All of the six clon...