MALDI-TOF mass spectrometry: an emerging technology for microbial identification and diagnosis.

abstract：:The wide spread of Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae is great threat to public health in China. Plasmids are among the major factors mediating blaKPC gene dissemination. A total of 156 carbapenem-resistant Enterobacteriaceae (CRE) isolates were identified in a tertiary hospital in ...

journal_title：Frontiers in microbiology

authors： Huang J,Ding H,Shi Y,Zhao Y,Hu X,Ren J,Huang G,Wu R,Zhao Z

更新日期：2018-08-21 00:00:00

abstract：:Fluoroquinolone resistance can cause major clinical problems. Here, we investigated fluoroquinolone resistance mechanisms in a clinical Escherichia coli isolate, HUE1, which had no mutations quinolone resistance-determining regions (QRDRs) of DNA gyrase and topoisomerase IV. HUE1 demonstrated MICs that exceeded the br...

journal_title：Frontiers in microbiology

authors： Sato T,Yokota S,Uchida I,Okubo T,Usui M,Kusumoto M,Akiba M,Fujii N,Tamura Y

更新日期：2013-05-24 00:00:00

abstract：:A popular pre-harvest strategy to mitigate aflatoxin contamination of corn involves field application of non-aflatoxigenic strains of Aspergillus flavus. The basis of this biological control may involve multiple factors, but competitive displacement of aflatoxigenic strains by the biocontrol strains is a likely mechan...

journal_title：Frontiers in microbiology

authors： Weaver MA,Abbas HK

更新日期：2019-08-07 00:00:00

abstract：:Zika (ZIKV) and dengue virus (DENV) are transmitted to humans by Aedes mosquitoes. However, the molecular interactions between the vector and ZIKV remain largely unexplored. In this work, we further investigated the tropism of ZIKV in two different Aedes aegypti strains and show that the virus infection kinetics, tiss...

journal_title：Frontiers in microbiology

authors： Angleró-Rodríguez YI,MacLeod HJ,Kang S,Carlson JS,Jupatanakul N,Dimopoulos G

更新日期：2017-10-23 00:00:00

abstract：:Two large-scale outbreaks of streptococcal toxic shock-like syndrome (STSLS) have revealed Streptococcus suis 2 to be a severe and evolving human pathogen. We investigated the mechanism by which S. suis 2 causes STSLS. The transcript abundance of the transcriptional regulator gene tstS was found to be upregulated duri...

journal_title：Frontiers in microbiology

authors： Xu Z,Chen B,Zhang Q,Liu L,Zhang A,Yang Y,Huang K,Yan S,Yu J,Sun X,Jin M

更新日期：2018-06-19 00:00:00

abstract：:Organic farming system and sustainable management of soil pathogens aim at reducing the use of agricultural chemicals in order to improve ecosystem health. Despite the essential role of microbial communities in agro-ecosystems, we still have limited understanding of the complex response of microbial diversity and comp...

journal_title：Frontiers in microbiology

authors： Lupatini M,Korthals GW,de Hollander M,Janssens TK,Kuramae EE

更新日期：2017-01-04 00:00:00

abstract：:The family Marseilleviridae, defined as a group of icosahedral double-stranded DNA viruses with particle size of approximately 250 nm and genome size of 350-380 kbp, belongs to the nucleo-cytoplasmic family of large DNA viruses. The family Marseilleviridae is currently classified into lineages A-E. In this study, we i...

journal_title：Frontiers in microbiology

authors： Aoki K,Hagiwara R,Akashi M,Sasaki K,Murata K,Ogata H,Takemura M

更新日期：2019-05-24 00:00:00

abstract：:Bacterial pathogens cause a number of lethal diseases. Opportunistic bacterial pathogens grouped into ESKAPE pathogens that are linked to the high degree of morbidity, mortality and increased costs as described by Infectious Disease Society of America. Acinetobacter baumannii is one of the ESKAPE pathogens which cause...

journal_title：Frontiers in microbiology

authors： Tiwari V,Roy R,Tiwari M

更新日期：2015-06-18 00:00:00

abstract：:Salinity and pH have direct and indirect impacts on the growth and metabolic activities of microorganisms. In this study, the effects of salt and alkaline stresses on the kinetic balance between nitrous oxide (N2O) production and consumption in the denitrification pathway of Dechloromonas aromatica strain RCB were exa...

journal_title：Frontiers in microbiology

authors： Han H,Song B,Song MJ,Yoon S

更新日期：2019-06-05 00:00:00

abstract：:A range of attributes determines the virulence of human pathogens. During interactions with their hosts, pathogenic microbes often undergo transitions between distinct stages, and the ability to switch between these can be directly related to the disease process. Understanding the mechanisms and dynamics of these tran...

