H4 histone in the macronucleus of Blepharisma japonicum (Protozoa, Ciliophora, Heterotrichida).

abstract：:A composite transposon is a mobile genetic element consisting of two insertion sequences (ISs) flanking a segment of cargo DNA often containing antibiotic resistance (AR) genes. Composite transposons can move as a discreet unit. There have been recently several reports on a novel mechanism of movement of an IS26-based...

journal_title：FEMS microbiology letters

authors： Tansirichaiya S,Mullany P,Roberts AP

更新日期：2016-09-01 00:00:00

abstract：:Brucella abortus B19, an avirulent strain obtained by spontaneous mutation, is used worldwide as a vaccine for the control of bovine brucellosis. B19 differs from other B. abortus strains in its sensitivity to erythritol. We took advantage of a previously obtained erythritol sensitive Tn5 insertion mutant of B. abortu...

journal_title：FEMS microbiology letters

authors： Sangari FJ,García-Lobo JM,Agüero J

更新日期：1994-09-01 00:00:00

abstract：:This paper describes the validation and application of a simple flask-based (14)C-respirometer system designed to assess mineralisation of (14)C-labelled substrates under defined conditions. Validation of this respirometer system indicated stoichiometric CO(2) trapping up to a maximum of 400 micromol of CO(2) (in a si...

journal_title：FEMS microbiology letters

authors： Reid BJ,MacLeod CJ,Lee PH,Morriss AW,Stokes JD,Semple KT

更新日期：2001-03-15 00:00:00

abstract：:The chrysene-degrading bacterium Pseudoxanthomonas sp. PNK-04 was isolated from a coal sample. Three novel metabolites, hydroxyphenanthroic acid, 1-hydroxy-2-naphthoic acid and salicylic acid, were identified by TLC, HPLC and MS. Key enzyme activities, namely 1-hydroxy-2-naphthoate hydroxylase, 1,2-dihydroxynaphthalen...

journal_title：FEMS microbiology letters

authors： Nayak AS,Sanjeev Kumar S,Santosh Kumar M,Anjaneya O,Karegoudar TB

更新日期：2011-07-01 00:00:00

abstract：:Ralstonia eutropha H16 is a Gram-negative lithoautotrophic bacterium and is one of the best biopolymer-producing bacteria. It can grow to high cell densities either under lithoautotrophic or under heterotrophic conditions, which makes it suitable for a number of biotechnological applications. Also, R. eutropha H16 can...

journal_title：FEMS microbiology letters

authors： Park JM,Jang YS,Kim TY,Lee SY

更新日期：2010-08-01 00:00:00

abstract：:Methods for in vivo monitoring of redox changes in different cellular compartments have been developed in recent years, and are mostly based on redox-sensitive variants of the green fluorescent protein (GFP). However, due to the thermodynamic stability of the introduced reactive disulfide bond, these sensors are limit...

journal_title：FEMS microbiology letters

authors： Delic M,Mattanovich D,Gasser B

更新日期：2010-05-01 00:00:00

abstract：:Biochemical responses to cold and osmotic stresses overlap because each decreases the availability of free water. Since RNA-binding proteins are known to accumulate following cold stress and play key roles in regulating transcription termination, the effect of osmotic stress on expression of RNA-binding proteins was e...

journal_title：FEMS microbiology letters

authors： Mori S,Castoreno A,Mulligan ME,Lammers PJ

更新日期：2003-10-24 00:00:00

abstract：:Two hybridoma cell lines producing monoclonal antibodies (MAbs) against a hemagglutinin/protease (HA/P) from Vibrio cholerae non-01 were produced and characterized. The two MAbs contained the kappa light chain and were IgG1 type. They similarly neutralized HA/P protease activity derived from both V. cholerae non-01 an...

journal_title：FEMS microbiology letters

authors： Honda T,Hata-Naka A,Lertpocasombat K,Miwatani T

更新日期：1991-03-01 00:00:00

abstract：:Plastocyanin, encoded by the petE gene, can transfer electrons to photosystem I (PSI) and cytochrome c oxidase during photosynthetic and respiratory metabolism in cyanobacteria. We constructed a petE mutant of Synechocystis sp. strain PCC 6803 and investigated its phenotypic properties under different light conditions...

journal_title：FEMS microbiology letters

authors： Wang XQ,Jiang HB,Zhang R,Qiu BS

更新日期：2013-04-01 00:00:00

abstract：:Myxococcus xanthus cells move over surfaces by gliding motility. The frz signal transduction system is used to control the reversal frequency, and thus the overall direction of movement of M. xanthus cells. We analyzed the behavior of wild-type and frz mutant cells in response to prey bacteria (Escherichia coli). Wild...

