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.

Sat, 07/04/2020 - 06:11
Author(s): James Ledo, Kasper A. Hettinga, Jamal B. Kussaga, Pieternel A. Luning The varying performance of safety and hygiene control practices by chain actors can influence the consistent production of milk of good quality and safety in dairy chains. Therefore, the study aimed to investigate if differences in safety and hygiene control practices translate into distinctions in milk quality and...
Sat, 07/04/2020 - 06:10
Author(s): Shuangfang Hu, YigangYu, Ziquan Lv, Jianzhong Shen, Yuebin Ke, Xinglong Xiao Salmonella Enteritidis is a major cause of foodborne gastroenteritis and is thus a persistent threat to global public health. The acid adaptation response helps Salmonella survive exposure to gastric environment during ingestion. In a previous study we highlighted the damage caused to cell membrane and the...
Sat, 07/04/2020 - 02:02
The aim of this study was to determine dietary exposure to ochratoxin A (OTA) in Turkish adults. In this study, 500 food samples (50 rice, 50 wheat bread, 50 pasta, 50 raisins, 50 dried figs, 50 pistachios, 50 hazelnuts, 50 almonds, 50 chilli, 25 coffee, and 25 cocoa) collected from Turkey were analysed with a high-performance liquid chromatography (HPLC) method. Moreover, a total of 370...
Sat, 07/04/2020 - 02:01
QuEChERS combined with ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) was developed to analyze multi-class mycotoxins including aflatoxins, ochratoxins, and Alternaria toxins in apples and tomatoes. Using apples and tomatoes as the research models, the method performance had been evaluated, showing great convenience, high sensitivity, and good reliability. The...
Sat, 07/04/2020 - 02:01
Marine pollution has increased reaching the entire marine environment, from the surface to the deepest sediment, and has become more concerning in the last 70 years. Persistent organic pollutants (POPs) are a fraction of ocean waste that includes, among the others, polycyclic aromatic hydrocarbons (PAHs) and plastic polymers. These chemicals have an extremely long half-life, and (bio)accumulate...
Sat, 07/04/2020 - 00:00
Pufferfish of the family Tetraodontidae possess tetrodotoxin (TTX) and/or saxitoxins (STXs), but the toxin ratio differs, depending on the genus or species. In the present study, to clarify the distribution profile of TTX and STXs in Tetraodontidae, we investigated the composition and intra-body distribution of the toxins in Canthigaster valentini. C. valentini specimens (four male and six female...
Fri, 07/03/2020 - 22:10
Detecting pesticide residues in human serum is a challenging process. This study developed and validated a method for the extraction and recovery of residues of multiple classes of pesticides from serum using one reagent. Salt‐assisted acetonitrile extraction and HPLC with quadrupole time of flight MS/MS were used to quantitate 34 pesticides classified in nine groups of chemicals in human serum...
Fri, 07/03/2020 - 22:10
The study aimed to establish a automated versatile sample preconcentration method based on the modified immunomagnetic beads, which was utilized to enrich for aflatoxin B1 from the matrices. The critical main parameters affecting the extraction efficiency, such as usage amount of immunomagnetic beads, reaction time, elution time, blending way was investigated. Under the optimized conditions, the...
Fri, 07/03/2020 - 22:08
Aims This article presents models of artificial neural networks employed to predict the biological activity of chemical compounds based of their structure. Regression and classification models were designed to determine antimicrobial properties of quaternary ammonium salts against Escherichia coli strain. Methods and Results The minimum inhibitory concentration (MIC) microbial growth Escherichia...
Fri, 07/03/2020 - 22:08
ABSTRACT Aims The aims of this study were to determine the occurrence of Fusarium graminearum species complex (FGSC) on soybean pods, seeds and roots, including rhizoplane, during the soybean crop in rotation with wheat and to evaluate the FGSC dynamics on wheat and soybean residues during two soybean growing season in rotation with wheat, particularly of F. graminearum sensu stricto (FGss)....
Fri, 07/03/2020 - 16:00
Bacterial microorganisms which are latent in in vitro cultures can limit the efficiency of in vitro methods for the conservation of genetic resources. In this study we screened 2,373 accessions from the in vitro sweetpotato germplasm collection of the International Potato Center in Lima, Peru for bacteria associated with plantlets in tissue culture through a combination of morphological methods...
