Effect of bacteria and amoebae on rhizosphere phosphatase activity.

abstract：:Two strains of mesophilic lactic acid bacteria, Streptococcus cremoris AM2 and Leuconostoc lactis CNRZ 1091, were grown in pure and mixed cultures in the presence or absence of citrate (15 mM) and at controlled (pH 6.5) or uncontrolled pH. Microbial cell densities at the end of growth, maximum growth rates, the pH dec...

journal_title：Applied and environmental microbiology

authors： Boquien CY,Corrieu G,Desmazeaud MJ

更新日期：1988-10-01 00:00:00

abstract：:The nor-1 gene in the filamentous fungus Aspergillus parasiticus encodes a ketoreductase involved in aflatoxin biosynthesis. To study environmental influences on nor-1 expression, we generated plasmid pAPGUSNNB containing a nor-1 promoter-beta-glucuronidase (GUS) (encoded by uidA) reporter fusion with niaD (encodes ni...

journal_title：Applied and environmental microbiology

authors： Chiou CH,Miller M,Wilson DL,Trail F,Linz JE

更新日期：2002-01-01 00:00:00

abstract：:Green mold disease (causal agent, Trichoderma) has resulted in severe crop losses on mushroom farms worldwide in recent years. We analyzed 160 isolates of Trichoderma from mushroom farms for morphological, cultural, and molecular characteristics and classified these isolates into phenotypic groups. The most common gro...

journal_title：Applied and environmental microbiology

authors： Castle A,Speranzini D,Rghei N,Alm G,Rinker D,Bissett J

更新日期：1998-01-01 00:00:00

abstract：:A highly sensitive and specific PCR-based method of monitoring 16S rRNA genes of Pseudomonas stutzeri was developed for searching P. stutzeri DNA in environmental samples. This monitoring was combined with a reliable and sensitive method for isolating P. stutzeri colony formers from soil and sediment, depending on the...

journal_title：Applied and environmental microbiology

authors： Sikorski J,Teschner N,Wackernagel W

更新日期：2002-02-01 00:00:00

abstract：:The Amazon rainforest, the largest equatorial forest in the world, is being cleared for pasture and agricultural use at alarming rates. Tropical deforestation is known to cause alterations in microbial communities at taxonomic and phylogenetic levels, but it is unclear whether microbial functional groups are altered. ...

journal_title：Applied and environmental microbiology

authors： Mirza BS,Potisap C,Nüsslein K,Bohannan BJ,Rodrigues JL

更新日期：2014-01-01 00:00:00

abstract：:Bacterioplankton numbers, biomasses, and productivities, as well as chlorophyll a concentrations and phytoplankton productivities, were assayed from 1 March 1984 to 12 August 1985 through a 250-m-deep seawater column in Howe Sound, a temperate fjord-sound on the southern coast of British Columbia, Canada. Primary prod...

journal_title：Applied and environmental microbiology

authors： Albright LJ,McCrae SK

更新日期：1987-06-01 00:00:00

abstract：:The Pseudomonas genus contains a metabolically versatile group of organisms that are known to occupy numerous ecological niches, including the rhizosphere and endosphere of many plants. Their diversity influences the phylogenetic diversity and heterogeneity of these communities. On the basis of average amino acid iden...

journal_title：Applied and environmental microbiology

authors： Jun SR,Wassenaar TM,Nookaew I,Hauser L,Wanchai V,Land M,Timm CM,Lu TY,Schadt CW,Doktycz MJ,Pelletier DA,Ussery DW

更新日期：2015-10-30 00:00:00

abstract：:It has been hypothesized that the environment can influence the composition of the nasal microbiota. However, the direct influence of pig farming on the anterior and posterior nasal microbiota is unknown. Using a cross-sectional design, pig farms (n = 28) were visited in 2014 to 2015, and nasal swabs from 43 pig farme...

journal_title：Applied and environmental microbiology

authors： Kraemer JG,Ramette A,Aebi S,Oppliger A,Hilty M

更新日期：2018-03-01 00:00:00

abstract：:The biological succession that occurs during the first year of life in the gut of infants in Western countries is broadly predictable in terms of the increasing complexity of the composition of microbiotas. Less information is available about microbiotas in Asian countries, where environmental, nutritional, and cultur...

journal_title：Applied and environmental microbiology

authors： Lawley B,Otal A,Moloney-Geany K,Diana A,Houghton L,Heath AM,Taylor RW,Tannock GW

更新日期：2019-09-17 00:00:00

abstract：:Cholera is a severe diarrheal disease caused by specific serogroups of Vibrio cholerae that are pathogenic to humans. The disease does not persist in a chronic state in humans or animals. The pathogen is naturally present as a free-living organism in the environment. Recently, it was suggested that egg masses of the n...

