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1. Protective cultures against foodborne pathogens in a nitrite reduced fermented meat product

Author:
Nikodinoska, Ivana; Baffoni, Loredana; Di Gioia, Diana; Manso, Beatriz; García-Sánchez, Lourdes; Melero, Beatriz; Rovira, Jordi
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.101 pp. 293-299
ISSN:
0023-6438
Subject:
food pathogens,   etc   ; Salmonella; chorizo; fermented meat; models; sodium nitrite;     Show all 6 Subjects
Abstract:
... In the present work, a combined hurdle approach for fermented meat preservation was investigated. Challenge tests were performed in Chorizo sausage model using the maximum allowed NaNO2 amount (150 mg/kg), a reduced amount (75 mg/kg) and no nitrite, with and without protective cultures inoculation. Cocktail strains of L. monocytogenes and Salmonella spp. were used as indicator strains. In a nitrit ...
DOI:
10.1016/j.lwt.2018.11.022

2. A novel visual-mixed-dye for LAMP and its application in the detection of foodborne pathogens

Author:
Pang, Bo; Yao, Shuo; Xu, Kun; Wang, Juan; Song, Xiuling; Mu, Ying; Zhao, Chao; Li, Juan
Source:
Analytical biochemistry 2019 v.574 pp. 1-6
ISSN:
0003-2697
Subject:
food pathogens,   etc   ; Staphylococcus aureus; Vibrio parahaemolyticus; dyes; fluorescence; loop-mediated isothermal amplification; manganese chloride; solar radiation;     Show all 8 Subjects
Abstract:
... Loop-mediated isothermal amplification (LAMP) has been widely applied for the detection of foodborne pathogens. Obtaining a simple, accurate readout of LAMP reaction results is crucial. Herein, a visual-mixed-dye (VMD) containing calcein (precombined with MnCl2) and hydroxynaphthol blue (HNB) for LAMP end-point detection was developed. The optimal final concentrations of these components in VMD we ...
DOI:
10.1016/j.ab.2019.03.002

3. Sensitive and visual detection of Cronobacter spp. in powdered infant formula by saltatory rolling circle amplification method

Author:
Zhang, Yunzhe; Yang, Qian; Li, Cong; Yuan, Yaowu; Zhang, Wei
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.107 pp. 41-48
ISSN:
0023-6438
Subject:
food pathogens,   etc   ; Cronobacter; DNA-directed RNA polymerase; detection limit; fluorescence; genes; infant formulas; polymerase chain reaction;     Show all 8 Subjects
Abstract:
... Cronobacter species are opportunistic foodborne pathogens involved in neonatal infections from powdered infant formula (PIF). In this study, a novel saltatory rolling circle amplification (SRCA) method has been developed for detecting Cronobacter spp. in PIF. 16 of Cronobacter spp. strains and 32 of non-Cronobacter strains were examined by using the DNA-directed RNA polymerase subunit beta (rpoB) ...
DOI:
10.1016/j.lwt.2019.02.050

4. Current understanding and perspectives on Listeria monocytogenes in low-moisture foods

Author:
Ly, Vivian; Parreira, Valeria R; Farber, Jeffrey M
Source:
Current opinion in food science 2019 v.26 pp. 18-24
ISSN:
2214-7993
Subject:
food pathogens,   etc   ; Listeria monocytogenes; drought tolerance; low moisture foods; phenotype; public health;     Show all 6 Subjects
Abstract:
... Listeria monocytogenes is an important foodborne pathogen that has caused many outbreaks, mainly related to foods that can support its growth. However, due to the emergence of low-moisture foods (LMFs) as potential sources of foodborne outbreaks, concerns exist about the potential public health implications of finding L. monocytogenes in LMFs, especially since research has shown that the organism ...
DOI:
10.1016/j.cofs.2019.02.012

5. Recovery from mild Escherichia coli O157:H7 infection in young and aged C57BL/6 mice with intact flora estimated by fecal shedding, locomotor activity and grip strength

