Immuno-crossreactivity and toxicity assessment of conjugation products of the cyanobacterial toxin, microcystin-LR.

abstract：:The outer membrane protein (OMP) profiles of four different strains of Bacteroides fragilis, as determined by Coomassie blue stained polyacrylamide gels, were compared after growth in broth culture and in the mouse peritoneal cavity. There was no induction of the expression of large quantities of novel OMP after growt...

journal_title：FEMS microbiology letters

authors： Patrick S,Lutton DA

更新日期：1990-09-01 00:00:00

abstract：:A serum-susceptible, guinea-pig chamber-passaged, laboratory strain (BS4 (agar)) of Neisseria gonorrhoeae was converted to serum resistance by incubation with cytidine 5-monophospho-N-acetyl neuraminic acid (CMP-NANA) and examined by electron microscopy after staining with ruthenium-red. In contrast to serum susceptib...

journal_title：FEMS microbiology letters

authors： Fox AJ,Curry A,Rowland PL,Lancaster S,Jones DM,Parsons NJ,Cole JA,Smith H

更新日期：1990-01-01 00:00:00

abstract：:The molecular genetics of indole-3-acetic (IAA) synthesis and regulation in Azospirillum brasilense was investigated in this study. Tn5 mutagenesis was performed and five mutants with decreased IAA production were isolated. Five Tn5-inserted genes from these mutants were cloned and sequenced. Four genes were reported ...

journal_title：FEMS microbiology letters

authors： Xie B,Xu K,Zhao HX,Chen SF

更新日期：2005-07-01 00:00:00

abstract：:The polymerase chain reaction was used to search for hepatitis B virus (HBV)-DNA sequences in the sera of HBsAg-negative Senegalese patients suffering from liver cirrhosis or liver cancer. Amplified HBV-DNA sequences were detected by hybridization with a digoxigenin-labelled HBV-DNA probe. HBV-DNA was detected in 17% ...

journal_title：FEMS microbiology letters

authors： Coursaget P,Le Cann P,Leboulleux D,Diop MT,Bao O,Coll AM

更新日期：1991-09-15 00:00:00

abstract：:We isolated a fungal strain HS-1 utilizing either ethylene glycol dibenzoate or ethyl benzoate as sole source of carbon and energy, and identified it as Aspergillus nomius, based on morphological and rDNA analyses. An enzyme hydrolyzing the esters was purified from the culture supernatant of the strain to an electroph...

journal_title：FEMS microbiology letters

authors： Uchida H,Kurakata Y,Sawamura H,Inamura N,Kotani T,Uwajima T

更新日期：2003-06-06 00:00:00

abstract：:Individual isolates of Escherichia coli synthesize one of more than 70 chemically distinct polysaccharides which form the capsule. In this article we review the genetics of capsule production in E. coli and highlight what this is beginning to reveal in terms of the genetic basis of the structural diversity of polysacc...

journal_title：FEMS microbiology letters

authors： Boulnois G,Drake R,Pearce R,Roberts I

更新日期：1992-12-15 00:00:00

abstract：:The emergence and dissemination of colistin resistance among Gram-negative bacteria is a global problem. We initiated a surveillance of colistin-resistant and -susceptible Escherichia coli in raw meats from chicken in Nepal. A total of 180 meat samples were collected; from these, 60 E. coli strains were isolated (33.3...

journal_title：FEMS microbiology letters

authors： Joshi PR,Thummeepak R,Leungtongkam U,Pooarlai R,Paudel S,Acharya M,Dhital S,Sitthisak S

更新日期：2019-10-01 00:00:00

abstract：:The new thermophilic Bacillus thermoleovorans strain A2 degrades phenol and cresols via the meta cleavage pathway. The first two enzymes involved in this process, the phenol hydroxylase and catechol 2,3-dioxygenase, encoded by the pheA and pheB genes respectively, were cloned and sequenced. The deduced amino acid sequ...

journal_title：FEMS microbiology letters

authors： Duffner FM,Müller R

更新日期：1998-04-01 00:00:00

abstract：:In this study, we were interested in the association of attenuated mutants of Salmonella enterica serovar Enteritidis with subpopulations of porcine white blood cells (WBC). The mutants included those with inactivated aroA, phoP, rfaL, rfaG, rfaC and fliC genes and a mutant with five major pathogenicity islands remove...

journal_title：FEMS microbiology letters

authors： Stepanova H,Volf J,Malcova M,Matiasovic J,Faldyna M,Rychlik I

更新日期：2011-08-01 00:00:00

abstract：:The phyCg gene encoding a new phytase from Citrobacter gillenii was optimized, synthesized, cloned and expressed in Pichia pastoris. Analysis of the amino acid sequence of the enzyme showed that it belongs to the histidine acid phosphatase family. The amino acid sequence of the PhyCg phytase has the highest homology (...