Fri, 07/03/2020 - 16:00
The objective of this study was to explore the genetic and biological features of the tet(M)-harboring plasmid pTS14 in Salmonella enterica strain S14 isolated from a chicken fecal sample. Plasmid pTS14 was identified by conjugation, S1-pulsed-field gel electrophoresis (PFGE), Southern hybridization, and plasmid sequencing. The biological characteristics of pTS14 were assessed via stability,...
Fri, 07/03/2020 - 16:00
Bacillus cereus is one of the most important foodborne pathogenic microorganisms, which can lead to gastrointestinal and non-gastrointestinal diseases. However, the potential risk of B. cereus in aquatic products in China has not been comprehensively evaluated yet. In this study, a total of 860 aquatic samples from three types of retail aquatic products were collected from 39 major cities in...
Fri, 07/03/2020 - 16:00
In natural environments, the production of neurotoxic and bioaccumulative methylmercury (MeHg) is mediated by microorganisms carrying the genes hgcA and hgcB. However, the contribution of these microorganisms to mercury (Hg) methylation or MeHg accumulation in the ocean is poorly understood. Here we determined the total Hg (THg) and MeHg concentrations in seawater samples and conducted a...
Fri, 07/03/2020 - 10:01
According to the World Health Organization, arsenic is the water contaminant that affects the largest number of people worldwide. To limit its impact on the population, inexpensive, quick, and easy-to-use systems of detection are required. One promising solution could be the use of whole-cell biosensors, which have been extensively studied and could meet all these criteria even though they often...
Fri, 07/03/2020 - 10:01
Listeria monocytogenes is a pathogen mostly associated with the consumption of ready-to-eat foods and can cause severe disease and death. It can be introduced into food chains from raw materials, but often the contamination source is the food production environment, where certain clones can persist for years. In the meat chain, ST9 is one of the most commonly encountered L. monocytogenes sequence...
Fri, 07/03/2020 - 10:01
The aim of this research was to investigate the efficacy of the duty ratio and applied voltage in the inactivation of pathogens in soybean curd by pulsed ohmic heating (POH). The heating rate of soybean curd increased rapidly as the applied voltage increased, although the duty ratio did not affect the temperature profile. We supported this result by verifying that electrical conductivity...
Fri, 07/03/2020 - 08:01
by Eli J. Cohen, Daisuke Nakane, Yoshiki Kabata, David R. Hendrixson, Takayuki Nishizaka, Morgan Beeby Campylobacter jejuni rotates a flagellum at each pole to swim through the viscous mucosa of its hosts’ gastrointestinal tracts. Despite their importance for host colonization, however, how C. jejuni coordinates rotation of these two opposing flagella is unclear. As well as their polar placement...
Fri, 07/03/2020 - 08:01
by Chihong Song, Reiko Takai-Todaka, Motohiro Miki, Kei Haga, Akira Fujimoto, Ryoka Ishiyama, Kazuki Oikawa, Masaru Yokoyama, Naoyuki Miyazaki, Kenji Iwasaki, Kosuke Murakami, Kazuhiko Katayama, Kazuyoshi Murata Norovirus is the major cause of epidemic nonbacterial gastroenteritis worldwide. Lack of structural information on infection and replication mechanisms hampers the development of...
Fri, 07/03/2020 - 08:01
by Feng Wu, Biao Chen, Sha Liu, Xiongjian Xia, Liuling Gao, Xiaoyong Zhang, Qing Pan The present study investigated the effects of four woody forages (Moringa oleifera Lam (MOL), fermented MOL, Folium mori (FM) and fermented FM) on biodiversity and bioactivity of aerobic culturable gut bacteria of tilapia (Oreochromis niloticus) by a traditional culture-dependent method. A total of 133 aerobic...
Fri, 07/03/2020 - 08:01
by Zhao Chen, Dai Kuang, Xuebin Xu, Narjol González-Escalona, David L. Erickson, Eric Brown, Jianghong Meng We sequenced 25 isolates of phenotypically multidrug-resistant Salmonella Indiana (n = 11), Typhimurium (n = 8), and Enteritidis (n = 6) using both MinION long-read [SQK-LSK109 and flow cell (R9.4.1)] and MiSeq short-read (Nextera XT and MiSeq Reagent Kit v2) sequencing technologies to...
