Weak Organic Acids Decrease Borrelia burgdorferi Cytoplasmic pH, Eliciting an Acid Stress Response and Impacting RpoN- and RpoS-Dependent Gene Expression.

abstract：:Rickettsiae are obligate intracellular parasitic bacteria that cause febrile exanthematous illnesses such as Rocky Mountain spotted fever, Mediterranean spotted fever, epidemic, and murine typhus, etc. Although the vector ranges of each Rickettsia species are rather restricted; i.e., ticks belonging to Arachnida and l...

journal_title：Frontiers in microbiology

authors： Uchiyama T

更新日期：2012-06-25 00:00:00

abstract：:Microbial community composition and stability affect pollutant removal for biological/granular activated carbon (BAC/GAC) processes. Here, we pre-loaded the organic carbon substrates sucrose, lactose, and Lysogeny Broth (LB) medium onto new GAC prior to use and then tested whether this substrate pre-loading promoted d...

journal_title：Frontiers in microbiology

authors： Qin W,Hammes F

更新日期：2021-01-12 00:00:00

abstract：:Haemophilus parasuis is known as a commensal organism discovered in the upper respiratory tract of swine where the pathogenic bacteria survive in various adverse environmental stress. QseC, a histidine protein kinase of the two-component regulatory systems CheY/QseC, is involved in the environmental adaptation in bact...

journal_title：Frontiers in microbiology

authors： He L,Dai K,Wen X,Ding L,Cao S,Huang X,Wu R,Zhao Q,Huang Y,Yan Q,Ma X,Han X,Wen Y

更新日期：2018-02-13 00:00:00

abstract：:Background: Hantaviruses are zoonotic agents that cause hemorrhagic fevers and are thought to be transmitted to humans by exposure to aerosolized excreta of infected rodents. Puumala virus (PUUV) is the predominant endemic hantavirus in Europe. A large proportion of PUUV-infected patients suffer from gastrointestinal ...

journal_title：Frontiers in microbiology

authors： Witkowski PT,Perley CC,Brocato RL,Hooper JW,Jürgensen C,Schulzke JD,Krüger DH,Bücker R

更新日期：2017-09-08 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：:Application of probiotics in the food industry has been hampered by their sensitivity to challenging conditions that reduce their vitality in food matrices. A lot of attempts have been made to promote the growth of these probiotics in the aspect of nutrition demands. Among the other adverse conditions, oxygen stress c...

journal_title：Frontiers in microbiology

authors： Yan M,Wang BH,Fu X,Gui M,Wang G,Zhao L,Li R,You C,Liu Z

更新日期：2020-07-07 00:00:00

abstract：:Rapidly changing concentrations of substrates frequently occur during large-scale microbial cultivations. These changing conditions, caused by large mixing times, result in a heterogeneous population distribution. Here, we present a powerful and efficient modeling approach to predict the influence of varying substrate...

journal_title：Frontiers in microbiology

authors： Nieß A,Löffler M,Simen JD,Takors R

更新日期：2017-06-28 00:00:00

abstract：:Soil dwelling Streptomyces species are faced with large variations in carbon or nitrogen sources, phosphate, oxygen, iron, sulfur, and other nutrients. These drastic changes in key nutrients result in an unbalanced metabolism that have undesirable consequences for growth, cell differentiation, reproduction, and second...

journal_title：Frontiers in microbiology

authors： Martín JF,Liras P

更新日期：2020-01-22 00:00:00

abstract：:Phylogenetically deeply rooted methanogens belonging to the genus of Methanocaldococcus living in deep-sea hydrothermal vents derive energy exclusively from hydrogenotrophic methanogenesis, one of the oldest respiratory metabolisms on Earth. These hyperthermophilic, autotrophic archaea synthesize their biomolecules fr...

