Identity and behavior of xylem-residing bacteria in rough lemon roots of Florida citrus trees.

abstract：:A methylomonad culture was isolated from pond water and examined as a potential source of single-cell protein. A medium containing magnesium sulfate, ammonium hydroxide, sodium phosphate, tap water, and methanol supported the growth of the isolate. Optimal growth conditions in batch cultures for the organism were: tem...

journal_title：Applied and environmental microbiology

authors： Chen BJ,Hirt W,Lim HC,Tsao GT

更新日期：1977-02-01 00:00:00

abstract：:The effects of aflatoxin on egg production, fertility, hatchability, and progeny performance were investigated by feeding dietary aflatoxin at dose levels of 0,5, and 10 mug/g to mature broiler breeder hens for 4 weeks. Sixteen hens were used for each dietary dose level. Egg production decreased significantly during w...

journal_title：Applied and environmental microbiology

authors： Howarth B Jr,Wyatt RD

更新日期：1976-05-01 00:00:00

abstract：UNLABELLED:Mechanistic studies of many processes in Agrobacterium tumefaciens have been hampered by a lack of genetic tools for characterization of essential genes. In this study, we used a Tn7-based method for inducible control of transcription from an engineered site on the chromosome. We demonstrate that this method...

journal_title：Applied and environmental microbiology

authors： Figueroa-Cuilan W,Daniel JJ,Howell M,Sulaiman A,Brown PJ

更新日期：2016-07-29 00:00:00

abstract：:The membrane integrity of a cell is a well-accepted criterion for characterizing viable (active or inactive) cells and distinguishing them from damaged and membrane-compromised cells. This information is of major importance in studies of the function of microbial assemblages in natural environments, in order to assign...

journal_title：Applied and environmental microbiology

authors： Grégori G,Citterio S,Ghiani A,Labra M,Sgorbati S,Brown S,Denis M

更新日期：2001-10-01 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：:Throughout four field trials, compost heaps covered with finished compost maintained temperatures under the physical covering that were ca. 7 to 15.5°C higher, resulting in rapid Escherichia coli O157:H7 reduction, than those of the heaps covered with fresh straw or left uncovered. Our results validated recommendation...

journal_title：Applied and environmental microbiology

authors： Shepherd MW Jr,Kim J,Jiang X,Doyle MP,Erickson MC

更新日期：2011-07-01 00:00:00

abstract：:Bacteroidales are attractive as water quality indicators because of their potential to discern sources of fecal pollution, and it is presumed that these bacteria do not multiply outside their host organisms. The persistence of a fecal Bacteroidales marker was monitored over 14 days in river water microcosms that varie...

journal_title：Applied and environmental microbiology

authors： Schulz CJ,Childers GW

更新日期：2011-04-01 00:00:00

abstract：:Cellular fatty acids of 10 strains of lactic acid bacteria were analyzed. The purpose of this work was to find lactic acid bacteria with high lactobacillic acid contents. The bacteria studied were unable to synthesize oleic acid. Some strains did not synthesize lactobacillic acid, although all were able to form dihydr...

journal_title：Applied and environmental microbiology

authors： Johnsson T,Nikkila P,Toivonen L,Rosenqvist H,Laakso S

更新日期：1995-12-01 00:00:00

abstract：:Two gram-positive, strictly anoxic, coccoid- to rod-shaped strains of bacteria, Clostridium coccoides 1410 and C. coccoides 3110, were isolated from human feces on the typical homoacetogenic substrates formate plus H2 plus CO2 (strain 1410) and vanillate plus H2 plus CO2 (strain 3110) in the presence of 2-bromoethanes...

journal_title：Applied and environmental microbiology

authors： Kamlage B,Gruhl B,Blaut M

更新日期：1997-05-01 00:00:00

abstract：:The fungus Cunninghamella elegans ATCC 36112 metabolized approximately 80% of the 3-14C-labeled fluoranthene (FA) added within 72 h of incubation. C. elegans metabolized FA to trans-2,3-dihydroxy-2,3-dihydrofluoranthene (trans-2,3-dihydrodiol), 8- and 9-hydroxyfluoranthene trans-2,3-dihydrodiol, 3-fluoranthene-beta-gl...

