Three redescriptions in Tintinnopsis (Protista: Ciliophora: Tintinnina) from coastal waters of China, with cytology and phylogenetic analyses based on ribosomal RNA genes.

abstract：BACKGROUND:The RNA interference (RNAi) pathway acts as an innate antiviral immune response in Aedes aegypti, modulating arbovirus infection of mosquitoes. Sindbis virus (SINV; family: Togaviridae, genus: Alphavirus) is an arbovirus that infects Ae. aegypti in the laboratory. SINV strain TR339 encounters a midgut escape...

journal_title：BMC microbiology

authors： Khoo CC,Piper J,Sanchez-Vargas I,Olson KE,Franz AW

更新日期：2010-04-28 00:00:00

abstract：BACKGROUND:Most group A streptococcal (GAS) vaccine strategies have focused on the surface M protein, a major virulence factor of GAS. The amino-terminus of the M protein elicits antibodies, that are both opsonic and protective, but which are type specific. J14, a chimeric peptide that contains 14 amino acids from the ...

journal_title：BMC microbiology

authors： Yoonim N,Olive C,Pruksachatkunakorn C,Pruksakorn S

更新日期：2006-08-09 00:00:00

abstract：BACKGROUND:Several conventional methods, including fungal culture and periodic acid-Schiff (PAS) reagent staining, have been used to diagnose oral candidiasis. The aim of this study was to evaluate the efficacy of a novel method, fungal fluorescent staining, in relation to conventional protocols in the diagnosis of ora...

journal_title：BMC microbiology

authors： Yao Y,Shi L,Zhang C,Sun H,Wu L

更新日期：2019-05-14 00:00:00

abstract：BACKGROUND:Wolbachia are the most widely spread endosymbiotic bacteria, present in a wide variety of insects and two families of nematodes. As of now, however, relatively little genomic data has been available. The Wolbachia symbiont can be parasitic, as described for many arthropod systems, an obligate mutualist, as i...

journal_title：BMC microbiology

authors： Lefoulon E,Clark T,Borveto F,Perriat-Sanguinet M,Moulia C,Slatko BE,Gavotte L

更新日期：2020-06-30 00:00:00

abstract：BACKGROUND:The dspA (hik33) gene, coding for a putative sensory histidine kinase, is conserved in plastids (ycf26) and cyanobacteria. It has been linked with a number of different stress responses in cyanobacteria. RESULTS:We constructed an insertional mutant of dspA (ycf26) in Synechocystis 6803. We found little phen...

journal_title：BMC microbiology

authors： Morrison SS,Mullineaux CW,Ashby MK

更新日期：2005-08-02 00:00:00

abstract：BACKGROUND:This study provides biochemical and molecular genetic characteristics of P. multocida isolated from dead saigas in 1988, 2010-2015 on the territory of the Republic of Kazakhstan. RESULTS:Bacteriological samples taken from carcasses of saiga antelope during mortality events recorded in West Kazakhstan in bot...

journal_title：BMC microbiology

authors： Orynbayev M,Sultankulova K,Sansyzbay A,Rystayeva R,Shorayeva K,Namet A,Fereidouni S,Ilgekbayeva G,Barakbayev K,Kopeyev S,Kock R

更新日期：2019-02-11 00:00:00

abstract：BACKGROUND:The KdpD/KdpE two-component system of Escherichia coli regulates expression of the kdpFABC operon encoding the high affinity K+ transport system KdpFABC. The input domain of KdpD comprises a domain that belongs to the family of universal stress proteins (Usp). It has been previously demonstrated that UspC bi...

journal_title：BMC microbiology

authors： Heermann R,Lippert ML,Jung K

更新日期：2009-07-09 00:00:00

abstract：BACKGROUND:Enterohemorrhagic Escherichia coli (EHEC) colonizes the intestinal epithelium and causes attaching and effacing (A/E) lesions. Expression of virulence genes, particularly those from the locus of the enterocyte effacement (LEE) pathogenicity island is required for the formation of a type three secretion syste...

journal_title：BMC microbiology

authors： Hansen AM,Jin DJ

更新日期：2012-10-11 00:00:00

abstract：BACKGROUND:Glycopeptidolipids (GPLs) are among the major free glycolipid components of the outer membrane of several saprophytic and clinically-relevant Mycobacterium species. The architecture of GPLs is based on a constant tripeptide-amino alcohol core of nonribosomal peptide synthetase origin that is N-acylated with ...

journal_title：BMC microbiology

authors： Tatham E,Sundaram Chavadi S,Mohandas P,Edupuganti UR,Angala SK,Chatterjee D,Quadri LE

更新日期：2012-06-22 00:00:00

abstract：BACKGROUND:The emergence and spread of multidrug resistant methicillin-resistant Staphylococcus aureus (MDR-MRSA) has serious health consequences in the presence of sub-MIC antibiotics. Therefore, this study was designed to evaluate β-lactamase activity, efflux activity, biofilm formation, and gene expression pattern i...

