Screening of Mycobacterium avium subsp. paratuberculosis mutants for attenuation in a bovine monocyte-derived macrophage model.

abstract：:The emerging relapsing fever spirochete Borrelia (B.) miyamotoi is transmitted by ixodid ticks and causes the so-called hard tick-borne relapsing fever or B. miyamotoi disease (BMD). More recently, we identified a surface-exposed molecule, CbiA exhibiting complement binding and inhibitory capacity and rendering spiroc...

journal_title：Frontiers in cellular and infection microbiology

authors： Nguyen NTT,Röttgerding F,Devraj G,Lin YP,Koenigs A,Kraiczy P

更新日期：2018-02-02 00:00:00

abstract：:The natural history of genital Chlamydia trachomatis infections can vary widely; infections can spontaneously resolve but can also last from months to years, potentially progressing to cause significant pathology. The host and bacterial factors underlying this wide variation are not completely understood, but emphasiz...

journal_title：Frontiers in cellular and infection microbiology

authors： Aiyar A,Quayle AJ,Buckner LR,Sherchand SP,Chang TL,Zea AH,Martin DH,Belland RJ

更新日期：2014-06-03 00:00:00

abstract：:The cell envelope of pathogenic bacteria is a barrier against host environmental conditions and immunity molecules, as well as the site where many virulence factors are assembled. Extracytoplasmic stress responses (ESRs) have evolved to help maintain its integrity in conditions where it might be compromised. These ESR...

journal_title：Frontiers in cellular and infection microbiology

authors： Flores-Kim J,Darwin AJ

更新日期：2012-10-10 00:00:00

abstract：:Herpes simplex virus-1 (HSV-1) is a significant human pathogen. Upon infection, HSV-1 expresses its immediate early (IE) genes, and the IE transcription factor ICP4 (infectious cell protein-4) plays a pivotal role in initiating the downstream gene-expression cascade. Using live-cell time-lapse fluorescence microscopy,...

journal_title：Frontiers in cellular and infection microbiology

authors： Chaturvedi S,Engel R,Weinberger L

更新日期：2020-06-24 00:00:00

abstract：:The endosymbiotic origin of eukaryotes brought together two disparate genomes in the cell. Additionally, eukaryotic natural history has included other endosymbiotic events, phagotrophic consumption of organisms, and intimate interactions with viruses and endoparasites. These phenomena facilitated large-scale lateral g...

journal_title：Frontiers in cellular and infection microbiology

authors： Aravind L,Anantharaman V,Zhang D,de Souza RF,Iyer LM

更新日期：2012-06-29 00:00:00

abstract：:The major Mycobacterium tuberculosis virulence factor ESAT-6 exported by the ESX-1 secretion system has been described as a pro-apoptotic factor by several independent groups in recent years, sustaining a role for apoptosis in M. tuberculosis pathogenesis. This role has been supported by independent studies in which a...

journal_title：Frontiers in cellular and infection microbiology

authors： Aguiló N,Marinova D,Martín C,Pardo J

更新日期：2013-12-04 00:00:00

abstract：:Amoeba-associated microorganisms (AAMs) are frequently isolated from water networks. In this paper, we report the isolation and characterization of Protochlamydia massiliensis, an obligate intracellular Gram-negative bacterium belonging to the Parachlamydiaceae family in the Chlamydiales order, from a cooling water to...

journal_title：Frontiers in cellular and infection microbiology

authors： Benamar S,Bou Khalil JY,Blanc-Tailleur C,Bilen M,Barrassi L,La Scola B

更新日期：2017-08-31 00:00:00

abstract：:Ocular toxoplasmosis is one of the most common complications caused by the infection with the parasite Toxoplasma gondii. The risk of developing eye lesions and impaired vision is considered higher in Brazil than other countries. The clinical diagnosis is difficult and the use of sensitive and specific laboratorial me...

