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Peptidomic analysis of norepinephrine-stimulated skin secretions from the octoploid Mawa clawed frog Xenopus boumbaensis Loumont, 1983 led to the identification and characterization of 15 host-defense peptides belonging to the magainin (two peptides), peptide glycine-leucine-amide (PGLa; three peptides), xenopsin precursor fragment (XPF; three peptides), caerulein precursor fragment (CPF; two peptides),...
Mueller's clawed frog Xenopus muelleri (Peters 1844) occupies two non-contiguous ranges in east and west Africa. The phylogenetic relationship between the two populations is unclear and it has been proposed that the western population represents a separate species. Peptidomic analysis of norepinephrine-stimulated skin secretions from X. muelleri from the eastern range resulted in the identification...
A putative genome duplication event within the Silurana lineage has given rise to the tetraploid frog S. paratropicalis and a second polyploidization within the Xenopus lineage has produced the octoploid frog X. andrei. Peptidomic analysis of norepinephrine-stimulated skin secretions of S. paratropicalis and X. andrei led to identification of multiple peptides with growth-inhibitory activity against...
The Volcano clawed frog Xenopus amieti Kobel, du Pasquier, Fischberg, and Gloor, 1980, with a chromosome number of 2n=72, is believed to have undergone two rounds of genome duplication since evolving from a diploid ancestor. Nine peptides with differential antimicrobial activity against Escherichia coli and Staphylococcus aureus were isolated from norepinephrine-stimulated skin secretions of X. amieti...
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