Modulation of Active Gut Microbiota by Lactobacillus rhamnosus GG in a Diet Induced Obesity Murine Model.

abstract：:Consumption of cucumbers (Cucumis sativus var. sativus) has been linked to several foodborne outbreaks involving Salmonella enterica. The purpose of this work was to investigate the efficiency of colonization and internalization of S. enterica into cucumber plants by various routes of contamination. Produce-associated...

journal_title：Frontiers in microbiology

authors： Burris KP,Simmons OD,Webb HM,Deese LM,Moore RG,Jaykus LA,Zheng J,Reed E,Ferreira CM,Brown EW,Bell RL

更新日期：2020-05-29 00:00:00

abstract：:Pseudomonas syringae pv. tomato DC3000 carries the wssABCDEFGHI operon for the synthesis of acetylated cellulose, whose production is stimulated by increasing the intracellular levels of the second messenger c-di-GMP. This enhances air-liquid biofilm formation and generates a wrinkly colony morphotype in solid media. ...

journal_title：Frontiers in microbiology

authors： Pérez-Mendoza D,Felipe A,Ferreiro MD,Sanjuán J,Gallegos MT

更新日期：2019-04-17 00:00:00

abstract：:Some major research and clinical questions about human T-cell leukemia virus type 1 (HTLV-1) infection and rheumatic diseases remain: (1) Does HTLV-1 infection cause rheumatic diseases? (2) Do patients with rheumatic diseases display different responses to treatment with anti-rheumatic agents when they are HTLV-1 carr...

journal_title：Frontiers in microbiology

authors： Umekita K,Okayama A

更新日期：2020-02-11 00:00:00

abstract：Background:Antimicrobial resistance (AMR) thwarts the curative power of drugs and is a present-time global problem. We present data on antimicrobial susceptibility and resistance determinants of bacteria the WHO has highlighted as being key antimicrobial resistance concerns in Africa, to strengthen knowledge of AMR pat...

journal_title：Frontiers in microbiology

authors： Moirongo RM,Lorenz E,Ntinginya NE,Dekker D,Fernandes J,Held J,Lamshöft M,Schaumburg F,Mangu C,Sudi L,Sie A,Souares A,Heinrich N,Wieser A,Mordmüller B,Owusu-Dabo E,Adegnika AA,Coulibaly B,May J,Eibach D

更新日期：2020-09-25 00:00:00

abstract：:Vibrio parahaemolyticus is the leading cause of seafood-borne gastroenteritis worldwide. As reported in other countries, after the rise and fall of the pandemic strain in Chile, other post-pandemic strains have been associated with clinical cases, including strains lacking the major toxins TDH and TRH. Since the prese...

journal_title：Frontiers in microbiology

authors： Castillo D,Pérez-Reytor D,Plaza N,Ramírez-Araya S,Blondel CJ,Corsini G,Bastías R,Loyola DE,Jaña V,Pavez L,García K

更新日期：2018-02-08 00:00:00

abstract：:In the current study, we focused on the mechanism underlying starch flocculation by the sweet potato sour liquid. The traditional microbial techniques and 16S rDNA sequencing revealed that Lactobacillus was dominant flocculating microorganism in sour liquid. In total, 86 bacteria, 20 yeasts, and 10 molds were isolated...

journal_title：Frontiers in microbiology

authors： Zhang L,Yu Y,Li X,Li X,Zhang H,Zhang Z,Xu Y

更新日期：2017-07-25 00:00:00

abstract：:Mikania micrantha is a noxious invasive plant causing enormous economic losses and ecological damage. Soil microbiome plays an important role in the invasion process of M. micrantha, while little is known about its rhizosphere microbiome composition and function. In this study, we identified the distinct rhizosphere m...

journal_title：Frontiers in microbiology

authors： Yin L,Liu B,Wang H,Zhang Y,Wang S,Jiang F,Ren Y,Liu H,Liu C,Wan F,Wang H,Qian W,Fan W

