Effects of surface area and flow rate on marine bacterial growth in activated carbon columns.

abstract：:Thirty-nine isolates of fungi obtained from foodstuffs and soil samples from various parts of the world have been identified. The isolates were grown on a solid rice medium, and extracts were prepared with 50% aqueous methanol. The extracts were examined for toxicity in the following systems: (i) cytotoxicity to cultu...

journal_title：Applied and environmental microbiology

authors： Abbas HK,Mirocha CJ,Shier WT

更新日期：1984-09-01 00:00:00

abstract：:A field evaluation of double violet agar for the isolation and presumptive identification of Klebsiella pneumoniae from water has been performed. Water from the North Oconee River, Clarke County, Ga., was cultured for presence of klebsiellae using the membrane filter technique. Colonies were presumptively identified a...

journal_title：Applied and environmental microbiology

authors： Campbell LM,Roth IL,Klein RD

更新日期：1976-02-01 00:00:00

abstract：:We have developed a microtiter plate method for screening a large number of bacterial isolates for the ability to grow on different crystalline polycyclic aromatic hydrocarbons (PAHs). Growth on PAHs cannot easily be determined with standard growth assays because of the very low aqueous solubility and bioavailability ...

journal_title：Applied and environmental microbiology

authors： Johnsen AR,Bendixen K,Karlson U

更新日期：2002-06-01 00:00:00

abstract：:Colletotrichum trifolii is the causative organism of alfalfa anthracnose. We previously cloned and characterized the small prototypical G protein, Ras, of C. trifolii, which is involved in the signaling pathways that mediate interaction between the pathogen and its host. Transformants expressing constitutively active ...

journal_title：Applied and environmental microbiology

authors： Memmott SD,Ha YS,Dickman MB

更新日期：2002-04-01 00:00:00

abstract：:Lipopolysaccharides (LPS) were isolated from four species of cyanobacteria (Anabaena flos-aquae UTEX 1444. A. cylindrica, Oscillatoria tenuis, and O. brevis) frequently occurring in drinking-water supplies. The cyanobacterial LPS contained glucose, xylose, mannose, and rhamnose, but differed from the LPS derived from ...

journal_title：Applied and environmental microbiology

authors： Keleti G,Sykora JL

更新日期：1982-01-01 00:00:00

abstract：:Malonyl-coenzyme A (CoA) decarboxylase, malonyl-CoA synthetase, and malonate transporter mutants of Rhizobium leguminosarum bv. viciae and trifolii fixed N2 at wild-type rates on pea and clover, respectively. Thus, malonate does not drive N2 fixation in legume nodules. ...

journal_title：Applied and environmental microbiology

authors： Karunakaran R,East AK,Poole PS

更新日期：2013-07-01 00:00:00

abstract：:Heavy metal resistance by bacteria is a topic of much importance to the bioremediation of contaminated soils and sediments. We report here the isolation of a highly cadmium-resistant Klebsiella planticola strain, Cd-1, from reducing salt marsh sediments. The strain grows in up to 15 mM CdCl(2) under a wide range of Na...

journal_title：Applied and environmental microbiology

authors： Sharma PK,Balkwill DL,Frenkel A,Vairavamurthy MA

更新日期：2000-07-01 00:00:00

abstract：:Bacillus subtilis induces expression of the gene ytnP in the presence of the antimicrobial streptomycin, produced by the Gram-positive bacterium Streptomyces griseus. ytnP encodes a lactonase-homologous protein that is able to inhibit the signaling pathway required for the streptomycin production and development of ae...

journal_title：Applied and environmental microbiology

authors： Schneider J,Yepes A,Garcia-Betancur JC,Westedt I,Mielich B,López D

更新日期：2012-01-01 00:00:00

abstract：:Aspergillus niger is known for its efficient excretion machinery. However, problems have often arisen in obtaining high amounts of heterologous proteins in the culture medium. Here we present a quick method using sandwiched colonies to evaluate transgenic strains for secretion of heterologous proteins. Expressing the ...

journal_title：Applied and environmental microbiology

authors： Asgeirsdóttir SA,Scholtmeijer K,Wessels JG

更新日期：1999-05-01 00:00:00

abstract：:Confocal scanning laser microscopy (CSLM) was used to demonstrate the attachment of Escherichia coli O157:H7 transformed with a plasmid encoding for green fluorescent protein (GFP) to the surface and within the internal structures of nonwaxed Red Delicious cv. apples. Apples at 2 or 25 degrees C were inoculated with a...

journal_title：Applied and environmental microbiology

authors： Burnett SL,Chen J,Beuchat LR

更新日期：2000-11-01 00:00:00

abstract：:In studies designed to determine the factors responsible for control of herpesvirus replicaton in an infected cell, we examined the interaction of varicella-zoster (VZ) virus-infected human embryonic lung cells with the pesticide carbaryl. The replication of the cell-associated VZ virus was enhanced 2- to 13-fold as c...