journal_title：BMC microbiology

authors： Jo A,Ahn J

更新日期：2016-07-29 00:00:00

abstract：BACKGROUND:Staphylococcus aureus (S. aureus) is one of the primary causes of bone infections which are often chronic and difficult to eradicate. Bacteria like S. aureus may survive upon internalization in cells and may be responsible for chronic and recurrent infections. In this study, we compared the responses of a ph...

journal_title：BMC microbiology

authors： Hamza T,Li B

更新日期：2014-07-25 00:00:00

abstract：BACKGROUND:Prevotella intermedia is a Gram-negative black-pigmenting oral anaerobe associated with periodontitis in humans, and has a haem requirement for growth, survival and virulence. It produces an iron porphyrin-containing pigment comprising monomeric iron (III) protoporphyrin IX (Fe(III)PPIX.OH; haematin). The ba...

journal_title：BMC microbiology

authors： Byrne DP,Manandhar SP,Potempa J,Smalley JW

更新日期：2015-09-24 00:00:00

abstract：BACKGROUND:Quorum sensing is a communication system that regulates gene expression in response to population density and often regulates virulence determinants. Deletion of the luxR homologue vjbR highly attenuates intracellular survival of Brucella melitensis and has been interpreted to be an indication of a role for ...

journal_title：BMC microbiology

authors： Weeks JN,Galindo CL,Drake KL,Adams GL,Garner HR,Ficht TA

更新日期：2010-06-08 00:00:00

abstract：BACKGROUND:A major obstacle to industrial-scale astaxanthin production by the yeast Phaffia rhodozyma is the strong inhibitory effect of high glucose concentration on astaxanthin synthesis. We investigated, for the first time, the mechanism of the regulatory effect of high glucose (> 100 g/L) at the metabolite and tran...

journal_title：BMC microbiology

authors： Miao L,Chi S,Wu M,Liu Z,Li Y

更新日期：2019-06-15 00:00:00

abstract：BACKGROUND:The role of Aspergillus fumigatus mycotoxins in the colonization of the respiratory tract by conidia has not been studied extensively, even though patients at risk from invasive aspergillosis frequently exhibit respiratory epithelium damage. In a previous study, we found that filtrates of A. fumigatus cultur...

journal_title：BMC microbiology

authors： Khoufache K,Puel O,Loiseau N,Delaforge M,Rivollet D,Coste A,Cordonnier C,Escudier E,Botterel F,Bretagne S

更新日期：2007-01-23 00:00:00

abstract：BACKGROUND:The catabolite control protein CcpA is a transcriptional regulator conserved in many Gram-positives, controlling the efficiency of glucose metabolism. Here we studied the role of Bacillus cereus ATCC 14579 CcpA in regulation of metabolic pathways and expression of enterotoxin genes by comparative transcripto...

journal_title：BMC microbiology

authors： van der Voort M,Kuipers OP,Buist G,de Vos WM,Abee T

更新日期：2008-04-16 00:00:00

abstract：BACKGROUND:The complete genome sequences of 44 Bacillus cereus group isolates collected from diverse sources in Japan were analyzed to determine their genetic backgrounds and diversity levels in Japan. Multilocus sequence typing (MLST) and core-genome single-nucleotide polymorphism (SNP) typing data from whole-genome s...

journal_title：BMC microbiology

authors： Okutani A,Inoue S,Noguchi A,Kaku Y,Morikawa S

更新日期：2019-12-16 00:00:00

abstract：BACKGROUND:The Bacillus anthracis S-layer protein, BslA, plays a crucial role in mammalian infection. BslA is required to mediate adherence between host cells and vegetative forms of bacteria and this interaction promotes target organs adherence and blood-brain barrier (BBB) penetration in vivo. This study attempts to ...

journal_title：BMC microbiology

authors： Wang Y,Wei Y,Yuan S,Tao H,Dong J,Zhang Z,Tian W,Liu C

更新日期：2016-08-11 00:00:00

abstract：BACKGROUND:Leptospires lack many of the homologs for oxidative defense present in other bacteria, but do encode homologs of the Bacteriodes aerotolerance (Bat) proteins, which have been proposed to fulfill this function. Bat homologs have been identified in all families of the phylum Spirochaetes, yet a specific functi...

journal_title：BMC microbiology

authors： Stewart PE,Carroll JA,Dorward DW,Stone HH,Sarkar A,Picardeau M,Rosa PA

更新日期：2012-12-13 00:00:00

abstract：BACKGROUND:The resurgence of multi-drug resistant tuberculosis (MDR-TB) and HIV associated tuberculosis (TB) are of serious global concern. To contain this situation, new anti-tuberculosis drugs and reduced treatment regimens are imperative. Recently, a nitroimidazole, PA-824, has been shown to be active against both r...

journal_title：BMC microbiology

authors： Somasundaram S,Anand RS,Venkatesan P,Paramasivan CN

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND:Microbiota from different niches within the canine oral cavity were profiled and compared. Supragingival plaque and stimulated saliva, were collected alongside samples from the buccal and tongue dorsum mucosa, from 14 Labrador retrievers at three timepoints within a 1 month timeframe. The V3-V4 region of the...