Author:
Malavolta, Marco; Basso, Andrea; Giacconi, Robertina; Orlando, Fiorenza; Pierpaoli, Elisa; Cardelli, Maurizio; Leoni, Francesca; Chierichetti, Serena; Bray, Dorothy; Benlhassan, Khadija; Provinciali, Mauro
Source:
Comparative immunology, microbiology, and infectious diseases 2019 v.63 pp. 1-9
ISSN:
0147-9571
Subject:
food pathogens,   etc   ; Escherichia coli O157; at-risk population; discriminant analysis; flora; locomotion; mice; models; monitoring;     Show all 9 Subjects
Abstract:
... Escherichia coli 0157:H7 is a food-borne pathogen that can cause severe complications in vulnerable populations. Mouse infection models of E. coli 0157:H7 are usually developed under severe animal suffering classification by depleting the normal flora, in which age plays a role.To develop a refined method for longitudinal monitoring of E. coli 0157:H7 in young and old mice with intact flora.We app ...
DOI:
10.1016/j.cimid.2018.12.003

6. A novel method based on fluorescent magnetic nanobeads for rapid detection of Escherichia coli O157:H7

Author:
Huang, Zhen; Peng, Juan; Han, Jiaojiao; Zhang, Ganggang; Huang, Youju; Duan, Miaolin; Liu, Daofeng; Xiong, Yonghua; Xia, Shiqi; Lai, Weihua
Source:
Food chemistry 2019 v.276 pp. 333-341
ISSN:
0308-8146
Subject:
food pathogens,   etc   ; Escherichia coli O157; fluorescence; immunoassays; immunomagnetic separation; magnetism; monoclonal antibodies; nanoparticles; photoluminescence; rapid methods;     Show all 10 Subjects
Abstract:
... Fluorescent lateral flow immunoassay (FLFIA) based on immunomagnetic separation (IMS) has the advantage of sensitivity. However, its complex operation includes IMS, elution, incubation, and FLFIA steps. Here, we prepared a core@shell@satellite structure fluorescent magnetic nanobeads (FMNBs) and firstly introduced them into the novel method that integrated IMS with FLFIA (I-IMS-FLFIA) for the dete ...
DOI:
10.1016/j.foodchem.2018.09.164

7. Inhibitory Effect of Lactic Acid Bacteria on Foodborne Pathogens: A Review

Author:
Gao, Zhenhong; Daliri, Eric Banan-Mwine; Wang, Jun; Liu, Donghong; Chen, Shiguo; Ye, Xingqian; Ding, Tian
Source:
Journal of food protection 2019 v.82 no.3 pp. 441-453
ISSN:
0362-028X
Subject:
food pathogens,   etc   ; antimicrobial properties; fermentation; food safety; growth models; lactic acid bacteria; public health;     Show all 7 Subjects
Abstract:
... Foodborne pathogens are serious challenges to food safety and public health worldwide. Fermentation is one of many methods that may be used to inactivate and control foodborne pathogens. Many studies have reported that lactic acid bacteria (LAB) can have significant antimicrobial effects. The current review mainly focuses on the antimicrobial activity of LAB, the mechanisms of this activity, compe ...
DOI:
10.4315/0362-028X.JFP-18-303

8. Invited review: Advancements in lateral flow immunoassays for screening hazardous substances in milk and milk powder

Author:
Chen, Wenyao; Huang, Zheng; Hu, Song; Peng, Juan; Liu, Daofeng; Xiong, Yonghua; Xu, Hengyi; Wei, Hua; Lai, Weihua
Source:
Journal of dairy science 2019 v.102 no.3 pp. 1887-1900
ISSN:
0022-0302
Subject:
food pathogens,   etc   ; death; dried milk; food safety; human health; immunoassays; milk; mycotoxins; screening; veterinary drugs;     Show all 10 Subjects
Abstract:
... Dairy-related food safety outbreaks, such as food-borne pathogen contamination, mycotoxin contamination, and veterinary drug contamination, sometimes happen and have been reported all over the world, affecting human health and, in some cases, leading to death. Thus, rapid yet robust detection methods are needed to monitor milk and milk powder for the presence of hazardous substances. The lateral f ...
DOI:
10.3168/jds.2018-15462

