Publications by authors named "Jonathan Gonzalez"

Background: Respiratory viruses are an important cause of nonbattle injury disease and contribute to the top seven reasons for medical encounters. In the absence of vaccines that provide complete protection against these viruses, viral surveillance can identify disease burden and target virus-specific preventative measures. Influenza infection, in particular, has significant adverse effects on force readiness.

View Article and Find Full Text PDF

Chile has a shortage of medical experts, including neurologists. The remote neurology program at Las Higueras Hospital in Talcahuano (HHT) was implemented in 2015 to decrease the number of patients waiting for their first appointment. This retrospective study analyzed a cohort of 2,904 ambulatory patients evaluated in the teleneurology program at the HHT between 2015 and 2019 who were referred from 16 primary and 3 tertiary healthcare centers.

View Article and Find Full Text PDF

Growth differentiation factor 11 (GDF11) has been characterized as a key regulator of differentiation in cells that retain stemness features. Recently, it has been reported that GDF11 exerts tumor-suppressive properties in hepatocellular carcinoma cells, decreasing clonogenicity, proliferation, spheroid formation, and cellular function, all associated with a decrement in stemness features, resulting in mesenchymal to epithelial transition and loss of aggressiveness. The aim of the present work was to investigate the mechanism associated with the tumor-suppressive properties displayed by GDF11 in liver cancer cells.

View Article and Find Full Text PDF

Apple bitter rot caused by Colletotrichum species is a growing problem worldwide. Colletotrichum spp. are economically important but taxonomically un-resolved.

View Article and Find Full Text PDF

Unlabelled: Backround There is a shortage of medical specialists in Chile, including neurologists; currently, there are 56,614 patients waiting for a first adult Neurology appointment in the country. The Teleneurology Program at the Hospital Las Higueras de Talcahuano (HHT) was implemented in 2015 to help reduce both the number of patients waiting for a first consultation and their waiting times.

Methods: This retrospective study analyzed a cohort of 8269 patients referred to the HHT Neurology clinic between 2013 and 2018, from primary, secondary, and tertiary health centers.

View Article and Find Full Text PDF

Septins are highly conserved GTP-binding proteins that function in cell cytokinesis, polarity and morphogenesis. To evaluate the roles of these proteins in inoculum health and disease, mutants deleted for each of five septin proteins (Cdc3, Cdc10, Cdc11, Cdc12, and Cdc100) were characterized in the ascomycete Cochliobolus heterostrophus for ability to develop asexual and sexual spores and for virulence to the host maize. Strains deleted for CDC3, CDC10, CDC11, and CDC12 genes showed significant changes in hyphal growth, and in development of conidia and ascospores compared to the wild-type strain.

View Article and Find Full Text PDF

Premise: Most plants interact with mycorrhizal fungi and animal pollinators simultaneously. Yet, whether mycorrhizae affect traits important to pollination remains poorly understood and may depend on the match between host and fungal genotypes. Here, we examined how ericoid mycorrhizal fungi affected flowering phenology, floral traits, and reproductive success, among eight genotypes of highbush blueberry, Vaccinium corymbosum (Ericaceae).

View Article and Find Full Text PDF
Article Synopsis
  • Flexible endoscopes need thorough manual cleaning to prevent pathogen transmission, which is crucial for effective high-level disinfection.
  • The study compared two different cleaning detergents—non-enzymatic detergent-disinfectant (NEDD) and enzymatic detergent (ED)—across twelve endoscopes to see which produced better cleaning results.
  • Results showed that using ED led to a greater reduction in ATP (a marker for biological contamination) and higher acceptability rates post-cleaning, indicating that enzymatic cleaners are more effective than non-enzymatic options for endoscope hygiene.
View Article and Find Full Text PDF

Background: Adenoid cystic carcinoma (ACC) is an aggressive salivary gland malignancy without effective systemic therapies. Delineation of molecular profiles in ACC has led to an increased number of biomarker-stratified clinical trials; however, the clinical utility and U.S.

View Article and Find Full Text PDF

In plant-microbe interactions, plant sugars produced by photosynthesis are not only a carbon source for pathogens, but may also act as signals that modulate plant defense responses. Here, we report that decreasing sorbitol synthesis in apple () leaves by antisense suppression of () leads to downregulation of 56 () genes and converts the phenotypic response to from resistant to susceptible. We identified a resistance protein encoded by the apple gene and a small protein encoded by the fungal gene that interact in both a yeast two-hybrid assay and a bimolecular fluorescence complementation assay.

View Article and Find Full Text PDF

The Southern corn leaf blight (SCLB) epidemic of 1970 devastated fields of T-cytoplasm corn planted in monoculture throughout the eastern United States. The epidemic was driven by race T, a previously unseen race of Cochliobolus heterostrophus. A second fungus, Phyllosticta zeae-maydis, with the same biological specificity, appeared coincidentally.

View Article and Find Full Text PDF

The functional relationship between arbuscular mycorrhizal fungi (AMF) and their hosts is variable on small spatial scales. Here, we hypothesized that herbivore exclusion changes the AMF community and alters the ability of AMF to enhance plant tolerance to grazing. We grew the perennial bunchgrass, Themeda triandra Forssk in inoculum from soils collected in the Kenya Long-term Exclosure Experiment where treatments representing different levels of herbivory have been in place since 1995.

View Article and Find Full Text PDF

Mexican women gain weight with increasing duration in the United States. In the United States, body dissatisfaction tends to be associated with depression, disordered eating, and incongruent weight evaluations, particularly among white women and women of higher socioeconomic status. However, it remains unclear how overweight and obesity is interpreted by Mexican women.

View Article and Find Full Text PDF

Arbuscular mycorrhizal fungi (AMF, subphylum Glomeromycotina) are symbionts of most terrestrial plants. They commonly harbour endobacteria of a largely unknown biology, referred to as MRE (Mollicutes/mycoplasma-related endobacteria). Here, we propose to accommodate MRE in the novel genus 'Candidatus Moeniiplasma.

View Article and Find Full Text PDF

Toads are chemically defended by bufadienolides, a class of cardiotonic steroids that exert toxic effects by binding to and disabling the Na/K-ATPases of cell membranes. Some predators, including a number of snakes, have evolved resistance to the toxic effects of bufadienolides and prey regularly on toads. Resistance in snakes to the acute effects of these toxins is conferred by at least two amino acid substitutions in the cardiotonic steroid binding pocket of the Na/K-ATPase.

View Article and Find Full Text PDF