Different effects of transgenic maize and nontransgenic maize on nitrogen-transforming archaea and bacteria in tropical soils.

abstract：:Quorum sensing (QS) is mediated by small molecules and involved in diverse cellular functions, such as virulence, biofilm formation, secondary metabolism, and cell differentiation. In this study, we developed a rapid and effective screening tool based on a cell-free Escherichia coli-based expression system to identify...

journal_title：Applied and environmental microbiology

authors： Yang YH,Kim TW,Park SH,Lee K,Park HY,Song E,Joo HS,Kim YG,Hahn JS,Kim BG

更新日期：2009-10-01 00:00:00

abstract：:A methanol-utilizing bacterium, Protaminobacter ruber, produced a large amount of vitamin B(12). The compounds were isolated from the cells and identified as methylcobalamin (methyl-B(12)) and adenosylcobalamin (adenosyl-B(12)) by various tests. The variation in the form of B(12) during cultivation was examined by bio...

journal_title：Applied and environmental microbiology

authors： Sato K,Ueda S,Shimizu S

更新日期：1977-03-01 00:00:00

abstract：:A method to detect viable Cryptosporidium parvum oocysts was developed. Polyclonal immunoglobulin G against C. parvum oocyst and sporozoite surface antigens was purified from rabbit immune serum, biotinylated, and bound to streptoavidin-coated magnetic particles. C. parvum oocysts were captured by a specific antigen-a...

journal_title：Applied and environmental microbiology

authors： Deng MQ,Cliver DO,Mariam TW

更新日期：1997-08-01 00:00:00

abstract：:From Bradyrhizobium japonicum highly reiterated sequence-possessing (HRS) strains indigenous to Niigata and Tokachi in Japan with high copy numbers of the repeated sequences RSalpha and RSbeta (K. Minamisawa, T. Isawa, Y. Nakatsuka, and N. Ichikawa, Appl. Environ. Microbiol. 64:1845-1851, 1998), several insertion sequ...

journal_title：Applied and environmental microbiology

authors： Isawa T,Sameshima R,Mitsui H,Minamisawa K

更新日期：1999-08-01 00:00:00

abstract：:Various combinations of the genes cryIVA (cry4A), cryIVD (cry11A), and p20 from Bacillus thuringiensis subsp. israelensis were introduced into the nitrogen-fixing cyanobacterium Anabaena sp. strain PCC 7120 by means of Escherichia coli-Anabaena shuttle vector pRL488p and were expressed under control of two tandem stro...

journal_title：Applied and environmental microbiology

authors： Xiaoqiang W,Vennison SJ,Huirong L,Ben-Dov E,Zaritsky A,Boussiba S

更新日期：1997-12-01 00:00:00

abstract：:A total of 530 strains of Staphylococcus aureus were isolated from the defeathering machinery of a chicken processing plant and from neck skin samples of carcasses at different stages of processing in two visits 4 weeks apart. Eleven different plasmid profiles were detected in the isolates, eight being common to both ...

journal_title：Applied and environmental microbiology

authors： Dodd CE,Chaffey BJ,Waites WM

更新日期：1988-06-01 00:00:00

abstract：:The presence of human-pathogenic, enteric bacteria on the surface and in the interior of raw produce is a significant health concern. Several aspects of the biology of the interaction between these bacteria and alfalfa (Medicago sativa) seedlings are addressed here. A collection of enteric bacteria associated with alf...

journal_title：Applied and environmental microbiology

authors： Dong Y,Iniguez AL,Ahmer BM,Triplett EW

更新日期：2003-03-01 00:00:00

abstract：:A d-xylose reductase mutant of Pachysolen tannophilus was isolated on the basis of its poor growth on d-xylose but normal growth on xylitol and d-glucose. Fractionation of cell extracts indicated that the mutant was deficient in d-xylose reductase activity that used NADPH exclusively as a cofactor, but not in activity...

journal_title：Applied and environmental microbiology

authors： Schneider H,Lee H,Barbosa Mde F,Kubicek CP,James AP

更新日期：1989-11-01 00:00:00

abstract：:Florfenicol resistance was analyzed in 230 enteric pig isolates collected between 1998 and 2006. PCR, plasmid profiling, Southern blot hybridization, and a mixed-broth conjugation assay suggested the intra- and interspecies plasmid-mediated transfer of florfenicol resistance among the isolates that exhibited MICs for ...

journal_title：Applied and environmental microbiology

authors： Rayamajhi N,Cha SB,Kang ML,Lee SI,Lee HS,Yoo HS

更新日期：2009-09-01 00:00:00

abstract：:Alfalfa sprouts and other seed sprouts have been implicated in numerous outbreaks of salmonellosis. The source of these epidemics appears to have been low-level contamination of seeds by Salmonella bacteria that developed into clinically significant populations during the seed germination process. To test the possibil...