journal_title：BMC microbiology

authors： Ruparell A,Inui T,Staunton R,Wallis C,Deusch O,Holcombe LJ

更新日期：2020-02-28 00:00:00

abstract：BACKGROUND:Wolbachia, one of the most abundant taxa of intracellular Alphaproteobacteria, is widespread among arthropods and filarial nematodes. The presence of these maternally inherited bacteria is associated with modifications of host fitness, including a variety of reproductive abnormalities, such as cytoplasmic in...

journal_title：BMC microbiology

authors： Conte CA,Segura DF,Milla FH,Augustinos A,Cladera JL,Bourtzis K,Lanzavecchia SB

更新日期：2019-12-24 00:00:00

abstract：BACKGROUND:Mass-rearing, domestication and gamma irradiation of tephritid fruit flies used in sterile insect technique (SIT) programmes can negatively impact fly quality and performance. Symbiotic bacteria supplied as probiotics to mass-reared fruit flies may help to overcome some of these issues. However, the effects ...

journal_title：BMC microbiology

authors： Woruba DN,Morrow JL,Reynolds OL,Chapman TA,Collins DP,Riegler M

更新日期：2019-12-24 00:00:00

abstract：BACKGROUND:Understanding mollicutes is challenging due to their variety and relationship with host cells. Invasion has explained issues related to their opportunistic role. Few studies have been done on the Ureaplasma diversum mollicute, which is detected in healthy or diseased bovine. The invasion in Hep-2 cells of fo...

journal_title：BMC microbiology

authors： Marques LM,Ueno PM,Buzinhani M,Cortez BA,Neto RL,Yamaguti M,Oliveira RC,Guimarães AM,Monezi TA,Braga AC Jr,Machado-Santelli GM,Timenetsky J

更新日期：2010-03-17 00:00:00

abstract：BACKGROUND:Ureaplasma urealyticum is a major pathogen associated with many diseases. The ability of U. urealyticum to protect itself from oxidative stress is likely to be important for its pathogenesis and survival, but its oxidative stress tolerance mechanisms remain unclear. This study investigates the antioxidant ac...

journal_title：BMC microbiology

authors： Dai G,Li R,Chen H,Jiang C,You X,Wu Y

更新日期：2015-07-26 00:00:00

abstract：BACKGROUND:There is a rapid emergence of multiple resistant gram-negative bacteria due to overuse of antibiotics in the treatment of infections. Biofilms consist of polymicrobial communities that survive the host's defense system. The key bacteria in biofilms are slow growing and support an attachment and rapid growth ...

journal_title：BMC microbiology

authors： Wu C,Nakka S,Mansouri S,Bengtsson T,Nayeri T,Nayeri F

更新日期：2016-09-09 00:00:00

abstract：BACKGROUND:Biofilm formation by Candida albicans has shown to be highly variable and is directly associated with pathogenicity and poor clinical outcomes in patients at risk. The aim of this study was to test the hypotheses that the extracellular DNA release by C. albicans is strain dependent and is associated with bio...

journal_title：BMC microbiology

authors： Rajendran R,Sherry L,Lappin DF,Nile CJ,Smith K,Williams C,Munro CA,Ramage G

更新日期：2014-12-05 00:00:00

abstract：BACKGROUND:Epidemiology of celiac disease (CD) is increasing. CD mainly presents in early childhood with small intestinal villous atrophy and signs of malabsorption. Compared to healthy individuals, CD patients seemed to be characterized by higher numbers of Gram-negative bacteria and lower numbers Gram-positive bacter...

journal_title：BMC microbiology

authors： Di Cagno R,De Angelis M,De Pasquale I,Ndagijimana M,Vernocchi P,Ricciuti P,Gagliardi F,Laghi L,Crecchio C,Guerzoni ME,Gobbetti M,Francavilla R

更新日期：2011-10-04 00:00:00

abstract：BACKGROUND:The microbiological diagnosis of bacterial vaginosis is usually made using Nugent's criteria, a useful but rather laborious scoring system based on counting bacterial cell types on Gram stained slides of vaginal smears. Ison and Hay have simplified the score system to three categories and added a fourth cate...

journal_title：BMC microbiology

authors： Verhelst R,Verstraelen H,Claeys G,Verschraegen G,Van Simaey L,De Ganck C,De Backer E,Temmerman M,Vaneechoutte M

更新日期：2005-10-14 00:00:00

abstract：BACKGROUND:The gene encoding the inorganic pyrophosphatase (PPase) of the intracellular pathogen Legionella pneumophila is induced during intracellular infection, but is constitutively expressed in Escherichia coli. The causative agent of tuberculosis, Mycobacterium tuberculosis, contains a well conserved copy of PPase...

journal_title：BMC microbiology

authors： Triccas JA,Gicquel B

更新日期：2001-01-01 00:00:00