更新日期：2020-07-07 00:00:00

abstract：:The ubiquitous Gram-negative bacterium Legionella pneumophila parasitizes environ mental amoebae and, upon inhalation, replicates in alveolar macrophages, thus causing a life-threatening pneumonia called "Legionnaires' disease." The opportunistic pathogen employs a bi-phasic life cycle, alternating between a replicati...

journal_title：Frontiers in microbiology

authors： Hochstrasser R,Hilbi H

更新日期：2017-02-03 00:00:00

abstract：:Leaf-cutter ants in the genus Atta are dominant herbivores in the Neotropics. While most species of Atta cut dicots to incorporate into their fungus gardens, some species specialize on grasses. Here we examine the bacterial community associated with the fungus gardens of grass- and dicot-cutter ants to examine how cha...

journal_title：Frontiers in microbiology

authors： Khadempour L,Fan H,Keefover-Ring K,Carlos-Shanley C,Nagamoto NS,Dam MA,Pupo MT,Currie CR

更新日期：2020-09-24 00:00:00

abstract：:The intestinal microbiota is a complex microbial community, with diverse and stable populations hosted by the gastrointestinal tract since birth. This ecosystem holds multiple anti-infectious, anti-inflammatory, and immune modulating roles decisive for intestinal homeostasis. Among these, colonization resistance refer...

journal_title：Frontiers in microbiology

authors： Iacob S,Iacob DG,Luminos LM

更新日期：2019-01-23 00:00:00

abstract：:Aspergillus niger has an innate ability to secrete various organic acids, including citrate. The conditions required for A. niger citrate overproduction are well described, but the physiological reasons underlying extracellular citrate accumulation are not yet fully understood. One of the less understood culture condi...

journal_title：Frontiers in microbiology

authors： Odoni DI,van Gaal MP,Schonewille T,Tamayo-Ramos JA,Martins Dos Santos VAP,Suarez-Diez M,Schaap PJ

更新日期：2017-08-02 00:00:00

abstract：:The safety of healthcare workers (HCWs) against severe acute respiratory syndrome virus 2 (SARS-CoV-2) transmission is an important aspect of managing the coronavirus disease 2019 (COVID-19) pandemic. In the South Korea, highly stringent infection prevention and control (IPC) guidelines are implemented, and reports of...

journal_title：Frontiers in microbiology

authors： Ko JH,Lee JY,Kim HA,Kang SJ,Baek JY,Park SJ,Hyun M,Jo IJ,Chung CR,Kim YJ,Kang ES,Choi YK,Chang HH,Jung SI,Peck KR

更新日期：2020-11-20 00:00:00

abstract：:The Gram-negative bacterium Vibrio cholerae encodes two nucleases, Dns and Xds, which play a major role during the human pathogen's lifecycle. Dns and Xds control three-dimensional biofilm formation and bacterial detachment from biofilms via degradation of extracellular DNA and thus contribute to the environmental, in...

journal_title：Frontiers in microbiology

authors： Pressler K,Mitterer F,Vorkapic D,Reidl J,Oberer M,Schild S

更新日期：2019-09-10 00:00:00

abstract：:The marine picocyanobacterium Synechococcus sp. WH7803 possesses two glutamine synthetases (GSs; EC 6.3.1.2), GSI encoded by glnA and GSIII encoded by glnN. This is the first work addressing the physiological regulation of both enzymes in a marine cyanobacterial strain. The increase of GS activity upon nitrogen starva...

journal_title：Frontiers in microbiology

authors： Domínguez-Martín MA,Díez J,García-Fernández JM

更新日期：2016-06-28 00:00:00

abstract：:The human T-lymphotropic virus (HTLV) is part of the group of retroviruses that share similar routes of transmission to the human immunodeficiency virus (HIV). Coinfection of these viruses can affect the clinical course of both infections, and reports have shown a quicker progression to AIDS and the development of HIV...

journal_title：Frontiers in microbiology

authors： Alencar SP,Souza MC,Fonseca RRS,Menezes CR,Azevedo VN,Ribeiro ALR,Lima SS,Laurentino RV,Barbosa MDAAP,Freitas FB,Oliveira-Filho AB,Machado LFA

