Frequency and distribution of tetracycline resistance genes in genetically diverse, nonselected, and nonclinical Escherichia coli strains isolated from diverse human and animal sources.

abstract：:A variety of lactic acid bacteria, isolated from plant surfaces and plant-associated products, were found to be antagonistic to test strains of the phytopathogens Xanthomonas campestris, Erwinia carotovora, and Pseudomonas syringae. Effective "in vitro" inhibition was found both on agar plates and in broth cultures. I...

journal_title：Applied and environmental microbiology

authors： Visser R,Holzapfel WH,Bezuidenhout JJ,Kotzé JM

更新日期：1986-09-01 00:00:00

abstract：:Cryptosporidium is a genus of waterborne protozoan parasites that causes significant gastrointestinal disease in humans. These parasites can accumulate in environmental biofilms and be subsequently released to contaminate water supplies. Natural microbial assemblages were collected each season from an eastern Pennsylv...

journal_title：Applied and environmental microbiology

authors： Wolyniak EA,Hargreaves BR,Jellison KL

更新日期：2010-02-01 00:00:00

abstract：:Soil salinization is a growing threat to global agriculture and carbon sequestration, but to date it remains unclear how microbial processes will respond. We studied the acute response to salt exposure of a range of anabolic and catabolic microbial processes, including bacterial (leucine incorporation) and fungal (ace...

journal_title：Applied and environmental microbiology

authors： Rath KM,Maheshwari A,Bengtson P,Rousk J

更新日期：2016-01-22 00:00:00

abstract：:The effects of mineral fertilizer (NPK) and organic manure on the community structure of soil ammonia-oxidizing bacteria (AOB) was investigated in a long-term (16-year) fertilizer experiment. The experiment included seven treatments: organic manure, half organic manure N plus half fertilizer N, fertilizer NPK, fertili...

journal_title：Applied and environmental microbiology

authors： Chu H,Fujii T,Morimoto S,Lin X,Yagi K,Hu J,Zhang J

更新日期：2007-01-01 00:00:00

abstract：:The antimicrobial activities of sucrose monolaurate and a novel ester, lactose monolaurate (LML), were tested. Gram-positive bacteria were more susceptible than Gram-negative bacteria to both esters. The minimal bactericidal concentrations of LML were 5 to 9.5 mM for Listeria monocytogenes isolates and 0.2 to 2 mM for...

journal_title：Applied and environmental microbiology

authors： Wagh A,Shen S,Shen FA,Miller CD,Walsh MK

更新日期：2012-05-01 00:00:00

abstract：:Of 199 fungal cultures isolated from some of the common cereals collected from different parts of Uttar Pradesh and Madhya Pradesh, 70 produced toxic metabolites. Of the 70 fungi isolated, 59 produced toxins which caused visible lesions in livers, kidneys, and spleens but did not cause mortality. Toxicity, graded in t...

journal_title：Applied and environmental microbiology

authors： Gupta J,Pathak B,Sethi N,Vora VC

更新日期：1981-03-01 00:00:00

abstract：:Two genes, accB and accE, that form part of the same operon, were cloned from Streptomyces coelicolor A3(2). AccB is homologous to the carboxyl transferase domain of several propionyl coezyme A (CoA) carboxylases and acyl-CoA carboxylases (ACCases) of actinomycete origin, while AccE shows no significant homology to an...

journal_title：Applied and environmental microbiology

authors： Rodríguez E,Banchio C,Diacovich L,Bibb MJ,Gramajo H

更新日期：2001-09-01 00:00:00

abstract：:Cytolethal distending toxins (CDT) are potent cytotoxins of several Gram-negative pathogenic bacteria, including Escherichia coli, in which five types (CDT-I to CDT-V) have been identified so far. CDT-V is frequently associated with Shiga-toxigenic E. coli (STEC), enterohemorrhagic E. coli (EHEC) O157 strains, and str...

journal_title：Applied and environmental microbiology

authors： Sváb D,Horváth B,Maróti G,Dobrindt U,Tóth I

更新日期：2013-08-01 00:00:00

abstract：:The combination of ecological diversity with genetic and experimental tractability makes Drosophila a powerful model for the study of animal-associated microbial communities. Despite the known importance of yeasts in Drosophila physiology, behavior, and fitness, most recent work has focused on Drosophila-bacterial int...

journal_title：Applied and environmental microbiology

authors： Chandler JA,Eisen JA,Kopp A

更新日期：2012-10-01 00:00:00

abstract：:Maximum yields of amylase were produced by the thermophilic actinomycete Thermomonospora viridis in a modified Simpson and McCoy medium containing 1.5% corn starch and 0.5% mycological peptone with an initial pH 7.0. Best yields of amylase were obtained after incubation for 48 h, when the pH of the medium had risen to...