Fri, 07/03/2020 - 06:06
Author(s): Pauline Christ Ledur, Janio M. Santurio Mycotoxins are toxic secondary metabolites produced by fungus which cause worldwide concern regarding food and feed safety. Ochratoxin A (OTA), fumonisin B1 (FB1) and deoxynivalenol (DON) are some of the main mycotoxins and oxidative stress is the main mechanism of toxicity. Thereby, this study investigates the in vitro cytoprotective effects of...
Fri, 07/03/2020 - 06:05
Author(s): Y. Ma, Y.Z. Shi, Q.J. Wu, Y.Q. Wang, J.P. Wang, Z.H. Liu In this study, we explored the effect of dietary lead nitrate on the zootechnical performance, egg quality, accumulation of ovarian plumbum (Pb), follicular atresia rate and ovarian oxidative stress in laying hens. Furthermore, the nuclear factor-erythroid 2-related factor-2 (Nrf2) signaling molecule was studied to reveal the...
Fri, 07/03/2020 - 06:05
Author(s): B.R. Wagle, A.M. Donoghue, S. Shrestha, I. Upadhyaya, K. Arsi, A. Gupta, R. Liyanage, N.C. Rath, D.J. Donoghue, A. Upadhyay Campylobacter jejuni is a major foodborne pathogen that causes gastroenteritis in humans. Chickens act as the reservoir host for C. jejuni, wherein the pathogen asymptomatically colonizes the ceca leading to contamination of carcasses during slaughter. The major...
Fri, 07/03/2020 - 04:02
Aeromonas hydrophila, a pathogenic bacterium, is harmful to humans, domestic animals, and fishes and, moreover, of public health concern due to the emergence of multiple drug-resistant strains. The cell wall has been discovered as a novel and efficient drug target against bacteria, and d-alanine–d-alanine ligase (Ddl) is considered as an essential enzyme in bacterial cell wall biosynthesis....
Fri, 07/03/2020 - 02:01
Summarized the heavy metal pollution caused by natural and human activities. The natural causes include the migration and redistribution of soil debris and the hydraulic migration of soil parent rock with high background value under the action of wind; human factors include mining, abandoned mining areas, fertilizer and pesticide application, and sewage irrigation. By examining the sources of...
Fri, 07/03/2020 - 00:00
Botulinum neurotoxins (BoNTs) are toxins produced by the bacteria Clostridium botulinum, the causing agent for botulism, in different serotypes, seven of which (A–G) are well characterized, while others, such as H or FA, are still debated. BoNTs exert their action by blocking SNARE (soluble N-ethylmale-imide-sensitive factor-attachment protein receptors) complex formation and vesicle...
Thu, 07/02/2020 - 22:12
African swine fever (ASF) is currently considered the most significant global threat to pork production worldwide. Disease caused by the ASF virus (ASFV) results in high case fatality of pigs. Importantly, ASF is a trade‐limiting disease with substantial implications on both global pork and agricultural feed commodities. ASFV is transmissible through natural consumption of contaminated swine feed...
Thu, 07/02/2020 - 22:12
Comprehensive understanding of the patterns and drivers of avian influenza outbreaks is pivotal to inform surveillance systems and heighten nations’ ability to quickly detect and respond to the emergence of novel viruses. Starting in early 2017, the Italian poultry sector has been involved in the massive H5N8 highly pathogenic avian influenza epidemic that spread in the majority of the European...
Thu, 07/02/2020 - 22:08
This study was carried out to comprehend the pathogenicity of the bacteria in the epidermis of Labeo rohita inoculated with Aeromonas hydrophila. Alterations in the histopathology of the epidermis were examined using scanning electron microscopy, light microscopy and the localization of iNOS and caspase 3 + ve cells by means of immunohistochemical methods. Skin samples obtained from infected fish...
