Research Publications from Peer-Reviewed Journals

The Research Publications track research that is published across national and international peer-reviewed journals. The most recent articles are available ahead of print and searchable by Journal Title, Subject, USDA Grant Funding Agencies or FDA Grant Funding Agencies. The research publications are tracked across five subject areas: Bacterial Pathogens, Chemical Contaminants, Natural Toxins, Parasites, and Viruses.

Thu, 07/09/2020 - 08:01
by Jan Mei Soon, Ikarastika Rahayu Abdul Wahab, Ruhil Hayati Hamdan, Mohd Hafiz Jamaludin Factors contributing to foodborne illnesses in Malaysia were identified as insanitary food handling procedures and lack of hygiene in food preparation area. Food safety at home is a critical point as consumers represent the final step in food preparation and prevention of foodborne diseases. This study aims...
Thu, 07/09/2020 - 08:01
Campylobacter is well recognized as the leading cause of bacterial foodborne diarrheal disease worldwide with a very low outbreak reported in China. In May 2019, we investigated an outbreak of Campylobacter jejuni infections among students in a junior high school in Eastern China. Cases were interviewed to identify a common source of contamination. As cases were identified in the same school...
Thu, 07/09/2020 - 08:01
Nguyen et al. used transposon sequencing analysis and competitive colonization assays to describe how aspartate/malate can trigger initial Salmonella Typhimurium gut-lumen colonization in mice, providing insight into the significance of certain key metabolites beyond the realm of Salmonella life. Metabolite-driven diagnostic and anti-infective strategies for preventing salmonellosis could rapidly...
Thu, 07/09/2020 - 06:10
Author(s): Xiaoye Shen, Yuan Su, Zi Hua, Jian Cong, Nitin Dhowlaghar, Qi Sun, Shengnan Lin, Tonia Green, Mackenzie Perrault, Marcella Galeni, Ines Hanrahan, Trevor V. Suslow, Mei-Jun Zhu Peroxyacetic acid (PAA) is a commonly used antimicrobial in apple spray bar interventions during post-harvest packing. However, limited information is available about its efficacy against foodborne pathogens on...
Thu, 07/09/2020 - 06:09
Author(s): Jitender P. Dubey, Camila K. Cerqueira-Cézar, Fernando H.A. Murata, Oliver C.H. Kwok, Dolores Hill, Yurong R. Yang, Chunlei Su Toxoplasma gondii infections are common in humans and animals worldwide. Toxoplasma gondii infection in pigs continues to be of public health concern. Pigs are important for the economy of many countries, particularly, USA, China, and European countries. Among...
Thu, 07/09/2020 - 06:08
Author(s): Kevin Hunt, Bill Doré, Sinead Keaveney, Agnieszka Rupnik, Francis Butler Norovirus in oysters is a significant food safety risk. A recent ISO detection method allows for reliable and repeatable estimates of norovirus concentrations in pooled samples, but there is insufficient data to estimate a distribution of copies per animal from this. The spread of norovirus accumulated across...
Thu, 07/09/2020 - 06:08
Author(s): Li Xiu, Yu Liu, Wei Wu, Suo Chen, Zhaobing Zhong, Hairong Wang Clostridium perfringens is an important zoonotic microorganism, the current study was undertaken to investigate prevalence, serotype distribution, antibiotic resistance and genetic diversity of C. perfringens isolates from four duck farms in Shandong, China. In total, 424 samples of cloacal swabs and environment were...
Thu, 07/09/2020 - 06:08
Author(s): C. Marin, S. Sevilla-Navarro, R. Lonjedo, P. Catalá-Gregori, M.A. Ferrús, S. Vega, A. Jiménez-Belenguer Thermophilic Campylobacter species are recognised as a major cause of acute bacterial diarrhoea in humans, being broiler meat the most common source of human infection. Antibiotic therapy is usually necessary for severe or prolonged infections, especially in immunocompromised...
Thu, 07/09/2020 - 04:02
Diet greatly influences gut microbiota. Dietary methionine restriction (MR) prevents and ameliorates age-related or high-fat-induced diseases and prolongs life span. This study aimed to reveal the impact of MR on gut microbiota in middle-aged mice with low-, medium-, high-fat diets. C57BL/6J mice were randomly divided into six groups with different MR and fat-content diets. Multiple indicators of...
