Oral toxicity of Photorhabdus luminescens W14 toxin complexes in Escherichia coli.

abstract：:A new virulent phage belonging to the Siphoviridae family and able to infect Lactococcus garvieae strains was isolated from compost soil. Phage GE1 has a prolate capsid (56 by 38 nm) and a long noncontractile tail (123 nm). It had a burst size of 139 and a latent period of 31 min. Its host range was limited to only tw...

journal_title：Applied and environmental microbiology

authors： Eraclio G,Tremblay DM,Lacelle-Côté A,Labrie SJ,Fortina MG,Moineau S

更新日期：2015-12-01 00:00:00

abstract：:Bacteria forming light-organ symbiosis with deep-sea chlorophthalmid fishes (Aulopiformes: Chlorophthalmidae) are considered to belong to the species Photobacterium phosphoreum. The identification of these bacteria as P. phosphoreum, however, was based exclusively on phenotypic traits, which may not discriminate betwe...

journal_title：Applied and environmental microbiology

authors： Dunlap PV,Ast JC

更新日期：2005-02-01 00:00:00

abstract：:A spontaneous rpsL mutant of Thermus thermophilus was isolated in a search for new selection markers for this organism. This new allele, named rpsL1, encodes a K47R/K57E double mutant S12 ribosomal protein that confers a streptomycin-dependent (SD) phenotype to T. thermophilus. Models built on the available three-dime...

journal_title：Applied and environmental microbiology

authors： Blas-Galindo E,Cava F,López-Viñas E,Mendieta J,Berenguer J

更新日期：2007-08-01 00:00:00

abstract：:During an outbreak of paralytic poliomyelitis in Finland in 1984 and 1985 the widespread circulation of the causative wild-type serotype 3 poliovirus in the population was documented by demonstrating the virus in sewage water specimens in 13 different locations in the greater Helsinki district and in 13 other cities o...

journal_title：Applied and environmental microbiology

authors： Pöyry T,Stenvik M,Hovi T

更新日期：1988-02-01 00:00:00

abstract：:Escherichia coli strains harboring deletion mutations of the insecticidal protoxin gene of Bacillus thuringiensis subsp. berliner 1715 were constructed. Although these strains did not produce intact protoxin, cell extracts from one of the mutants were extremely toxic to tobacco hornworm (Manduca sexta) larvae, indicat...

journal_title：Applied and environmental microbiology

authors： Wabiko H,Held GA,Bulla LA Jr

更新日期：1985-03-01 00:00:00

abstract：:In 2004, more than 1,230 cases of gastroenteritis due to pandemic O3:K6 strains of Vibrio parahaemolyticus were reported in southern Sinaloa, a state in Northwestern Mexico. Recurrent sporadic cases arose from 2004 to 2010, spreading from the south to the north. In the present study, Vibrio parahaemolyticus was detect...

journal_title：Applied and environmental microbiology

authors： Velazquez-Roman J,León-Sicairos N,Flores-Villaseñor H,Villafaña-Rauda S,Canizalez-Roman A

更新日期：2012-03-01 00:00:00

abstract：:Restriction endonuclease fragment patterns of the deoxyribonucleic acid genomes of Autographa californica nuclear polyhedrosis virus (multiply embedded type) and Trichoplusia ni nuclear polyhedrosis virus (multiply embedded type) demonstrate that the two viruses are distinct but closely related variants. ...

journal_title：Applied and environmental microbiology

authors： Miller LK,Dawes KP

更新日期：1978-06-01 00:00:00

abstract：:The aim of this work was to investigate the medium requirements for growth and production of exopolysaccharides by Lactobacillus delbrueckii subsp. bulgaricus NCFB 2772. The strain was grown in batch cultures on a chemically defined medium, and the technique of single omission of medium components was applied to deter...

journal_title：Applied and environmental microbiology

authors： Grobben GJ,Chin-Joe I,Kitzen VA,Boels IC,Boer F,Sikkema J,Smith MR,de Bont JA

更新日期：1998-04-01 00:00:00

abstract：:Biodegradability screening tests of soil commonly measure 14CO2 evolution from radiolabeled test compounds, and glucose has often served as a positive control. When constant amounts of radiolabel were added to soil in combination with increasing amounts of unlabeled substrates, glucose and some related hexoses behaved...

journal_title：Applied and environmental microbiology

authors： Shen J,Bartha R

更新日期：1996-07-01 00:00:00

abstract：:Fungal attacks on stored vegetable and fruits are responsible for losses of products. There is an active research field to develop alternative strategies for postharvest disease management, and the use of biocontrol agents represents a promising approach. Understanding the molecular bases of the biocontrol activity of...

journal_title：Applied and environmental microbiology

authors： Castoria R,Miccoli C,Barone G,Palmieri D,De Curtis F,Lima G,Heitman J,Ianiri G

