Prevalence and genetic diversity of Entamoeba histolytica in an institution for the mentally retarded in the Philippines
- W. Rivera, Sherwin R. Santos, H. Kanbara
- Medicine, BiologyParasitology Research
- 2005
A total of 113 mentally retarded patients residing in a mental institution in Metropolitan Manila, Philippines, were screened for the presence of Entamoeba histolytica based on microscopy and…
Antibacterial activities of ethanol extracts of Philippine medicinal plants against multidrug-resistant bacteria
- D. L. Valle, J. I. Andrade, J. Puzon, E. Cabrera, W. Rivera
- Medicine, Biology
- 1 July 2015
Detection of Entamoeba dispar DNA in macaque feces by polymerase chain reaction
- W. Rivera, H. Kanbara
- BiologyParasitology Research
- 20 April 1999
The results of this survey provide additional baseline information on naturally acquired infectious agents of macaque monkeys and offer an accurate tool for detection of E. histolytica and E. dispar, which are needed for biomedical research using nonhuman primate models.
Tannin-rich fraction from Terminalia catappa inhibits quorum sensing (QS) in Chromobacterium violaceum and the QS-controlled biofilm maturation and LasA staphylolytic activity in Pseudomonas…
- Joemar Taganna, J. Quanico, Rose Marie G Perono, E. Amor, W. Rivera
- BiologyJournal of Ethnopharmacology
- 12 April 2011
Genotyping of Giardia duodenalis isolates among residents of slum area in Manila, Philippines
- J. A. Yason, W. Rivera
- BiologyParasitology Research
- 1 April 2007
This is the first report on the identification of genotypes of G. duodenalis in the Philippines and the results can serve as basis for future control and prevention of giardiasis and parasitism in the country.
Phylogenetic analysis of Blastocystis isolates from animal and human hosts in the Philippines.
- W. Rivera
- BiologyVeterinary parasitology
- 1 October 2008
Entamoeba histolytica and E. dispar infections in captive macaques (Macaca fascicularis) in the Philippines
- W. Rivera, J. A. Yason, D. Adao
- BiologyPrimates
- 2009
This is the first report of the molecular detection of E. histolytica and E. dispar among macaques in the Philippines, a major exporter of monkeys for biomedical research purposes, so screening animals before transporting them to other locations lessens the risk of spreading zoonoses to a wider area.
Antimicrobial activity and cytotoxicity of Chromolaena odorata (L. f.) King and Robinson and Uncaria perrottetii (A. Rich) Merr. extracts.
- Pierangeli G. Vital, W. Rivera
- Biology
- 31 July 2009
The antiprotozoal and cytotoxicity assays against Trichomonas vaginalis and Blastocystis hominis illustrated that both plant extracts can reduce the number of parasites.
Field study on the distribution of Entamoeba histolytica and Entamoeba dispar in the northern Philippines as detected by the polymerase chain reaction.
- W. Rivera, H. Tachibana, H. Kanbara
- MedicineAmerican Journal of Tropical Medicine and Hygiene
- 1 December 1998
The results of this survey demonstrate that E. dispar is highly prevalent in the communities studied and offers promise for the PCR using DNA extracted from formalin-fixed stools as a sensitive epidemiologic tool for detecting E. histolytica andE.
Ultrastructural and molecular characterization of Balantidium coli isolated in the Philippines
- Ma. Lourdes Nilles-Bije, W. Rivera
- BiologyParasitology Research
- 2009
It is suggested that morphological characteristics along with molecular identification are essential for validating and identifying species of Balantidium.
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