journal_title：Frontiers in microbiology

authors： Tyc KM,Kühn C,Wilson D,Klipp E

更新日期：2014-02-06 00:00:00

abstract：:Atypical enteropathogenic Escherichia coli (aEPEC) strains are unable to produce the bundle-forming pilus (BFP), which is responsible for the localized adherence pattern, a characteristic of the pathogenicity of typical EPEC strains. The lack of BFP in aEPEC strains suggests that other fimbrial or non-fimbrial adhesin...

journal_title：Frontiers in microbiology

authors： Munhoz DD,Nara JM,Freitas NC,Moraes CTP,Nunes KO,Yamamoto BB,Vasconcellos FM,Martínez-Laguna Y,Girón JA,Martins FH,Abe CM,Elias WP,Piazza RMF

更新日期：2018-05-15 00:00:00

abstract：:B-vitamins are recognized as essential organic growth factors for many organisms, although little is known about their abundance and distribution in marine ecosystems. Despite their metabolic functions regulating important enzymatic reactions, the methodology to directly measure different B-vitamins in aquatic environ...

journal_title：Frontiers in microbiology

authors： Barada LP,Cutter L,Montoya JP,Webb EA,Capone DG,Sañudo-Wilhelmy SA

更新日期：2013-03-07 00:00:00

abstract：:Low moisture content ready-to-eat foods vended in Nigerian markets could be pre-packaged or packaged at point of sale. These foods are widely and frequently consumed across Nigeria as quick foods. Despite their importance in the daily diets of Nigerians, a comprehensive study on the diversity of fungi, fungal metaboli...

journal_title：Frontiers in microbiology

authors： Ezekiel CN,Oyedele OA,Kraak B,Ayeni KI,Sulyok M,Houbraken J,Krska R

更新日期：2020-04-09 00:00:00

abstract：:Retrospective studies involving the screening of frozen stored collections of samples are commonplace when a new threat emerges, but it has been demonstrated that the freeze-thaw process can affect bacterial viability. The study of colistin-resistant bacteria in human and animal samples is an example of this issue. In...

journal_title：Frontiers in microbiology

authors： Miguela-Villoldo P,Moreno MA,Hernández M,Rodríguez-Lázaro D,Gallardo A,Borge C,Quesada A,Domínguez L,Ugarte-Ruiz M

更新日期：2020-11-09 00:00:00

abstract：:Enterohemorrhagic Escherichia coli O157:H7 (EHEC O157:H7) causes hemorrhagic colitis and the formation of characteristic attaching and effacing (A/E) lesions in humans. Given the severe sequelae of EHEC O157:H7 infection, it is critical to develop effective vaccines for human use. However, for achieving this goal many...

journal_title：Frontiers in microbiology

authors： Lin R,Zhang Y,Long B,Li Y,Wu Y,Duan S,Zhu B,Wu X,Fan H

更新日期：2017-03-15 00:00:00

abstract：:The prevalence of antimicrobial resistance (AR) in bacteria isolated from U.S. food animals has increased over the last several decades as have concerns of AR foodborne zoonotic human infections. Resistance mechanisms identified in U.S. animal isolates of Salmonella enterica included resistance to aminoglycosides (e.g...

journal_title：Frontiers in microbiology

authors： Frye JG,Jackson CR

更新日期：2013-05-23 00:00:00

abstract：:As the highest place of the world, the Tibetan plateau is a fragile ecosystem. Given the importance of microbial communities in driving soil nutrient cycling, it is of interest to document the microbial biogeographic pattern here. We adopted a microarray-based tool named GeoChip 4.0 to investigate grassland microbial ...

journal_title：Frontiers in microbiology

authors： Qi Q,Zhao M,Wang S,Ma X,Wang Y,Gao Y,Lin Q,Li X,Gu B,Li G,Zhou J,Yang Y

更新日期：2017-06-13 00:00:00

abstract：:Bacterial conjugation is one of the most important mechanisms for spread of antibiotic resistance among bacteria. We have previously demonstrated that cefotaxime (CTX) exposure up-regulates expression of Type-IV conjugation transfer genes, and that this leads to increased transfer of a blaCTX-M-1 encoding IncI1 resist...

journal_title：Frontiers in microbiology

authors： Liu G,Olsen JE,Thomsen LE

更新日期：2019-09-24 00:00:00

abstract：:Toxoplasmosis, which is one of the most widespread zoonoses worldwide, has a high incidence and infection can result in severe disease in humans and livestock. Citrate synthase (CS) is a component of nearly all living cells that plays a vital role in the citric acid cycle, which is the central metabolic pathway of aer...

journal_title：Frontiers in microbiology

authors： Liu X,Ma Q,Sun X,Lu M,Ehsan M,Hasan MW,Xu L,Yan R,Song X,Li X

更新日期：2017-07-21 00:00:00

abstract：:Safety and protective efficacy of recombinant multi-epitope subunit vaccine (r-AK36) was evaluated in a mouse model. Recombinant AK36 protein comprised of immunodominant antigens from outer membrane proteins (Omp's) of Klebsiella pneumoniae namely OmpA and OmpK36. r-AK36 was highly immunogenic and the hyperimmune sera...

