... Isola-tion of a new type C retrovirus (HTLV) in primary uncul-tured cells of a patient with Sézary T-cell leukaemia. Nature1981, 294:268-271.5. Kalyanaraman VS, Sarngadharan MG, Robert-Guroff ... Miyoshi I, Hatakeyama N, Murakami K, Sawada T, Takimoto Y: Sézary syndrome in an HTLV-I-seronegative, genome-posi-tive Japanese. Am J Hematol 1998, 57:184-185.28. Ellerbrok H, Fleischer C, Salemi ... the ClustalX software [35].Phylogenetic analysisThe PHYLIP program package [36], version 3.65 forMacOS X, with the program modules dnacomp and draw-gram was used with the default parameters...