Enteric Viruses in Surface Waters from Argentina: Molecular and Viable-Virus Detection.

abstract：:Citrate and pyruvate metabolism by nongrowing cells of Leuconostoc oenos was investigated. (sup13)C nuclear magnetic resonance (NMR) spectroscopy was used to elucidate the pathway of citrate breakdown and to probe citrate or pyruvate utilization, noninvasively, in living cell suspensions. The utilization of isotopical...

journal_title：Applied and environmental microbiology

authors： Ramos A,Lolkema JS,Konings WN,Santos H

更新日期：1995-04-01 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：:The ability of pure cultures of bacteria isolated from spoiling chicken leg muscle to produce strong off-odors was tested by using sterile leg muscle sections. Changes in the flora during storage and the incidence and identity of organisms capable of producing strong off-odors were noted. ...

journal_title：Applied and environmental microbiology

authors： McMeekin TA

更新日期：1977-06-01 00:00:00

abstract：:The evolution of the microbial spoilage population for air- and vacuum-packaged meat (beef and pork) stored at 4 degrees C was investigated over 11 days. We monitored the viable counts (mesophilic total aerobic bacteria, Pseudomonas spp., Enterobacteriaceae, lactic acid bacteria, and Enterococcus spp.) by the microbio...

journal_title：Applied and environmental microbiology

authors： Mayr D,Margesin R,Klingsbichel E,Hartungen E,Jenewein D,Schinner F,Märk TD

更新日期：2003-08-01 00:00:00

abstract：:Studies of phytoplasma-insect vector interactions and epidemiological surveys of plant yellows associated with the stolbur phytoplasma (StolP) require the identification of relevant candidate genes and typing markers. A recent StolP genome survey identified a partial coding sequence, SR01H10, having no homologue in th...

journal_title：Applied and environmental microbiology

authors： Cimerman A,Pacifico D,Salar P,Marzachì C,Foissac X

更新日期：2009-05-01 00:00:00

abstract：:Mycoplasma canadense and Mycoplasma verecundum were cultured in a serum-free medium containing bovine serum albumin, cholesterol, oleic acid, and palmitic acid in order to avoid the addition of horse serum. Growth was detected by measurement of A640 and by colony formation. The level of growth attained in this medium ...

journal_title：Applied and environmental microbiology

authors： Muñoz G,Sotomayor P

更新日期：1990-07-01 00:00:00

abstract：:Xenorhabdus nematophila, a bacterium pathogenic for insects associated with the nematode Steinernema carpocapsae, releases high quantities of proteases, which may participate in the virulence against insects. Zymogram assays and cross-reactions of antibodies suggested that two distinct proteases were present. The majo...

journal_title：Applied and environmental microbiology

authors： Caldas C,Cherqui A,Pereira A,Simões N

更新日期：2002-03-01 00:00:00

abstract：:Different amounts of enterotoxin A-, B-, and C1-producing staphylococci were added to dry sausage prepared by normal processes, either alone or in conjunction with a starter culture (micrococci and lactobacilli). The sausage was examined after 0, 3, 7, 14, and 30 days for staphylococci, micrococci, and lactobacilli, a...

journal_title：Applied and environmental microbiology

authors： Niskanen A,Nurmi E

更新日期：1976-01-01 00:00:00

abstract：:A molecular analysis of betaproteobacterial ammonia oxidizers and a N(2)O isotopomer analysis were conducted to study the sources of N(2)O emissions during the cow manure composting process. Much NO(2)(-)-N and NO(3)(-)-N and the Nitrosomonas europaea-like amoA gene were detected at the surface, especially at the top ...

journal_title：Applied and environmental microbiology

authors： Maeda K,Toyoda S,Shimojima R,Osada T,Hanajima D,Morioka R,Yoshida N

更新日期：2010-03-01 00:00:00

abstract：:Excessive NH(3) production in the rumen is a major nutritional inefficiency in ruminant animals. Experiments were undertaken to compare the rates of NH(3) production from different substrates in ruminal fluid in vitro and to assess the role of asaccharolytic bacteria in NH(3) production. Ruminal fluid was taken from f...

journal_title：Applied and environmental microbiology

authors： Eschenlauer SC,McKain N,Walker ND,McEwan NR,Newbold CJ,Wallace RJ

更新日期：2002-10-01 00:00:00

abstract：:The rapid degradation of marine infrastructure at the low tide level due to accelerated low-water corrosion (ALWC) is a problem encountered worldwide. Despite this, there is limited understanding of the microbial communities involved in this process. We obtained samples of the orange-colored tubercles commonly associa...