journal_title：Frontiers in microbiology

authors： Babu L,Uppalapati SR,Sripathy MH,Reddy PN

更新日期：2017-09-20 00:00:00

abstract：:The colon is inhabited by a dense population of microorganisms, the so-called "gut microbiota," able to ferment carbohydrates and proteins that escape absorption in the small intestine during digestion. This microbiota produces a wide range of metabolites, including short chain fatty acids (SCFA). These compounds are ...

journal_title：Frontiers in microbiology

authors： Ríos-Covián D,Ruas-Madiedo P,Margolles A,Gueimonde M,de Los Reyes-Gavilán CG,Salazar N

更新日期：2016-02-17 00:00:00

abstract：:A notable feature of the Deepwater Horizon oil spill was the unprecedented formation of marine oil snow (MOS) that was observed in large quantities floating on the sea surface and that subsequently sedimented to the seafloor. Whilst the physical and chemical processes involved in MOS formation remain unclear, some stu...

journal_title：Frontiers in microbiology

authors： Suja LD,Chen X,Summers S,Paterson DM,Gutierrez T

更新日期：2019-03-20 00:00:00

abstract：:The eastern China marginal seas (ECMS) are prominent examples of river-dominated ocean margins, whose most characteristic feature is the existence of isolated mud patches on sandy sediments. Ammonia-oxidizing prokaryotes play a crucial role in the nitrogen cycles of many marine environments, including marginal seas. H...

journal_title：Frontiers in microbiology

authors： Yu S,Yao P,Liu J,Zhao B,Zhang G,Zhao M,Yu Z,Zhang XH

更新日期：2016-02-12 00:00:00

abstract：:Coronavirus (CoV) envelope (E) protein is a small structural protein critical for virion morphogenesis and release. The recently characterized E protein ion channel activity (EIC) has also been implicated in modulating viral pathogenesis. In this study, we used infectious bronchitis coronavirus (IBV) as a model to stu...

journal_title：Frontiers in microbiology

authors： Li S,Yuan L,Dai G,Chen RA,Liu DX,Fung TS

更新日期：2020-01-24 00:00:00

abstract：:Cyanobacteria are fascinating photosynthetic prokaryotes that are regarded as the ancestors of the plant chloroplast; the purveyors of oxygen and biomass for the food chain; and promising cell factories for an environmentally friendly production of chemicals. In colonizing most waters and soils of our planet, cyanobac...

journal_title：Frontiers in microbiology

authors： Cassier-Chauvat C,Veaudor T,Chauvat F

更新日期：2016-11-09 00:00:00

abstract：:Toxoplasma gondii is the causative agent for toxoplasmosis. The rhoptry protein 1 (ROP1) is secreted by rhoptry, an apical secretory organelle of the parasite. ROP1 plays an important role in host cell invasion. In this study, the efficacy of ROP1 as a vaccine candidate against toxoplasmosis was evaluated through intr...

journal_title：Frontiers in microbiology

authors： Sonaimuthu P,Ching XT,Fong MY,Kalyanasundaram R,Lau YL

更新日期：2016-05-27 00:00:00

abstract：:Aflatoxins are highly toxic carcinogens that detrimentally influence profitability of agriculture and the health of humans and domestic animals. Several phylogenetically distinct fungi within Aspergillus section Flavi have S-morphology (average sclerotial size < 400 μm), and consistently produce high concentrations of...

journal_title：Frontiers in microbiology

authors： Singh P,Callicott KA,Orbach MJ,Cotty PJ

更新日期：2020-06-11 00:00:00

abstract：:Managed aquifer recharge (MAR) offers a collection of water storage and storage options that have been used by resource managers to mitigate the reduced availability of fresh water. One of these technologies is aquifer storage and recovery (ASR), where surface water is treated then recharged into a storage zone within...

journal_title：Frontiers in microbiology

authors： Lisle JT

更新日期：2020-07-29 00:00:00

abstract：:Some terrestrial cyanobacteria can acclimate to and then utilize far-red light (FRL; λ = 700-800 nm) to perform oxygenic photosynthesis through a process called Far-Red Light Photoacclimation (FaRLiP). During FaRLiP, cells synthesize chlorophylls (Chl) d and Chl f and extensively remodel their photosynthetic apparatus...

journal_title：Frontiers in microbiology

authors： Ho MY,Bryant DA

更新日期：2019-03-13 00:00:00

abstract：:The etiology of periodontitis has traditionally been associated to a consortium of three bacterial species-the so-called "red-complex" of periodontal disease-which has been the target for most diagnostic and therapeutic strategies. However, other species have also been found to correlate with disease severity. In addi...

journal_title：Frontiers in microbiology

authors： Camelo-Castillo AJ,Mira A,Pico A,Nibali L,Henderson B,Donos N,Tomás I

更新日期：2015-02-24 00:00:00