journal_title：FEMS microbiology letters

authors： Tkachenko AA,Kalinina AN,Borshchevskaya LN,Sineoky SP,Gordeeva TL

更新日期：2020-12-21 00:00:00

abstract：:The formation of dormant endospores is a complex morphological process that permits long-term survival in inhospitable environments for many Gram-positive bacteria. Sporulation for the anaerobic gastrointestinal pathogen Clostridium difficile is necessary for survival outside of the gastrointestinal tract of its host....

journal_title：FEMS microbiology letters

authors： Edwards AN,McBride SM

更新日期：2014-09-01 00:00:00

abstract：:Herein, we report a high-quality draft genome sequence of an uncultivated aromatic compound-degrading bacterium, obtained by the stable isotope probing method from a sulfate-reducing microcosm from an oil-contaminated tidal flat. The obtained genome was closely related with that of Desulfobacula toluolica Tol2. Abunda...

journal_title：FEMS microbiology letters

authors： Kim SJ,Park SJ,Jung MY,Kim JG,Min UG,Hong HJ,Rhee SK

更新日期：2014-11-01 00:00:00

abstract：:TraJ is an activator of the transfer (tra) operon in the F plasmid that counteracts H-NS silencing at the main transfer promoter (P(Y)). TraJ contains 226 aa (26 670 kDa), not 229 aa as reported previously, and forms homodimers. TraJ binds DNA containing P(Y)in vivo as demonstrated using a chromatin-immunoprecipitatio...

journal_title：FEMS microbiology letters

authors： Rodriguez-Maillard JM,Arutyunov D,Frost LS

更新日期：2010-09-01 00:00:00

abstract：:Chondroitin 6-sulfate depolymerizing activity was examined in the culture supernatant of Streptococcus intermedius ATCC 27335. 2-Acetamido-2-deoxy-3-O-(beta-D-gluco-4-enepyranosyluronic acid)-6-O-sulfo-D-galactose was split from the substrate. The enzyme(s) was not active upon chondroitin 4-sulfate or dermatan sulfate...

journal_title：FEMS microbiology letters

authors： Hibi E,Osano E,Fujii Y,Moriyama T

更新日期：1989-01-15 00:00:00

abstract：:In several bacterial species that show natural transformation, dprA has been described as a competence gene. The DprA protein has been suggested to be involved in the protection of incoming DNA. However, members of the dprA gene family (also called smf) can be detected in virtually all bacterial species, which suggest...

journal_title：FEMS microbiology letters

authors： Smeets LC,Becker SC,Barcak GJ,Vandenbroucke-Grauls CM,Bitter W,Goosen N

更新日期：2006-10-01 00:00:00

abstract：:Two yeasts from the effluent of a uranium mineral heap were identified as Candida sorbophila and Rhodotorula mucilaginosa. They are well adapted to such an environment as shown by their tolerance to metals and acid pH. However, different mechanisms could be involved in the adaptation: C. sorbophila could be considered...

journal_title：FEMS microbiology letters

authors： de Silóniz MI,Payo EM,Callejo MA,Marquina D,Peinado JM

更新日期：2002-05-07 00:00:00

abstract：:Production of the gene transfer agent of Rhodobacter capsulatus, RcGTA, is dependent upon several cellular regulatory systems, including a putative phosphorelay involving the CtrA and CckA proteins. These proteins are also involved in flagellar motility in R. capsulatus. The interactions of proteins in this system are...

journal_title：FEMS microbiology letters

authors： Mercer RG,Quinlan M,Rose AR,Noll S,Beatty JT,Lang AS

更新日期：2012-06-01 00:00:00

abstract：:Atypical psychrophilic Aeromonas salmonicida isolates were obtained from farmed and wild fish in Northeastern North America. These bacteria were isolated between 1992 and 2001 and carried tetracycline resistance (Tc(r)) plasmids of approximately 58 kb. The nine isolates had plasmids which could be divided into four gr...

journal_title：FEMS microbiology letters

authors： Casas C,Anderson EC,Ojo KK,Keith I,Whelan D,Rainnie D,Roberts MC

更新日期：2005-01-01 00:00:00

abstract：:Microcystins produced by cyanobacteria are potent and specific hepatotoxins; however, the mechanisms of microcystin-induced hepatotoxicity have not been fully elucidated. The induction of free radical formation and mitochondrial alterations are two major events found in microcystin-treated cultured rat hepatocytes. Th...

journal_title：FEMS microbiology letters

authors： Ding WX,Nam Ong C

更新日期：2003-03-14 00:00:00

abstract：:The amino acid composition and structure of the peptidoglycan from Heliobacillus mobilis was determined by one- and two-dimensional thin-layer chromatography of completely and partially hydrolysed cell wall preparations. The structure was found to be of the A3 gamma type, with L,L-diaminopimelate in position 3, D-alan...