journal_title：Applied and environmental microbiology

authors： Phan HC,Wade SA,Blackall LL

更新日期：2020-06-17 00:00:00

abstract：:O-antigen biosynthetic (wbf) regions for Vibrio cholerae serogroups O5, O8, and O108 were isolated and sequenced. Sequences were compared to those of other published V. cholerae O-antigen regions. These wbf regions showed a high degree of heterogeneity both in gene content and in gene order. Genes identified frequentl...

journal_title：Applied and environmental microbiology

authors： Aydanian A,Tang L,Morris JG,Johnson JA,Stine OC

更新日期：2011-04-01 00:00:00

abstract：:Regulation of the expression of the two major chitinase genes, ech42 (encoding the CHIT42 endochitinase) and nag1 (encoding the CHIT73 N-acetyl-beta-D-glucosaminidase), of the chitinolytic system of the mycoparasitic biocontrol fungus Trichoderma atroviride (= Trichoderma harzianum P1) was investigated by using a repo...

journal_title：Applied and environmental microbiology

authors： Mach RL,Peterbauer CK,Payer K,Jaksits S,Woo SL,Zeilinger S,Kullnig CM,Lorito M,Kubicek CP

更新日期：1999-05-01 00:00:00

abstract：:We tested the sensitivity of coastal picophytoplankton exposed to natural sunlight in short-term experiments. Cell abundance and cell-specific chlorophyll fluorescence were significantly reduced in Prochlorococcus spp. but not in Synechococcus, whereas picoeukaryotes had an intermediate response. These results are the...

journal_title：Applied and environmental microbiology

authors： Sommaruga R,Hofer JS,Alonso-Sáez L,Gasol JM

更新日期：2005-04-01 00:00:00

abstract：:Preinfection development in Colletotrichum spp. exhibits three morphologies (conidia, germ tubes, and appressoria) and is directed by a complex interplay of environmental signals. Germ tube morphogenesis for Colletotrichum trifolii and the related fungus Colletotrichum gloeosporioides f. sp. aeschynomene was shown to ...

journal_title：Applied and environmental microbiology

authors： Buhr TL,Dickman MB

更新日期：1997-06-01 00:00:00

abstract：:The blacklegged tick, Ixodes scapularis, is of significant public health importance as a vector of Borrelia burgdorferi, the agent of Lyme borreliosis. The timing of seasonal activity of each immature I. scapularis life stage relative to the next is critical for the maintenance of B. burgdorferi because larvae must fe...

journal_title：Applied and environmental microbiology

authors： Gatewood AG,Liebman KA,Vourc'h G,Bunikis J,Hamer SA,Cortinas R,Melton F,Cislo P,Kitron U,Tsao J,Barbour AG,Fish D,Diuk-Wasser MA

更新日期：2009-04-01 00:00:00

abstract：:A total of 52 strains of Lactobacillus acidophilus were examined for production of bacteriocins. A majority (63%) demonstrated inhibitory activity against all members of a four-species grouping of Lactobacillus leichmannii, Lactobacillus bulgaricus, Lactobacillus helveticus, and Lactobacillus lactis. Four L. acidophil...

journal_title：Applied and environmental microbiology

authors： Barefoot SF,Klaenhammer TR

更新日期：1983-06-01 00:00:00

abstract：:Eukaryotes may influence pollutant degradation processes in groundwater ecosystems by activities such as predation on bacteria and recycling of nutrients. Culture-independent community profiling and phylogenetic analysis of 18S rRNA gene fragments, as well as culturing, were employed to obtain insight into the sedimen...

journal_title：Applied and environmental microbiology

authors： Brad T,Braster M,van Breukelen BM,van Straalen NM,Röling WF

更新日期：2008-07-01 00:00:00

abstract：:Circular bacteriocins are a group of N-to-C-terminally linked antimicrobial peptides, produced by Gram-positive bacteria of the phylum Firmicutes. Circular bacteriocins generally exhibit broad-spectrum antimicrobial activity, including against common food-borne pathogens, such as Clostridium and Listeria spp. These pe...