journal_title：Frontiers in cellular and infection microbiology

authors： Murata FHA,Previato M,Frederico FB,Barbosa AP,Nakashima F,de Faria GM Jr,Silveira Carvalho AP,Meira Strejevitch CDS,Pereira-Chioccola VL,Castiglioni L,de Mattos LC,Siqueira RC,Brandão de Mattos CC

更新日期：2020-02-07 00:00:00

abstract：:Different species inhabit different sensory worlds and thus have evolved diverse means of processing information, learning and memory. In the escalated arms race with host defense, each pathogenic bacterium not only has evolved its individual cellular sensing and behavior, but also collective sensing, interbacterial c...

journal_title：Frontiers in cellular and infection microbiology

authors： Steinert M

更新日期：2014-01-31 00:00:00

abstract：:Deposition of Burkholderia pseudomallei within either the lungs or nasal passages of the Balb/c murine model resulted in different infection kinetics. The infection resulting from the inhalation of B. pseudomallei within a 12 μm particle aerosol was prolonged compared to a 1 μm particle aerosol with a mean time-to-dea...

journal_title：Frontiers in cellular and infection microbiology

authors： Thomas RJ,Davies C,Nunez A,Hibbs S,Eastaugh L,Harding S,Jordan J,Barnes K,Oyston P,Eley S

更新日期：2012-07-23 00:00:00

abstract：:Cryptosporidium spp. and Enterocytozoon bieneusi are two important zoonotic pathogens that can infect humans and a broad range of animal hosts. However, few studies have been conducted to study infection of the two pathogens in domestic geese until now. The aims of the present study were to determine the prevalence of...

journal_title：Frontiers in cellular and infection microbiology

authors： Zhao W,Zhou HH,Ma TM,Cao J,Lu G,Shen YJ

更新日期：2019-12-04 00:00:00

abstract：:Platycodin D, extract from the root of Platycodon grandiflorum, is one of the most important monomers of the Qinbaiqingfei pellets (Qinbai) that has already been approved as the first Traditional Chinese Medicine for clinic use as an anti-M. pneumoniae agent. Qinbai constituents Scutellaria baicalensis and Platycodon ...

journal_title：Frontiers in cellular and infection microbiology

authors： Meng Y,Yang Y,Lu W,Wang Y,Qian F,Wang X,Zhang Z,Wang W

更新日期：2015-01-13 00:00:00

abstract：:Zoysia japonica, in Brazil, is commonly infected by Rhizoctonia solani (R. solani) in humid and cool weather conditions. Eight isolates of R. solani, previously identified as belonging to the AG2-2 LP anastomosis group, isolated from samples from large path symptoms, were collected from three counties in São Paulo sta...

journal_title：Frontiers in cellular and infection microbiology

authors： Picarelli MASC,Forgia M,Rivas EB,Nerva L,Chiapello M,Turina M,Colariccio A

更新日期：2019-07-12 00:00:00

abstract：:Mycoplasma bovis is an important cause of bovine respiratory disease worldwide. To understand its virulence mechanisms, we sequenced three attenuated M. bovis strains, P115, P150, and P180, which were passaged in vitro 115, 150, and 180 times, respectively, and exhibited progressively decreasing virulence. Comparative...

journal_title：Frontiers in cellular and infection microbiology

authors： Rasheed MA,Qi J,Zhu X,Chenfei H,Menghwar H,Khan FA,Zhao G,Zubair M,Hu C,Chen Y,Chen H,Guo A

更新日期：2017-05-11 00:00:00

abstract：:Relapsing fever still remains a neglected disease and little is known on its reservoir, tick vector and physiopathology in the vertebrate host. The disease occurs in temperate as well as tropical countries. Relapsing fever borreliae are spirochaetes, members of the Borreliaceae family which also contain Lyme disease s...

journal_title：Frontiers in cellular and infection microbiology

authors： Talagrand-Reboul E,Boyer PH,Bergström S,Vial L,Boulanger N

更新日期：2018-04-04 00:00:00

abstract：:While microbiome plays key roles in the etiology of multiple sclerosis (MS), its mechanism remains elusive. Here, we conducted a comprehensive metagenome-wide association study (MWAS) of the relapsing-remitting MS gut microbiome (ncase = 26, ncontrol = 77) in the Japanese population, by using whole-genome shotgun sequ...