更新日期：2020-10-22 00:00:00

abstract：:A number of studies have shown that elevated atmospheric CO2 ([CO2]) affects rice yields and grain quality. However, the responses of root-associated bacteria to [CO2] elevation have not been characterized in a large-scale field study. We conducted a free-air CO2 enrichment (FACE) experiment (ambient + 200 μmol.mol(-1...

journal_title：Frontiers in microbiology

authors： Okubo T,Liu D,Tsurumaru H,Ikeda S,Asakawa S,Tokida T,Tago K,Hayatsu M,Aoki N,Ishimaru K,Ujiie K,Usui Y,Nakamura H,Sakai H,Hayashi K,Hasegawa T,Minamisawa K

更新日期：2015-02-20 00:00:00

abstract：:Cobamides are a family of enzyme cofactors that include vitamin B12 (cobalamin) and are produced solely by prokaryotes. Structural variability in the lower axial ligand has been observed in cobamides produced by diverse organisms. Of the three classes of lower ligands, the benzimidazoles are uniquely found in cobamide...

journal_title：Frontiers in microbiology

authors： Crofts TS,Men Y,Alvarez-Cohen L,Taga ME

更新日期：2014-11-13 00:00:00

abstract：:Fumarases (Fums) catalyze the reversible reaction converting fumarate to l-malate. There are two kinds of Fums: Class І and ІІ. Thermostable Class ІІ Fums, from mesophilic microorganisms, are utilized for industrial l-malate production. However, the low thermostability of these Fums is a limitation in industrial l-mal...

journal_title：Frontiers in microbiology

authors： Ito S,Iwazumi K,Sukigara H,Osanai T

更新日期：2020-09-16 00:00:00

abstract：:Previous studies on vancomycin-intermediate Staphylococcus aureus (VISA) have mainly focused on drug resistance, the evolution of differences in virulence between VISA and vancomycin-sensitive S. aureus (VSSA) requires further investigation. To address this issue, in this study, we compared the virulence and toxin pro...

journal_title：Frontiers in microbiology

authors： Jin Y,Yu X,Zhang S,Kong X,Chen W,Luo Q,Zheng B,Xiao Y

更新日期：2020-10-30 00:00:00

abstract：:Lactic acid bacteria (LAB) are important for human health. However, the relative abundance of LAB in complex samples, such as fecal samples, is low and their presence and diversity (at the species level) is understudied. Therefore, we designed LAB-specific primer pairs based on 16S rRNA gene consensus sequences from 4...

journal_title：Frontiers in microbiology

authors： Hou Q,Bai X,Li W,Gao X,Zhang F,Sun Z,Zhang H

更新日期：2018-08-31 00:00:00

abstract：:The Asian citrus psyllid (ACP), Diaphorina citri (Kuwayama) (Hemiptera: Liviidae), is a notorious Rutaceae plant pest. Frequent and extensive use of pesticides has resulted in severe insecticide resistance in ACP populations. Fully understanding the mechanism of ACP resistance to pesticides is vital for us to control ...

journal_title：Frontiers in microbiology

authors： Yi T,Lei L,He L,Yi J,Li L,Dai L,Hong Y

更新日期：2020-12-16 00:00:00

abstract：:The development of a safe and efficient multivalent vaccine has great prospects for application. Both rabies virus (RABV) and canine distemper virus (CDV) are highly infectious antigens, causing lethal diseases in domestic dogs and other carnivores worldwide. In this study, a replication-deficient human adenovirus 5 (...

journal_title：Frontiers in microbiology

authors： Yan L,Zhao Z,Xue X,Zheng W,Xu T,Liu L,Tian L,Wang X,He H,Zheng X

更新日期：2020-06-16 00:00:00

abstract：:In this study the efficacy of two different methods for extracting lipopeptides produced by five Bacillus strains-ethyl acetate extraction, and acid precipitation followed by methanol extraction-was investigated using mass spectrometry. High performance thin layer chromatography (HPTLC) was also used for the simultane...