journal_title：Applied and environmental microbiology

authors： Upton ME,Fogarty WM

更新日期：1977-01-01 00:00:00

abstract：:Rhodobacter capsulatus E1F1, a phototrophic purple nonsulfur bacterium capable of photoassimilating nitrate or nitrite, grew phototrophically in the presence of mono- and dinitrophenols with acetate as a carbon source, the highest growth levels being obtained under microaerobic conditions. Utilization of 2,4-dinitroph...

journal_title：Applied and environmental microbiology

authors： Blasco R,Castillo F

更新日期：1992-02-01 00:00:00

abstract：:n-Alkanes are ubiquitous in nature and are widely used by microorganisms as carbon sources. Alkane hydroxylation by alkane monooxygenases is a critical step in the aerobic biodegradation of n-alkanes, which plays important roles in natural alkane attenuation and is used in industrial and environmental applications. Th...

journal_title：Applied and environmental microbiology

authors： Liang JL,Gao Y,He Z,Nie Y,Wang M,JiangYang JH,Zhang XC,Shu WS,Wu XL

更新日期：2017-10-17 00:00:00

abstract：:Citrus canker, caused by Xanthomonas citri pv. citri, is a serious disease of citrus plants worldwide. Earlier phylogenetic studies using housekeeping genes revealed that X. citri pv. citri is related to many other pathovars, which can be collectively referred as Xanthomonas citri pathovars (XCPs). From the present st...

journal_title：Applied and environmental microbiology

authors： Bansal K,Midha S,Kumar S,Patil PB

更新日期：2017-04-17 00:00:00

abstract：:Communities of ammonia-oxidizing archaea (AOA) and bacteria (AOB) in freshwater sediments and those in association with the root system of the macrophyte species Littorella uniflora, Juncus bulbosus, and Myriophyllum alterniflorum were compared for seven oligotrophic to mesotrophic softwater lakes and acidic heathland...

journal_title：Applied and environmental microbiology

authors： Herrmann M,Saunders AM,Schramm A

更新日期：2009-05-01 00:00:00

abstract：:In natural environments such as anaerobic digesters, bacteria are frequently subjected to the stress of nutrient fluxes because of the continual changes in the flow of nutrients, and to survive, they must be capable of adapting readily to nutrient changes. In this study, the metabolic activities of Escherichia coli, S...

journal_title：Applied and environmental microbiology

authors： Kearney TE,Larkin MJ,Levett PN

更新日期：1994-10-01 00:00:00

abstract：:Two Baeyer-Villiger monooxygenases (BVMOs), designated BoBVMO and AmBVMO, were discovered from Bradyrhizobium oligotrophicum and Aeromicrobium marinum, respectively. Both monooxygenases displayed novel features for catalyzing the asymmetric sulfoxidation of bulky and pharmaceutically relevant thioethers. Evolutionary ...

journal_title：Applied and environmental microbiology

authors： Zhang Y,Liu F,Xu N,Wu YQ,Zheng YC,Zhao Q,Lin G,Yu HL,Xu JH

更新日期：2018-07-02 00:00:00

abstract：:Thermoanaerobacter sp. strain X514 has great potential in biotechnology due to its capacity to ferment a range of C(5) and C(6) sugars to ethanol and other metabolites under thermophilic conditions. This study investigated the central metabolism of strain X514 via (13)C-labeled tracer experiments using either glucose ...

journal_title：Applied and environmental microbiology

authors： Feng X,Mouttaki H,Lin L,Huang R,Wu B,Hemme CL,He Z,Zhang B,Hicks LM,Xu J,Zhou J,Tang YJ

更新日期：2009-08-01 00:00:00

abstract：:The arginine deiminase system was found to function in protecting bacterial cells against the damaging effects of acid environments. For example, as little as 2.9 mM arginine added to acidified suspensions of Streptococcus sanguis at a pH of 4.0 resulted in ammonia production and protection against killing. The argini...

journal_title：Applied and environmental microbiology

authors： Casiano-Colón A,Marquis RE

更新日期：1988-06-01 00:00:00

abstract：:Addition of 2 mg of Pb2+/g of soil concident with or after amendment with starch or maltose resulted in 75 and 50% decreases in net synthesis of amylase and alpha-glucosidase, respectively. Invertase synthesis in sucrose-amended soil was transiently reduced after Pb2+ addition. Amylase activity was several times less ...

