Glycan cross-feeding activities between bifidobacteria under in vitro conditions.

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：:The golden orb-weaver spider Nephila clavipes, known for its sexual size dimorphism, is abundant and widespread in the New World. The first annotated genome of orb-weaver spiders, exploring N. clavipes, has recently been reported. The study, focused primarily on the diversity of silk specific genes, shed light into th...

journal_title：Frontiers in microbiology

authors： Debat HJ

更新日期：2017-10-25 00:00:00

abstract：:Toxoplasma gondii is a protozoan parasite with a remarkable neurotropism. We recently showed that T. gondii infection can alter the global metabolism of the cerebral cortex of mice. However, the impact of T. gondii infection on the metabolism of the cerebellum remains unknown. Here we apply metabolomic profiling to di...

journal_title：Frontiers in microbiology

authors： Ma J,He JJ,Hou JL,Zhou CX,Elsheikha HM,Zhu XQ

更新日期：2020-07-10 00:00:00

abstract：:Pseudomonas aeruginosa uses quorum sensing (QS) to regulate the production of public goods such as the secreted protease elastase. P. aeruginosa requires the LasI-LasR QS circuit to induce elastase and enable growth on casein as the sole carbon and energy source. The LasI-LasR system also induces a second QS circuit, ...

journal_title：Frontiers in microbiology

authors： Yan H,Wang M,Sun F,Dandekar AA,Shen D,Li N

更新日期：2018-02-27 00:00:00

abstract：:A number of secondary plant metabolites (e.g., flavonoids) possess antiviral/antimicrobial activity. Most flavonoids, however, are difficult to study, as they are immiscible in water-based systems. The relatively new semisynthetic α-glucosyl hesperitin (GH), and the natural plant product epigallocatechin gallate (EGCG...

journal_title：Frontiers in microbiology

authors： Lipson SM,Ozen FS,Louis S,Karthikeyan L

更新日期：2015-04-29 00:00:00

abstract：:Streptococcus mutans is an important pathogen in the human oral biofilm. It expresses virulent behaviors that are linked to its genetic competence regulon, which is controlled by comX. Expression of comX is modulated by two diffusible signaling peptides, denoted CSP and XIP, and by other environmental cues such as pH ...

journal_title：Frontiers in microbiology

authors： Ishkov IP,Kaspar JR,Hagen SJ

更新日期：2021-01-12 00:00:00

abstract：:The worldwide dissemination of carbapenemase-producing Enterobacteriaceae (CPE) has become a major therapeutic concern in clinical settings. Enterobacter cloacae is a major pathogen that causes serious hospital-acquired infections. We investigated the clinical characteristics and molecular mechanisms of the first IMP-...

journal_title：Frontiers in microbiology

authors： Lee JH,Bae IK,Lee CH,Jeong S

更新日期：2017-11-28 00:00:00

abstract：:The alarming rise in the prevalence of antibiotic resistance among pathogenic bacteria poses a unique challenge for the development of effective therapeutic agents. Antimicrobial peptides (AMPs) have attracted a great deal of attention as a possible solution to the increasing problem of antibiotic-resistant bacteria. ...

journal_title：Frontiers in microbiology

authors： Liu G,Yang F,Li F,Li Z,Lang Y,Shen B,Wu Y,Li W,Harrison PL,Strong PN,Xie Y,Miller K,Cao Z

更新日期：2018-05-29 00:00:00

abstract：:The human immune response that controls Plasmodium infection in the liver and blood stages of the parasite life cycle is composed by both pro- and anti-inflammatory programs. Pro-inflammatory responses primarily mediated by IFN-γ controls the infection, but also induce tolerogenic mechanisms to limit host damage, incl...

journal_title：Frontiers in microbiology

authors： Dos Santos RO,da Cruz MGS,Lopes SCP,Oliveira LB,Nogueira PA,Lima ES,Soares IS,Kano FS,de Carvalho AT,Costa FTM,Ganoza CA,de Lacerda MVG,Lalwani P

更新日期：2020-03-17 00:00:00

abstract：:Mycobacterium tuberculosis (MTB) and non-tuberculous mycobacteria (NTM) are formidable causes of lung diseases throughout the world. While MTB is considered to be more virulent than NTM, host factors also play a key role in disease development. To elucidate whether there are differential immune responses to various my...

journal_title：Frontiers in microbiology

authors： Feng Z,Bai X,Wang T,Garcia C,Bai A,Li L,Honda JR,Nie X,Chan ED

更新日期：2020-02-07 00:00:00

abstract：:This study investigated the effects of dietary essential oils (EOs) on intestinal microbial composition and metabolic profiles in weaned piglets. The piglets were fed the same basal diet supplemented with EOs (EO) or without EOs (Con) in the current study. The results showed that the body weight gain was significantly...

