Research Publications (Food Safety)

Author(s): Carla S. Fermanelli, Agostina Córdoba, Liliana B. Pierella, Clara Saux

Author(s): Mingfei Xing, Yu Li, Lei Zhao, Xiaoyan Song, Zegang Fu, Yajie Du, Xingyu Huang

Author(s): Na Wang, Kezhen Qian, Dezhen Chen, Hengzhen Zhao, Lijie Yin

Author(s): Carlos Flores-Ortiz, Lilia M. Alvarez, Alejandro Undurraga, Daniela Arias, Felipe Durán, Guillermo Wegener, Claudia Stange

Author(s): Priyanka Mahadappa, Narayanan Krishnaswamy, Mahendran Karunanidhi, AG Bhanuprakash, BV Bindhuja, Sahadeb Dey

Concern about the safety of acrylamide in french fries led to the identification of potato varieties low in the acrylamide precursors asparagine and reducing sugars that vary with variety, nitrogen (N) fertilizer applications, and other factors, but produce light‐colored fries, which may not appeal to consumers.

BACKGROUND Heavy metal resistant bacterium Enterobacter sp. C1D was evaluated for cadmium (Cd) mediated exopolysaccharide production, biofilm formation and legume root colonization ability under Cd stress to alleviate metal induced stress. RESULTS The plant was sensitive to Cd (IC50 3‐ 4μg/ml), while the bacterium showed high Cd tolerance (MIC99 120 μg/ml).

Chlorpyrifos is a type of organophosphate insecticide used extensively in the plantation of tomatoes, a worldwide popular food. However, chlorpyrifos residues on tomatoes bring risks to human health considering the consumption level of tomato is relatively high across many countries. Accurate detection and strict regulation of chlorpyrifos residues are very important in controlling health risks related to chlorpyrifos.

Abstract

Background

Arsenic (As) and cadmium (Cd) are two toxic elements that have a relatively high risk of transfer from paddy soil to rice grain. Rice is a major dietary source of these two elements for populations consuming rice as a staple food. Reducing their accumulation in rice grain is important for food safety and human health.

Edwardsiella piscicida is a pathogenic bacterium responsible for significant losses in important wild and cultured fish species. E. piscicida strain MS-18-199 recovered from a diseased hybrid catfish from East Mississippi and showed resistance to florfenicol, chloramphenicol, oxytetracycline, doxycycline, erythromycin, tetracycline, azitromycin, spectinomycin, sulfonamide, and bacitracin. To explore the mechanisms of resistance in E.

by Anna Minchom, Daisy Mak, Ranga Gunapala, David Walder, Rajiv Kumar, Nadia Yousaf, Andrew Hodgkiss, Jaishree Bhosle, Sanjay Popat, Mary E. R. O’Brien

Objectives

A novel Gram-negative, aerobic, motile and rod-shaped bacterium with the potential to biodegrade polycyclic aromatic hydrocarbons, was isolated from Khazar (Caspian) Sea. Strain TBZ2T grows in the absence of NaCl and tolerates up to 8.5% NaCl. Growth occurred at pH 3.0–10.0 (optimum, pH 6.0–7.0) and 10–45 °C (optimum, 30 °C). The major fatty acids are C18:1ω7C, C16:1ω7C/ C15:0 iso 2-OH, C16:0, C12:0, C10:0 3-OH, C12:0 3-OH.

Context-specific GEnome-scale metabolic Network REconstructions (GENREs) provide a means to understand cellular metabolism at a deeper level of physiological detail. Here, we use transcriptomics data from chemically-exposed rat hepatocytes to constrain a GENRE of rat hepatocyte metabolism and predict biomarkers of liver toxicity using the Transcriptionally Inferred Metabolic Biomarker Response algorithm.

This study was performed to examine the transgenerational effects of bisphenol (BP) A analogs, BPE, and BPS on male reproductive functions using mice as a model. CD-1 mice (F0) were orally exposed to control treatment (corn oil), BPA, BPE, or BPS (0.5 or 50 µg/kg/day) from gestational day 7 (the presence of vaginal plug = 1) to birth. Mice from F1 and F2 offspring were used to generate F3 males.

Gestational exposure to bisphenol A (BPA) can lead to offspring insulin resistance. However, despite the role that the skeletal muscle plays in glucose homeostasis, it remains unknown whether gestational exposure to BPA, or its analog bisphenol S (BPS), impairs skeletal muscle development. We hypothesized that gestational exposure to BPA or BPS will impair fetal muscle development and lead to muscle-specific insulin resistance.

The aryl hydrocarbon receptor (AhR) activation has been shown to alter proliferation, apoptosis, or differentiation of adult rat liver progenitors. Here, we investigated the impact of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-mediated AhR activation on a human model of bipotent liver progenitors, undifferentiated HepaRG cells.

Author(s): Irene Dervisi, Chrysanthi Valassakis, Adamantia Agalou, Nikolaos Papandreou, Varvara Podia, Kosmas Haralampidis, Vassiliki A. Iconomidou, Vassili N. Kouvelis, Herman P. Spaink, Andreas Roussis

Author(s): Antoine Rostang, Jacques Devos, Christophe Chartier

Author(s): Wenjia Jin, Zhigang Wang, Yafei Sun, Yongjie Wang, Chunjuan Bi, Limin Zhou, Xiangmin Zheng

Few published studies have examined whether the elevated concentrations of the nonessential toxic metal mercury (Hg) often observed in shark muscle also occur in the shark brain or whether Hg accumulation affects shark neurophysiology.

Author(s): Neus González, Sara C. Cunha, Ricardo Ferreira, José O. Fernandes, Montse Marquès, Martí Nadal, José L. Domingo

Author(s): Chuanfeng Teng, Jianbo Jia, Zhiping Wang, Bing Yan

Author(s): Peng Zeng, Zhaohui Guo, Xiyuan Xiao, Chi Peng, Lingqing Liu, Demei Yan, Yalei He

Author(s): Nijira Brahma, Abhik Gupta