journal_title：Applied and environmental microbiology

authors： Pothuluri JV,Freeman JP,Evans FE,Cerniglia CE

更新日期：1990-10-01 00:00:00

abstract：:Essential oil components (EOCs) have limited water solubility and are used at much higher concentrations in complex food matrices than in growth media to inhibit pathogens. However, the correlation between solubility and activity has not been studied. The objective of this work was to characterize the solubility of EO...

journal_title：Applied and environmental microbiology

authors： Chen H,Davidson PM,Zhong Q

更新日期：2014-02-01 00:00:00

abstract：:Fusarium isolates from specific diseased sorghum plants and rain-soaked wheat and wheat flour associated with human mycotoxicosis in India have been screened for their toxigenic potential. Of the 322 isolates screened, 11 isolates were found to produce deoxynivalenol in concentrations ranging from 0.01 to 186 microgra...

journal_title：Applied and environmental microbiology

authors： Ramakrishna Y,Bhat RV,Ravindranath V

更新日期：1989-10-01 00:00:00

abstract：:In raw sludges and in mesophilically and thermophilically digested anaerobic sludges, large variations in numbers of viruses occurred over narrow ranges of numbers of fecal coliforms, total coliforms, and fecal streptococci, demonstrating that the bacteria were poor quantitative reflectors of the numbers of the viruse...

journal_title：Applied and environmental microbiology

authors： Berg G,Berman D

更新日期：1980-02-01 00:00:00

abstract：:The objective of the present study was to evaluate the anti-inflammatory effects of Bifidobacterium animalis subsp. lactis strain BB12 in stimulated Caco-2 cells and to characterize the factors responsible for these anti-inflammatory effects. Characterization and purification studies indicate that BB12's anti-inflamma...

journal_title：Applied and environmental microbiology

authors： Wang Z,Wang J,Cheng Y,Liu X,Huang Y

更新日期：2011-11-01 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：:Enterocytozoon bieneusi is an emerging and clinically significant enteric parasite infecting humans and animals and can cause life-threatening diarrhea in immunocompromised people. Pigs are considered to be one of the main reservoir hosts of E. bieneusi based on their high prevalence rates and zoonotic genotypes in pi...

journal_title：Applied and environmental microbiology

authors： Zhao W,Zhang W,Yang F,Cao J,Liu H,Yang D,Shen Y,Liu A

更新日期：2014-06-01 00:00:00

abstract：:Differences between the recombinant xylose-utilizing Saccharomyces cerevisiae strain TMB 3399 and the mutant strain TMB 3400, derived from TMB 3399 and displaying improved ability to utilize xylose, were investigated by using genome-wide expression analysis, physiological characterization, and biochemical assays. Samp...

journal_title：Applied and environmental microbiology

authors： Wahlbom CF,Cordero Otero RR,van Zyl WH,Hahn-Hägerdal B,Jönsson LJ

更新日期：2003-02-01 00:00:00

abstract：:Extraction of high-quality DNA is a key step in PCR detection of Cryptosporidium and other pathogens in environmental samples. Currently, Cryptosporidium oocysts in water samples have to be purified from water concentrates before DNA is extracted. This study compared the effectiveness of six DNA extraction methods (DN...

journal_title：Applied and environmental microbiology

authors： Jiang J,Alderisio KA,Singh A,Xiao L

更新日期：2005-03-01 00:00:00

abstract：:The mycoparasite Humicola fuscoatra NRRL 22980 was isolated from a sclerotium of Aspergillus flavus that had been buried in a cornfield near Tifton, Ga. When grown on autoclaved rice, this fungus produced the antifungal metabolites monorden, monocillin IV, and a new monorden analog. Each metabolite produced a clear zo...

journal_title：Applied and environmental microbiology

authors： Wicklow DT,Joshi BK,Gamble WR,Gloer JB,Dowd PF

更新日期：1998-11-01 00:00:00

abstract：:A model conditional-suicide system to control genetically engineered microorganisms able to degrade substituted benzoates is reported. The system is based on two elements. One element consists of a fusion between the promoter of the Pseudomonas putida TOL plasmid-encoded meta-cleavage pathway operon (P(m)) and the lac...

journal_title：Applied and environmental microbiology

authors： Contreras A,Molin S,Ramos JL

更新日期：1991-05-01 00:00:00

abstract：:The growing mycelia of Trichoderma reesei Rut-C30 are richly endowed with endoplasmic reticula and a variety of pleomorphic subcellular bodies. Mycelia of the culture growing in presence of avicel pH101 was fractionated in sucrose density gradients, and several morphologically and biochemically distinct fractions were...

