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J Nematol. 1990 Jan;22(1):119-26.

Carbohydrate-mediated Recognition of Larval Mosquito Hosts by Romanomermis culicivorax.

Abstract

Proteases, glycosidases, and lectins were tested and the results supported a role in host recognition for glycoproteins containing beta-glucose and alpha-mannose on the cuticular surface of host and parasite. Carbohydrates containing alpha-glucose, galactose, fucose, or N-acetylglucosamine residues apparently are not involved in nematode attachment. Chitin or a related N-acetylglucosamine polymer was found in R. culicivorax preparasites. Treatment of preparasites with neuraminidase, which hydrolyzes sialic acids, increased nematode attachment to Anopheles freeborni larvae.

KEYWORDS:

Anopheles freeborni; Romanomermis culicivorax; carbohydrate; host recognition; mosquito cuticle; nematode cuticle

PMID:
19287698
PMCID:
PMC2619019
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