Defensins are a family of host defence peptides that play an important role in the innate immunity of mammalian and avian species. In humans, four β-defensins have been isolated so far, corresponding to the products of the genes DEFB1 (h-BD1, GenBank accession number NM_005218); DEFB4 (h-Bd2, NM_004942.2), DEFB103 (h-BD3, NM_018661); and DEFB104 (hBD4, NM_080389) mapping on chromosome 8p23.22. We have localized β-defensin genes on metaphasic chromosomes of great apes and several non-human primate species to determine their physical mapping. Using fluorescent in situ hybridization and BAC probes containing the four β-defensin genes, we have mapped the homologous regions to the β-defensin genes on chromosome 8p23-p.22 in non-human primates, while no signals were detected on prosimians chromosomes.

Localization of β-defensin genes in non human primates

Amoroso A.;
2004-01-01

Abstract

Defensins are a family of host defence peptides that play an important role in the innate immunity of mammalian and avian species. In humans, four β-defensins have been isolated so far, corresponding to the products of the genes DEFB1 (h-BD1, GenBank accession number NM_005218); DEFB4 (h-Bd2, NM_004942.2), DEFB103 (h-BD3, NM_018661); and DEFB104 (hBD4, NM_080389) mapping on chromosome 8p23.22. We have localized β-defensin genes on metaphasic chromosomes of great apes and several non-human primate species to determine their physical mapping. Using fluorescent in situ hybridization and BAC probes containing the four β-defensin genes, we have mapped the homologous regions to the β-defensin genes on chromosome 8p23-p.22 in non-human primates, while no signals were detected on prosimians chromosomes.
2004
48
2
195
199
FISH; Homology; Innate immunity; Molecular evolution
Ventura M.; Boniotto M.; Pazienza M.; Palumbo V.; Cardone M.F.; Rocchi M.; Tossi A.; Amoroso A.; Crovella S.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/1772900
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