journal_title：Frontiers in cellular and infection microbiology

authors： Kishikawa T,Ogawa K,Motooka D,Hosokawa A,Kinoshita M,Suzuki K,Yamamoto K,Masuda T,Matsumoto Y,Nii T,Maeda Y,Nakamura S,Inohara H,Mochizuki H,Okuno T,Okada Y

更新日期：2020-12-11 00:00:00

abstract：:Murid and cricetid rodents were previously believed to be the principal reservoir hosts of hantaviruses. Recently, however, multiple newfound hantaviruses have been discovered in shrews, moles, and bats, suggesting a complex evolutionary history. Little is known about the genetic diversity and geographic distribution ...

journal_title：Frontiers in cellular and infection microbiology

authors： Kikuchi F,Aoki K,Ohdachi SD,Tsuchiya K,Motokawa M,Jogahara T,Sơn NT,Bawm S,Lin KS,Thwe TL,Gamage CD,Ranorosoa MC,Omar H,Maryanto I,Suzuki H,Tanaka-Taya K,Morikawa S,Mizutani T,Suzuki M,Yanagihara R,Arai S

更新日期：2020-08-27 00:00:00

abstract：:The human-specific pathogen Salmonella enterica serovar Typhi causes typhoid, a major public health issue in developing countries. Several aspects of its pathogenesis are still poorly understood. S. Typhi possesses 14 fimbrial gene clusters including 12 chaperone-usher fimbriae (stg, sth, bcf, fim, saf, sef, sta, stb,...

journal_title：Frontiers in cellular and infection microbiology

authors： Dufresne K,Saulnier-Bellemare J,Daigle F

更新日期：2018-02-08 00:00:00

abstract：:Given the increasing prevalence of antibiotic resistance among bacterial strains and the side effects caused by synthetic drugs, it is increasingly important to investigate potential herbal alternatives. In the present study, antimicrobial, cell cytotoxicity, and cleaning tests were performed to evaluate the potential...

journal_title：Frontiers in cellular and infection microbiology

authors： Shi Y,Deng Z,Yang Y,Cui L,Chen T,Hu M,Xie L,Yang J

更新日期：2019-05-10 00:00:00

abstract：:During intestinal invasion, Entamoeba histolytica opens tight junctions (TJs) reflected by transepithelial electrical resistance (TEER) dropping. To explore the molecular mechanisms underlying this, we studied in vitro and in vivo the damage produced by the recombinant E. histolytica cysteine protease (rEhCP112) on TJ...

journal_title：Frontiers in cellular and infection microbiology

authors： Cuellar P,Hernández-Nava E,García-Rivera G,Chávez-Munguía B,Schnoor M,Betanzos A,Orozco E

更新日期：2017-08-16 00:00:00

abstract：:Sepsis is a life-threatening health condition caused by infectious pathogens of the respiratory tract, and accounts for 28-50% of annual deaths in the US alone. Current treatment regimen advocates the use of corticosteroids as adjunct treatment with antibiotics, for their broad inhibitory effect on the activity and pr...

journal_title：Frontiers in cellular and infection microbiology

authors： Ngo Ndjom CG,Kantor LV,Jones HP

更新日期：2017-06-22 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC) O157:H7 EspF is an important multifunctional protein that destroys the tight junctions of intestinal epithelial cells and promotes host cell apoptosis. However, its molecular mechanism remains elusive. We knocked out the espF sequence (747 bp, ΔespF), N-terminal sequence (219 ...

journal_title：Frontiers in cellular and infection microbiology

authors： Wang X,Du Y,Hua Y,Fu M,Niu C,Zhang B,Zhao W,Zhang Q,Wan C

更新日期：2017-09-21 00:00:00

abstract：:The concept of pathogenesis has evolved considerably over recent years, and the scenario "a microbe + virulence factors = disease" is probably far from reality in a number of cases. Actual pathogens have extremely broad biological diversity and are found in all major groups of microorganisms (viruses, bacteria, fungi,...