Thu, 07/02/2020 - 16:00
Signaling molecule receptors play a central role in quorum sensing and in the coordination onset of specialized metabolite biosynthesis in Streptomyces due to their dual function in signal detection and gene expression control through DNA-binding in the promoter region of their target genes. In Streptomyces ambofaciens the alp biosynthetic gene cluster includes the signaling molecule receptor...
Thu, 07/02/2020 - 16:00
The inhibitory properties of novel antimicrobial proteins against food-borne pathogens such as Listeria monocytogenes offer extensive benefits to the food and medical industries. In this study, we have identified antimicrobial proteins from a milk curd–derived bacterial isolate that exhibits antilisterial activity using genome mining and mass spectrometry analysis. The analysis of the draft...
Thu, 07/02/2020 - 10:01
ABSTRACT Spores, the infectious agents of many Firmicutes, are remarkably resilient cell forms. Even distant relatives can have similar spore architectures although some display unique features; they all incorporate protective proteinaceous envelopes. We previously found that Bacillus spores can achieve these protective properties through extensive disulfide cross-linking of self-assembled arrays...
Thu, 07/02/2020 - 10:01
ABSTRACT Since the late 1990s, changes in the epidemiology of methicillin-resistant Staphylococcus aureus (MRSA) were recognized with the emergence of community-associated MRSA (CA-MRSA). CA-MRSA belonging to clonal complex 152 (CC152), carrying the small staphylococcal cassette chromosome mec (SCCmec) type V and encoding the Panton-Valentine leukocidin (PVL), has been observed in Europe. The aim...
Thu, 07/02/2020 - 10:01
In this report, the draft genome sequence of Listeria monocytogenes serovar 1/2a strain IZSAM_Lm_14-16064, isolated in Italy from a cooked ham, is announced. The genome is similar to that of a clinical strain isolated in 2014.
Thu, 07/02/2020 - 10:01
Burkholderia contaminans SK875 was isolated from the respiratory tract of a pig in the Republic of Korea. Here, we report the genome of B. contaminans SK875, which consists of three circular chromosomes and one plasmid of 8,596,045 bp with 7,727 genes.
Thu, 07/02/2020 - 08:02
Hydrogen gas (H2) has a possible signaling role in many developmental and adaptive plant responses, including mitigating the harmful effects of cadmium (Cd) uptake from soil. We used electrophysiological and molecular approaches to understand how H2 ameliorates Cd toxicity in pak choi (Brassica campestris ssp. chinensis). Exposure of pak choi roots to Cd resulted in a rapid increase in the...
Thu, 07/02/2020 - 08:02
The elements Zinc (Zn) and cadmium (Cd) have similar chemical and physical properties, but contrasting physiological effects in higher organisms. In plants, Zn/Cd transport is mediated by various transporter proteins belonging to different families. In this study, we functionally characterized two Zn transporter genes in rice (Oryza sativa), ZINC TRANSPORTER5 (OsZIP5) and ZINC TRANSPORTER9 (...
Thu, 07/02/2020 - 08:02
by Csaba Varga, Patience John, Martin Cooke, Shannon E. Majowicz Nontyphoidal Salmonella enterica (NTS) causes a substantial health burden to human populations in Canada and worldwide. Exposure sources and demographic factors vary by location and can therefore have a major impact on salmonellosis clustering. We evaluated major NTS serotypes: S. Enteritidis (n = 620), S. Typhimurium (n = 150), S....
Thu, 07/02/2020 - 08:02
by Tâmara Natasha Gonzaga de Andrade Santos, Givalda Mendonça da Cruz Macieira, Bárbara Manuella Cardoso Sodré Alves, Thelma Onozato, Geovanna Cunha Cardoso, Mônica Thaís Ferreira Nascimento, Paulo Ricardo Saquete Martins-Filho, Divaldo Pereira de Lyra Jr., Alfredo Dias de Oliveira Filho Aims This review aims to determine the prevalence of clinically manifested drug-drug interactions (DDIs) in...
Thu, 07/02/2020 - 08:02
by Jiajun Li, Wanqiang Li, Zhenhua Wang, Abdul Khalique, Junrui Wang, Miao Yang, Xueqin Ni, Dong Zeng, Dongmei Zhang, Yan Zeng, Qihui Luo, Bo Jing, Kangcheng Pan To explore the molecular mechanism of the effect of Bacillus cereus PAS38 on the immunity of broilers, sixty 7-day-old broilers were divided into two groups with three replicates. The control group was fed with basal diet, and the...
