Geographic-specific genotypes or topotypes of human T-cell lymphotropic virus type I as markers for early and recent migrations of human populations.

env gag

Amino Acid Sequence Biological Evolution Emigration and Immigration Gene Products, env/genetics Gene Products, gag/genetics Genetic Markers Genetic Variation Genetics, Population Genotype HTLV-I Infections/epidemiology,microbiology Human T-lymphotropic virus 1/genetics,isolation & purification Humans Melanesia/epidemiology,ethnology Molecular Sequence Data

Gene Products, env Gene Products, gag Genetic Markers