Phomenoic acid and phomenolactone, antifungal substances from Phoma lingam (Tode) Desm.: kinetics of their biosynthesis, with an optimization of the isolation procedures.

abstract：:To elevate the production level of heterologous polyketide in Streptomyces venezuelae, an additional copy of the positive regulatory gene pikD was introduced into the pikromycin (Pik) polyketide synthase (PKS) deletion mutant of S. venezuelae ATCC 15439 expressing tylosin PKS genes. The resulting mutant strain showed ...

journal_title：Applied and environmental microbiology

authors： Jung WS,Jeong SJ,Park SR,Choi CY,Park BC,Park JW,Yoon YJ

更新日期：2008-04-01 00:00:00

abstract：:Plant surfaces, colonized by numerous and diverse bacterial species, are often considered hot spots for horizontal gene transfer (HGT) between plants and bacteria. Plant DNA released during the degradation of plant tissues can persist and remain biologically active for significant periods of time, suggesting that soil...

journal_title：Applied and environmental microbiology

authors： Pontiroli A,Rizzi A,Simonet P,Daffonchio D,Vogel TM,Monier JM

更新日期：2009-05-01 00:00:00

abstract：:Oil field bacteria were characterized by cloning and sequencing of PCR-amplified 16S rRNA genes. A variety of gram-negative, sulfate-reducing bacteria was detected (16 members of the family Desulfovibrionaceae and 8 members of the family Desulfobacteriaceae). In contrast, a much more limited number of anaerobic, ferme...

journal_title：Applied and environmental microbiology

authors： Voordouw G,Armstrong SM,Reimer MF,Fouts B,Telang AJ,Shen Y,Gevertz D

更新日期：1996-05-01 00:00:00

abstract：:A census of clean room surface-associated bacterial populations was derived from the results of both the cloning and sequencing of 16S rRNA genes and DNA microarray (PhyloChip) analyses. Samples from the Lockheed Martin Aeronautics Multiple Testing Facility (LMA-MTF), the Kennedy Space Center Payload Hazard and Servic...

journal_title：Applied and environmental microbiology

authors： La Duc MT,Osman S,Vaishampayan P,Piceno Y,Andersen G,Spry JA,Venkateswaran K

更新日期：2009-10-01 00:00:00

abstract：:Fungal multicopper oxidases have many potential industrial applications, since they perform reactions under mild conditions. We isolated a phenol oxidase from the fungus Acremonium murorum var. murorum that was capable of decolorizing plant chromophores (such as anthocyanins). This enzyme is of interest in laundry-cle...

journal_title：Applied and environmental microbiology

authors： Gouka RJ,van der Heiden M,Swarthoff T,Verrips CT

更新日期：2001-06-01 00:00:00

abstract：:The consumption of acetate in soils taken from a nutrient gradient in the northern Florida Everglades was studied by stable isotope probing. Bacterial and archaeal 16S rRNA gene clone libraries from eutrophic and oligotrophic soil microcosms strongly suggest that a significant amount of acetate is consumed by syntroph...

journal_title：Applied and environmental microbiology

authors： Chauhan A,Ogram A

更新日期：2006-10-01 00:00:00

abstract：:Drinking water quality management requires early warning tools which enable water supply companies to detect quickly and to forecast degradation of the microbial quality of drinking water during its transport throughout distribution systems. This study evaluated the feasibility of assessing, in real time, drinking wat...

journal_title：Applied and environmental microbiology

authors： Delille A,Quilès F,Humbert F

更新日期：2007-09-01 00:00:00

abstract：:Dairy propionic acid bacteria, particularly the species Propionibacterium freudenreichii, play a major role in the ripening of Swiss type cheese. Isometric and filamentous bacteriophages infecting P. freudenreichii have previously been isolated from cheese. In order to determine the origin of these bacteriophages, lys...

journal_title：Applied and environmental microbiology

authors： Hervé C,Coste A,Rouault A,Fraslin JM,Gautier M

更新日期：2001-01-01 00:00:00

abstract：:Healthy calves (n = 96, 1 to 9 weeks old) from a dairy herd in central Pennsylvania were examined each month over a five-month period for fecal shedding of ceftiofur-resistant gram-negative bacteria. Ceftiofur-resistant Escherichia coli isolates (n = 122) were characterized by antimicrobial resistance (disk diffusion ...

journal_title：Applied and environmental microbiology

authors： Donaldson SC,Straley BA,Hegde NV,Sawant AA,DebRoy C,Jayarao BM

更新日期：2006-06-01 00:00:00

abstract：:Transfer of plasmid-borne antibiotic resistance genes in Escherichia coli wild-type strains is possible by transformation under naturally occurring conditions in oligotrophic, aquatic environments containing physiologic concentrations of calcium. In contrast, transformation is suppressed in nitrogen-rich body fluids l...