journal_title：Applied and environmental microbiology

authors： Glenn M,Ghosh A,Ghosh BK

更新日期：1985-11-01 00:00:00

abstract：:Microarray technology provides the opportunity to identify thousands of microbial genes or populations simultaneously, but low microbial biomass often prevents application of this technology to many natural microbial communities. We developed a whole-community genome amplification-assisted microarray detection approac...

journal_title：Applied and environmental microbiology

authors： Wu L,Liu X,Schadt CW,Zhou J

更新日期：2006-07-01 00:00:00

abstract：:We studied the effects of a bacterium (Pseudomonas chlororaphis) and a bactivorous protozoan (Uronema sp.) on transformations of labile dissolved organic carbon (DOC). In 36-day time series experiments, bacteria were grown on glucose both with and without protozoa. We measured bulk organic carbon pools and used electr...

journal_title：Applied and environmental microbiology

authors： Gruber DF,Simjouw JP,Seitzinger SP,Taghon GL

更新日期：2006-06-01 00:00:00

abstract：:This investigation introduces the use of an immunoglobulin A mouse myeloma protein for the detection of Salmonella spp. in milk. The immunoglobulin A protein M467 reacts with flagellin from a wide variety of serotypes. Two assays were developed which used an enzyme-linked immunosorbent assay (ELISA) and M467. Alkaline...

journal_title：Applied and environmental microbiology

authors： Smith AM,Jones C

更新日期：1983-10-01 00:00:00

abstract：:Streptococcus mutans is a key cariogenic bacterium responsible for the initiation of tooth decay. Biofilm formation is a crucial virulence property. We discovered a putative glycosyltransferase, SMU_833, in S. mutans capable of modulating dynamic interactions between two key biofilm matrix components, glucan and extra...

journal_title：Applied and environmental microbiology

authors： Rainey K,Michalek SM,Wen ZT,Wu H

更新日期：2019-02-20 00:00:00

abstract：:Chlorpromazine was used to perform a test for the detection of microbial peroxidase activities. The compound acts as both a cell permeabilizer and a reagent in the procedure developed which allows the detection of peroxidase and peroxidase like reactions both semiquantitatively in whole cell determinations and quantit...

journal_title：Applied and environmental microbiology

authors： Galeazzi L,Turchetti G,Grilli G,Groppa G,Giunta S

更新日期：1986-12-01 00:00:00

abstract：:The yeast Torulaspora delbrueckii, which propagates as a haploid, was made into a diploid by treatment with dimethyl sulfoxide (DMSO) on the regeneration of protoplasts. The diploid state was stably inherited; the cell volume was three times that of the parent strain and the cellular DNA content was two times that of ...

journal_title：Applied and environmental microbiology

authors： Sasaki T,Ohshima Y

更新日期：1987-07-01 00:00:00

abstract：:Studies of the interaction of Legionella pneumophila with free-living amoebae showed that Naegleria lovaniensis and Acanthamoeba royreba could use L. pneumophila as a sole food source. However, growth of the amoebae on nonnutrient agar plates seeded with L. pneumophila was slower than growth on nonnutrient agar plates...

journal_title：Applied and environmental microbiology

authors： Tyndall RL,Domingue EL

更新日期：1982-10-01 00:00:00

abstract：:Indoxyl-beta-D-glucuronide (indoxyl) was evaluated as a specific chromogen for detection of Escherichia coli by the membrane filter method. In all, 413 colonies were tested from the indoxyl-supplemented media, yielding 93.3% confirmation, as E. coli. Compared with the indoxyl medium, other media gave either much lower...

journal_title：Applied and environmental microbiology

authors： Haines JR,Covert TC,Rankin CC

更新日期：1993-08-01 00:00:00

abstract：:A toxic substance contained in the blue-green alga Microcystis aeruginosa was purified and partially characterized. Toxic algal cells were collected from a highly eutrophic lake in Japan, and the toxin was purified by homogenization, ultrafiltration, gel filtration, and ion-exchange chromatography. The final preparati...

journal_title：Applied and environmental microbiology

authors： Watanabe MF,Oishi S

更新日期：1982-04-01 00:00:00