journal_title：FEMS microbiology letters

authors： McBride MJ,Zusman DR

更新日期：1996-04-01 00:00:00

abstract：:beta-Glucosidase in Aspergillus nidulans was found to be both intracellular and extracellular. The intracellular beta-glucosidase was synthesized after the exhaustion of carbon source in the medium. The extracellular enzyme appeared with autolysis of the mycelium. Biosynthesis of beta-glucosidase was not induced by va...

journal_title：FEMS microbiology letters

authors： Lee J,Kwon KS,Hah YC

更新日期：1996-01-01 00:00:00

abstract：:Two plasmids, pEM4 (IncFI) determining virulence and pEM6 (IncI) determining colicine I production and resistance to tetracycline, have been found in a pathogenic strain of Citrobacter freundii. Even though pEM4 and pEM6 plasmids are conjugative and transfer themselves very efficiently during conjugation, a high cotra...

journal_title：FEMS microbiology letters

authors： Morzejko E,Panek E,Cebrat S

更新日期：1990-03-01 00:00:00

abstract：:The accumulation of 2-keto-3-deoxy-6-phosphogluconate, the key intermediate of the Entner-Doudoroff pathway, has long been thought to inhibit growth of bacteria, but careful measurements of 2-keto-3-deoxy-6-phosphogluconate accumulation by growing cells and the correlation of intracellular 2-keto-3-deoxy-6-phosphogluc...

journal_title：FEMS microbiology letters

authors： Fuhrman LK,Wanken A,Nickerson KW,Conway T

更新日期：1998-02-15 00:00:00

abstract：:The DnaK chaperone system is involved in various cellular processes such as the control of the folded and oligomeric state of proteins under stress and non-stress conditions. In this study we functionally characterised the homologues of the DnaK system from Clostridium acetobutylicum DnaK, DnaJ, GrpE and OrfA were het...

journal_title：FEMS microbiology letters

authors： Rüngeling E,Laufen T,Bahl H

更新日期：1999-01-01 00:00:00

abstract：:The ability of 14 Lactobacillus strains, isolated from fermented dry sausages, to transfer tetracycline resistance encoded by tet(M) through conjugation was examined using filter mating experiments. Seven out of 14 tetracycline-resistant Lactobacillus isolates were able to transfer in vitro this resistance to Enteroco...

journal_title：FEMS microbiology letters

authors： Gevers D,Huys G,Swings J

更新日期：2003-08-08 00:00:00

abstract：:Bacterial aerotaxis is a rapid response towards or away from oxygen. Here we report on the use of computer-assisted motion analysis coupled to flash photolysis of caged oxygen to quantify aerotactic responses in bacteria. The caged compound (mu-peroxo)(mu-hydroxo)bis[bis(bipyridyl) cobalt(III)] perchlorate liberates m...

journal_title：FEMS microbiology letters

authors： Yu HS,Saw JH,Hou S,Larsen RW,Watts KJ,Johnson MS,Zimmer MA,Ordal GW,Taylor BL,Alam M

更新日期：2002-12-17 00:00:00

abstract：:Multidrug efflux pumps contribute to multiple antibiotic resistance in Pseudomonas aeruginosa. Pump expression usually has been quantified by Western blotting. Quantitative real-time polymerase chain reaction has been developed to measure mRNA expression for genes of interest. Whether this method correlates with pump ...

journal_title：FEMS microbiology letters

authors： Yoneda K,Chikumi H,Murata T,Gotoh N,Yamamoto H,Fujiwara H,Nishino T,Shimizu E

更新日期：2005-02-01 00:00:00

abstract：:The enzymatic activity of salivary amylase bound to the surface of several species of oral streptococci was determined by the production of acid from starch and by the degradation of maltotetraose to glucose in a coupled, spectrophotometric assay. Most strains able to bind amylase exhibited functional enzyme on their ...

journal_title：FEMS microbiology letters

authors： Douglas CW,Heath J,Gwynn JP

更新日期：1992-04-15 00:00:00

abstract：:The ascomycetous black yeasts Hortaea werneckii, Phaeotheca triangularis, and Trimmatostroma salinum are halophilic fungi that inhabit hypersaline water of solar salterns. They are characterized by slow, meristematic growth and very thick, darkly pigmented cell walls. The dark pigment, generally thought to be melanin,...

journal_title：FEMS microbiology letters

authors： Kogej T,Wheeler MH,Lanisnik Rizner T,Gunde-Cimerman N

更新日期：2004-03-19 00:00:00

abstract：:Listeria monocytogenes is a Gram positive pathogen that is ubiquitous in the environment. It is a facultative anaerobic rod that causes listeriosis, a disease with potentially lethal consequences for susceptible individuals. During infection, the pathogen is capable of sequestering metal ions to act as vital biocataly...

