Andrés Esteban Pereira

ORCID: 0000-0002-4359-8458
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About
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Research Areas
  • Mollusks and Parasites Studies
  • Parasite Biology and Host Interactions
  • Helminth infection and control
  • Coccidia and coccidiosis research
  • Meat and Animal Product Quality
  • Aquatic Invertebrate Ecology and Behavior
  • Antimicrobial Peptides and Activities
  • Protein Hydrolysis and Bioactive Peptides
  • Insect Utilization and Effects
  • Parasites and Host Interactions
  • Advanced Chemical Sensor Technologies
  • Paleopathology and ancient diseases
  • Pharmacological Effects and Assays
  • Cephalopods and Marine Biology
  • Neurobiology and Insect Physiology Research

Industrial University of Santander
2016-2024

Staphylococcus aureus is an important etiological agent that causes skin infections, and has the propensity to form biofilms, leading significant mortality morbidity in patients with wounds. Mucus secretion from Giant African snail Achatina fulica a potential source of biologically active substances might be for new drugs treat resistant biofilm-forming bacteria such as S. aureus. This study evaluated effect semi-purified fractions mucus A. on growth, biofilm formation virulence factors Two...

10.3390/antibiotics10121548 article EN cc-by Antibiotics 2021-12-17

Introduction: The giant African snail Achatina fulica is recognized as a scourge affecting biodiversity, public health and productivity. However, it has been shown that the mucus cosmetic, healing antimicrobial properties. Objective: Determine physico-chemical characteristics evaluate activity of mucus. Methodology: Qualitative quantitative determinations carbohydrates, proteins lipids were made by biochemical tests. Using multiparameter meter parameters electrical conductivity, redox...

10.18273/revsal.v48n2-2016003 article EN cc-by Salud UIS 2016-04-01

Abstract Cryptic species can present a significant challenge to the application of systematic and biogeographic principles, especially if they are invasive or transmit parasites pathogens. Detecting cryptic requires pluralistic approach in which molecular markers facilitate detection coherent taxonomic units that then be analyzed using various traits (e.g., internal morphology) crosses. In asexual self-fertilizing species, latter criteria limited use. We studied group freshwater snails...

10.1101/647867 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-05-24

Objetivo. Evaluar la presencia de helmintos en Didelphis marsupialis y Rattus rattus zonas invasión del Caracol Gigante Africano Achatina fulica el área metropolitana Bucaramanga, Santander. Metodología. Se capturaron ejemplares rattus, los cuales se analizaron para órganos internos. Resultados. El nematodo Angiostrongylus sp. no halló vasos sanguíneos las dos especies mamífero examinadas. En tracto digestivo hallaron nematodos Physaloptera sp., Aspidodera Travassostrongylus Cruzia Trichuris...

10.17533/udea.acbi.v43n114a03 article ES cc-by-nc-sa Deleted Journal 2021-04-07

Abstract Anteriorly we found Haemocyanin-derived peptides in semi-purified fractions of mucus secretion Achatina fulica that showed an inhibitory effect on S. aureus strains. Here, applied silico rational design strategy to obtain new potential Antimicrobial Peptides (AMPs) from A. haemocyanin-derived (AfH). Designed were chemically synthetized using the Fmoc and antimicrobial activity against E. coli strains was investigated broth microdilution method. Cytotoxic Vero, HaCat, human...

10.1101/2023.08.15.553437 preprint EN bioRxiv (Cold Spring Harbor Laboratory) 2023-08-16

Abstract Fasciola hepatica is a parasite with worldwide distribution that affects several mammals, including humans, and considered public health problem. Therefore, the aim of this study was to determine prevalence in cattle sheep, as well evaluate factors associated prevalence. A total 185 serum samples from 290 cattle, 114 humans were collected processed using an in-house developed ELISA detect IgG antibodies against F. hepatica. Additionally, stool sheep examined Dennis sedimentation...

10.1590/s1984-29612023071 article EN cc-by Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology 2023-01-01
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