Articles

Genomic characterization of malonate positive Cronobacter sakazakii serotype O:2, sequence type 64 strains, isolated from clinical, food, and environment samples

Malonate utilization, an important differential trait, well recognized as being possessed by six of the seven Cronobacter species is thought to be largely absent in Cronobacter sakazakii (Csak). The current study...

Authors: Gopal R. Gopinath, Hannah R. Chase, Jayanthi Gangiredla, Athmanya Eshwar, Hyein Jang, Isha Patel, Flavia Negrete, Samantha Finkelstein, Eunbi Park, TaeJung Chung, YeonJoo Yoo, JungHa Woo, YouYoung Lee, Jihyeon Park, Hyerim Choi, Seungeun Jeong…

Chlortetracycline and florfenicol induce expression of genes associated with pathogenicity in multidrug-resistant Salmonella enterica serovar Typhimurium

Multidrug-resistant (MDR) Salmonella enterica serovar Typhimurium (S. Typhimurium) is a serious public health threat as infections caused by these strains are more difficult and expensive to treat. Livestock serv...

Authors: Devin B. Holman, Shawn M. D. Bearson, Bradley L. Bearson and Brian W. Brunelle

Towards ending viral hepatitis as a public health threat: translating new momentum into concrete results in South-East Asia

Authors: Poonam Khetrapal Singh

Occurrence of multidrug-resistant and ESBL-producing atypical enteropathogenic Escherichia coli in China

Atypical enteropathogenic Escherichia coli (aEPEC) is regarded as a globally emerging enteropathogen. aEPECs exhibit various level of resistance to a range of antibiotics, which is increasing alarmingly. The pres...

Authors: Yanmei Xu, Hui Sun, Xiangning Bai, Shanshan Fu, Ruyue Fan and Yanwen Xiong

Molecular epidemiology of genogroup II norovirus infections in acute gastroenteritis patients during 2014–2016 in Pudong New Area, Shanghai, China

Norovirus (NoV), a member of the Caliciviridae, is now recognized as the leading cause of acute gastroenteritis (AGE) worldwide. Globally, the GII.4 Sydney_2012 variant has predominated in NoV-related AGE sinc...

Authors: Caoyi Xue, Lifeng Pan, Weiping Zhu, Yuanping Wang, Huiqin Fu, Chang Cui, Lan Lu, Sun Qiao and Biao Xu

Molecular detection of human enteric viruses circulating among children with acute gastroenteritis in Valencia, Venezuela, before rotavirus vaccine implementation

The role of rotavirus as main etiologic agent of diarrhea has been well documented worldwide, including in Venezuela. However, information about the prevalence of gastrointestinal viruses such as calicivirus, ...

Authors: Ana C. Alcalá, Kriss Pérez, Ruth Blanco, Rosabel González, Juan E. Ludert, Ferdinando Liprandi and Esmeralda Vizzi

Complete genome sequence of Lactobacillus rhamnosus Pen, a probiotic component of a medicine used in prevention of antibiotic-associated diarrhoea in children

Lactobacillus rhamnosus Pen is a human endogenous strain with well-documented health promoting properties that is used for production of probiotics. It has a long safety history of application, and its effectiven...

Authors: Piotr Jarocki, Marcin Podleśny, Mariusz Krawczyk, Agnieszka Glibowska, Jarosław Pawelec, Elwira Komoń-Janczara, Oleksandr Kholiavskyi, Michał Dworniczak and Zdzisław Targoński

Possible correlation between gut microbiota and immunity among healthy middle-aged and elderly people in southwest China

The present study was conducted to investigate the possible association between gut microbes and immunity among healthy middle-aged and elderly individuals in southwest China. A total of 148 healthy adults age...

Authors: Xi Shen, Junjie Miao, Qun Wan, Shuyue Wang, Ming Li, Fangfang Pu, Guoqing Wang, Wei Qian, Qian Yu, Francesco Marotta and Fang He

Involvement of gut microbiome in human health and disease: brief overview, knowledge gaps and research opportunities

The commensal, symbiotic, and pathogenic microbial community which resides inside our body and on our skin (the human microbiome) can perturb host energy metabolism and immunity, and thus significantly influen...