journal_title：Applied and environmental microbiology

authors： Gabrielsen C,Brede DA,Nes IF,Diep DB

更新日期：2014-11-01 00:00:00

abstract：:Using bacteria to transform reactive corrosion products into stable compounds represents an alternative to traditional methods employed in iron conservation. Two environmental Aeromonas strains (CA23 and CU5) were used to transform ferric iron corrosion products (goethite and lepidocrocite) into stable ferrous iron-be...

journal_title：Applied and environmental microbiology

authors： Kooli WM,Junier T,Shakya M,Monachon M,Davenport KW,Vaideeswaran K,Vernudachi A,Marozau I,Monrouzeau T,Gleasner CD,McMurry K,Lienhard R,Rufener L,Perret JL,Sereda O,Chain PS,Joseph E,Junier P

更新日期：2019-01-23 00:00:00

abstract：:A mixed methanogenic culture fed with glucose was perturbed with butyrate and formate to investigate the role of formate in the acetogenesis of butyrate. A free energy analysis suggests that formate rather than H(2) was the interspecies electron carrier for butyrate conversion into acetate for the culture studied. ...

journal_title：Applied and environmental microbiology

authors： Bae J,McCarty PL

更新日期：1993-02-01 00:00:00

abstract：:Several wild-type isolates of marine bdellovibrios formed stable bdelloplasts when they infected gram-negative bacterial prey under certain culture conditions. Synchronous predator-prey cultures and low nutrient concentrations increased the yield of stable bdelloplasts. The bdellovibrio cells retained in the stable bd...

journal_title：Applied and environmental microbiology

authors： Sánchez-Amat A,Torrella F

更新日期：1990-09-01 00:00:00

abstract：:We describe here a new enzyme-coupled assay for the quantitation of d-xylose using readily available enzymes that allows kinetic evaluation of hemicellulolytic enzymes using natural xylooligosaccharide substrates. Hydrogen peroxide is generated as an intermediary analyte, which allows flexibility in the choice of the ...

journal_title：Applied and environmental microbiology

authors： Wagschal K,Franqui-Espiet D,Lee CC,Robertson GH,Wong DW

更新日期：2005-09-01 00:00:00

abstract：:Fenton reactions are believed to play important roles in wood degradation by brown rot fungi. In this context, the effect of tropolone (2-hydroxycyclohepta-2,4,6-trienone), a metal chelator, on wood degradation by Poria placenta was investigated. Tropolone (50 micro M) strongly inhibits fungal growth on malt agar, but...

journal_title：Applied and environmental microbiology

authors： Diouf PN,Delbarre N,Perrin D,Gérardin P,Rapin C,Jacquot JP,Gelhaye E

更新日期：2002-09-01 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：: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：:Indirect pathogenicity (IP), the commensal protection of antibiotic-sensitive pathogens by resistant microorganisms of low intrinsic virulence, can prevent the eradication of polymicrobial infections. The contributions of antibiotic resistance mechanisms and biofilm structure to IP within polymicrobial biofilms were i...

journal_title：Applied and environmental microbiology

authors： O'Connell HA,Kottkamp GS,Eppelbaum JL,Stubblefield BA,Gilbert SE,Gilbert ES

更新日期：2006-07-01 00:00:00

abstract：:Vegetative mycelia and spores of the investigated high- and low-producer strains of Streptomyces griseus bound significant amounts (4%) of streptomycin, which could be removed by increasing ionic strength. The release of antibiotic from the spores was easier when the spores were germinating. This phenomenon is conside...

journal_title：Applied and environmental microbiology

authors： Szabó I,Benedek A,Barabás G

更新日期：1985-08-01 00:00:00

abstract：:Hot-water extracts of mesquite (Prosopis glandulosa) wood were assayed for their total carbohydrate, reducing sugar, and glucose content. These hydrolysates were then used as complete media for yeast growth. A total of 10 strains of yeasts were evaluated for their biomass production in the mesquite wood hydrolysates. ...

journal_title：Applied and environmental microbiology

authors： Stanlake GJ

更新日期：1986-08-01 00:00:00

abstract：:Populations of feral pigs (Sus scrofa) may serve as an environmental reservoir of Cryptosporidium parvum oocysts and Giardia sp. cysts for source water. We conducted a cross-sectional study to determine the prevalence of and associated demographic and environmental risk factors for the shedding of C. parvum oocysts an...

journal_title：Applied and environmental microbiology

authors： Atwill ER,Sweitzer RA,Pereira MG,Gardner IA,Van Vuren D,Boyce WM

更新日期：1997-10-01 00:00:00