9. Polymerase Chain Reaction-Dynamic Light Scattering Sensor for DNA and Protein by Using Both Replication and Cleavage Properties of Taq Polymerase

Author:
Wang, Jing; Li, Tingting; Shen, Ruidi; Li, Gongke; Ling, Liansheng
Source:
Analytical chemistry 2019 v.91 no.5 pp. 3429-3435
ISSN:
1520-6882
Subject:
food pathogens,   etc   ; DNA; Listeria monocytogenes; biosensors; colorimetry; light scattering; models; nanogold; polymerase chain reaction; thrombin;     Show all 10 Subjects
Abstract:
... The incorporation of AuNPs into polymerase chain reaction (PCR) has become a promising strategy to develop sensitive sensing platforms, due to desirable optical properties of AuNPs and the exponential amplification power of PCR. However, the combination of AuNPs to PCR usually fails to reach expected sensitivity along with additional steps. Here we report a one-step and universal PCR-based biosens ...
DOI:
10.1021/acs.analchem.8b04929

10. Heterologous expression and purification of BtCspB, a novel cold-shock protein-like bacteriocin from Bacillus thuringiensis BRC-ZYR2

Author:
Jin, Xin; Yao, Junmin; Fan, Haili; Che, Yucheng; Pan, Jieru; Zhang, Lingling; Pan, Xiaohong; Gelbič, Ivan; Huang, Tianpei; Guan, Xiong
Source:
World journal of microbiology & biotechnology 2019 v.35 no.2 pp. 23
ISSN:
0959-3993
Subject:
food pathogens,   etc   ; Bacillus cereus; Bacillus thuringiensis; Escherichia coli; affinity chromatography; bacteriocins; genes; heterologous gene expression;     Show all 8 Subjects
Abstract:
... A novel Bacillus thuringiensis (Bt) bacteriocin BtCspB, active against a food-borne pathogen Bacillus cereus, was identified and purified by a traditional four-step chromatographic process with low yield (44.5 µg/L) in our lab previously. The aim of this study was to dramatically increase its yield by heterologous expression of BtCspB. The BtCspB gene from Bt BRC-ZYR2 was successfully heterologous ...
DOI:
10.1007/s11274-019-2595-z

11. Combination effect of saturated or superheated steam and lactic acid on the inactivation of Escherichia coli O157:H7, Salmonella Typhimurium and Listeria monocytogenes on cantaloupe surfaces

Author:
Kwon, Sun-Ah; Song, Won-Jae; Kang, Dong-Hyun
Source:
Food microbiology 2019 v.82 pp. 342-348
ISSN:
0740-0020
Subject:
food pathogens,   etc   ; Escherichia coli O157; Listeria monocytogenes; Salmonella Typhimurium; acid treatment; cantaloupes; color; detection limit; lactic acid; spraying; steam; texture;     Show all 12 Subjects
Abstract:
... The purpose of this study was to evaluate the effectiveness of the combination treatment of lactic acid immersion and saturated or superheated steam (SHS) on inactivation of foodborne pathogens on cantaloupes. Saturated steam (SS) treatments were performed at 100 °C, while SHS treatments were delivered at either 150 or 200 °C. Escherichia coli O157:H7, Salmonella Typhimurium and Listeria monocytog ...
DOI:
10.1016/j.fm.2019.03.012

12. Curli fimbriae confer shiga toxin-producing Escherichia coli a competitive trait in mixed biofilms

Author:
Carter, Michelle Qiu; Feng, Doris; Li, Hui Hong
Source:
Food microbiology 2019 v.82 pp. 482-488
ISSN:
0740-0020
Subject:
food pathogens,   etc   ; Escherichia coli O157; biofilm; biogenesis; fimbriae; genes; leaves; microorganisms; mutants; phenotype; spinach; stainless steel; temperature;     Show all 13 Subjects
Abstract:
... Shiga toxin-producing Escherichia coli (STEC) is one of the most common causal agents of foodborne illness linked to fresh leafy vegetables. Here, we investigated the impact of spinach-associated microorganisms on proliferation and biofilm formation of STEC O157:H7 on stainless steel surfaces at temperatures related to produce production and postharvest processing environments. Although a prolifer ...
DOI:
10.1016/j.fm.2019.03.024