journal_title：Frontiers in microbiology

authors： Dimkić I,Stanković S,Nišavić M,Petković M,Ristivojević P,Fira D,Berić T

更新日期：2017-05-23 00:00:00

abstract：:Putrescine is widely used in industrial production of bioplastics, pharmaceuticals, agrochemicals, and surfactants. Although engineered Corynebacterium glutamicum has been successfully used to produce high levels of putrescine, the overall cellular physiological and metabolic changes caused by overproduction of putres...

journal_title：Frontiers in microbiology

authors： Li Z,Liu JZ

更新日期：2017-10-17 00:00:00

abstract：:Oropharyngeal candidiasis is a common opportunistic mucosal infection of the oral cavity, mainly caused by an overgrowth of Candida albicans. This infection can inhibit nutritional intakes and strongly affect quality of life. To date, standard therapeutic strategies involving the administration of antifungal drugs can...

journal_title：Frontiers in microbiology

authors： Roselletti E,Sabbatini S,Ballet N,Perito S,Pericolini E,Blasi E,Mosci P,Cayzeele Decherf A,Monari C,Vecchiarelli A

更新日期：2019-07-11 00:00:00

abstract：:Active volcanoes in Antarctica contrast with their predominantly cold surroundings, resulting in environmental conditions capable of selecting for versatile and extremely diverse microbial communities. This is especially true on Deception Island, where geothermal, marine, and polar environments combine to create an ex...

journal_title：Frontiers in microbiology

authors： Bendia AG,Signori CN,Franco DC,Duarte RTD,Bohannan BJM,Pellizari VH

更新日期：2018-05-07 00:00:00

abstract：:Objectives: To reveal the prevalence and epidemiology of extended-spectrum β-lactamase (ESBL)- and/or plasmid AmpC (pAmpC)- and carbapenemase (CP) producing Enterobacteriaceae and vancomycin-resistant enterococci (VRE) across the Northern Dutch-German border region. Methods: A point-prevalence study on ESBL/pAmpC/CP p...

journal_title：Frontiers in microbiology

authors： Zhou X,García-Cobos S,Ruijs GJHM,Kampinga GA,Arends JP,Borst DM,Möller LV,Holman ND,Schuurs TA,Bruijnesteijn van Coppenraet LE,Weel JF,van Zeijl JH,Köck R,Rossen JWA,Friedrich AW

更新日期：2017-10-05 00:00:00

abstract：:In this study we report the effects of fungal metabolites isolated from cultures of the fungus Trichoderma citrinoviride ITEM 4484 on the feeding preference of the aphid Rhopalosiphum padi, a major pest of cereal crops. Different phagodeterrent metabolites were purified by a combination of direct and reverse phase col...

journal_title：Frontiers in microbiology

authors： Ganassi S,Grazioso P,De Cristofaro A,Fiorentini F,Sabatini MA,Evidente A,Altomare C

更新日期：2016-03-10 00:00:00

abstract：:During chronic respiratory infections of cystic fibrosis (CF) patients, bacteria adaptively evolve in response to the nutritional and immune environment as well as influence other infecting microbes. The present study was designed to gain insights into the genetic mechanisms underlying adaptation and diversification b...

journal_title：Frontiers in microbiology

authors： Hassan AA,Dos Santos SC,Cooper VS,Sá-Correia I

更新日期：2020-09-25 00:00:00

abstract：:The human enteric pathogen Salmonella enterica leads a cross-kingdom lifestyle, actively colonizing and persisting on plants in between animal hosts. One of the questions that arises from this dual lifestyle is how S. enterica is able to adapt to such divergent hosts. Metabolic pathways required for S. enterica animal...

journal_title：Frontiers in microbiology

authors： Kwan G,Plagenz B,Cowles K,Pisithkul T,Amador-Noguez D,Barak JD

更新日期：2018-05-08 00:00:00