journal_title：FEMS microbiology letters

authors： Dowd GC,Casey PG,Begley M,Hill C,Gahan CG

更新日期：2012-02-01 00:00:00

abstract：:A smooth colony strain, resistant to phages lambda and P22, was isolated from sewage and identified as Escherichia coli (strain H). Four temperate phages plaquing on strain H were isolated from sewage. The archetype, HK620, does not plaque on strains C and K12 of E. coli nor on the LT2 strain of Salmonella enterica. B...

journal_title：FEMS microbiology letters

authors： Dhillon TS,Poon AP,Chan D,Clark AJ

更新日期：1998-04-01 00:00:00

abstract：:Despite the large number of techniques available for the transformation of bacteria, several species are still resistant to the introduction of foreign DNA. Oenococcus oeni are among the organisms that are particularly refractory to transformation. However, conjugal experiments from Lactococcus lactis to O. oeni with ...

journal_title：FEMS microbiology letters

authors： Beltramo C,Oraby M,Bourel G,Garmyn D,Guzzo J

更新日期：2004-07-01 00:00:00

abstract：:It was shown that virulent Mycobacterium tuberculosis H37Rv induces necrosis of infected RAW264 cells at 24 h post infection while avirulent H37Ra and an attenuated H37Rv mutant that is deficient for RD1 region (H37RvDeltaRD1) cause less necrosis of the infected cells. While H37Rv caused damage of the mitochondrial in...

journal_title：FEMS microbiology letters

authors： Kaku T,Kawamura I,Uchiyama R,Kurenuma T,Mitsuyama M

更新日期：2007-09-01 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：:The cryopreservation of an anaerobic rumen fungus, Piromyces communis OTS1, was examined at -84 degrees C using dimethyl sulfoxide, propylene glycol or ethylene glycol as cryoprotectants. Ethylene glycol was the most effective agent, combining high survival and low toxicity, followed by dimethyl sulfoxide and propylen...

journal_title：FEMS microbiology letters

authors： Sakurada M,Tsuzuki Y,Morgavi DP,Tomita Y,Onodera R

更新日期：1995-04-01 00:00:00

abstract：:Tritrichomonas foetus is a venereal pathogen of cattle, which causes infertility, early embryonic death or abortion. In order to evaluate the potential trichomonicidal activity of benzimidazoles, the effects of thiabendazole, mebendazole and albendazole were analyzed on the multiplication, general morphology and ultra...

journal_title：FEMS microbiology letters

authors： Carvalho KP,Gadelha AP

更新日期：2007-10-01 00:00:00

abstract：:A novel cry1A was cloned from Bacillus thuringiensis strain BT8 and expressed in the B. thuringiensis acrystalliferous mutant HD73(-). The gene, designated cry1Ah1, encoded a protein with a molecular weight of 134 kDa. Reverse transcriptase-PCR and Western blotting showed that Cry1Ah was expressed in the host strain B...

journal_title：FEMS microbiology letters

authors： Xue J,Liang G,Crickmore N,Li H,He K,Song F,Feng X,Huang D,Zhang J

更新日期：2008-03-01 00:00:00

abstract：:DNA microarray technology was used to survey changes in gene expression in Pseudomonas fluorescens after mitomycin C treatment. As expected, genes associated with the SOS response were upregulated, such as those encoding the recombination protein RecA, DNA repair protein RecN, excinuclease ABC subunit A UvrA, and the ...

journal_title：FEMS microbiology letters

authors： Jin H,Retallack DM,Stelman SJ,Hershberger CD,Ramseier T

更新日期：2007-04-01 00:00:00

abstract：:Atypical enteropathogenic Escherichia coli (EPEC) comprise an important group of paediatric pathogens. Atypical EPEC have reservoirs in farm and domestic animals where they can be either commensal or pathogenic; serogroup O26 is dominant in humans and animals. Central to intestinal colonization by EPEC is the transloc...

journal_title：FEMS microbiology letters

authors： Ooka T,Vieira MA,Ogura Y,Beutin L,La Ragione R,van Diemen PM,Stevens MP,Aktan I,Cawthraw S,Best A,Hernandes RT,Krause G,Gomes TA,Hayashi T,Frankel G

更新日期：2007-06-01 00:00:00

abstract：:Using electron microscopy, pili with at least two distinct morphologies were observed on strains of Pasteurella multocida isolated from pigs with atrophic rhinitis. Rigid pili were found on 60-80% of all cells observed. These pili had a strong tendency to lie flat along the side of the outer cell membrane of P. multoc...

journal_title：FEMS microbiology letters

authors： Isaacson RE,Trigo E

更新日期：1995-10-15 00:00:00