Research Publications (Food Safety)

The demand for animal protein has increased considerably worldwide, especially in China, where large numbers of livestock and poultry are produced. Antibiotics have been widely applied to promote growth and prevent diseases.

Antibiotic-resistant bacteria of critical importance for global health such as extended-spectrum beta-lactamases-producing (ESBL)-Escherichia coli have been detected in livestock, dogs, and wildlife worldwide. However, the dynamics of ESBL-E. coli between these animals remains poorly understood, particularly in small-scale farms of low and middle-income countries where contact between species can be frequent. We compared the prevalence of fecal carriage of ESBL-E.

International Journal of Food Science & Technology, Accepted Article. Chilli is one of valuable spice commercialized globally, added as condiments in various cuisines and is easily susceptible to Aflatoxins contamination (produced mainly by Aspergillus flavus) during pre and post‐harvesting stages. The important factors like temperature, moisture content and humidity affect the growth of fungi producing Aflatoxins.

International Journal of Food Science & Technology, Accepted Article. The aflatoxin contamination of chilli pepper grown and marketed in Tamil Nadu, a southern Indian state was assessed. Chilli samples were collected at different stages of the value chain and were quantified using the enzyme‐linked immunosorbent assay (ELISA) test.

Journal of the Science of Food and Agriculture, Accepted Article. Background

ABSTRACT Mycobacterium tuberculosis infections claim more than a million lives each year, and better treatments or vaccines are required. A crucial pathogenicity factor is translocation from phagolysosomes to the cytosol upon phagocytosis by macrophages. Translocation from the phagolysosome to the cytosol is an ESX-1-dependent process, as previously shown in vitro.

We report here the closed genome sequences of three clinical Listeria monocytogenes strains of multilocus sequence typing (MLST) sequence type 8 (ST8). These strains are representatives of three separate listeriosis outbreak clusters (Alpha1, Pi4, and Sigma1) that affected Germany between 2012 and 2020.

Since the 1990s, Brucella strains have been isolated from a wide variety of marine mammal species. We report the first complete genome sequence of a Brucella strain isolated from a hooded seal (Cystophora cristata), Brucella pinnipedialis strain 23a-1 of sequence type 54, found in the North Atlantic Ocean surrounding Norway.

We report the whole-genome sequence of Listeria monocytogenes UKVDL9 and an edited draft genome sequence of L. monocytogenes 2010L-2198. Both are neurotropic lineage III strains; UKVDL9 was isolated from a sheep brain, and 2010L-2198 was isolated from a human subject with rhombencephalitis.

Campylobacter coli is a major foodborne pathogen worldwide that causes campylobacteriosis cases in humans and is an emerging threat in developing countries. The rapid dissemination of the macrolide resistance gene erm(B) poses a significant threat to the clinical therapy of campylobacteriosis. Here, we report the draft genome sequences of one Campylobacter coli strain possessing erm(B), isolated from the cecal contents of poultry in Jinhua, China.

by Tegan N. Clarke, Megan A. Schilling, Luca A. Melendez, Sandra D. Isidean, Chad K. Porter, Frédéric M. Poly

Introduction

Author(s): Ola A.A. Khalil, Ali A. Hammad, Ahmed Salem Sebaei

Author(s): Hansen W. Murcia, Gonzalo J. Diaz

Author(s): Paolo Bonilauri, Maria Silvia Grisenti, Paolo Daminelli, Giuseppe Merialdi, Mattia Ramini, Lia Bardasi, Roberta Taddei, Elena Cosciani-Cunico, Elena Dalzini, Maria Angela Frustoli, Federica Giacometti, Silvia Piva, Andrea Serraino

Author(s): Liye Zhu, Jieyu Yuhan, Kunlun Huang, Xiaoyun He, Zhihong Liang, Wentao Xu

Author(s): Amrit Pal, Matthew A. Bailey, Aidan A. Talorico, James T. Krehling, Ken S. Macklin, Stuart B. Price, Richard Jeff Buhr, Dianna V. Bourassa

Author(s): Md. Ashrafudoulla, Kyung Won Na, Kye-Hwan Byun, Duk Hyun Kim, Jang Won Yoon, Md. Furkanur Rahaman Mizan, Iksoon Kang, Sang-do Ha

Fragment screening is a powerful drug discovery approach particularly useful for enzymes difficult to inhibit selectively, such as the thiol/selenol-dependent thioredoxin reductases (TrxRs), which are essential and druggable in several infectious diseases. Several known inhibitors are reactive electrophiles targeting the selenocysteine-containing C-terminus and thus often suffering from off-target reactivity in vivo.

Antimicrobial-resistant Escherichia coli , particularly those resistant to critically important antimicrobials, are increasingly reported in wildlife.

An SNP is a spontaneous genetic change having a potential to modify the functions of the original genes and to lead to phenotypic diversity of bacteria in nature.

The virulence of Vibrio parahaemolyticus is variable depending on its virulence determinants. A V.

In recent years, food safety issues have become more serious, which caused extensive study on various methods for detecting food hazards. Gold nanoparticles (AuNPs) have drawn significant attention in nanoscience for the construction of biosensors because of their good biocompatibility, excellent quenching effect, unique surface plasmon resonance (SPR) properties, and high surface-to-volume ratio.

Soil amendments can be an effective and low-cost treatment to reduce metal bioavailability of contaminated dredged sediments disposed on land. The effect of green waste compost addition on Cu, Cr, Ni, Pb, and Zn extractability and bioaccumulation in lettuce was studied in a greenhouse experiment, using dredged sediments from different sites of the Matanza-Riachuelo River (Argentina). Moreover, the effect of compost addition in lettuce morphological and biochemical variables was analyzed.

The potential of two aquatic plants, e.g., Typha angustifolia and Acorus calamus, and a terrestrial plant, e.g., Pandanus amaryllifolius, was evaluated in hydroponic experiments for rhizofiltration of cadmium (Cd) and zinc (Zn). Of the three species, T.

Understanding the toxicity and production rates of the various secondary metabolites produced by Gambierdiscus and cohabitating benthic dinoflagellates is essential to unravelling the complexities associated with ciguatera poisoning. In the present study, a sulphated cyclic polyether, gambierone, was purified from Gambierdiscus cheloniae CAWD232 and its acute toxicity was determined using intraperitoneal injection into mice.