journal_title：Applied and environmental microbiology

authors： Abrahamsen LH,Jerkofsky M

更新日期：1981-03-01 00:00:00

abstract：:Bacterial growth in biofilms is the major cause of recalcitrant biofouling in industrial processes and of persistent infections in clinical settings. The use of bacteriophage treatment to lyse bacteria in biofilms has attracted growing interest. In particular, many natural or engineered phages produce depolymerases to...

journal_title：Applied and environmental microbiology

authors： Pei R,Lamas-Samanamud GR

更新日期：2014-09-01 00:00:00

abstract：:Population analyses in water samples obtained from the chemocline of crenogenic, meromictic Lake Cadagno, Switzerland, in October for the years 1994 to 2003 were studied using in situ hybridization with specific probes. During this 10-year period, large shifts in abundance between purple and green sulfur bacteria and ...

journal_title：Applied and environmental microbiology

authors： Tonolla M,Peduzzi R,Hahn D

更新日期：2005-07-01 00:00:00

abstract：:We investigated associations of species of the Bacteroides fragilis group with Japanese cedar pollinosis (JCPsis). Cell numbers of Bacteroides fragilis and Bacteroides intestinalis were significantly higher in JCPsis subjects than in non-JCPsis subjects before the pollen season. They correlated positively with both sy...

journal_title：Applied and environmental microbiology

authors： Odamaki T,Xiao JZ,Sakamoto M,Kondo S,Yaeshima T,Iwatsuki K,Togashi H,Enomoto T,Benno Y

更新日期：2008-11-01 00:00:00

abstract：:Water samples from rivers, streams, ponds, and activated sewage were tested for the presence of bacteria which utilize 2,4-dichlorophenoxyacetic acid (2,4-D) as a sole source of carbon. Seventy percent of the attempted enrichments yielded pure cultures of 2,4-D-metabolizing bacteria. All but 1 of the 30 isolates were ...

journal_title：Applied and environmental microbiology

authors： Amy PS,Schulke JW,Frazier LM,Seidler RJ

更新日期：1985-05-01 00:00:00

abstract：:Phage therapy is being reexamined as a strategy for bacterial control in medical and other environments. As microorganisms often live in mixed populations, we examined the effect of Escherichia coli bacteriophage λW60 and Pseudomonas aeruginosa bacteriophage PB-1 infection on the viability of monoculture and mixed-spe...

journal_title：Applied and environmental microbiology

authors： Kay MK,Erwin TC,McLean RJ,Aron GM

更新日期：2011-02-01 00:00:00

abstract：:The genus Burkholderia includes over 60 species isolated from a wide range of environmental niches and can be tentatively divided into two major species clusters. The first cluster includes pathogens such as Burkholderia glumae, B. pseudomallei, and B. mallei and 17 well-studied species of the Burkholderia cepacia com...

journal_title：Applied and environmental microbiology

authors： Suárez-Moreno ZR,Devescovi G,Myers M,Hallack L,Mendonça-Previato L,Caballero-Mellado J,Venturi V

更新日期：2010-07-01 00:00:00

abstract：:Receptors on the cell surfaces of bacterial hosts are essential during the infection cycle of bacteriophages. To date, the phage receptors of the industrial relevant dairy starter bacterium Streptococcus thermophilus remain elusive. Thus, we set out to identify cell surface structures that are involved in host recogni...

journal_title：Applied and environmental microbiology

authors： Szymczak P,Filipe SR,Covas G,Vogensen FK,Neves AR,Janzen T

更新日期：2018-11-15 00:00:00

abstract：:We recently described a new method to activate antibiotic production in bacteria by introducing a mutation conferring resistance to a drug such as streptomycin, rifampin, paromomycin, or gentamicin. This method, however, enhanced antibiotic production by only up to an order of magnitude. Working with Streptomyces coel...

journal_title：Applied and environmental microbiology

authors： Wang G,Hosaka T,Ochi K

更新日期：2008-05-01 00:00:00

abstract：:The composition of phospholipids from Mycobacterium convolutum R22 was determined after growth at two temperatures (20 and 30 degrees C) with 1-chlorohexadecane as the substrate. Comparisons were made with the phospholipids of cells grown on n-hexadecane. Phosphatidylinositolmannosides and phosphatidylethanolamine (PE...

journal_title：Applied and environmental microbiology

authors： Murphy GL,Perry JJ

更新日期：1987-01-01 00:00:00

abstract：:The goal of this field study was to provide insight into three distinct populations of microorganisms involved in in situ metabolism of phenol. Our approach measured 13CO2 respired from [13C]phenol and stable isotope probing (SIP) of soil DNA at an agricultural field site. Traditionally, SIP-based investigations have ...