Thu, 07/09/2020 - 02:02
Traditional fermented foods are important sources of probiotics, which attract intensive attentions because of their beneficial effects. The potential of probiotic strains to remove heavy metals have also aroused interest from researchers. In this study, the ability of lactic acid bacteria (LAB) isolated from various fermented foods to removal lead (Pb) was tested, and strains with high removal...
Thu, 07/09/2020 - 02:01
Past approaches to food security in the countries of the Gulf Cooperation Council (GCC) were informed by concerns about food availability. They aimed at domestic self-sufficiency and self-sufficiency by proxy (via farmland investments abroad). These strategies have failed. Water scarcity at home increasingly compromises agricultural production. Farmland investments abroad have not matched...
Thu, 07/09/2020 - 02:01
Recently, surface-enhanced Raman spectroscopy (SERS) has attracted extensive concern of domestic and international researchers owing to the enormous signal amplification and unparalleled detection capability. However, developing the multifunctional SERS substrate materials through one facile way still remains a great challenge today. Herein, a novel dual functional sponge-based three-dimensional...
Thu, 07/09/2020 - 02:01
Cherry tomatoes are one of the most popular tomato varieties known for their bioactive compounds and sensory properties. One way to reduce the contamination of tomato is to coat them with natural or antimicrobial substances. In this study, an ethanolic extract of propolis (EEP) was obtained, and its chemical composition was analyzed using high-performance liquid chromatography with diode array...
Thu, 07/09/2020 - 02:01
Gold mines are widely recognized as important sources of arsenic (As) pollution and this work proposes the use of in situ microbial community enzymatic response to assess the risk of As in soil and sediments surrounding “Morro do Ouro,” the largest industrial gold mine in Brazil. Bacterial community exposed to high metals concentrations deviates energy from growth to cell maintenance modifying...
Thu, 07/09/2020 - 00:00
Carvotacetones (1–7) isolated from Sphaeranthus africanus were screened for their antimycobacterial and efflux pump (EP) inhibitory potential against the mycobacterial model strains Mycobacterium smegmatis mc2 155, Mycobacterium aurum ATCC 23366, and Mycobacterium bovis BCG ATCC 35734. The minimum inhibitory concentrations (MICs) of the carvotacetones were detected through high-...
Thu, 07/09/2020 - 00:00
Tea Tree oil (TTO) is well known for its numerous good properties but might be also irritating or toxic when used topically or ingested, thus limiting the number of possible applications in Humans. The aim of the study was to characterize the antimicrobial spectrum as well as the toxicity of Titroleane™, a new anti-infective agent obtained from TTO but cleared of its toxic monoterpenes...
Wed, 07/08/2020 - 22:11
The food irradiation marker, 2‐dodecylcyclobutanone (2‐DCB), assayed by SPME provides a fast and simple method to estimate the irradiation history of fat‐containing food products. The SPME conditions were optimized to maximize the extraction of 2‐DCB from chicken jerky treats (CJT) irradiated at low (5 kGy) and high (50 kGy) doses. The extracted 2‐DCB was measured using GC‐MS in selected ion mode...
Wed, 07/08/2020 - 22:11
Efficacy of N‐Halamine on Foodborne Pathogens Abstract A major concern of the cattle industry is cross‐contamination of meat with pathogens. Cattle are exposed to fecal material, mud, and other contaminants which harbor pathogens that can be shed onto meat and meat processing equipment. Due to increased chances of meat contamination during processing, new antimicrobial formulations for carcass...
Wed, 07/08/2020 - 22:07
Aims This research was performed to investigate the influence of clay and humic acid on E. coli O157 survival in model soils. Additionally, the influence of pH and humic acid on E. coli O157 in liquid culture was investigated. Methods and Results Artificial soil microcosms were prepared with sand, kaolinite, bentonite, and humic acid. Artificial soil microcosms pH was adjusted (6.0 to 7.0) with...