journal_title：FEMS microbiology letters

authors： Pickett MW,Weiss N,Kelly DJ

更新日期：1994-09-15 00:00:00

abstract：:Symbioses between phototrophs and heterotrophs (a.k.a 'photosymbioses') are extremely common, and range from loose and temporary associations to obligate and highly specialized forms. In the history of life, the most transformative was the 'primary endosymbiosis,' wherein a cyanobacterium was engulfed by a eukaryote a...

journal_title：FEMS microbiology letters

authors： Gavelis GS,Gile GH

更新日期：2018-10-01 00:00:00

abstract：:The lin genes encode the gamma-hexachlorocyclohexane (gamma-HCH or lindane) catabolic pathway in lindane-degrading strains. The location and stability of these genes have been explored in the lindane-degrading Sphingobium francense strain Sp+, and in two non-lindane-degrading mutants (Sp1- and Sp2-). The lin genes, li...

journal_title：FEMS microbiology letters

authors： Cérémonie H,Boubakri H,Mavingui P,Simonet P,Vogel TM

更新日期：2006-04-01 00:00:00

abstract：:An accurate monitoring of disease progression is important to evaluate disease susceptibility phenotypes. Over the years, Arabidopsis thaliana has become the model species to serve as a host in plant-pathogen interactions. Despite the efforts to study genetic mechanisms of host defense, little efforts are made for a t...

journal_title：FEMS microbiology letters

authors： Brouwer M,Lievens B,Van Hemelrijck W,Van den Ackerveken G,Cammue BP,Thomma BP

更新日期：2003-11-21 00:00:00

abstract：:The lipoate acetyltransferase (E2p) subunits of the pyruvate dehydrogenase (PDH) complex of Escherichia coli have three tandemly repeated lipoyl domains, although net deletions of one or two has no apparent effect on the activity of the purified complexes. Plasmids containing IPTG-inducible aceEF-lpd operons, which en...

journal_title：FEMS microbiology letters

authors： Machado RS,Clark DP,Guest JR

更新日期：1992-12-15 00:00:00

abstract：:The Giardia genome project database provides an online resource for Giardia lamblia (WB strain, clone C6) genome sequence information. The database includes edited single-pass reads, the results of BLASTX searches, and details of progress towards sequencing the entire 12 million-bp Giardia genome. Pre-sorted BLASTX re...

journal_title：FEMS microbiology letters

authors： McArthur AG,Morrison HG,Nixon JE,Passamaneck NQ,Kim U,Hinkle G,Crocker MK,Holder ME,Farr R,Reich CI,Olsen GE,Aley SB,Adam RD,Gillin FD,Sogin ML

更新日期：2000-08-15 00:00:00

abstract：:Two type B15 P1.16 strains of Neisseria meningitidis were examined by immunogold electron microscopy for accessibility of two outer membrane protein (OMPs) to monoclonal antibodies. Both strains exhibited cell-to-cell variation of one epitope of the Class 3 OMP (P3.15) and one of the Class 1 OMPs (P1.16) when grown in...

journal_title：FEMS microbiology letters

authors： Wall RA,Davies HA,Borriello SP

更新日期：1989-11-01 00:00:00

abstract：:Tachyzoites of Toxoplasma gondii multiply within the parasitophorous vacuole (PV) until the lysis of the host cell. This study was undertaken to evaluate the effect of hydroxyurea (a specific drug that arrests cell division at G1/S phase) on the multiplication of T. gondii tachyzoites in infected Vero cells. Infected ...

journal_title：FEMS microbiology letters

authors： de Melo EJ,Mayerhoffer RO,de Souza W

更新日期：2000-04-01 00:00:00

abstract：:Resveratrol (3,5,4'-trihydroxy-trans-stilbene), an antifungal phytoalexin produced by grapes, peanuts, and Japanese knotweeds, is thought to be a beneficial dietary phytochemical in red wine and grape juice. Information on its antibacterial properties and biotransformation, however, is limited. We surveyed the interac...

journal_title：FEMS microbiology letters

authors： Jung CM,Heinze TM,Schnackenberg LK,Mullis LB,Elkins SA,Elkins CA,Steele RS,Sutherland JB

更新日期：2009-08-01 00:00:00

abstract：:An open reading frame located in the tyrB-uvrA intergenic region of the Escherichia coli MG1655 chromosome was identified as encoding the class B acid phosphatase of this species on the basis of cloning and expression experiments. A protocol for purification of the enzyme (named AphA) was developed, and its properties...

journal_title：FEMS microbiology letters

authors： Thaller MC,Schippa S,Bonci A,Cresti S,Rossolini GM

更新日期：1997-01-15 00:00:00

abstract：:We present a method to directly characterize the yeast diversity present in wine fermentations by employing denaturing gradient gel electrophoresis (DGGE) of polymerase chain reaction (PCR)-amplified 26S ribosomal RNA (rRNA) genes. PCR-DGGE of a portion of the 26S rRNA gene was shown to distinguish most yeast genera a...

journal_title：FEMS microbiology letters

authors： Cocolin L,Bisson LF,Mills DA

更新日期：2000-08-01 00:00:00