Libia Yael Smith

ORCID: 0000-0003-3757-7180
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About
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Research Areas
  • Escherichia coli research studies
  • Vibrio bacteria research studies
  • Viral gastroenteritis research and epidemiology
  • Hematopoietic Stem Cell Transplantation
  • Transgenic Plants and Applications
  • Insect and Pesticide Research
  • Chronic Lymphocytic Leukemia Research
  • Acute Lymphoblastic Leukemia research
  • Pesticide and Herbicide Environmental Studies
  • Species Distribution and Climate Change
  • Amphibian and Reptile Biology
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Wildlife Ecology and Conservation
  • Spondyloarthritis Studies and Treatments
  • Salmonella and Campylobacter epidemiology
  • Reproductive tract infections research
  • Dermatology and Skin Diseases

Instituto de Agrobiotecnología del Litoral
2023-2025

Consejo Nacional de Investigaciones Científicas y Técnicas
2025

National University of the Northeast
2023

CSIRO Land and Water
2014

University of Cambridge
1974-2001

Addenbrooke's Hospital
2001

Abstract EHEC O157:H7 is responsible for Hemolytic Uremic Syndrome (HUS) outbreaks in humans and its virulence associated with Shiga toxin (Stx). During the pathogenesis of HUS, phagocytized by intestinal host macrophage into phagosome. According to our study, a low percentage bacteria survived murine To understand initials mechanisms involved bacterial persistence, we performed global profile RNAseq analysis early phagosome vitro assays more extreme stress conditions. The defense strategy...

10.1101/2024.12.18.629128 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2025-01-04

S ummary . Lymphocytes from six patients with acute lymphoblastic leukaemia (ALL) were studied in vitro for thymus (T‐cell) and bone marrow‐derived (B‐cell) markers. Leukaemic lymphoblasts did not form rosettes sheep erythrocytes (T‐cell marker) or bear surface immunoglobulin determinants by indirect immuno‐fluorescent staining (B‐cell marker). The failure of to was apparently due the fact that various stages cell cycle, as mitogen‐transformed T‐cells mitosis retained their capacity...

10.1111/j.1365-2141.1974.tb00505.x article EN British Journal of Haematology 1974-04-01

ABSTRACT Chlamydia trachomatis is an obligate intracellular pathogen. Infection of susceptible individuals with this bacterium can trigger the development reactive arthritis, acute inflammation that associated expression class I major histocompatibility antigen, HLA-B27. Other facultative pathogens, such as Yersinia and Salmonella spp., are also known triggers arthritis. Previous studies report conflicting results concerning whether presence HLA-B27 modulates infection cells these enteric...

10.1128/iai.69.11.6670-6675.2001 article EN Infection and Immunity 2001-11-01

Abstract Shiga toxing-producing Escherichia coli (STEC) O22:H8 strain is a serotype occasionally isolated in Argentinian cattle. Preliminary works showed that the cattle carrying STEC strains could not be experimentally colonized by EHEC O157:H7 strain. The type 6 secretion system (T6SS) one of most versatile virulence mechanisms involved delivering effectors, particularly T6SS1 translocate antibacterial toxins effectors during bacterial competition for niche-space. In this work, we evidence...

10.1101/2024.03.05.583533 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2024-03-05

How coexisting species partition resources is a central focus of ecology, and diet an important potential axis competition. Here, we study the syntopic populations lizards Ameivula apipensis Teius oculatus from island in northeastern Argentina. Based on stomach contents extracted specimens collected September December 2012 February 2013, analyzed prey richness abundance calculated both trophic niche breadth degree dietary overlap for two species. Both were almost completely insectivorous,...

10.15446/caldasia.v45n2.100682 article EN cc-by Caldasia 2023-05-02
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