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Giardia duodenalis genotypes among schoolchildren and their families and pets in urban and rural areas of Sinaloa, Mexico.

Abstract Giardiasis is a human health concern worldwide, especially among schoolchildren. Giardia duodenalis genotypes A and B are infective to humans, but their zoonotic potential remains controversial. In Mexico, the most prevalent genotype is A, but B was also detected in southeastern Mexico. In Sinaloa state, northwestern Mexico, giardiasis is highly prevalent, but Giardia genotypes have been poorly studied.
PMID
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Authors

Mayor MeshTerms

Genetic Variation

Genotype

Keywords
Journal Title journal of infection in developing countries
Publication Year Start




PMID- 28248680
OWN - NLM
STAT- MEDLINE
DA  - 20170301
DCOM- 20170315
LR  - 20170315
IS  - 1972-2680 (Electronic)
IS  - 1972-2680 (Linking)
VI  - 11
IP  - 2
DP  - 2017 Feb 28
TI  - Giardia duodenalis genotypes among schoolchildren and their families and pets in 
      urban and rural areas of Sinaloa, Mexico.
PG  - 180-187
LID - 10.3855/jidc.8223 [doi]
AB  - INTRODUCTION: Giardiasis is a human health concern worldwide, especially among
      schoolchildren. Giardia duodenalis genotypes A and B are infective to humans, but
      their zoonotic potential remains controversial. In Mexico, the most prevalent
      genotype is A, but B was also detected in southeastern Mexico. In Sinaloa state, 
      northwestern Mexico, giardiasis is highly prevalent, but Giardia genotypes have
      been poorly studied. METHODOLOGY: This study aimed to investigate the
      distribution and clinical-epidemiological correlation of G. duodenalis genotypes 
      in schoolchildren and their families and pets in urban and rural areas of Sinaloa
      state, Mexico. RESULTS: Among 395 schoolchildren (274 urban, 121 rural), 76 (49
      urban, 27 rural) were infected with G. duodenalis. In total, 22 families (15
      urban, 7 rural) of infected schoolchildren, consisting of 60 family members (41
      urban, 19 rural) and 21 pet dogs (15 urban, 6 rural) were examined; 10 family
      members (5 urban, 5 rural) and 5 pet dogs (3 urban, 2 rural) of 10 families (6
      urban, 4 rural) were infected. After PCR-RFLP analyses of vsp417 and gdh genes,
      genotype prevalence among infected urban schoolchildren was 79.5% AI, 12.8% AII, 
      and 7.7% mixed AI+B. However, only AI genotype was found in family members and
      pets. In the rural area, only the AI genotype was detected. Genotypes were not
      correlated with clinical manifestations. CONCLUSIONS: This paper shows the
      presence of B genotype in northwestern Mexico for the first time. Detection of AI
      genotype in dogs suggested the possible role of dogs as the reservoir for human
      giardiasis in Sinaloa, Mexico.
FAU - Garcia-Cervantes, Patricia Catalina
AU  - Garcia-Cervantes PC
AD  - Autonomous University of Sinaloa (UAS) Sinaloa, Mexico.
      patriciacgarcia.c@gmail.com.
FAU - Baez-Flores, Maria Elena
AU  - Baez-Flores ME
FAU - Delgado-Vargas, Francisco
AU  - Delgado-Vargas F
FAU - Ponce-Macotela, Martha
AU  - Ponce-Macotela M
FAU - Nawa, Yukifumi
AU  - Nawa Y
FAU - De-la-Cruz-Otero, Maria Del-Carmen
AU  - De-la-Cruz-Otero MD
FAU - Martinez-Gordillo, Mario N
AU  - Martinez-Gordillo MN
FAU - Diaz-Camacho, Sylvia Paz
AU  - Diaz-Camacho SP
LA  - eng
PT  - Journal Article
DEP - 20170228
PL  - Italy
TA  - J Infect Dev Ctries
JT  - Journal of infection in developing countries
JID - 101305410
SB  - IM
MH  - Animals
MH  - Child
MH  - Dogs
MH  - Female
MH  - *Genetic Variation
MH  - *Genotype
MH  - Giardia lamblia/*classification/*genetics/isolation & purification
MH  - Giardiasis/epidemiology/*parasitology/*veterinary
MH  - Humans
MH  - Male
MH  - Mexico/epidemiology
MH  - Molecular Epidemiology
MH  - Molecular Typing
MH  - Pets
MH  - Polymerase Chain Reaction
MH  - Polymorphism, Restriction Fragment Length
MH  - Prevalence
MH  - Rural Population
MH  - Surveys and Questionnaires
MH  - Urban Population
EDAT- 2017/03/02 06:00
MHDA- 2017/03/16 06:00
CRDT- 2017/03/02 06:00
PHST- 2016/02/06 [received]
PHST- 2016/05/04 [accepted]
PHST- 2016/03/22 [revised]
PST - epublish
SO  - J Infect Dev Ctries. 2017 Feb 28;11(2):180-187. doi: 10.3855/jidc.8223.

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