journal_title：Frontiers in microbiology

authors： Susanti D,Frazier MC,Mukhopadhyay B

更新日期：2019-07-03 00:00:00

abstract：:Xylenes are considered one of the most common hazardous sources of environmental contamination. The biodegradation of these compounds has been often reported, rarer the ability to oxidize the ortho-isomer. Among few o-xylene-degrading bacteria, Rhodococcus opacus R7 is well known for its capability to degrade diverse ...

journal_title：Frontiers in microbiology

authors： Zampolli J,Di Canito A,Manconi A,Milanesi L,Di Gennaro P,Orro A

更新日期：2020-08-12 00:00:00

abstract：:Antimicrobials are the most commonly prescribed drugs in the swine industry. While antimicrobials are an effective treatment for serious bacterial infections, their use has been associated with major adverse effects on health. It has been shown that antimicrobials have substantial direct and indirect impacts on the sw...

journal_title：Frontiers in microbiology

authors： Zeineldin M,Aldridge B,Lowe J

更新日期：2019-05-15 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：:Background and Aim: The circulating recombinant form 02_AG (CRF02_AG) is the predominant clade among the human immunodeficiency virus type-1 (HIV-1) non-Bs with a prevalence of 5.97% (95% Confidence Interval-CI: 5.41-6.57%) across Spain. Our aim was to estimate the levels of regional clustering for CRF02_AG and the sp...

journal_title：Frontiers in microbiology

authors： Kostaki EG,Flampouris A,Karamitros T,Chueca N,Alvarez M,Casas P,Alejos B,Hatzakis A,Garcia F,Paraskevis D,CoRIS.

更新日期：2019-03-11 00:00:00

abstract：:Traditionally, chemical agents such as formalin (FA) and β-propiolactone (BPL) have long been used for the preparation of inactivated vaccines or toxoids. It has been shown that FA extensively modifies vaccine antigens and thus affects immunogenicity profiles, sometimes compromising the protective efficacy of the vacc...

journal_title：Frontiers in microbiology

authors： Lee YH,Jang YH,Byun YH,Cheong Y,Kim P,Lee YJ,Lee YJ,Sung JM,Son A,Lee HM,Lee J,Yang SW,Song JM,Seong BL

更新日期：2017-12-12 00:00:00

abstract：:A type of photoheterotrophic bacteria contain a transmembrane light-driven proton pump called proteorhodopsins (PRs). Due to the prevalence of these organisms in the upper water column of the World's Ocean, and their potential for light-driven ATP generation, they have been suggested to significantly influence energy ...

journal_title：Frontiers in microbiology

authors： Courties A,Riedel T,Rapaport A,Lebaron P,Suzuki MT

更新日期：2015-07-10 00:00:00

abstract：:The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a new coronavirus that was recently discovered in 2019. While the world is working hard to overcome and control the coronavirus disease 2019 (COVID-19) pandemic, it is also crucial to be prepared for the great impacts of this outbreak on the developme...

journal_title：Frontiers in microbiology

authors： Rezasoltani S,Yadegar A,Hatami B,Asadzadeh Aghdaei H,Zali MR

更新日期：2020-12-15 00:00:00

abstract：:The emergence and spread of carbapenemase in Gram-negative pathogens poses an enormous threat to global public health. New Delhi metallo-β-lactamase-1 (NDM-1) inactivates nearly every class of β-lactam antibiotics, including carbapenem; however, there is no clinically useful NDM-1 inhibitor. Embelin, an important ingr...

journal_title：Frontiers in microbiology

authors： Ning NZ,Liu X,Chen F,Zhou P,Hu L,Huang J,Li Z,Huang J,Li T,Wang H

更新日期：2018-01-25 00:00:00

abstract：:Since the 2006 European ban on the use of antibiotics as growth promoters in animal feed, numerous studies have been published describing alternative strategies to prevent diseases in animals. A particular focus has been on prevention of necrotic enteritis in poultry caused by Clostridium perfringens by the use of mic...

