Differential NtcA Responsiveness to 2-Oxoglutarate Underlies the Diversity of C/N Balance Regulation in Prochlorococcus.

abstract：:Fresh vegetables including baby greens, microgreens, and sprouts can host human pathogens without exhibiting any visible signs of spoilage. It is clear that the vast majority of foodborne disease outbreaks associated with vegetable produce are not simply a result of an oversight by a producer, as it was shown that zoo...

journal_title：Frontiers in microbiology

authors： Henriquez T,Lenzi A,Baldi A,Marvasi M

更新日期：2020-05-28 00:00:00

abstract：:A new wheat viral disease was found in China. Bullet-shaped viral particles within the nucleus of the infected wheat leave cells, which possessed 180-210 nm length and 35-40 nm width, were observed under transmission electron microscopy. A putative wheat-infecting rhabdovirus vectored by the leafhopper Psammotettix al...

journal_title：Frontiers in microbiology

authors： Liu Y,Du Z,Wang H,Zhang S,Cao M,Wang X

更新日期：2018-03-14 00:00:00

abstract：:LuxR solos are unexplored in Archaea, despite their vital role in the bacterial regulatory network. They assist bacteria in perceiving acyl homoserine lactones (AHLs) and/or non-AHLs signaling molecules for establishing intraspecies, interspecies, and interkingdom communication. In this study, we explored the potentia...

journal_title：Frontiers in microbiology

authors： Rajput A,Kumar M

更新日期：2017-05-03 00:00:00

abstract：:Listeria monocytogenes is a serious foodborne pathogen that can contaminate food during processing and can grow during food shelf-life. New types of safe and effective food contact materials embedding antimicrobial agents, like silver, can play an important role in the food industry. The present work aimed at evaluati...

journal_title：Frontiers in microbiology

authors： Belluco S,Losasso C,Patuzzi I,Rigo L,Conficoni D,Gallocchio F,Cibin V,Catellani P,Segato S,Ricci A

更新日期：2016-03-07 00:00:00

abstract：:Chagas disease (Cd) or American human trypanosomiasis is caused by Trypanosoma cruzi and affects ~7 million people, mostly in Latin America. The infective trypomastigote forms of the parasite can invade several human blood cell populations, including monocytes and dendritic cells (DC). Although these cells display a w...

journal_title：Frontiers in microbiology

authors： Lonien SCH,Malvezi AD,Suzukawa HT,Yamauchi LM,Yamada-Ogatta SF,Rizzo LV,Bordignon J,Pinge-Filho P

更新日期：2017-10-25 00:00:00

abstract：:Vibrio parahaemolyticus, the leading cause of seafood-associated gastroenteritis, harbors two separate T6SSs on chromosomes 1 and 2, i.e., T6SS1 (VP1386-1420) and T6SS2 (VPA1025-1046). T6SS1 contains at least 7 putative operons: VP1386-1387, VP1388-1390, VP1392-1391, VP1393-1406, VP1400-1406, VP1409-1407, and VP1410-1...

journal_title：Frontiers in microbiology

authors： Zhang Y,Gao H,Osei-Adjei G,Zhang Y,Yang W,Yang H,Yin Z,Huang X,Zhou D

更新日期：2017-10-16 00:00:00

abstract：:A novel Podoviridae lytic phage AJO2, specifically infecting Acinetobacter johnsonii, was isolated from bulking activated sludge. The one-step growth experiment showed that the latent period and burst size of AJO2 were estimated to be 30 min and 78.1 phages per infected cell, respectively. The viability test indicated...

journal_title：Frontiers in microbiology

authors： Fan N,Yang M,Jin R,Qi R

更新日期：2019-02-20 00:00:00

abstract：:Protein export in bacteria is facilitated by the canonical SecB chaperone, which binds to unfolded precursor proteins, maintains them in a translocation competent state and specifically cooperates with the translocase motor SecA to ensure their proper targeting to the Sec translocon at the cytoplasmic membrane. Beside...

journal_title：Frontiers in microbiology

authors： Sala A,Bordes P,Genevaux P

更新日期：2014-12-05 00:00:00

abstract：:Biomineralized ferric oxide microbial mats are ubiquitous features on Earth, are common in hot springs of Yellowstone National Park (YNP, WY, USA), and form due to direct interaction between microbial and physicochemical processes. The overall goal of this study was to determine the contribution of different community...

journal_title：Frontiers in microbiology

authors： Beam JP,Bernstein HC,Jay ZJ,Kozubal MA,Jennings Rd,Tringe SG,Inskeep WP

更新日期：2016-02-15 00:00:00

abstract：:The crosstalk between the gut microbiota and immune state of the host is an essential focus in academia and clinics. To explore the dynamic role of the microbiota in response to immune deficiency, we comprehensively assessed the microbiome of 90 mouse fecal samples, across three time points including two immunodeficie...