journal_title：Frontiers in microbiology

authors： Li Y,Fu X,Ma X,Geng S,Jiang X,Huang Q,Hu C,Han X

更新日期：2018-08-28 00:00:00

abstract：:Thawing of permafrost soils is expected to stimulate microbial decomposition and respiration of sequestered carbon. This could, in turn, increase atmospheric concentrations of greenhouse gasses, such as carbon dioxide and methane, and create a positive feedback to climate warming. Recent metagenomic studies suggest th...

journal_title：Frontiers in microbiology

authors： Coolen MJ,Orsi WD

更新日期：2015-03-16 00:00:00

abstract：:Whole genome sequencing (WGS) of Mycobacterium tuberculosis has been constructive in understanding its evolution, genetic diversity and the mechanisms involved in drug resistance. A large number of sequencing efforts from across the globe have revealed genetic diversity among clinical isolates and the genetic determin...

journal_title：Frontiers in microbiology

authors： Advani J,Verma R,Chatterjee O,Pachouri PK,Upadhyay P,Singh R,Yadav J,Naaz F,Ravikumar R,Buggi S,Suar M,Gupta UD,Pandey A,Chauhan DS,Tripathy SP,Gowda H,Prasad TSK

更新日期：2019-02-26 00:00:00

abstract：:Previously, we showed that Bacillus amyloliquefaciens FZB42 can confer salt tolerance in plants by root inoculation under salt stress condition, and the FZB42 volatile organic compounds (VOCs) promoted plant growth and development under non-salt stress condition. In the present study, we investigated the mechanism tha...

journal_title：Frontiers in microbiology

authors： Liu S,Tian Y,Jia M,Lu X,Yue L,Zhao X,Jin W,Wang Y,Zhang Y,Xie Z,Wang R

更新日期：2020-11-12 00:00:00

abstract：:Paracoccidioidomycosis (PCM), a common chronic mycosis in Latin America, is a granulomatous systemic disease caused by the thermo-dimorphic fungus Paracoccidioides brasiliensis. The glycoprotein gp43 is the main antigen target of P. brasiliensis and a 15-mer internal peptide (QTLIAIHTLAIRYAN), known as P10, defines a ...

journal_title：Frontiers in microbiology

authors： Mayorga O,Muñoz JE,Lincopan N,Teixeira AF,Ferreira LC,Travassos LR,Taborda CP

更新日期：2012-05-04 00:00:00

abstract：:The current picture of human salmonellosis shows Salmonella Typhimurium and S. 4,[5],12:i:- as the most common serovars in Italy. The aims of this study were to investigate the genetic relationship between these serovars, as well as to test the possibility of inferring sources of human salmonellosis due to S. Typhimur...

journal_title：Frontiers in microbiology

authors： Barco L,Barrucci F,Cortini E,Ramon E,Olsen JE,Luzzi I,Lettini AA,Ricci A

更新日期：2015-04-27 00:00:00

abstract：:Deinococcus radiodurans exhibits growth medium-dependent morphological variation in cell shape, but there is no evidence whether this phenomenon is observed in other members of the Deinococcaceae family. In this study, we isolated a red-pigmented, aerobic, Deinococcus indicus strain DR1 from Dadri wetland, India. This...

journal_title：Frontiers in microbiology

authors： Chauhan D,Srivastava PA,Ritzl B,Yennamalli RM,Cava F,Priyadarshini R

更新日期：2019-07-03 00:00:00

abstract：:We compared overexpression of the magnetotactic bacterial gene MagA with the modified mammalian ferritin genes HF + LF, in which both heavy and light subunits lack iron response elements. Whereas both expression systems have been proposed for use in non-invasive, magnetic resonance (MR) reporter gene expression, limit...

journal_title：Frontiers in microbiology

authors： Sengupta A,Quiaoit K,Thompson RT,Prato FS,Gelman N,Goldhawk DE

更新日期：2014-02-05 00:00:00

abstract：:To study the diversity and metabolic activity of microbial eukaryotes in the water column of the South China Sea, genomic DNA and RNA were co-extracted from samples collected down to bathyal depth at two sites. V9 regions of both SSU rRNA gene and its transcript (cDNA) were amplified and sequenced using high throughpu...

journal_title：Frontiers in microbiology

authors： Xu D,Li R,Hu C,Sun P,Jiao N,Warren A

更新日期：2017-06-14 00:00:00

abstract：:CapB2 is recognized as a tyrosine kinase and is likely a vital factor in extracellular polysaccharide synthesis in Staphylococcus aureus, but its pathogenicity function and regulatory mechanism remain obscure. Here, we demonstrate that CapB2 enhances bacterial virulence in a murine model. Mice infected with the wild t...