journal_title：Applied and environmental microbiology

authors： Cole MA

更新日期：1977-02-01 00:00:00

abstract：:Four bacteria, Bacillus cereus, B. subtilis, Escherichia coli, and Pseudomonas aeruginosa, were examined for the ability to remove Ag+, Cd2+, Cu2+, and La3+ from solution by batch equilibration methods. Cd and Cu sorption over the concentration range 0.001 to 1 mM was described by Freundlich isotherms. At 1 mM concent...

journal_title：Applied and environmental microbiology

authors： Mullen MD,Wolf DC,Ferris FG,Beveridge TJ,Flemming CA,Bailey GW

更新日期：1989-12-01 00:00:00

abstract：:A simple synthetic liquid medium containing a single amino acid, glucose, salts, trace metals, and thiamine was developed for cultivation of Cercospora rosicola Passerini. Thiamine was shown to be important to growth. Culture of C. rosicola Passerini in a chemically defined medium makes possible studies of (+)-abscisi...

journal_title：Applied and environmental microbiology

authors： Norman SM,Maier VP,Echols LC

更新日期：1981-01-01 00:00:00

abstract：:The influence of substrate and enzyme concentrations on the rate of saccharification of two defined insoluble cellulose substrates, Avicel (FMC Corp., Philadelphia, Pa.) and Solka-Floc (James River Co., Berlin, N.H.), by the cellulase enzyme system of Trichoderma viride was evaluated. In the assays, enzyme concentrati...

journal_title：Applied and environmental microbiology

authors： Liaw ET,Penner MH

更新日期：1990-08-01 00:00:00

abstract：:Agmatine, a significant polyamine in bacteria and plants, mostly arises from the decarboxylation of arginine. The functional importance of agmatine in fungi is poorly understood. The metabolism of agmatine and related guanidinium group-containing compounds in Aspergillus niger was explored through growth, metabolite, ...

journal_title：Applied and environmental microbiology

authors： Kumar S,Saragadam T,Punekar NS

更新日期：2015-08-15 00:00:00

abstract：:In order to explore the biochemical scope of ochratoxin A-producing penicillia, we screened 48 Penicillium verrucosum isolates for the production of secondary metabolites. Fungal metabolites were analyzed by high-pressure liquid or gas chromatography coupled to diode array detection or mass spectrometry. The following...

journal_title：Applied and environmental microbiology

authors： Larsen TO,Svendsen A,Smedsgaard J

更新日期：2001-08-01 00:00:00

abstract：:Bacteriophages against Streptococcus thermophilus are a growing problem in the Italian cheese industry. One possible control method involves replacing S. thermophilus in mozzarella starter blends with lactic acid bacteria from a different genus or species. In this study, we evaluated lactose-positive pediococci for th...

journal_title：Applied and environmental microbiology

authors： Caldwell SL,McMahon DJ,Oberg CJ,Broadbent JR

更新日期：1996-03-01 00:00:00

abstract：:A mutant of the peptide antibiotic nisin in which the dehydroalanine residue at position 5 has been replaced by an alanine has been produced and structurally characterized. It is shown to have activity very similar to that of wild-type nisin in inhibiting growth of Lactococcus lactis and Micrococcus luteus but is very...

journal_title：Applied and environmental microbiology

authors： Chan WC,Dodd HM,Horn N,Maclean K,Lian LY,Bycroft BW,Gasson MJ,Roberts GC

更新日期：1996-08-01 00:00:00

abstract：:The actinomycete Streptomyces setonii 75Vi2 demethylates vanillic acid and guaiacol to protocatechuic acid and catechol, respectively, and then metabolizes the products by the beta-ketoadipate pathway. UV spectroscopy showed that this strain could also metabolize veratrole (1,2-dimethoxybenzene). When grown in veratro...

journal_title：Applied and environmental microbiology

authors： Sutherland JB

更新日期：1986-07-01 00:00:00

abstract：:Fermentation strategies for the production of poly(3-hydroxybutyrate) (PHB) from whey by recombinant Escherichia coli strain CGSC 4401 harboring the Alcaligenes latus polyhydroxyalkanoate (PHA) biosynthesis genes were developed. The pH-stat fed-batch cultures of E. coli CGSC 4401 harboring pJC4, a stable plasmid conta...

journal_title：Applied and environmental microbiology

authors： Ahn WS,Park SJ,Lee SY

更新日期：2000-08-01 00:00:00

abstract：:The incidence of human infection with Campylobacter jejuni is increasing in most developed countries and the reason for this is largely unknown. Although poultry meat is considered to be a major source, it is evident that other reservoirs exist, possibly common to humans and poultry. Environmental sources are believed...

journal_title：Applied and environmental microbiology

authors： Petersen L,Nielsen EM,Engberg J,On SL,Dietz HH

更新日期：2001-07-01 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