journal_title：Applied and environmental microbiology

authors： DeRito CM,Pumphrey GM,Madsen EL

更新日期：2005-12-01 00:00:00

abstract：:Until recently, Amblyomma maculatum (the Gulf Coast tick) had garnered little attention compared to other species of human-biting ticks in the United States. A. maculatum is now recognized as the principal vector of Rickettsia parkeri, a pathogenic spotted fever group rickettsia (SFGR) that causes an eschar-associated...

journal_title：Applied and environmental microbiology

authors： Paddock CD,Fournier PE,Sumner JW,Goddard J,Elshenawy Y,Metcalfe MG,Loftis AD,Varela-Stokes A

更新日期：2010-05-01 00:00:00

abstract：:Proteorhodopsin (PR), a photoactive proton pump containing retinal, is present in approximately half of all bacteria in the ocean, but its physiological role is still unclear, since very few strains carrying the PR gene have been cultured. The aim of this work was to characterize PR diversity in a North Sea water samp...

journal_title：Applied and environmental microbiology

authors： Riedel T,Tomasch J,Buchholz I,Jacobs J,Kollenberg M,Gerdts G,Wichels A,Brinkhoff T,Cypionka H,Wagner-Döbler I

更新日期：2010-05-01 00:00:00

abstract：:A trans unsaturated fatty acid was found as a major constituent in the lipids of Pseudomonas putida P8. The fatty acid was identified as 9-trans-hexadecenoic acid by gas chromatography, argentation thin-layer chromatography, and infrared absorption spectrometry. Growing cells of P. putida P8 reacted to the presence of...

journal_title：Applied and environmental microbiology

authors： Heipieper HJ,Diefenbach R,Keweloh H

更新日期：1992-06-01 00:00:00

abstract：:Sporulation of Bacillus larvae NRRL B-3650 occurred only at aeration rates lower than those used for cultivation of most Bacillus species. One possible explanation for the requirement for a low level of aeration in B. larvae is that toxic forms of oxygen such as H(2)O(2) and superoxide are involved. The superoxide dis...

journal_title：Applied and environmental microbiology

authors： Dingman DW,Stahly DP

更新日期：1984-06-01 00:00:00

abstract：:The biosynthesis of the major carotenoid spirilloxanthin by the purple nonsulfur bacterium Rhodospirillum rubrum is thought to occur via a linear pathway proceeding through phytoene and, later, lycopene as intermediates. This assumption is based solely on early chemical evidence (B. H. Davies, Biochem. J. 116:93-99, 1...

journal_title：Applied and environmental microbiology

authors： Wang GS,Grammel H,Abou-Aisha K,Sägesser R,Ghosh R

更新日期：2012-10-01 00:00:00

abstract：:"Dehalococcoides ethenogenes" 195 can reductively dechlorinate tetrachloroethene (PCE) completely to ethene (ETH). When PCE-grown strain 195 was transferred (2% [vol/vol] inoculum) into growth medium amended with trichloroethene (TCE), cis-dichloroethene (DCE), 1,1-DCE, or 1,2-dichloroethane (DCA) as an electron accep...

journal_title：Applied and environmental microbiology

authors： Maymó-Gatell X,Anguish T,Zinder SH

更新日期：1999-07-01 00:00:00

abstract：:Recent declines in bumble bee populations are of great concern and have prompted critical evaluations of the role of pathogen introductions and host resistance in bee health. One factor that may influence host resilience when facing infection is the gut microbiota. Previous experiments with Bombus terrestris, a Europe...

journal_title：Applied and environmental microbiology

authors： Mockler BK,Kwong WK,Moran NA,Koch H

更新日期：2018-03-19 00:00:00

abstract：:The lactose operon from Lactobacillus casei is regulated by very tight glucose repression and substrate induction mechanisms, which made it a tempting candidate system for the expression of foreign genes or metabolic engineering. An integrative vector was constructed, allowing stable gene insertion in the chromosomal ...

journal_title：Applied and environmental microbiology

authors： Gosalbes MJ,Esteban CD,Galán JL,Pérez-Martínez G

更新日期：2000-11-01 00:00:00

abstract：:The filamentous, nitrogen-fixing cyanobacterium Anabaena sp. strain PCC 7120 accumulates sucrose as a compatible solute against salt stress. Sucrose-phosphate synthase activity, which is responsible for the sucrose synthesis, is increased by salt stress, but the mechanism underlying the regulation of sucrose synthesis...

journal_title：Applied and environmental microbiology

authors： Ehira S,Kimura S,Miyazaki S,Ohmori M

更新日期：2014-09-01 00:00:00