Wed, 07/08/2020 - 18:01
To date, there has been very little published data evaluating the performance of novel urinary kidney biomarkers in nonhuman primates (NHPs). To assess the biomarker performance and characterize the corresponding histomorphologic patterns of tubular renal injury in the NHP, several studies were conducted using mechanistically diverse nephrotoxicants including cefpirome, cisplatin, naproxen,...
Wed, 07/08/2020 - 18:01
Cleft palate (CP), a congenital defect in the oral and maxillofacial regions, is difficult to detect prenatally. This study investigated the correlation between differentially expressed proteins in serum and CP induced by all-trans retinoic acid (atRA) and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in mice. We studied 80 mice in the following groups: male mice (male; n = 6), nonpregnant female...
Wed, 07/08/2020 - 16:00
This research aimed to study the abundance and molecular diversity of Vibrio parahaemolyticus-specific Halobacteriovorax strains isolated from seawater of the Adriatic Sea and the relationship between predator and prey abundances. Moreover, predator efficiency of the Halobacteriovorax isolates toward V. parahaemolyticus and Vibrio cholerae non-O1/O139 strains was tested. V. parahaemolyticus NCTC...
Wed, 07/08/2020 - 16:00
Crohn’s disease (CD) is a severe chronic immune-mediated granulomatous inflammatory disease of the gastrointestinal tract. The mechanisms of CD pathogenesis remain obscure. Metagenomic analysis of samples from CD patients revealed that several of them have the elevated level of Escherichia coli with adhesive–invasive phenotype (AIEC). Previously, we isolated an E. coli strain CD isolate ZvL2 from...
Wed, 07/08/2020 - 14:04
We report a SCCmec II, ST39 methicillin-resistant Staphylococcus aureus isolate from pigs that harboured toxic-shock syndrome toxin gene (tsst-1). The gene was located in a rare pathogenicity island SaPI68111, which also carried enterotoxin genes that can cause fatal infections. Pigs may potentially serve as a reservoir for MRSA dissemination.
Wed, 07/08/2020 - 10:01
ABSTRACT Staphylococcus aureus causes persistent clinical and subclinical bovine intramammary infections (IMI) worldwide. However, there is a lack of comprehensive information regarding genetic diversity, the presence of antimicrobial resistance (AMR), and virulence genes for S. aureus in bovine milk in Canada. Here, we performed whole-genome sequencing (WGS) of 119 Canadian bovine milk S. aureus...
Wed, 07/08/2020 - 10:01
ABSTRACT Research into the evolution and pathogenesis of Vibrio cholerae has benefited greatly from the generation of high-throughput sequencing data to drive molecular analyses. The steady accumulation of these data sets now provides a unique opportunity for in silico hypothesis generation via coexpression analysis. Here, we leverage all published V. cholerae RNA sequencing data, in combination...
Wed, 07/08/2020 - 08:01
by Brittney N. Nguyen, Alfredo Chávez-Arroyo, Mandy I. Cheng, Maria Krasilnikov, Alexander Louie, Daniel A. Portnoy Listeria monocytogenes is a facultative intracellular bacterial pathogen that escapes from phagosomes and induces a robust adaptive immune response in mice, while mutants unable to escape phagosomes fail to induce a robust adaptive immune response and suppress the immunity to...
Wed, 07/08/2020 - 08:01
MICROBIOLOGY Correction for “Bile acids and ceramide overcome the entry restriction for GII.3 human norovirus replication in human intestinal enteroids,” by Kosuke Murakami, Victoria R. Tenge, Umesh C. Karandikar, Shih-Ching Lin, Sasirekha Ramani, Khalil Ettayebi, Sue E. Crawford, Xi-Lei Zeng, Frederick H. Neill, B. Vijayalakshmi Ayyar, Kazuhiko Katayama, David Y....
Wed, 07/08/2020 - 08:01
Food and drug products contain diverse and abundant small-molecule additives (excipients) with unclear impacts on human physiology, drug safety, and response. Here, we evaluate their potential impact on intestinal drug absorption. By screening 136 unique compounds for inhibition of the key intestinal transporter OATP2B1 we identified and validated 24 potent...