Thu, 07/02/2020 - 08:02
Staphylococcus aureus is an important cause of bovine mastitis, and intramammary infections caused by this pathogen are often characterized as mild, chronic, or persistent. The strains of Staph. aureus associated with mastitis belong to several distinct bovine-adapted bacterial lineages. Studies of host-pathogen interactions have demonstrated that significant differences exist between Staph....
Thu, 07/02/2020 - 06:12
Author(s): Xiao Fei, Qiuchun Li, John Elmerdahl Olsen, Xinan Jiao S. Pullorum and S. Enteritidis are closely related in genetic terms, but they show very different pathogenicity and host range. S. Enteritidis infects many different hosts, usually causing acute gastroenteritis, while S. Pullorum is restricted to avian, where it causes systemic disease in young animals. The reason why they differ...
Thu, 07/02/2020 - 06:12
Author(s): Sinosh Skariyachan, Roshini Ravishankar, Dharshini Gopal, Aditi G. Muddebihalkar, Akshay Uttarkar, Prinith Kaveramma Uluvangada Praveen, Vidya Niranjan Pseudomonas aeruginosa has become a global concern due to its extreme resistance to most of the last resort antibiotics. Present study focuses on the screening of potential molecular targets involved in regulation of biofilm formation...
Thu, 07/02/2020 - 06:11
Author(s): Dhafer Alshaibani, Robson A.M. Machado, Beth L. Calder, Jennifer J. Perry Survival of L. monocytogenes (LM) and shigatoxigenic Escherichia coli (STEC) during manufacture and aging of unpasteurized, farmstead-style cheese was investigated. Cheese produced with fresh, unpasteurized milk inoculated with a two-strain cocktail of LM and STEC (both ∼4.5 log cfu mL-1) was aged for 84 days at...
Thu, 07/02/2020 - 06:10
Author(s): Jiemin Zhu, Qingju Hao, Junjiang Chen, Manli Hu, Tingting Tu, Changsheng Jiang With the purpose of fully understanding the potential toxicity of heavy metals of various particle sizes in fly ash (FA) and finding an optimal chemical reagent stabilization scheme for fly ash with single or mixture reagents, basic physicochemical characteristics of FA was investigated using multiple...
Thu, 07/02/2020 - 06:08
Author(s): Ihab Habib, John Coles, Mark Fallows, Stan Goodchild Quantitative Microbiological Risk Assessment (QMRA) is a methodology used to organize and analyze scientific information to both estimate the probability and severity of an adverse event as well as prioritize efforts to reduce the risk of foodborne pathogens. No QMRA efforts have been applied to Campylobacter in the Australian...
Thu, 07/02/2020 - 06:08
Author(s): Ching-Huang Lai, Chia-Chi Chou, Hsiao-Chi Chuang, Gu-Jiun Lin, Chih-Hong Pan, Wei-Liang Chen Advanced glycation end products (AGE) and the receptor for AGE (RAGE) have been found to be pivotal biomarkers to predict the risk of inflammation and oxidative stress. Limited evidence focuses on the influence of occupational exposure to polycyclic aromatic hydrocarbon (PAH) and metal fumes on...
Thu, 07/02/2020 - 06:07
Author(s): John A. Porter, Amit Morey, Emefa A. Monu Essential oils in combination with other antimicrobials can be added to food products to reduce the levels of target microbes below the infectious dose required to cause human illness. The purpose of this study was to investigate the antimicrobial efficacy of white mustard essential oil (WMEO) and carvacrol against Salmonella in ground chicken...
Thu, 07/02/2020 - 06:07
LWT
Author(s): Luca Maria Chiesa, Lucia DeCastelli, Maria Nobile, Francesca Martucci, Giacomo Mosconi, Mauro Fontana, Marta Castrica, Francesco Arioli, Sara Panseri Antibiotics are widely used in livestock production as disease treatment, prevention and improve feeding efficiency. In this study three screenings and a multiclass method by Liquid Chromatography tandem Mass High Resolution Spectrometry...

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