更新日期：2021-01-15 00:00:00

abstract：:We report here a biochemical study of resistance to azole antifungal agents in a field isolate (S-27) of a fungal phytopathogen. Isolates of Septoria tritici were compared in vitro, and their responses reflected that observed in the field, with S-27 exhibiting resistance relative to RL2. In untreated cultures, both RL...

journal_title：Applied and environmental microbiology

authors： Joseph-Horne T,Hollomon D,Manning N,Kelly SL

更新日期：1996-01-01 00:00:00

abstract：:Listeria monocytogenes can cause the serious infection listeriosis, which despite antibiotic treatment has a high mortality. Understanding the response of L. monocytogenes to antibiotic exposure is therefore important to ensure treatment success. Some bacteria survive antibiotic treatment by formation of persisters, w...

journal_title：Applied and environmental microbiology

authors： Knudsen GM,Ng Y,Gram L

更新日期：2013-12-01 00:00:00

abstract：:Seawater enrichments of marine bacteria clustered in 20- to 50-(mu)m-wide bands near air-water interfaces. The cells within the band travelled at up to 212 (mu)m s(sup-1) and at an average speed of 163 (mu)m s(sup-1). Mean cell speeds peaked mid-run at 187 (mu)m s(sup-1). At the end of the run, bacteria reversed direc...

journal_title：Applied and environmental microbiology

authors： Mitchell JG,Pearson L,Dillon S

更新日期：1996-10-01 00:00:00

abstract：:Twenty-seven Shiga toxin-producing Escherichia coli (STEC) strains were isolated from 207 stx-positive French environmental samples. Ten of these strains were positive for stx(1), and 24 were positive for stx(2) (10 were positive for stx(2vh-a) or stx(2vh-b), 19 were positive for stx(2d), and 15 were positive for stx(...

journal_title：Applied and environmental microbiology

authors： Vernozy-Rozand C,Montet MP,Bertin Y,Trably F,Girardeau JP,Martin C,Livrelli V,Beutin L

更新日期：2004-04-01 00:00:00

abstract：:The epiphytic fitness of Salmonella enterica was assessed on cilantro plants by using a strain of S. enterica serovar Thompson that was linked to an outbreak resulting from cilantro. Salmonella serovar Thompson had the ability to colonize the surface of cilantro leaves, where it was detected by confocal laser scanning...

journal_title：Applied and environmental microbiology

authors： Brandl MT,Mandrell RE

更新日期：2002-07-01 00:00:00

abstract：:The amino acid profiles, modified essential amino acid (MEAA) indexes, and in vitro pepsin digestibilities were determined for single-cell protein (SCP) from certain industrially important lactobacilli. For the three parameters examined, substantial differences were seen between different Lactobacillus species and bet...

journal_title：Applied and environmental microbiology

authors： Erdman MD,Bergen WG,Reddy CA

更新日期：1977-04-01 00:00:00

abstract：:To determine whether the pathogenic variant of Lyme disease spirochetes, isolate A14S, is perpetuated in a particular reservoir-vector relationship, we screened vector ticks in various Central European sites for a related spirochete and determined its host association. A14S-like spirochetes infect numerous questing ti...

journal_title：Applied and environmental microbiology

authors： Richter D,Schlee DB,Allgöwer R,Matuschka FR

更新日期：2004-11-01 00:00:00

abstract：:Proteorhodopsins (PRs) are widespread bacterial integral membrane proteins that function as light-driven proton pumps. Antarctic sea ice supports a complex community of autotrophic algae, heterotrophic bacteria, viruses, and protists that are an important food source for higher trophic levels in ice-covered regions of...

journal_title：Applied and environmental microbiology

authors： Koh EY,Atamna-Ismaeel N,Martin A,Cowie RO,Beja O,Davy SK,Maas EW,Ryan KG

更新日期：2010-09-01 00:00:00

abstract：:Mercury is a redox-active heavy metal that reacts with active thiols and depletes cellular antioxidants. Active resistance to the mercuric ion is a widely distributed trait among bacteria and results from the action of mercuric reductase (MerA). Protein phylogenetic analysis of MerA in bacteria indicated the occurrenc...

journal_title：Applied and environmental microbiology

authors： Simbahan J,Kurth E,Schelert J,Dillman A,Moriyama E,Jovanovich S,Blum P

更新日期：2005-12-01 00:00:00

abstract：:Electrophoretic karyotypes (EKs) of 83 isolates were variable within agricultural and natural populations of Sclerotinia sclerotiorum, as well as among S. sclerotiorum, Sclerotinia minor, and Sclerotinia trifoliorum. Variation in EKs was not observed within six mitotic or three meiotic lineages of isolates. EKs of 8 t...

journal_title：Applied and environmental microbiology

authors： Errampalli D,Kohn LM

更新日期：1996-11-01 00:00:00

abstract：:Thiosulfate dehydrogenase is known to play a significant role in thiosulfate oxidation in the acidophilic, obligately chemolithoautotroph, Acidithiobacillus ferrooxidans. Enzyme activity measured using ferricyanide as the electron acceptor was detected in cell extracts of A. ferrooxidans ATCC 23270 grown on tetrathion...