journal_title：Applied and environmental microbiology

authors： Woegerbauer M,Jenni B,Thalhammer F,Graninger W,Burgmann H

更新日期：2002-01-01 00:00:00

abstract：:In Pseudomonas aeruginosa, the catabolite repression control (Crc) protein repressed the formation of the blue pigment pyocyanin in response to a preferred carbon source (succinate) by interacting with phzM mRNA, which encodes a key enzyme in pyocyanin biosynthesis. Crc bound to an extended imperfect recognition seque...

journal_title：Applied and environmental microbiology

authors： Huang J,Sonnleitner E,Ren B,Xu Y,Haas D

更新日期：2012-07-01 00:00:00

abstract：:Addition of sodium isoascorbate to the formulation for perishable canned comminuted cured meat markedly enhanced the efficacy of nitrite against Clostridium botulinum. This effect was reproducible through a series of three tests. In one test it was found that the initial addition of 50 microgram of sodium nitrite per ...

journal_title：Applied and environmental microbiology

authors： Tompkin RB,Christiansen LN,Shaparis AB

更新日期：1978-01-01 00:00:00

abstract：:The basidiomycetous genus Wallemia is an active inhabitant of hypersaline environments, and it has recently been described as comprising three halophilic and xerophilic species: Wallemia ichthyophaga, Wallemia muriae, and Wallemia sebi. Considering the important protective role the fungal cell wall has under fluctuati...

journal_title：Applied and environmental microbiology

authors： Kralj Kuncic M,Kogej T,Drobne D,Gunde-Cimerman N

更新日期：2010-01-01 00:00:00

abstract：:The ultrasonic determination of microbial population was carried out by using a new apparatus composed of two piezoelectric membranes. When the apparatus was immersed in a medium containing cells and an arbitrary voltage was charged on a piezoelectric membrane, an output voltage was obtained from the other membrane. T...

journal_title：Applied and environmental microbiology

authors： Ishimori Y,Karube I,Suzuki S

更新日期：1981-10-01 00:00:00

abstract：:Oxolinic acid (OA), a quinolone, inhibits the activity of DNA gyrase composed of GyrA and GyrB and shows antibacterial activity against Burkholderia glumae. Since B. glumae causes bacterial seedling rot and grain rot of rice, both of which are devastating diseases, the emergence of OA-resistant bacteria has important ...

journal_title：Applied and environmental microbiology

authors： Maeda Y,Kiba A,Ohnishi K,Hikichi Y

更新日期：2004-09-01 00:00:00

abstract：:[This corrects the article on p. 483 in vol. 37.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1979-09-01 00:00:00

abstract：:Laccases couple the oxidation of phenolic compounds to the reduction of molecular oxygen and thus span a wide variety of applications. While laccases of eukaryotes and bacteria are well characterized, these enzymes have not been described in archaea. Here, we report the purification and characterization of a laccase (...

journal_title：Applied and environmental microbiology

authors： Uthandi S,Saad B,Humbard MA,Maupin-Furlow JA

更新日期：2010-02-01 00:00:00

abstract：:Spent sulfite liquor (SSL) is a waste effluent from sulfite pulping that contains monomeric sugars which can be fermented to ethanol. However, fermentative yeasts used for the fermentation of the sugars in SSL are adversely affected by the inhibitory substances in this complex feedstock. To overcome this limitation, e...

journal_title：Applied and environmental microbiology

authors： Pinel D,D'Aoust F,del Cardayre SB,Bajwa PK,Lee H,Martin VJ

更新日期：2011-07-01 00:00:00

abstract：:The widespread use and relative persistence of s-triazine compounds such as atrazine and simazine have led to increasing concern about environmental contamination by these compounds. Few microbial isolates capable of transforming substituted s-triazines have been identified. Rhodococcus corallinus NRRL B-15444 has pre...

journal_title：Applied and environmental microbiology

authors： Mulbry WW

更新日期：1994-02-01 00:00:00

abstract：:Studies of small noncoding RNAs (sRNAs) have been conducted predominantly using culturable organisms, and the acquisition of further information about sRNAs from global environments containing uncultured organisms now is very important. In this study, hot spring water (57°C, pH 8.1) was collected directly from the und...

journal_title：Applied and environmental microbiology

authors： Murakami S,Fujishima K,Tomita M,Kanai A

更新日期：2012-02-01 00:00:00

abstract：:To examine the relationship between activated-sludge bulking and levels of specific filamentous bacteria, we developed a statistics-based quantification method for estimating the biomass levels of specific filaments using 16S rRNA-targeted fluorescent in situ hybridization (FISH) probes. The results of quantitative FI...