journal_title：Frontiers in microbiology

authors： Zheng S,Zhao T,Yuan S,Yang L,Ding J,Cui L,Xu M

更新日期：2019-11-01 00:00:00

abstract：:Aspergillus exists commonly in many crops and any process of crop growth, harvest, storage, and processing can be polluted by this fungus. Once it forms a biofilm, Aspergillus can produce many toxins, such as aflatoxin B1 (AFB1), ochratoxin, zearalenone, fumonisin, and patulin. Among these toxins, AFB1 possesses the h...

journal_title：Frontiers in microbiology

authors： Wang Q,Yang Q,Wu W

更新日期：2020-03-27 00:00:00

abstract：:The standardization of collection and processing methods for rumen samples is crucial to reduce the level of errors that may affect the analysis and interpretation of the data. The aim of this study was to compare two processing methods and their impacts on the microbial community composition analysis, from material t...

journal_title：Frontiers in microbiology

authors： Martinez-Fernandez G,Denman SE,McSweeney CS

更新日期：2019-04-30 00:00:00

abstract：:Experimental manipulation of the intestinal microbiota influences health of the host and is a common application for synbiotics. Here Clostridium butyricum (C. butyricum, C.B) combined with corn bran (C.B + Bran) was taken as the synbiotics application in a waned pig model to investigate its regulation of intestinal h...

journal_title：Frontiers in microbiology

authors： Zhang J,Sun J,Chen X,Nie C,Zhao J,Guan W,Lei L,He T,Chen Y,Johnston LJ,Zhao J,Ma X

更新日期：2018-12-18 00:00:00

abstract：:Lactobacillus (L. casei) Zhang is a koumiss-originated probiotic strain, which was used as a model in a long-term antibiotics-driven evolution experiment to reveal bacterial evolutionary dynamics; and we isolated gentamycin-resistant L. casei Zhang descendents. To decipher the gentamycin resistance mechanism, here we ...

journal_title：Frontiers in microbiology

authors： Zhang W,Guo H,Cao C,Li L,Kwok LY,Zhang H,Sun Z

更新日期：2017-11-23 00:00:00

abstract：:HIV reservoirs persist in infected individuals despite combination antiretroviral therapy and can be identified in secondary lymphoid tissues, in intestinal tissues, in the central nervous system as well as in blood. Clinical trials have begun to explore effects of small molecule interventions to perturb the latent vi...

journal_title：Frontiers in microbiology

authors： Denton PW,Søgaard OS,Tolstrup M

更新日期：2019-08-21 00:00:00

abstract：:Chitosan is a natural biopolymer from crab shells that is known for its biocompatibility, biodegradability, and bioactivity. In human medicine, chitosan is used as a stabilizer for active ingredients in tablets, and is popular in slimming diets. Due to its low toxicity, it was the first basic substance approved by the...

journal_title：Frontiers in microbiology

authors： Romanazzi G,Feliziani E,Sivakumar D

更新日期：2018-12-04 00:00:00

abstract：:The thermophilic archaeon Sulfolobus acidocaldarius can use different carbon sources for growth, including the pentoses D-xylose and L-arabinose. In this study, we identified the activator XylR (saci_2116) responsible for the transcriptional regulation of the pentose transporter and pentose metabolizing genes in S. ac...

journal_title：Frontiers in microbiology

authors： van der Kolk N,Wagner A,Wagner M,Waßmer B,Siebers B,Albers SV

更新日期：2020-05-26 00:00:00

abstract：:Bacteriocins are proteinaceous antibacterial compounds, produced by diverse bacteria, which have been successfully used as: (i) food biopreservative; (ii) anti-biofilm agents; and (iii) additives or alternatives to the currently existing antibiotics, to minimize the risk of emergence of resistant strains. However, the...

journal_title：Frontiers in microbiology

authors： Fahim HA,Khairalla AS,El-Gendy AO

更新日期：2016-09-16 00:00:00

abstract：:Certain intestinal bifidobacteria have the ability to synthesize folates. In vitro experiments revealed a high production, cellular accumulation, and release of reduced folate vitamers like 5-methyltetrahydrofolate and tetrahydrofolate in folate-free medium (FFM). However, it is still unclear to which extent synthesiz...