journal_title：Frontiers in microbiology

authors： Caly DL,D'Inca R,Auclair E,Drider D

更新日期：2015-12-01 00:00:00

abstract：:Late blight, caused by the oomycete Phytophthora infestans, is the most devastating disease of potato. In organic farming, late blight is controlled by repeated applications of copper-based products, which negatively impact the environment. To find alternative solutions for late blight management, we have previously i...

journal_title：Frontiers in microbiology

authors： Guyer A,De Vrieze M,Bönisch D,Gloor R,Musa T,Bodenhausen N,Bailly A,Weisskopf L

更新日期：2015-11-27 00:00:00

abstract：:Most antibiotics are produced by soil microbes and typically interfere with macromolecular synthesis processes as their antibacterial mechanism of action. These natural products are often large and suffer from poor chemical tractability. Here, we discuss discovery, mechanism of action, and the therapeutic potentials o...

journal_title：Frontiers in microbiology

authors： Negatu DA,Gengenbacher M,Dartois V,Dick T

更新日期：2020-10-27 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：: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：:[This corrects the article DOI: 10.3389/fmicb.2020.01824.]. ...

journal_title：Frontiers in microbiology

authors： Zhang Z,Li Y,Luo L,Hao J,Li J

更新日期：2020-09-18 00:00:00

abstract：:In recent years, cases of botulism in cattle and other farm animals and also in farmers increased dramatically. It was proposed, that these cases could be affiliated with the spreading of compost or other organic manures contaminated with Clostridium botulinum spores on farm land. Thus, soils and fodder plants and fin...

journal_title：Frontiers in microbiology

authors： Zeiller M,Rothballer M,Iwobi AN,Böhnel H,Gessler F,Hartmann A,Schmid M

更新日期：2015-10-31 00:00:00

abstract：:Janthinobacterium and Duganella are well-known for their antifungal effects. Surprisingly, almost nothing is known on molecular aspects involved in the close bacterium-fungus interaction. To better understand this interaction, we established the genomes of 11 Janthinobacterium and Duganella isolates in combination wit...

journal_title：Frontiers in microbiology

authors： Haack FS,Poehlein A,Kröger C,Voigt CA,Piepenbring M,Bode HB,Daniel R,Schäfer W,Streit WR

更新日期：2016-10-26 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

abstract：:Although signal exchange between legumes and their rhizobia is among the best-known examples of this biological process, most of the more characterized data comes from just a few legume species and environmental stresses. Although a relative wealth of information is available for some model legumes and some of the maj...

journal_title：Frontiers in microbiology

authors： Lira MA Jr,Nascimento LR,Fracetto GG

更新日期：2015-09-08 00:00:00

abstract：:The efficiency of horizontal gene transfer, which contributes to acquisition and spread of antibiotic resistance and pathogenicity traits, depends on nucleotide sequence and different mismatch-repair (MMR) proteins participate in this process. To study how MutL and MutS MMR proteins regulate recombination across speci...

journal_title：Frontiers in microbiology

authors： Carrasco B,Serrano E,Martín-González A,Moreno-Herrero F,Alonso JC

更新日期：2019-02-13 00:00:00

abstract：:Styrene is one of the most produced and processed chemicals worldwide and is released into the environment during widespread processing. But, it is also produced from plants and microorganisms. The natural occurrence of styrene led to several microbiological strategies to form and also to degrade styrene. One pathway ...

journal_title：Frontiers in microbiology

authors： Oelschlägel M,Zimmerling J,Tischler D

更新日期：2018-03-22 00:00:00

abstract：:Major foodborne bacterial pathogens, such as Campylobacter jejuni, have devised complex strategies to establish and foster intestinal infections. For more than two decades, researchers have used immortalized cell lines derived from human intestinal tissue to dissect C. jejuni-host cell interactions. Known from these s...

journal_title：Frontiers in microbiology

authors： Negretti NM,Clair G,Talukdar PK,Gourley CR,Huynh S,Adkins JN,Parker CT,Corneau CM,Konkel ME

更新日期：2019-04-11 00:00:00