13. Detection of viable but nonculturable Vibrio parahaemolyticus in shrimp samples using improved real-time PCR and real-time LAMP methods

Author:
Cao, Xiao; Zhao, Lichao; Zhang, Jingfeng; Chen, Xun; Shi, Lei; Fang, Xiang; Xie, Hui; Chang, Yanlei; Wang, Li
Source:
Food control 2019 v.103 pp. 145-152
ISSN:
0956-7135
Subject:
food pathogens,   etc   ; Vibrio parahaemolyticus; bacteria; cold; cold stress; food storage; propidium; quantitative polymerase chain reaction; raw meat; shrimp;     Show all 10 Subjects
Abstract:
... Accurate and highly sensitive detection of viable but nonculturable (VBNC) Vibrio parahaemolyticus is crucial for preventing seafood-related outbreaks. The VBNC state may occur due to bacterial susceptibility to cold shock during food storage. Propidium monoazide (PMA) has been widely applied to detect VBNC foodborne pathogens. In this study, we developed and compared real-time PCR (qPCR) and real ...
DOI:
10.1016/j.foodcont.2019.04.003

14. Effect of 222-nm krypton-chloride excilamp treatment on inactivation of Escherichia coli O157:H7 and Salmonella Typhimurium on alfalfa seeds and seed germination

Author:
Kang, Jun-Won; Lee, Jae-Ik; Jeong, Soo-Yeon; Kim, Yu-Min; Kang, Dong-Hyun
Source:
Food microbiology 2019 v.82 pp. 171-176
ISSN:
0740-0020
Subject:
food pathogens,   etc   ; DNA damage; Escherichia coli O157; Salmonella Typhimurium; alfalfa; mercury; seed germination; seed industry; seed treatment; seeds;     Show all 10 Subjects
Abstract:
... We examined the control effect of a 222-nm KrCl excilamp on foodborne pathogens on alfalfa seeds and compared it with a conventional 254-nm low-pressure (LP) Hg lamp. When the 222-nm KrCl excilamp treated seeds at 87, 174 and 261 mJ/cm2, the log reductions of Escherichia coli O157:H7 (E. coli O157:H7) were 0.85, 1.77, and 2.77, respectively, and Salmonella Typhimurium (S. Typhimurium) experienced ...
DOI:
10.1016/j.fm.2019.01.019

15. Comparison between random forest and gradient boosting machine methods for predicting Listeria spp. prevalence in the environment of pastured poultry farms

Author:
Golden, Chase E.; Rothrock, Michael J.; Mishra, Abhinav
Source:
Food research international 2019 v.122 pp. 47-55
ISSN:
0963-9969
Subject:
food pathogens,   etc   ; Listeria; farms; feces; food safety; meteorological parameters; models; poultry; poultry products; prediction; soil; soil sampling;     Show all 12 Subjects
Abstract:
... Foodborne pathogens such as Listeria spp. contain the ability to survive and multiply in poultry farming environments, which provides a route of contamination for poultry processing environments and final poultry products. An understanding of the effect of meteorological variables on the prevalence of Listeria spp. in the farming environment is lacking. Soil and feces samples were collected from 1 ...
DOI:
10.1016/j.foodres.2019.03.062

16. Hydrodynamic cavitation for the rapid separation and electrochemical detection of Cryptosporidium parvum and Escherichia coli O157:H7 in ground beef

Author:
Nze, Ugochukwu C.; Beeman, Michael G.; Lambert, Christopher J.; Salih, Ghadhanfer; Gale, Bruce K.; Sant, Himanshu J.
Source:
Biosensors & bioelectronics 2019 v.135 pp. 137-144
ISSN:
0956-5663
Subject:
food pathogens,   etc   ; Cryptosporidium parvum; Escherichia coli O157; biosensors; diarrhea; electrochemistry; food matrix; ground beef; hydrodynamics; immunomagnetic separation; industry; oocysts;     Show all 12 Subjects
Abstract:
... Foodborne illnesses are a major contributor to misery and health challenges in both rich and poor nations. Illnesses from pathogens such as Escherichia coli and Cryptosporidium parvum oocysts account for most of the cases of diarrhea in the world. Many standard methods exist for detecting these pathogens in water. However, these standard methods do not readily translate to the detection of the sam ...
DOI:
10.1016/j.bios.2019.04.002