Authors: Dachao Liang, Ross Ka-Kit Leung, Wenda Guan and William W. Au

Genome sequence and comparative genomic analysis of a clinically important strain CD11-4 of Janibacter melonis isolated from celiac disease patient

Janibacter melonis and other member of this genus are known to cause bacteremia and serious clinical comorbidities, but there is no study reporting about pathogenicity attributes of J. melonis. Janibacter terrae ...

Authors: Atul Munish Chander, Rakesh Kochhar, Devinder Kumar Dhawan, Sanjay Kumar Bhadada and Shanmugam Mayilraj

Complete genome sequence of Lactobacillus pentosus SLC13, isolated from mustard pickles, a potential probiotic strain with antimicrobial activity against foodborne pathogenic microorganisms

Lactobacillus pentosus SLC13 is a high exopolysaccharide (EPS)-producing strain with broad-spectrum antimicrobial activity and the ability to grow in simulated gastrointestinal conditions. SLC13 was isolated from...

Authors: Min-Lang Huang, Jing-Yao Huang, Cheng-Yen Kao and Tony J. Fang

A multicenter prospective study on the diagnostic performance of a new liquid rapid urease test for the diagnosis of Helicobacter pylori infection

Helicobacter pylori (H. pylori) causes a diversity of gastric diseases. Rapid urease tests (RUT) are well established for the point-of-care, invasive diagnosis of H. pylori infection. ...

Authors: Werner Dolak, Ceren Bilgilier, Alexander Stadlmann, Judith Leiner, Andreas Püspök, Wolfgang Plieschnegger, Franz Siebert, Friedrich Wewalka, Rainer Schöfl, Ursula Huber-Schönauer, Christian Datz, Susanne Biowski-Frotz, Christoph Högenauer, Christiane Schrutka-Kölbl, Athanasios Makristathis, Maximilian Schöniger-Hekele…

Colistin resistant Escherichia coli carrying mcr-1 in urban sludge samples: Dhaka, Bangladesh

Of 48 bacteria belonging to the family Enterobacteriaceae tested from urban sludge samples, one Escherichia coli isolate was resistant to colistin and possessed the resistance marker gene mcr-1 found for the firs...

Authors: Aminul Islam, Zillur Rahman, Shirajum Monira, Md. Anisur Rahman, Andrew Camilli, Christine M. George, Niyaz Ahmed and Munirul Alam

Low distribution of genes encoding virulence factors in Shigella flexneri serotypes 1b clinical isolates from eastern Chinese populations

The ability of Shigella to invade, colonize, and eventually kill host cells is influenced by many virulence factors. However, there is no analysis of related genes in Jiangsu Province of China so far. Shigella fl...

Authors: Wenting Fan, Huimin Qian, Wenkang Shang, Chen Ying, Xuedi Zhang, Song Cheng, Bing Gu and Ping Ma

Exposure to environmental microbiota explains persistent abdominal pain and irritable bowel syndrome after a major flood

After an environmental disaster, the affected community is at increased risk for persistent abdominal pain but mechanisms are unclear. Therefore, our study aimed to determine association between abdominal pain...

Authors: NurFadhilah Yusof, Nurhazwani Hamid, Zheng Feei Ma, Rona Marie Lawenko, Wan Mohd Zahiruddin Wan Mohammad, Deirdre A. Collins, Min Tze Liong, Toshitaka Odamaki, Jinzhong Xiao and Yeong Yeh Lee

Recovery of Salmonella isolated from eggs and the commercial layer farms

Salmonella is recognized as a common bacterial cause of foodborne diarrheal illness worldwide, and animal or its food products have been the most common vehicles of the Salmonella infe...

Authors: Mei Long, Hua Yu, Li Chen, Guoyan Wu, Siyue Zhao, Wenwen Deng, Shujuan Chen, Kang Zhou, Shuliang Liu, Li He, Xiaoling Ao, Yubao Yan, Menggen Ma, Hongning Wang, Margaret A. Davis, Lisa Jones…

Modulation of the main porcine enteric neuropeptides by a single low-dose of lipopolysaccharide (LPS) Salmonella Enteritidis

The present research was conducted to investigate the influence of a low, single dose of LPS, which does not result in any clinical symptoms of intoxication on the expression of selected neuropeptides within t...