journal_title：Frontiers in microbiology

authors： Li D,Guo Y,Wang S,Lv J,Qi X,Chen Z,Han L,Zhang X,Wang L,Yu F

更新日期：2017-02-10 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 estuarine nitrogen cycle can be substantially altered due to anthropogenic activities resulting in increased amounts of inorganic nitrogen (mainly nitrate). In the past, denitrification was considered to be the main ecosystem process removing reactive nitrogen from the estuarine ecosystem. However, recent reports ...

journal_title：Frontiers in microbiology

authors： Decleyre H,Heylen K,Van Colen C,Willems A

更新日期：2015-10-14 00:00:00

abstract：:Most microbes can produce surface-associated or suspended aggregates called biofilms, which are encased within a biopolymer-rich matrix. The biofilm matrix provides structural integrity to the aggregates and shields the resident cells against environmental stressors, including antibiotic treatment. Microscopy permits ...

journal_title：Frontiers in microbiology

authors： Reichhardt C,Parsek MR

更新日期：2019-04-02 00:00:00

abstract：:Aerobic degradation of methylphosphonate (MPn) by marine bacterioplankton has been hypothesized to contribute significantly to the ocean's methane supersaturation, yet little is known about MPn utilization by marine microbes. To identify the microbial taxa and metabolic functions associated with MPn-driven methane pro...

journal_title：Frontiers in microbiology

authors： Martínez A,Ventouras LA,Wilson ST,Karl DM,Delong EF

更新日期：2013-11-26 00:00:00

abstract：:Microorganisms in glacier ice provide tens to hundreds of thousands of years archive for a changing climate and microbial responses to it. Analyzing ancient ice is impeded by technical issues, including limited ice, low biomass, and contamination. While many approaches have been evaluated and advanced to remove contam...

journal_title：Frontiers in microbiology

authors： Zhong ZP,Solonenko NE,Gazitúa MC,Kenny DV,Mosley-Thompson E,Rich VI,Van Etten JL,Thompson LG,Sullivan MB

更新日期：2018-05-25 00:00:00

abstract：:The biocontrol fungus Trichoderma longibrachiatum SMF2 secretes a large quantity of peptaibols that have been shown to have a range of biological activities and therefore great application values. However, the mechanism of the regulatory expression of peptaibols is still unclear. The putative methyltransferase LaeA/LA...

journal_title：Frontiers in microbiology

authors： Shi JC,Shi WL,Zhou YR,Chen XL,Zhang YZ,Zhang X,Zhang WX,Song XY

更新日期：2020-06-12 00:00:00

abstract：:Schistosomiasis japonica is one of the most prevalent parasitic diseases in China. The scarcity of effective diagnostic tools is a major factor that contributes to the high prevalence of schistosomiasis japonica. SjSP-13 is a promising serological diagnostic biomarker of the disease. However, it is unclear whether pol...

journal_title：Frontiers in microbiology

authors： Xu X,Cui X,Zhu L,Li Z,Zhang Y,Ma L,Pan W

更新日期：2018-07-25 00:00:00

abstract：:In this study, we explore the virulence of vesicular stomatitis New Jersey virus (VSNJV) in pigs and its potential relationship with the virus's ability to modulate innate responses. For this purpose, we developed a mutant of the highly virulent strain NJ0612NME6, containing a single amino acid substitution in the mat...

journal_title：Frontiers in microbiology

authors： Velazquez-Salinas L,Pauszek SJ,Holinka LG,Gladue DP,Rekant SI,Bishop EA,Stenfeldt C,Verdugo-Rodriguez A,Borca MV,Arzt J,Rodriguez LL

更新日期：2020-05-29 00:00:00

abstract：:The Gram negative bacterium Yersinia pestis can infect humans by multiple routes to cause plague. Three plague pandemics have occurred and Y. pestis has been linked to biowarfare in the past. The continued risk of plague as a bioweapon has prompted increased research to understand Y. pestis pathogenesis and develop ne...

journal_title：Frontiers in microbiology

authors： Lawrenz MB

更新日期：2010-11-04 00:00:00

abstract：:Liverwort Blasia pusilla L. recruits soil nitrogen-fixing cyanobacteria of genus Nostoc as symbiotic partners. In this work we compared Nostoc community composition inside the plants and in the soil around them from two distant locations in Northern Norway. STRR fingerprinting and 16S rDNA phylogeny reconstruction sho...

journal_title：Frontiers in microbiology

authors： Liaimer A,Jensen JB,Dittmann E

更新日期：2016-11-01 00:00:00