17. Bootstrap parametric GB2 and bootstrap nonparametric distributions for studying shiga toxin-producing Escherichia coli strains growth rate variability

Author:
Quinto, E.J.; Marín, J.M.; Caro, I.; Mateo, J.; Redondo-del-Río, M.P.; de-Mateo-Silleras, B.; Schaffner, D.W.
Source:
Food research international 2019 v.120 pp. 829-838
ISSN:
0963-9969
Subject:
food pathogens,   etc   ; Shiga toxin-producing Escherichia coli; confidence interval; dairy products; meat; models; serotypes; temperature; vegetables; water pollution;     Show all 10 Subjects
Abstract:
... Shiga toxin-producing Escherichia coli (VTEC) strains, including the serotype O157:H7, are considered foodborne pathogens. Transmission occurs through consumption of undercooked meat, unpasteurized dairy products, vegetables, or contaminated water. The variability of pathogenic and nonpathogenic E. coli strains growth parameters at different temperatures and in different media was studied. Bootstr ...
DOI:
10.1016/j.foodres.2018.11.045

18. Crossing the Intestinal Barrier via Listeria Adhesion Protein and Internalin A

Author:
Drolia, Rishi; Bhunia, Arun K.
Source:
Trends in microbiology 2019 v.27 no.5 pp. 408-425
ISSN:
0966-842X
Subject:
food pathogens,   etc   ; Listeria monocytogenes; absorption barrier; cadherins; epithelial cells; exocytosis; extrusion; food safety; heat shock proteins; intercellular junctions; intestinal mucosa;     Show all 11 Subjects
Abstract:
... The intestinal epithelial cell lining provides the first line of defense, yet foodborne pathogens such as Listeria monocytogenes can overcome this barrier; however, the underlying mechanism is not well understood. Though the host M cells in Peyer’s patch and the bacterial invasion protein internalin A (InlA) are involved, L. monocytogenes can cross the gut barrier in their absence. The interaction ...
DOI:
10.1016/j.tim.2018.12.007

19. Preventive effects of Lactobacillus plantarum ST-III against Salmonella infection

Author:
Liu, Junsheng; Gu, Zhennan; Zhang, Hao; Zhao, Jianxin; Chen, Wei
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.105 pp. 200-205
ISSN:
0023-6438
Subject:
food pathogens,   etc   ; Lactobacillus plantarum; Salmonella; adverse effects; animal models; anti-inflammatory activity; functional foods; intestines; probiotics; public health; salmonellosis;     Show all 11 Subjects
Abstract:
... Salmonellosis is one of the world's most leading epidemic diseases and poses a great threat to public health. Probiotic administration is an effective strategy to cope with pathogenic infections with few side-effects and a high safety profile. Lactobacillus plantarum ST-III is a probiotic with reported cholesterol-lowering activity. In this study, we investigated the preventive effects of L. plant ...
DOI:
10.1016/j.lwt.2019.02.043

20. An immunoliposome-based immunochromatographic strip assay for the rapid detection of Cronobacter species

Author:
Song, Xinjie; Shukla, Shruti; Kim, Myunghee
Source:
Journal of microbiological methods 2019 v.159 pp. 91-98
ISSN:
0167-7012
Subject:
food pathogens,   etc   ; Cronobacter; detection limit; food industry; immunoaffinity chromatography; immunoglobulin G; infant formulas; infants; mortality; rapid methods; research institutions; risk;     Show all 12 Subjects
Abstract:
... Cronobacter species are foodborne pathogens that pose a high risk in infant formula and can cause fatality rates of 40–80% in infected infants. To develop a rapid and easy detection method for Cronobacter species, especially in powdered infant formula (PIF), an immunoliposome-based immunochromatographic strip assay was developed using an anti-Cronobacter immunoglobulin G (IgG)-conjugated liposome ...
DOI:
10.1016/j.mimet.2019.02.006