Authors: Anita Mikołajczyk, Sławomir Gonkowski and Dagmara Złotkowska

Correction to: CRISPR-like sequences in Helicobacter pylori and application in genotyping

In the original version of this article [1], published on 17 November 2017, Table 2 contains an error: the first “T” in the first sequence in the column ‘Consensus direct repeats (CDRs) sequences’ has been incorr...

Authors: Khotchawan Bangpanwimon, Jaksin Sottisuporn, Pimonsri Mittraparp-arthorn, Warattaya Ueaphatthanaphanich, Attapon Rattanasupar, Christine Pourcel and Varaporn Vuddhakul

Cytotoxic Escherichia coli strains encoding colibactin and cytotoxic necrotizing factor (CNF) colonize laboratory macaques

Many Escherichia coli strains are considered to be a component of the normal flora found in the human and animal intestinal tracts. While most E. coli strains are commensal, some strains encode virulence factors ...

Authors: Yan Feng, Anthony Mannion, Carolyn M. Madden, Alton G. Swennes, Catherine Townes, Charles Byrd, Robert P. Marini and James G. Fox

Comparative genomic analysis of Clostridium difficile ribotype 027 strains including the newly sequenced strain NCKUH-21 isolated from a patient in Taiwan

Clostridium difficile is a Gram-positive anaerobe and the leading cause of antibiotic-associated diarrhea worldwide. The emergence of ribotype 027 (RT027) strains is associated with in...

Authors: Haruo Suzuki, Masaru Tomita, Pei-Jane Tsai, Wen-Chien Ko, Yuan-Pin Hung, I-Hsiu Huang and Jenn-Wei Chen

Complete genome sequences of Clostridium perfringens Del1 strain isolated from chickens affected by necrotic enteritis

Clostridium perfringens is ubiquitous in nature. It is a normal inhabitant in the intestinal tract of animals and humans. As the primary etiological agent of gas gangrene, necrosis and...

Authors: Charles Li, Xianghe Yan and Hyun S. Lillehoj

Differences in the gut microbiota of dogs (Canis lupus familiaris) fed a natural diet or a commercial feed revealed by the Illumina MiSeq platform

Recent advances in next-generation sequencing technologies have enabled comprehensive analysis of the gut microbiota, which is closely linked to the health of the host. Consequently, several studies have explo...

Authors: Junhyung Kim, Jae-Uk An, Woohyun Kim, Soomin Lee and Seongbeom Cho

Complete genome sequence of the Vibrio vulnificus strain VV2014DJH, a human-pathogenic bacterium isolated from a death case in China

Vibrio vulnificus, an opportunistic pathogen, is the causative agent of life-threatening septicemia and severe wound infections. However, the pathogenicity and virulence factors of V. ...

Authors: Junhang Pan, Yi Sun, Wenwu Yao, Haiyan Mao, Yanjun Zhang and Muyuan Zhu

Whole genome sequencing-based detection of antimicrobial resistance and virulence in non-typhoidal Salmonella enterica isolated from wildlife

The aim of this study was to generate a reference set of Salmonella enterica genomes isolated from wildlife from the United States and to determine the antimicrobial resistance and virulence gene profile of the i...

Authors: Milton Thomas, Gavin John Fenske, Linto Antony, Sudeep Ghimire, Ronald Welsh, Akhilesh Ramachandran and Joy Scaria

CRISPR-like sequences in Helicobacter pylori and application in genotyping

Many bacteria and archaea possess a defense system called clustered regularly interspaced short palindromic repeats (CRISPR) associated proteins (CRISPR-Cas system) against invaders such as phages or plasmids....

Authors: Khotchawan Bangpanwimon, Jaksin Sottisuporn, Pimonsri Mittraparp-arthorn, Warattaya Ueaphatthanaphanich, Attapon Rattanasupar, Christine Pourcel and Varaporn Vuddhakul

Contribution of riboflavin supply pathways to Vibrio cholerae in different environments

The waterborne diarrheagenic bacterium Vibrio cholerae, cause of the pandemic cholera disease, thrives in a variety of environments ranging from estuarine waters to the human intestinal tract. This species has tw...