journal_title：Applied and environmental microbiology

authors： Kikumoto M,Nogami S,Kanao T,Takada J,Kamimura K

更新日期：2013-01-01 00:00:00

abstract：:In this study, we compared different methods-including transmission electron microscopy-and various nucleic acid labeling methods in which we used the fluorochromes 4',6'-diamidino-2-phenylindole (DAPI), 4-[3-methyl-2,3-dihydro-(benzo-1, 3-oxazole)-2-methylmethyledene]-1-(3'-trimethyl ammoniumpropyl)-quinilinium diioi...

journal_title：Applied and environmental microbiology

authors： Bettarel Y,Sime-Ngando T,Amblard C,Laveran H

更新日期：2000-06-01 00:00:00

abstract：:The possible origin of beef contamination and genetic diversity of Escherichia coli populations in beef cattle, on carcasses and ground beef, was examined by using random amplification of polymorphic DNA (RAPD) and PCR-restriction fragment length polymorphism (PCR-RFLP) analysis of the fliC gene. E. coli was recovered...

journal_title：Applied and environmental microbiology

authors： Aslam M,Nattress F,Greer G,Yost C,Gill C,McMullen L

更新日期：2003-05-01 00:00:00

abstract：:Mycelial culture of Pleurotus florida produced highest extracellular laccase in optimum growth medium. At least two laccases (L(inf1) and L(inf2)) were shown to be present in the culture filtrate. Low-laccase-yielding mutants with impaired L(inf2) activity had poor mycelial growth and could not form fruit body, wherea...

journal_title：Applied and environmental microbiology

authors： Das N,Sengupta S,Mukherjee M

更新日期：1997-10-01 00:00:00

abstract：:The aim of this work was to identify genes in Lactococcus lactis subsp. lactis IL1403 and Lactococcus lactis subsp. cremoris Wg2 important for adsorption of the 936-species phages bIL170 and phi 645, respectively. Random insertional mutagenesis of the two L. lactis strains was carried out with the vector pGh9:ISS1, an...

journal_title：Applied and environmental microbiology

authors： Dupont K,Janzen T,Vogensen FK,Josephsen J,Stuer-Lauridsen B

更新日期：2004-10-01 00:00:00

abstract：:The transmission of Escherichia coli O157:H7 from manure-contaminated soil and irrigation water to lettuce plants was demonstrated using laser scanning confocal microscopy, epifluorescence microscopy, and recovery of viable cells from the inner tissues of plants. E. coli O157:H7 migrated to internal locations in plant...

journal_title：Applied and environmental microbiology

authors： Solomon EB,Yaron S,Matthews KR

更新日期：2002-01-01 00:00:00

abstract：:Gram-positive rubber degraders such as Streptomyces sp. strain K30 cleave rubber [poly(cis-1,4-isoprene)] to low-molecular-mass oligoisoprenoid products with terminal keto and aldehyde groups by the secretion of a latex clearing protein (Lcp) designated rubber oxygenase. LcpK30 is a heme b cytochrome and has a domain ...

journal_title：Applied and environmental microbiology

authors： Röther W,Austen S,Birke J,Jendrossek D

更新日期：2016-10-27 00:00:00

abstract：:Since 2006, Geomyces destructans, the causative agent of white nose syndrome (WNS), has killed over 5.7 million bats in North America. The current hypothesis suggests that this novel fungus is an invasive species from Europe, but little is known about the diversity within the genus Geomyces and its distribution on bat...

journal_title：Applied and environmental microbiology

authors： Johnson LJ,Miller AN,McCleery RA,McClanahan R,Kath JA,Lueschow S,Porras-Alfaro A

更新日期：2013-09-01 00:00:00

abstract：:Copper resistance mechanisms provide an important adaptive advantage to plant pathogenic bacteria under exposure to copper treatments. Copper resistance determinants have been described in Pseudomonas syringae pv. syringae (Pss) strains isolated from mango intimately associated with 62 kb plasmids belonging to the pPT...

journal_title：Applied and environmental microbiology

authors： Aprile F,Heredia-Ponce Z,Cazorla FM,de Vicente A,Gutiérrez-Barranquero JA

更新日期：2020-12-23 00:00:00

abstract：:The induction of the inducible lysyl-tRNA synthetase, LysU, and the inducible lysine and arginine decarboxylases of Escherichia coli K-12 grown in AC broth to a pH of 5.5 or less is temperature dependent, being distinctly lower at 24 than at 37 degrees C. This induction does not appear to be under HtpR control. ...

journal_title：Applied and environmental microbiology

authors： Hassani M,Pincus DH,Bennett GN,Hirshfield IN

更新日期：1992-08-01 00:00:00