journal_title：Applied and environmental microbiology

authors： Howard MB,Hutcheson SW

更新日期：2003-01-01 00:00:00

abstract：:Aqueous spore suspensions of Bacillus stearothermophilus ATCC 12980 were heated at different temperatures for various time intervals in a resistometer, spread plated on antibiotic assay medium supplemented with 0.1% soluble starch without (AAMS) or with (AAMS-S) 0.9% NaCl, and incubated at 55 degrees C unless otherwis...

journal_title：Applied and environmental microbiology

authors： Feeherry FE,Munsey DT,Rowley DB

更新日期：1987-02-01 00:00:00

abstract：:Injury induced in Escherichia coli cells by chlorination was studied from a physiological standpoint. Predictable and reproducible injury was found to occur rapidly in 0.5 mg of chlorine per liter and was reversible under nonselective conditions. There was an extended lag period in the growth of chlorinated cells not ...

journal_title：Applied and environmental microbiology

authors： Camper AK,McFeters GA

更新日期：1979-03-01 00:00:00

abstract：:Cryptosporidium parvum is an apicomplexan parasite that infects humans and ruminants. C. parvum isolated from cattle in northeastern Turkey and in Israel was genotyped using multiple polymorphic genetic markers, and the two populations were compared to assess the effect of cattle husbandry on the parasite's population...

journal_title：Applied and environmental microbiology

authors： Tanriverdi S,Markovics A,Arslan MO,Itik A,Shkap V,Widmer G

更新日期：2006-04-01 00:00:00

abstract：:During incubation of seawater in bottles, the decrease in dissolved oxygen is often nonlinear over time scales frequently used to measure respiration. Numbers of bacteria always increase, and rates of assimilation of dissolved leucine often increase exponentially. This suggests that sample handling disrupts the previo...

journal_title：Applied and environmental microbiology

authors： Pomeroy LR,Sheldon JE,Sheldon WM

更新日期：1994-01-01 00:00:00

abstract：:A complex network regulates virulence in Ralstonia solanacearum (formerly Pseudomonas solanacearum); central to this system is PhcA, a LysR-type transcriptional regulator. We report here that two PhcA-regulated virulence factors, endoglucanase (Egl) and acidic exopolysaccharide I (EPS I), and motility are expressed di...

journal_title：Applied and environmental microbiology

authors： Clough SJ,Flavier AB,Schell MA,Denny TP

更新日期：1997-03-01 00:00:00

abstract：:Rapid pathogen detection is crucial for the timely introduction of therapeutics. Two groups (one in the United Kingdom and one in the United States) independently evaluated inhibitor-resistant PCR reagents for the direct testing of substrates. In the United Kingdom, a multiplexed Bacillus anthracis (target) and Bacill...

journal_title：Applied and environmental microbiology

authors： Minogue TD,Rachwal PA,Trombley Hall A,Koehler JW,Weller SA

更新日期：2014-02-01 00:00:00

abstract：:Escherichia coli, commonly used in chemotaxis studies, is attracted mostly by amino acids, sugars, and peptides. We envisioned modifying the chemotaxis specificity of E. coli by expressing heterologous chemoreceptors from Pseudomonas putida enabling attraction either to toluene or benzoate. The mcpT gene encoding the ...

journal_title：Applied and environmental microbiology

authors： Roggo C,Clerc EE,Hadadi N,Carraro N,Stocker R,van der Meer JR

更新日期：2018-08-31 00:00:00

abstract：:A membrane filter procedure has been developed for the rapid quantitation of C. perfringens in the aquatic environment. Background growth is inhibited by the use of D-cycloserine, polymyxin B sulfate, and incubation at 45 degrees C. Differential characteristics include the fermentation of sucrose, production of acid p...

journal_title：Applied and environmental microbiology

authors： Bisson JW,Cabelli VJ

更新日期：1979-01-01 00:00:00

abstract：:[This corrects the article on p. 118 in vol. 43.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1982-04-01 00:00:00

abstract：:Chlortetracycline and the macrolide tylosin were identified as commonly used antimicrobials for growth promotion and prophylaxis in swine production. Resistance to these antimicrobials was measured throughout the waste treatment processes at five swine farms by culture-based and molecular methods. Conventional farm sa...

journal_title：Applied and environmental microbiology

authors： Jindal A,Kocherginskaya S,Mehboob A,Robert M,Mackie RI,Raskin L,Zilles JL