Authors: Andrés Fuentes Flores, Ignacio Sepúlveda Cisternas, José Ignacio Vásquez Solis de Ovando, Alexia Torres and Víctor Antonio García-Angulo

Community-acquired infection with hypervirulent Clostridium difficile isolates that carry different toxin and antibiotic resistance loci: a case report

Clostridium difficile infection (CDI) leads to the onset of antibiotic-associated diarrhea (AAD) and a wide range of gastrointestinal pathologies. Currently, CDI is one of the most imp...

Authors: Marina Muñoz, Milena Camargo, Dora Inés Ríos-Chaparro, Paula Gómez, Manuel Alfonso Patarroyo and Juan David Ramírez

Genotypic diversity, antimicrobial resistance and biofilm-forming abilities of Campylobacter isolated from chicken in Central China

Campylobacter is considered to be the leading cause of human bacterial gastroenteritis, of which poultry is the main reservoir. Campylobacter contaminated chicken products are a major ...

Authors: Tengfei Zhang, Jun Dong, Yiluo Cheng, Qin Lu, Qingping Luo, Guoyuan Wen, Guoping Liu and Huabin Shao

Toll-like receptor-4 differentially mediates intestinal and extra-intestinal immune responses upon multi-drug resistant Pseudomonas aeruginosa association of IL10^−/− mice with chronic colitis

Infections with multi-drug resistant (MDR) Gram-negative bacteria including Pseudomonas aeruginosa (PA) have become a serious threat particularly in hospitalized patients with immunopathological co-morbidities. T...

Authors: Anne Grunau, Ulrike Escher, Anja A. Kühl, Stefan Bereswill and Markus M. Heimesaat

Prevailing clone (ST69) of Vibrio cholerae O139 in India over 10 years

Vibrio cholerae is responsible for the cause of severe life-threatening infection known as cholera. The study aimed to analyze the genetic make-up of V. cholerae O139 isolates from India ...

Authors: Shalini Anandan, Naveen Kumar Devanga Ragupathi, Dhiviya Prabaa Muthuirulandi Sethuvel, Suji Thangamani and Balaji Veeraraghavan

A human stool-derived Bilophila wadsworthia strain caused systemic inflammation in specific-pathogen-free mice

Bilophila wadsworthia is a major member of sulfidogenic bacteria in human gut, it was originally recovered from different clinical specimens of intra-abdominal infections and recently ...

Authors: Zhou Feng, Wenmin Long, Binhan Hao, Ding Ding, Xiaoqing Ma, Liping Zhao and Xiaoyan Pang

Existence of a novel qepA variant in quinolone resistant Escherichia coli from aquatic habitats of Bangladesh

Of 19 environmental Escherichia coli (n = 12) and Klebsiella pneumoniae (n = 7) tested for quinolone resistance-related genes qnrA, qnrB, qnrC, qnrS and qepA, four each of E. coli and K. pneumoniae possessed qnrS

Authors: Zillur Rahman, Aminul Islam, Mahamud-ur Rashid, Fatema-Tuz Johura, Shirajum Monira, Haruo Watanabe, Niyaz Ahmed, Andrew Camilli and Munirul Alam

Occurrence of Salmonella enterica and Escherichia coli in raw chicken and beef meat in northern Egypt and dissemination of their antibiotic resistance markers

The global incidence of foodborne infections and antibiotic resistance is recently increased and considered of public health concern. Currently, scarcely information is available on foodborne infections and ES...

Authors: Amira A. Moawad, Helmut Hotzel, Omnia Awad, Herbert Tomaso, Heinrich Neubauer, Hafez M. Hafez and Hosny El-Adawy

Helicobacter pylori virulence genes of minor ethnic groups in North Thailand

There are few studies analyzed concurrently the prevalence and genotypes of Helicobacter pylori infection with the ancestor origins from different ethnics, especially with including minority groups. We recruited ...

