Challenges in the culture-independent analysis of oral and respiratory samples from intubated patients.

abstract：:Half of invasive fungal infections lead to death. Amongst pathogenic fungi, the most widespread species belong to the Candida genus and vary in their susceptibility to antifungal drugs. The emergence of antifungal resistance has become a major clinical problem. Therefore, the definition of susceptibility patterns is c...

journal_title：Frontiers in cellular and infection microbiology

authors： Delavy M,Dos Santos AR,Heiman CM,Coste AT

更新日期：2019-02-07 00:00:00

abstract：:Streptococcus dentisani 7746, isolated from dental plaque of caries-free individuals, has been shown to have several beneficial effects in vitro which could contribute to promote oral health, including an antimicrobial activity against oral pathogens by the production of bacteriocins and a pH buffering capacity throug...

journal_title：Frontiers in cellular and infection microbiology

authors： Ferrer MD,López-López A,Nicolescu T,Perez-Vilaplana S,Boix-Amorós A,Dzidic M,Garcia S,Artacho A,Llena C,Mira A

更新日期：2020-08-31 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：:Cross talk occurs between the human gut and the lung through a gut-lung axis involving the gut microbiota. However, the signatures of the human gut microbiota after active Mycobacterium tuberculosis infection have not been fully understood. Here, we investigated changes in the gut microbiota in tuberculosis (TB) patie...

journal_title：Frontiers in cellular and infection microbiology

authors： Hu Y,Feng Y,Wu J,Liu F,Zhang Z,Hao Y,Liang S,Li B,Li J,Lv N,Xu Y,Zhu B,Sun Z

更新日期：2019-04-03 00:00:00

abstract：:Toxoplasma gondii has been found to infect almost all warm-blooded animals, including humans. In this study, a total of 3,275 human serum samples were collected from hospitals in five provinces of China. About 5.13% (168/3,275) (95% CI, 4.42-5.94) of the serum samples tested positive for T. gondii IgG antibody by a mo...

journal_title：Frontiers in cellular and infection microbiology

authors： Xin S,Su R,Jiang N,Zhang L,Yang Y

更新日期：2020-06-23 00:00:00

abstract：Background:Disseminated histoplasmosis remains a major killer of immunocompromised patients in Latin America. Cytological and histological methods are usually present in most hospitals and may represent a precious diagnostic method. We report 15 years of experience of the department of pathology of the Centre Hospitali...

journal_title：Frontiers in cellular and infection microbiology

authors： Drak Alsibai K,Couppié P,Blanchet D,Adenis A,Epelboin L,Blaizot R,Louvel D,Djossou F,Demar M,Nacher M

更新日期：2020-10-29 00:00:00

abstract：:Shigella is the major cause of bacillary dysentery world-wide. It is divided into four species, named S. flexneri, S. sonnei, S. dysenteriae, and S. boydii, which are distinct genomically and in their ability to cause disease. Shigellosis, the clinical presentation of Shigella infection, is characterized by watery dia...

journal_title：Frontiers in cellular and infection microbiology

authors： Mattock E,Blocker AJ

更新日期：2017-03-24 00:00:00

abstract：:Sepsis is a severe syndrome that arises when the host response to an insult is exacerbated, leading to organ failure and frequently to death. How a chronic infection that causes a prolonged Th1 expansion affects the course of sepsis is unknown. In this study, we showed that mice chronically infected with Toxoplasma go...

journal_title：Frontiers in cellular and infection microbiology

authors： Souza MC,Fonseca DM,Kanashiro A,Benevides L,Medina TS,Dias MS,Andrade WA,Bonfá G,Silva MAB,Gozzi A,Borges MC,Gazzinelli RT,Alves-Filho JC,Cunha FQ,Silva JS

更新日期：2017-04-07 00:00:00

abstract：:Burkholderia mallei (Bm) is a highly infectious intracellular pathogen classified as a category B biological agent by the Centers for Disease Control and Prevention. After respiratory exposure, Bm establishes itself within host macrophages before spreading into major organ systems, which can lead to chronic infection,...

journal_title：Frontiers in cellular and infection microbiology

authors： Bozue JA,Chaudhury S,Amemiya K,Chua J,Cote CK,Toothman RG,Dankmeyer JL,Klimko CP,Wilhelmsen CL,Raymond JW,Zavaljevski N,Reifman J,Wallqvist A