更新日期：2006-12-01 00:00:00

abstract：:Stability of foreign DNA transformed into a novel host is an important parameter in decisions to permit the release of genetically engineered microorganisms into the environment. Meiotic instability of transformed DNA has been reported in fungi such as Ascobolus, Aspergillus, and Neurospora. We used strains of Gibbere...

journal_title：Applied and environmental microbiology

authors： Leslie JF,Dickman MB

更新日期：1991-05-01 00:00:00

abstract：:A novel single-step procedure for the purification of staphylococcal enterotoxin A (SEA), namely, dye ligand affinity chromatography with the triazine dye Red A, was developed. SEA purified by this method produced a single band when subjected to sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The yield from...

journal_title：Applied and environmental microbiology

authors： Reynolds D,Tranter HS,Sage R,Hambleton P

更新日期：1988-07-01 00:00:00

abstract：:The comparative adherence of seven strains of Staphylococcus epidermidis to plastic surfaces was measured by an agar overlay technique in which adherent organisms were counted by their ability to form colonies under an agar overlay. The degree of adherence to plastics decreased in the order polystyrene, polyvinyl chlo...

journal_title：Applied and environmental microbiology

authors： Mackenzie AM,Rivera-Calderon RL

更新日期：1985-11-01 00:00:00

abstract：:Chemolithoautotrophic bacteria were enriched from mine water at incubation temperatures ranging from 4 to 46 degrees C, using elemental sulfur as a substrate in acid mineral salts media. Thiobacillus-type bacteria were successfully enriched for at all test temperatures except 46 degrees C. Changes in pH (-dpH/dt) were...

journal_title：Applied and environmental microbiology

authors： Ahonen L,Tuovinen OH

更新日期：1990-02-01 00:00:00

abstract：:Three common food pathogenic microorganisms were exposed to treatments simulating those used in food processing. Treated cell suspensions were then analyzed for reduction in growth by plate counting. Flow cytometry (FCM) and fluorescence-activated cell sorting (FACS) were carried out on treated cells stained for membr...

journal_title：Applied and environmental microbiology

authors： Kennedy D,Cronin UP,Wilkinson MG

更新日期：2011-07-01 00:00:00

abstract：:The lantibiotic nisin is produced by several strains of Lactococcus lactis. The complete gene cluster for nisin biosynthesis in L. lactis 6F3 comprises 15 kb of DNA. As described previously, the structural gene nisA is followed by the genes nisB, nisT, nisC, nisI, nisP, nisR, and nisK. Further analysis revealed three ...

journal_title：Applied and environmental microbiology

authors： Siegers K,Entian KD

更新日期：1995-03-01 00:00:00

abstract：:Many marine fish harbor luminous bacteria as bioluminescent symbionts. Despite the diversity, abundance, and ecological importance of these fish and their apparent dependence on luminous bacteria for survival and reproduction, little is known about developmental and microbiological events surrounding the inception of ...

journal_title：Applied and environmental microbiology

authors： Dunlap PV,Davis KM,Tomiyama S,Fujino M,Fukui A

更新日期：2008-12-01 00:00:00

abstract：:A method was developed to study the biodegradation and oxidative biodehalogenation of fluorinated phenols by 19F nuclear magnetic resonance (NMR). Characterization of the 19F NMR spectra of metabolite profiles of a series of fluorophenols, converted by purified phenol hydroxylase, catechol 1,2-dioxygenase, and/or by t...

journal_title：Applied and environmental microbiology

authors： Boersma MG,Dinarieva TY,Middelhoven WJ,van Berkel WJ,Doran J,Vervoort J,Rietjens IM

更新日期：1998-04-01 00:00:00

abstract：:In prokaryotic cells the ATP-dependent proteases Lon and ClpP (Clp proteolytic subunit) are involved in the turnover of misfolded proteins and the degradation of regulatory proteins, and depending on the organism, these proteases contribute variably to stress tolerance. We constructed mutants in the lon and clpP genes...

journal_title：Applied and environmental microbiology

authors： Cohn MT,Ingmer H,Mulholland F,Jørgensen K,Wells JM,Brøndsted L

更新日期：2007-12-01 00:00:00

abstract：:A heat-stable extracellular protease from Pseudomonas fluorescens was purified by chromatography on a DEAE-cellulose column and gel filtration on a Sephadex G100 column. The homogeneous enzyme preparation was used to prepare antiserum in rabbits. The rabbit antiserum was used to study the antigenic relatedness of prot...

journal_title：Applied and environmental microbiology

authors： Jackman DM,Bartlett FM,Patel TR

更新日期：1983-07-01 00:00:00