Wed, 07/08/2020 - 06:07
Author(s): Ümmügülsüm Gülcan, Cihadiye Candal Uslu, Ceren Mutlu, Sultan Arslan-Tontul, Mustafa Erbaş The baking in N2 and CO2 atmosphere decreased by 50% the acrylamide, while this level was 99% in SO2. The highest acrylamide content was detected in the control sample as 39.03 µg/kg. Additionally, the lowest HMF content was determined in S-bread as 14.85 mg/kg. The baking atmosphere has a...
Wed, 07/08/2020 - 06:07
Author(s): Maqusood Ahamed, Mohd Javed Akhtar, M.A. Majeed Khan, Hisham A. Alhadlaq Numerous applications of reduced graphene oxide (RGO) and pervasive cadmium (Cd) have led concern about their co-exposure to the environment and human. We studied the combined effects of RGO and Cd in human liver (HepG2) cells. Initially, we found that RGO (up to 50 μg/ml) did not harm to HepG2 cells while Cd...
Wed, 07/08/2020 - 06:06
Author(s): Danieli C. Schabo, Ligia M. Martins, Beatriz T. Iamanaka, Janeeyre F. Maciel, Marta H. Taniwaki, Donald W. Schaffner, Marciane Magnani This study aimed to model the aflatoxin B1 (AFB1) production by A. flavus in wheat grains during malting for craft beer. A total of sixty-four different combinations of grains steeping degree (ST; 41, 43, 45 and 47%), temperature (13, 15, 17 and 19 °C)...
Wed, 07/08/2020 - 06:06
LWT
Author(s): Chen Li, Lina Sheng, Gang Sun, Luxin Wang The new Food Safety Modernization Act requires the fresh-cut industry to have preventive strategies for preventing and reducing pathogen contamination in fresh-cut products. For a product segment that has very limited preventive control options, edible films serve as a good option for protecting its quality and safety during the storage and...
Wed, 07/08/2020 - 04:02
It has been recognized that collagen peptides of MW 878 Da (CP1) promote osteoblast proliferation and mineralization. The objective of this study is to identify the peptides responsible for proliferation of osteoblast growth, enhancement of ALP (alkaline phosphatase) activity in osteoblasts and promotion of osteoblast mineralization. To this end, the CP1 were fractioned by a series of...
Wed, 07/08/2020 - 04:02
Results from monitoring of the microbiological quality of 2,721 samples of ready-to-eat cooked chicken collected between 2013 to 2017 in England were reviewed: 70% of samples were from retail, catering or manufacture and 30% were imported and collected at English ports. Samples were tested for a range of bacterial pathogens and indicator organisms. Six samples (<1%) had unsatisfactory levels...
Wed, 07/08/2020 - 04:02
The objectives of this study were i) to isolate  Arcobacter  species ( Arcobacter butzleri and Arcobacter cryaerophilus )by cultural method from different species of raw poultry meat, ii) to verify the isolates by multiplex PCR assay and matrix-assisted laser desorption/ ionization time-of-flight mass spectrometry (MALDI–TOF MS), iii) and to detect the antibiotic resistance profiles of the...
Wed, 07/08/2020 - 04:02
The goal of this research was to evaluate the efficacy of a novel rechargeable non-leaching polycationic N-halamine coating applied to stainless steel (STEEL) food contact surfaces to reduce Listeria monocytogenes contamination on ready-to-eat (RTE) foods. For this purpose, four L. monocytogenes strains were inoculated onto the charged (C; chlorine-activated) or uncharged (NC) N-halamine coated...
Wed, 07/08/2020 - 02:02
Larvae of Hermetia illucens, commonly known as black soldier fly, efficiently convert organic waste into nutrient-rich supplements for different applications. Here we performed a preliminary experiment to investigate the dynamics of the H. illucens gut microbiota and changes in the composition of the bacterial community in the residue of the larval feed during rearing. We furthermore quantified...
Wed, 07/08/2020 - 02:02
Intestinal parasitic infections (IPIs) can be a severe threat to immunocompromised patients. This is particularly true for those undergoing chemotherapy and hemodialysis. The present research is aimed at identifying intestinal parasites that might be present in immunocompromised patients. In this cross-sectional study 1040 stool samples were collected from March to September 2017. Six hundred and...
