Short report: Molecular insights for Giardia, Cryptosporidium, and soil-transmitted helminths from a facility-based surveillance system in Guatemala

Am J Trop Med Hyg. 2011 Dec;85(6):1141-3. doi: 10.4269/ajtmh.2011.11-0437.

Abstract

We molecularly characterized samples with Giardia, Cryptosporidium, and soil-transmitted helminths from a facility-based surveillance system for diarrhea in Santa Rosa, Guatemala. The DNA sequence analysis determined the presence of Giardia assemblages A (N = 7) and B (N = 12) and, Cryptosporidium hominis (N = 2) and Cryptosporidium parvum (N = 2), suggestive of different transmission cycles. All 41 samples with soil-transmitted helminths did not have the β-tubulin mutation described for benzimidazole resistance, suggesting potential usefulness in mass drug administration campaigns.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Animals
  • Anthelmintics / therapeutic use
  • Ascariasis / drug therapy
  • Ascariasis / parasitology
  • Ascaris lumbricoides / genetics
  • Child
  • Child, Preschool
  • Cryptosporidiosis / drug therapy
  • Cryptosporidiosis / parasitology
  • Cryptosporidium / genetics*
  • Cryptosporidium / physiology
  • Cryptosporidium parvum / genetics
  • Cryptosporidium parvum / physiology
  • Drug Resistance / genetics
  • Giardia / genetics*
  • Giardia / physiology
  • Giardiasis / drug therapy
  • Giardiasis / parasitology
  • Guatemala
  • Helminths / genetics*
  • Helminths / physiology
  • Humans
  • Infant
  • Infant, Newborn
  • Middle Aged
  • Real-Time Polymerase Chain Reaction
  • Soil / parasitology
  • Trichuriasis / drug therapy
  • Trichuriasis / parasitology
  • Trichuris / genetics
  • Trichuris / physiology
  • Young Adult

Substances

  • Anthelmintics
  • Soil