Authors: Phawinee Subsomwong, Muhammad Miftahussurur, Ratha-korn Vilaichone, Thawee Ratanachu-ek, Rumiko Suzuki, Junko Akada, Tomohisa Uchida, Varocha Mahachai and Yoshio Yamaoka

Comparative genomic analysis and characteristics of NCCP15740, the major type of enterotoxigenic Escherichia coli in Korea

Enterotoxigenic Escherichia coli (ETEC) cause infectious diarrhea and diarrheal death. However, the genetic properties of pathogenic strains vary spatially and temporally, making prevention and treatment difficul...

Authors: Taesoo Kwon, Si-yun Chung, Young-Hee Jung, Su-Jin Jung, Sang-Gyun Roh, Je-Seop Park, Cheorl-Ho Kim, Won Kim, Young-Seok Bak and Seung-Hak Cho

Assessment of antibiotic susceptibility in Lactobacillus isolates from chickens

The aim of this study was to determine the susceptibility of 88 Lactobacillus isolates derived from chickens to antibiotic substances and to detect drug-resistance genes.

Authors: Marta Dec, Renata Urban-Chmiel, Dagmara Stępień-Pyśniak and Andrzej Wernicki

Detection of enterotoxigenic Bacteroides fragilis in patients with ulcerative colitis

Ulcerative colitis (UC) as a type of inflammatory bowel disease (IBD), presumed to occur as a consequence of increased immune responses to intestinal microbiota in genetically susceptible individuals. Enteroto...

Authors: Samin Zamani, Sonia Hesam Shariati, Mohammad Reza Zali, Hamid Asadzadeh Aghdaei, Akram Sarabi Asiabar, Saied Bokaie, Bizhan Nomanpour, Leonardo Antonio Sechi and Mohammad Mehdi Feizabadi

Phylogenomics of Colombian Helicobacter pylori isolates

During the Spanish colonisation of South America, African slaves and Europeans arrived in the continent with their corresponding load of pathogens, including Helicobacter pylori. Colombian strains have been clust...

Authors: Andrés Julián Gutiérrez-Escobar, Esperanza Trujillo, Orlando Acevedo and María Mercedes Bravo

Carbuncle due to Salmonella Enteritidis: a novel presentation

Salmonella Enteritidis causes intestinal and extra-intestinal infections, but rarely cutaneous infections. It has never been reported to cause carbuncle (a collection of interconnected...

Authors: Wadha Alfouzan, Dieter Bulach, Hidemasa Izumiya, Khaled AlBassam, Simin Sheikh, Nasser Alrubai’aan and M. John Albert

Class 1 integrons and plasmid-mediated multiple resistance genes of the Campylobacter species from pediatric patient of a university hospital in Taiwan

The Campylobacter species usually causes infection between humans and livestock interaction via livestock breeding. The studies of the Campylobacter species thus far in all clinical isolates were to show the many...

Authors: Yi-Chih Chang, Ni Tien, Jai-Sing Yang, Chi-Cheng Lu, Fuu-Jen Tsai, Tsurng-Juhn Huang and I-Kuan Wang

The in vitro and ex vivo effect of Auranta 3001 in preventing Cryptosporidium hominis and Cryptosporidium parvum infection

Cryptosporidium is a major cause of diarrhea worldwide in both humans and farm animals with no completely effective treatment available at present. In this study, we assessed the inhib...

Authors: Alexandros Ch Stratakos, Filip Sima, Patrick Ward, Mark Linton, Carmel Kelly, Laurette Pinkerton, Lavinia Stef, Ioan Pet, Tiberiu Iancu, Gratiela Pircalabioru and Nicolae Corcionivoschi

Phenotypic and genotypic correlation as expressed in Helicobacter pylori resistance to clarithromycin and fluoroquinolones

Helicobacter pylori susceptibility to clarithromycin and fluoroquinolone can be determined through Etest or molecular assays. We examined the correlation between phenotypic susceptibil...