更新日期：2016-02-26 00:00:00

abstract：:More than a decade ago a short tandem repeat-based typing method was developed for the fungus Aspergillus fumigatus. This STRAf assay is based on the analysis of nine short tandem repeat markers. Interpretation of this STRAf assay is complicated when there are only one or two differences in tandem repeat markers betwe...

journal_title：Frontiers in cellular and infection microbiology

authors： de Groot T,Meis JF

更新日期：2019-03-29 00:00:00

abstract：:Under unfavorable conditions such as host immune responses and environmental stresses, human pathogen Mycobacterium tuberculosis may acquire the dormancy phenotype characterized by "non-culturability" and a substantial decrease of metabolic activity and global transcription rates. Here, we found that the transition of...

journal_title：Frontiers in cellular and infection microbiology

authors： Salina EG,Grigorov AS,Bychenko OS,Skvortsova YV,Mamedov IZ,Azhikina TL,Kaprelyants AS

更新日期：2019-07-30 00:00:00

abstract：:Additional research on soft ticks in the family Argasidae is needed to bridge the knowledge gap relative to hard ticks of the family Ixodidae; especially, the molecular mechanisms of Ornithodoros biology. Ornithodoros species are vectors of human and animal pathogens that include tick-borne relapsing fever spirochetes...

journal_title：Frontiers in cellular and infection microbiology

authors： Armstrong BA,Kneubehl AR,Mitchell RD 3rd,Krishnavajhala A,Teel PD,Pérez de León AA,Lopez JE

更新日期：2020-05-05 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：:Whole genome sequencing (WGS) methods provide new possibilities in the field of molecular epidemiology. This is particularly true for monomorphic organisms where the discriminatory power of traditional methods (e.g., restriction enzyme length polymorphism typing, multi locus sequence typing etc.) is inadequate to eluc...

journal_title：Frontiers in cellular and infection microbiology

authors： Wittwer M,Altpeter E,Pilo P,Gygli SM,Beuret C,Foucault F,Ackermann-Gäumann R,Karrer U,Jacob D,Grunow R,Schürch N

更新日期：2018-03-22 00:00:00

abstract：:Due to the importance of a rapid determination of patients infected by multidrug resistant bacteria, we evaluated two rapid diagnostic tests for the detection of third-generation cephalosporins (3GC)-resistant Enterobacterales directly from positive blood cultures within 1 h: BL-REDTM (electrochemical method) and β-LA...

journal_title：Frontiers in cellular and infection microbiology

authors： Durand C,Boudet A,Lavigne JP,Pantel A

更新日期：2020-09-11 00:00:00

abstract：:The intracellular pathogen Burkholderia pseudomallei, the etiological agent of melioidosis in humans and various animals, is capable of survival and movement within the cytoplasm of host cells by a process known as actin-based motility. The bacterial factor BimA is required for actin-based motility through its direct ...

journal_title：Frontiers in cellular and infection microbiology

authors： Srinon V,Chaiwattanarungruengpaisan S,Korbsrisate S,Stevens JM

更新日期：2019-03-22 00:00:00

abstract：:In the last decade it has become clear that, similarly to nucleated cells, enucleated red blood cells (RBCs) are susceptible to programmed apoptotic cell death. Erythrocytic apoptosis seems to play a role in physiological clearance of aged RBCs, but it may also be implicated in anemia of different etiological sources ...

journal_title：Frontiers in cellular and infection microbiology

authors： Totino PR,Daniel-Ribeiro CT,Ferreira-da-Cruz MF

更新日期：2016-12-09 00:00:00

abstract：:Mycobacterium bovis (M. bovis) is the pathogen of animals and humans that can replicate in the phagosomes of myeloid cells. Cytosolic detection of bacterial products plays a crucial role in initiating the innate immune response, including autophagy activation and interferon-β (IFN-β) release. Although IFN-β release an...

journal_title：Frontiers in cellular and infection microbiology

authors： Chunfa L,Xin S,Qiang L,Sreevatsan S,Yang L,Zhao D,Zhou X

更新日期：2017-05-05 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 mechanism by which microRNAs (miRNAs) modulate innate immunity and autophagy has not been fully elucidated in Mycobacterium bovis (M. bovis) infections. In this study, we identified that miR-199a inhibited key innate immune responses and autophagy in murine macrophages infected with M. bovis. Using ex vivo and in ...

