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Structural insight in the inhibition of adherence of F4 fimbriae producing enterotoxigenic Escherichia coli by llama single domain antibodies
Tijdschriftbijdrage - Tijdschriftartikel
Enterotoxigenic Escherichia coli that cause neonatal and post-weaning diarrhea in piglets express F4 fimbriae to
mediate attachment towards host receptors. Recently we described how llama single domain antibodies (VHHs)
fused to IgA, produced in Arabidopsis thaliana seeds and fed to piglets resulted in a progressive decline in shedding of
F4 positive ETEC bacteria. Here we present the structures of these inhibiting VHHs in complex with the major adhesive
subunit FaeG. A conserved surface, distant from the lactose binding pocket, is targeted by these VHHs, highlighting the
possibility of targeting epitopes on single-domain adhesins that are non-involved in receptor binding.
mediate attachment towards host receptors. Recently we described how llama single domain antibodies (VHHs)
fused to IgA, produced in Arabidopsis thaliana seeds and fed to piglets resulted in a progressive decline in shedding of
F4 positive ETEC bacteria. Here we present the structures of these inhibiting VHHs in complex with the major adhesive
subunit FaeG. A conserved surface, distant from the lactose binding pocket, is targeted by these VHHs, highlighting the
possibility of targeting epitopes on single-domain adhesins that are non-involved in receptor binding.
Tijdschrift: Vet Res
ISSN: 1297-9716
Issue: 1
Volume: 46
Pagina's: 14-21
Jaar van publicatie:2015
CSS-citation score:2