journal_title：Frontiers in microbiology

authors： Kopp M,Dürr K,Steigleder M,Clavel T,Rychlik M

更新日期：2017-03-21 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：:This study was conducted to compare the microbiome and metabolome differences in the colon lumen from two pig breeds with different genetic backgrounds. Fourteen weaned piglets at 30 days of age, including seven Landrace piglets (a lean-type pig breed with a fast growth rate) and seven Meihua piglets (a fatty-type Chi...

journal_title：Frontiers in microbiology

authors： Yan S,Zhu C,Yu T,Huang W,Huang J,Kong Q,Shi J,Chen Z,Liu Q,Wang S,Jiang Z,Chen Z

更新日期：2017-09-21 00:00:00

abstract：:We investigated the interactions of air and snow over one entire winter accumulation period as well as the importance of chemical markers in a pristine free-tropospheric environment to explain variation in a microbiological dataset. To overcome the limitations of short term bioaerosol sampling, we sampled the atmosphe...

journal_title：Frontiers in microbiology

authors： Els N,Greilinger M,Reisecker M,Tignat-Perrier R,Baumann-Stanzer K,Kasper-Giebl A,Sattler B,Larose C

更新日期：2020-05-20 00:00:00

abstract：:Lactobacillus species, which dominate vaginal microbiota of healthy reproductive-age women, lower the risks of sexually transmitted infections, including the risk of human immunodeficiency virus (HIV) acquisition. The exact mechanisms of this protection remain to be understood. Here, we investigated these mechanisms i...

journal_title：Frontiers in microbiology

authors： Ñahui Palomino RA,Zicari S,Vanpouille C,Vitali B,Margolis L

更新日期：2017-05-19 00:00:00

abstract：:We report the isolation, characterization, and development of a robust genetic system for a halophilic, Fe(II)-oxidizing bacterium isolated from a vertical borehole originating 714 m below the surface located in the Soudan Iron Mine in northern Minnesota, USA. Sequence analysis of the 16S rRNA gene places the isolate ...

journal_title：Frontiers in microbiology

authors： Bonis BM,Gralnick JA

更新日期：2015-07-16 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV), also called human herpesvirus 8, belongs to the gamma herpesviruses and is the etiological agent of Kaposi's sarcoma, primary effusion lymphoma, and some types of multicentric Castleman's disease. In vivo, KSHV mainly infects B cells and endothelial cells. The interactio...

journal_title：Frontiers in microbiology

authors： Liang D,Lin X,Lan K

更新日期：2012-01-11 00:00:00

abstract：:In our previous study we demonstrated that proteinase PrtP is able to impair bacteriocin LcnB activity, despite being produced by the same organism and encoded by the same plasmid. However, precise mechanism of this action, i.e., the exact cleavage site within LcnB bacteriocin, as well as its effect on antimicrobial a...

journal_title：Frontiers in microbiology

authors： Vukotic G,Polovic N,Mirkovic N,Jovcic B,Stanisavljevic N,Fira D,Kojic M

更新日期：2019-04-24 00:00:00

abstract：:Chagas disease is one of the prevalent neglected tropical diseases, affecting at least 6-7 million individuals in Latin America. It is caused by the protozoan parasite Trypanosoma cruzi, which is transmitted to vertebrate hosts by blood-sucking insects. After infection, the parasite invades and multiplies in the myoca...

journal_title：Frontiers in microbiology

authors： Watanabe Costa R,da Silveira JF,Bahia D

更新日期：2016-03-31 00:00:00

abstract：:Heat resistance of microorganisms can be affected by different influencing factors. Although, the effect of heating rates has been scarcely explored by the scientific community, recent researches have unraveled its important effect on the thermal resistance of different species of vegetative bacteria. Typically heatin...

journal_title：Frontiers in microbiology

authors： Huertas JP,Aznar A,Esnoz A,Fernández PS,Iguaz A,Periago PM,Palop A

更新日期：2016-08-11 00:00:00

abstract：:We studied the resident (16S rDNA) and the active (16S rRNA) members of soil archaeal and bacterial communities during rice plant development by sampling three growth stages (vegetative, reproductive and maturity) under field conditions. Additionally, the microbial community was investigated in two non-flooded fields ...

journal_title：Frontiers in microbiology

authors： Breidenbach B,Conrad R

更新日期：2015-01-08 00:00:00

abstract：:Shigella spp., the etiological agent of shigellosis or "bacillary dysentery," are responsible for considerable morbidity and mortality in excess of a million deaths globally per year. Although PCR-based techniques (such as PCR-based dipstick biosensors) have been used for the molecular diagnosis of infectious disease,...

journal_title：Frontiers in microbiology

authors： Wang Y,Wang Y,Xu J,Ye C

更新日期：2016-11-18 00:00:00