journal_title：Applied and environmental microbiology

authors： Liao J,Lou I,de los Reyes FL 3rd

更新日期：2004-04-01 00:00:00

abstract：:Although there have been several reports on the efficacy assessment of a Salmonella enterica serovar Enteritidis vaccine against intestinal and parenchymatous organ diseases of laying hens, no public health risk characterization of its long-term effect on eggs has been reported. In this study, we attempted to assess t...

journal_title：Applied and environmental microbiology

authors： Toyota-Hanatani Y,Ekawa T,Ohta H,Igimi S,Hara-Kudo Y,Sasai K,Baba E

更新日期：2009-02-01 00:00:00

abstract：:Cultures of the newly isolated bacterial strains AD20, AD25, and AD27, identified as strains of Ancylobacter aquaticus, were capable of growth on 1,2-dichloroethane (DCE) as the sole carbon and energy source. These strains, as well as two other new DCE utilizers, were facultative methylotrophs and were also able to gr...

journal_title：Applied and environmental microbiology

authors： van den Wijngaard AJ,van der Kamp KW,van der Ploeg J,Pries F,Kazemier B,Janssen DB

更新日期：1992-03-01 00:00:00

abstract：:High-performance liquid chromatography with a cation-exchange resin-packed column was used to determine fermentation products of several known and unknown Clostridium species. The column was operated at 30 degrees C, and isocratic elution was done with 0.013 N H(2)SO(4). Sample preparation for high-performance liquid ...

journal_title：Applied and environmental microbiology

authors： Ehrlich GG,Goerlitz DF,Bourell JH,Eisen GV,Godsy EM

更新日期：1981-11-01 00:00:00

abstract：:A molecular method based on restriction fragment length polymorphism (RFLP) of PCR-amplified fragments of the 23S rRNA gene was designed to rapidly identify Listeria strains to the species level. Two fragments (S1, 460 bp, and S2, 890 bp) were amplified from boiled DNA. S2 was cut with the restriction enzymes XmnI or ...

journal_title：Applied and environmental microbiology

authors： Paillard D,Dubois V,Duran R,Nathier F,Guittet C,Caumette P,Quentin C

更新日期：2003-11-01 00:00:00

abstract：:Microbial transformation of the antimelanoma agent betulinic acid was studied. The main objective of this study was to utilize microorganisms as in vitro models to predict and prepare potential mammalian metabolites of this compound. Preparative-scale biotransformation with resting-cell suspensions of Bacillus megater...

journal_title：Applied and environmental microbiology

authors： Chatterjee P,Kouzi SA,Pezzuto JM,Hamann MT

更新日期：2000-09-01 00:00:00

abstract：:Gram-positive bacteria of the genus Exiguobacterium have been repeatedly isolated from Siberian permafrost ranging in age from 20,000 to 2 to 3 million years and have been sporadically recovered from markedly diverse habitats, including microbial mats in Lake Fryxell (Antarctic), surface water, and food-processing env...

journal_title：Applied and environmental microbiology

authors： Vishnivetskaya TA,Kathariou S

更新日期：2005-11-01 00:00:00

abstract：:Fourteen different broth media were autoclaved under anaerobic conditions and then exposed to atmospheric oxygen. The hydrogen peroxide and superoxide radical formation as well as the bactericidal effect of the media were studied. The rate of killing of Peptostreptococcus anaerobius VPI 4330-1 was high in media that r...

journal_title：Applied and environmental microbiology

authors： Carlsson J,Nyberg G,Wrethén J

更新日期：1978-08-01 00:00:00

abstract：:A method for the rapid lysis of Listeria cells, employing a recombinant Listeria bacteriophage A118 lytic enzyme (PLY118), is described. The procedure can be used with all listerial species. It enables fast, efficient, and gentle recovery of DNA, RNA, or native cellular proteins from small-scale (2- to 5-ml) cultures....

journal_title：Applied and environmental microbiology

authors： Loessner MJ,Schneider A,Scherer S

更新日期：1995-03-01 00:00:00

abstract：:Mass spectrometric measurement of carbon dioxide production was used to study malolactic fermentation (MLF) in Lactobacillus collinoides isolated from cider. The kinetics and stereospecificity of the malolactic enzyme (MLE) were studied, and the stoichiometry of the reaction sequence was investigated. The optimum pH f...

journal_title：Applied and environmental microbiology

authors： Arthurs CE,Lloyd D

更新日期：1999-08-01 00:00:00