Wed, 07/08/2020 - 02:02
Saccharothrix algeriensis NRRL B-24137 is an actinobacterium isolated from Algerian Saharan soil. This strain has the ability to produce several dithiolopyrrolone antibiotic derivatives depending on the precursors added to the culture medium. This group of antibiotics is known for their potent antimicrobial and anticancer activities. Holomycin is a member of the dithiolopyrrolone group of...
Wed, 07/08/2020 - 02:02
This opinion piece looks at the substantial role of informal traders in ensuring food security, and other economic and social goods in South Africa and how they have been impacted by Covid-19 and responses to it. The state responses have reflected a continued undervaluing and undermining of this sector to the detriment of the traders themselves, their suppliers, and their customers. There is a...
Wed, 07/08/2020 - 02:01
Unexpected contaminations of unauthorized genetically modified microorganisms (GMM) harbouring antimicrobial resistance (AMR) genes in food and feed enzymes, additives and flavourings commercialized on the European market have recently alerted the competent authorities regarding the food and feed safety. At the control level, we have therefore proposed a PCR-based strategy as first line screening...
Wed, 07/08/2020 - 02:01
Heavy metals and dye contaminations pose the most critical environmental problems facing the world today . These may lead to bad effects on human, animal’s health, and aquatic ecosystems. Herein, we report a facile and effective approach to fabricate controllable design of tunable Zn/Al/gallate layered double hydroxide/polystyrene nanofibers (Zn/Al/GA LDH/PSNFs).The prepared materials before and...
Wed, 07/08/2020 - 00:00
Paralytic shellfish toxins (PSTs) produced by Alexandrium catenella (formerly A. tamarense) in Korean coastal waters caused the deaths of four people (in 1986 and 1996) who consumed contaminated mussels (Mytilus edulis). This led to more detailed consideration of the risks of PST outbreaks and incidents in Korea, including the introduction of shellfish collection bans. In this study, we...
Wed, 07/08/2020 - 00:00
Horizontal gene transfer (HGT) plays an important role for evolutionary innovations within prokaryotic communities and is a crucial event for their survival. Several computational approaches have arisen to identify HGT events in recipient genomes. However, this has been proven to be a complex task due to the generation of a great number of false positives and the prediction disagreement among the...
Wed, 07/08/2020 - 00:00
Antimicrobial peptides constitute an excellent alternative against conventional antibiotics because of their potent antimicrobial spectrum, unspecific action mechanism and low capacity to produce antibiotic resistance. However, a potential use of these biological molecules as therapeutic agents is threatened by their low stability and susceptibility to proteases. In order to overcome these...
Wed, 07/08/2020 - 00:00
The aim of the present study was to characterize Enterobacterales resistant to 3rd and 4th generation cephalosporins, carbapenems and/or fluoroquinolones, isolated from dogs and cats with urogenital infections. In total, 36 strains (Escherichia coli (n = 28), Klebsiella pneumoniae (n = 3), Serratia marcescens, Raoultella ornithinolytica, Proteus mirabilis, Citrobacter portucalensis and...
Tue, 07/07/2020 - 22:10
A response surface Bok–Behnken design was utilized to determine the effect of pH (6.5, 6.0, or 5.5), soy protein isolate (SPI: 10.0%, 11.5%, or 13.0% wt/wt), and thyme or oregano essential oil (EO) concentrations (0.22%, 0.25%, or 0.28% wt/wt) on the survival of Salmonella or Listeria cocktails; pH and protein values were chosen according to what is expected for deli meats classified as...
Tue, 07/07/2020 - 22:09
Emerging drugs usually mimic the effects of traditional drugs, but are not always controlled due to the chemically altered structures. Positional isomers of emerging drugs are challenging to analyze because they challenge the separation and detection techniques commonly employed by forensic laboratories. The utility of silica hydride (SiH) stationary phases for the ultra high performance liquid...
Tue, 07/07/2020 - 22:09
The present work intended to evaluate the applicability of photodynamic inactivation (PDI) of Xanthomonas citri subsp. citri with toluidine blue O (TBO), a commercial photosensitizer, as a strategy to control citrus canker. Assays were conducted with cell suspensions and biofilms, constructed either on polypropylene microtubes (in vitro assays) or on the surface of orange leaves (ex vivo assays...

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