journal_title：Frontiers in cellular and infection microbiology

authors： Wang J,Hussain T,Yue R,Liao Y,Li Q,Yao J,Song Y,Sun X,Wang N,Xu L,Sreevatsan S,Zhao D,Zhou X

更新日期：2018-07-10 00:00:00

abstract：:The type VI secretion system (T6SS) secretes numerous toxins for bacteria-bacteria competition. TplE is a newly identified trans-kingdom toxin secreted by the T6SS in Pseudomonas aeruginosa, while TplEi neutralizes the toxic effect of TplE to protect bacteria autointoxication. Blocking the interaction of TplE-TplEi co...

journal_title：Frontiers in cellular and infection microbiology

authors： Gao X,Mu Z,Qin B,Sun Y,Cui S

更新日期：2017-09-20 00:00:00

abstract：:The intracellular bacterial pathogen Francisella tularensis causes serious infectious disease in humans and animals. Moreover, F. tularensis, a highly infectious pathogen, poses a major concern for the public as a bacterium classified under Category A of bioterrorism agents. Unfortunately, research has so far failed t...

journal_title：Frontiers in cellular and infection microbiology

authors： Krocova Z,Macela A,Kubelkova K

更新日期：2017-10-16 00:00:00

abstract：:The protozoan Trypanosoma cruzi is the etiological agent of Chagas disease. In immunosuppressed individuals, as it occurs in the coinfection with human immunodeficiency virus (HIV), the central nervous system may be affected. In this regard, reactivation of Chagas disease is severe and often lethal, and it accounts fo...

journal_title：Frontiers in cellular and infection microbiology

authors： Urquiza JM,Burgos JM,Ojeda DS,Pascuale CA,Leguizamón MS,Quarleri JF

更新日期：2017-08-02 00:00:00

abstract：:Francisella tularensis can bypass and suppress host immune responses, even to the point of manipulating immune cell phenotypes and intercellular inflammatory networks. Strengthening these responses such that immune cells more readily identify and destroy the bacteria is likely to become a viable (and perhaps necessary...

journal_title：Frontiers in cellular and infection microbiology

authors： Gillette DD,Tridandapani S,Butchar JP

更新日期：2014-02-21 00:00:00

abstract：:With major advances in experimental techniques to track antigen-specific immune responses many basic questions on the kinetics of virus-specific immunity in humans remain unanswered. To gain insights into kinetics of T and B cell responses in human volunteers we combined mathematical models and experimental data from ...

journal_title：Frontiers in cellular and infection microbiology

authors： Le D,Miller JD,Ganusov VV

更新日期：2015-01-09 00:00:00

abstract：:Macrophages being the connecting link between innate and adaptive immune system plays a crucial role in microbial antigen presentation and orchestrates the subsequent clearance of microorganisms. Microbial invasion of macrophages trigger a plethora of signaling cascades, which interact among them to generate a dynamic...

journal_title：Frontiers in cellular and infection microbiology

authors： Saha S,Das P,BoseDasgupta S

更新日期：2020-10-20 00:00:00

abstract：:Shigella spp. are highly adapted human pathogens that cause bacillary dysentery (shigellosis). Via the type III secretion system (T3SS), Shigella deliver a subset of virulence proteins (effectors) that are responsible for pathogenesis, with functions including pyroptosis, invasion of the epithelial cells, intracellula...

journal_title：Frontiers in cellular and infection microbiology

authors： Ashida H,Sasakawa C

更新日期：2016-01-06 00:00:00

abstract：:To gain insights into differences in the virulence among T. gondii strains at the post-translational level, we conducted a quantitative analysis of the phosphoproteome profile of T. gondii strains belonging to three different genotypes. Phosphopeptides from three strains, type I (RH strain), type II (PRU strain) and T...

journal_title：Frontiers in cellular and infection microbiology

authors： Wang ZX,Zhou CX,Calderón-Mantilla G,Petsalaki E,He JJ,Song HY,Elsheikha HM,Zhu XQ

更新日期：2019-08-23 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：:Objective:Streptococcus pneumoniae colonizes the nasopharynx of children, and from nasopharynx it could migrate to the middle ear and causes acute otitis media (AOM). During colonization and AOM, the pneumococcus forms biofilms. In vitro biofilm formation requires a functional LuxS/AI-2 quorum-sensing system. We inves...

journal_title：Frontiers in cellular and infection microbiology

authors： Yadav MK,Vidal JE,Go YY,Kim SH,Chae SW,Song JJ

更新日期：2018-05-04 00:00:00