journal_title：Frontiers in cellular and infection microbiology

authors： Vayssier-Taussat M,Albina E,Citti C,Cosson JF,Jacques MA,Lebrun MH,Le Loir Y,Ogliastro M,Petit MA,Roumagnac P,Candresse T

更新日期：2014-03-05 00:00:00

abstract：:Differentiation between mitis group streptococci (MGS) bacteria in routine laboratory tests has become important for obtaining accurate epidemiological information on the characteristics of MGS and understanding their clinical significance. The most reliable method of MGS species identification is multilocus sequence ...

journal_title：Frontiers in cellular and infection microbiology

authors： Imai K,Nemoto R,Kodana M,Tarumoto N,Sakai J,Kawamura T,Ikebuchi K,Mitsutake K,Murakami T,Maesaki S,Fujiwara T,Hayakawa S,Hoshino T,Seki M,Maeda T

更新日期：2020-01-30 00:00:00

abstract：:The hemostatic system comprises platelet aggregation, coagulation and fibrinolysis and is a host defense mechanism that protects the integrity of the vascular system after tissue injury. During bacterial infections, the coagulation system cooperates with the inflammatory system to eliminate the invading pathogens. How...

journal_title：Frontiers in cellular and infection microbiology

authors： Loof TG,Deicke C,Medina E

更新日期：2014-09-11 00:00:00

abstract：:Ticks modulate their hosts' defense responses by secreting a biopharmacopiea of hundreds to thousands of proteins and bioactive chemicals into the feeding site (tick-host interface). These molecules and their functions evolved over millions of years as ticks adapted to blood-feeding, tick lineages diverged, and host-s...

journal_title：Frontiers in cellular and infection microbiology

authors： Mans BJ,Featherston J,de Castro MH,Pienaar R

更新日期：2017-09-25 00:00:00

abstract：:Brucella spp. cause undulant fever in humans and brucellosis in variety of other animals. Both innate and adaptive immunity have been shown to be important in controlling Brucella infection. Toll-like receptors (TLRs) represent a group of pattern recognition receptors (PRRs) that play critical roles in the host innate...

journal_title：Frontiers in cellular and infection microbiology

authors： Pei J,Ding X,Fan Y,Rice-Ficht A,Ficht TA

更新日期：2012-09-07 00:00:00

abstract：:Lipids are essential players in parasites pathogenesis. In particular, the highly phagocytic trophozoites of Entamoeba histolytica, the causative agent of amoebiasis, exhibit a dynamic membrane fusion and fission, in which lipids strongly participate; particularly during the overstated motility of the parasite to reac...

journal_title：Frontiers in cellular and infection microbiology

authors： Castellanos-Castro S,Bolaños J,Orozco E

更新日期：2020-03-10 00:00:00

abstract：:Background:Staphylococcus aureus biofilms contribute negatively to a number of chronic conditions, including chronic rhinosinusitis (CRS). With the inherent tolerance of biofilm-bound bacteria to antibiotics and the global problem of bacterial antibiotic resistance, the need to develop novel therapeutics is paramount....

journal_title：Frontiers in cellular and infection microbiology

authors： Drilling AJ,Ooi ML,Miljkovic D,James C,Speck P,Vreugde S,Clark J,Wormald PJ

更新日期：2017-02-24 00:00:00

abstract：:Cytokinesis, or the division of the cytoplasm, following the end of mitosis or meiosis, is accomplished in animal cells, fungi, and amoebae, by the constriction of an actomyosin contractile ring, comprising filamentous actin, myosin II, and associated proteins. However, despite this being the best-studied mode of cyto...

journal_title：Frontiers in cellular and infection microbiology

authors： Hammarton TC

更新日期：2019-11-21 00:00:00