Authors: Dana Binyamin, Nina Pastukh, Avi On, Maya Paritsky and Avi Peretz

Incidence of Campylobacter concisus and C. ureolyticus in traveler’s diarrhea cases and asymptomatic controls in Nepal and Thailand

Campylobacter concisus and C. ureolyticus have emerged in recent years as being associated with acute and prolonged gastroenteritis and implicated in the development of inflammatory bo...

Authors: Oralak Serichantalergs, Sirigade Ruekit, Prativa Pandey, Sinn Anuras, Carl Mason, Ladaporn Bodhidatta and Brett Swierczewski

Advanced non-cardia gastric cancer and Helicobacter pylori infection in Vietnam

The incidence of gastric cancer in the Northern city, Hanoi is higher than in the Southern city, Ho Chi Minh, Vietnam. We previously reported that Helicobacter pylori vacA m1 genotype might be responsible for the...

Authors: Tran Thanh Binh, Vo Phuoc Tuan, Ho Dang Quy Dung, Pham Huu Tung, Tran Dinh Tri, Ngo Phuong Minh Thuan, Vu Van Khien, Phan Quoc Hoan, Rumiko Suzuki, Tomohisa Uchida, Tran Thi Huyen Trang and Yoshio Yamaoka

Analysis of proteomes released from in vitro cultured eight Clostridium difficile PCR ribotypes revealed specific expression in PCR ribotypes 027 and 176 confirming their genetic relatedness and clinical importance at the proteomic level

Clostridium difficile is the causative agent of C. difficile infection (CDI) that could be manifested by diarrhea, pseudomembranous colitis or life-threatening toxic megacolon. The spr...

Authors: Jiri Dresler, Marcela Krutova, Alena Fucikova, Jana Klimentova, Veronika Hruzova, Miloslava Duracova, Katerina Houdkova, Barbora Salovska, Jana Matejkova, Martin Hubalek, Petr Pajer, Libor Pisa and Otakar Nyc

Bacteriophages in the gastrointestinal tract and their implications

The gut microbiota plays an essential role in health and disease of humans. Bacteriophages are the most abundant members of the gut virobiota and display great diversity. Phages can translocate through the muc...

Authors: Marzanna Łusiak-Szelachowska, Beata Weber-Dąbrowska, Ewa Jończyk-Matysiak, Renata Wojciechowska and Andrzej Górski

Gut dysbiosis in mice genetically selected for low antibody production

Dysbiosis is linked to the cause of several human diseases, many of which having an immunity related component. This work investigated whether mice genetically selected for low or high antibody production disp...

Authors: Ana Carolina da Silva Santos, José Ricardo Jensen, Silvio Luis de Oliveira and Josias Rodrigues

Genome characterization of a novel binary toxin-positive strain of Clostridium difficile and comparison with the epidemic 027 and 078 strains

Clostridium difficile is an anaerobic Gram-positive spore-forming gut pathogen that causes antibiotic-associated diarrhea worldwide. A small number of C. difficile strains express the ...

Authors: Zhong Peng, Sidi Liu, Xiujuan Meng, Wan Liang, Zhuofei Xu, Biao Tang, Yuanguo Wang, Juping Duan, Chenchao Fu, Bin Wu, Anhua Wu and Chunhui Li

Complete genome sequence of a commensal bacterium, Hafnia alvei CBA7124, isolated from human feces

Members of the genus Hafnia have been isolated from the feces of mammals, birds, reptiles, and fish, as well as from soil, water, sewage, and foods. Hafnia alvei is an opportunistic pathogen that has been implica...

Authors: Hye Seon Song, Joon Yong Kim, Yeon Bee Kim, Myeong Seon Jeong, Jisu Kang, Jin-Kyu Rhee, Joseph Kwon, Ju Suk Kim, Jong-Soon Choi, Hak-Jong Choi, Young-Do Nam and Seong Woon Roh

Overexpression of serine protease HtrA enhances disruption of adherens junctions, paracellular transmigration and type IV secretion of CagA by Helicobacter pylori

The serine protease HtrA is an important factor for regulating stress responses and protein quality control in bacteria. In recent studies, we have demonstrated that the gastric pathogen Helicobacter pylori can s...

Authors: Aileen Harrer, Manja Boehm, Steffen Backert and Nicole Tegtmeyer