journal_title：Applied and environmental microbiology

authors： Halpern M,Gancz H,Broza M,Kashi Y

更新日期：2003-07-01 00:00:00

abstract：:Serratia marcescens incubated for 8 h at 31 degrees C in a chemically defined medium contained in shake flasks was aerosolized into rotating-drum aerosol chambers at 30 degrees C and saturated humidity. Cells furnished tryptone (Difco) and glycerol just before aerosolization increased (in viable numbers and countable ...

journal_title：Applied and environmental microbiology

authors： Dimmick RL,Wolochow H,Chatigny MA

更新日期：1979-05-01 00:00:00

abstract：:The production of the H(2)O(2)-generating enzyme pyranose oxidase (POD) (EC 1.1.3.10) (synonym, glucose 2-oxidase), two ligninolytic peroxidases, and laccase in wood decayed by three white rot fungi was investigated by correlated biochemical, immunological, and transmission electron microscopic techniques. Enzyme acti...

journal_title：Applied and environmental microbiology

authors： Daniel G,Volc J,Kubatova E

更新日期：1994-07-01 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：:The harvesting of rainwater is gaining acceptance among many governmental authorities in countries such as Australia, Germany, and South Africa, among others. However, conflicting reports on the microbial quality of harvested rainwater have been published. To monitor the presence of potential pathogenic bacteria durin...

journal_title：Applied and environmental microbiology

authors： Dobrowsky PH,De Kwaadsteniet M,Cloete TE,Khan W

更新日期：2014-04-01 00:00:00

abstract：:Salmonella typhimurium accumulates glutamate in response to osmotic stress. Cells in aerobic exponential growth have an intracellular pool of approximately 125 nmol of glutamate mg of protein-1. When cells were grown in minimal medium with 500 mM NaCl, KCl, or sucrose, 290 to 430 nmol of glutamate was found to accumul...

journal_title：Applied and environmental microbiology

authors： Botsford JL,Alvarez M,Hernandez R,Nichols R

更新日期：1994-07-01 00:00:00

abstract：:The marine diatom Thallasiosira pseudonanna (3H) and several bacteria associated with it were isolated from batch cultures at the University of Delaware mariculture facility. The interaction between the algae and each of the bacteria was investigated. One of the isolates, T827/2B (Pseudomonas sp.), was incapable of su...

journal_title：Applied and environmental microbiology

authors： Baker KH,Herson DS

更新日期：1978-04-01 00:00:00

abstract：:High numbers (10(7) to 10(10) cells per g [dry weight]) of heterotrophic, gram-negative, rod-shaped, non-sporeforming, aerobic, thermophilic bacteria related to the genus Thermus were isolated from thermogenic composts at temperatures between 65 and 82 degrees C. These bacteria were present in different types of waste...

journal_title：Applied and environmental microbiology

authors： Beffa T,Blanc M,Lyon PF,Vogt G,Marchiani M,Fischer JL,Aragno M

更新日期：1996-05-01 00:00:00

abstract：:Understanding of functional diversity of microbial populations has lagged description of their molecular diversity. Differences in substrate specificity, kinetics, products, and regulation can dramatically influence phenotypic variation among closely related strains, features that are missed when the strains studied a...

journal_title：Applied and environmental microbiology

authors： Rhodes AN,Fulthorpe RR,Tiedje JM

更新日期：2013-11-01 00:00:00

abstract：:Ammonia oxidation is a major process in nitrogen cycling, and it plays a key role in nitrogen limited soil ecosystems such as those in the arctic. Although mm-scale spatial dependency of ammonia oxidizers has been investigated, little is known about the field-scale spatial dependency of aerobic ammonia oxidation proce...

journal_title：Applied and environmental microbiology

authors： Banerjee S,Siciliano SD

更新日期：2012-01-01 00:00:00

abstract：:We demonstrate that enhanced lysozyme resistance of enteropathogenic Escherichia coli requires the plasmid-encoded regulator, Per, and is mediated by factors outside the locus for enterocyte effacement. EspC, a Per-activated serine protease autotransporter protein, conferred enhanced resistance on nonpathogenic E. col...

journal_title：Applied and environmental microbiology

authors： Salinger N,Kokona B,Fairman R,Okeke IN

更新日期：2009-01-01 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) in anoxic waters and sediments are the major producers of methylmercury in aquatic systems. Although a considerable amount of work has addressed the environmental factors that control methylmercury formation and the conditions that control bioavailability of inorganic mercury to SRB, li...

journal_title：Applied and environmental microbiology

authors： Ekstrom EB,Morel FM,Benoit JM

更新日期：2003-09-01 00:00:00

abstract：:Depending on the moment of cellobiose starvation, Clostridium cellulolyticum cells behave in different ways. Cells starved during the exponential phase of growth sporulate at 30%, whereas exhaustion of the carbon substrate at the beginning of growth does not provoke cell sporulation. Growth in the presence of excess c...

journal_title：Applied and environmental microbiology

authors： Gehin A,Gelhaye E,Raval G,Petitdemange H

更新日期：1995-03-01 00:00:00

abstract：:After propagation of Rhizopus javanicus in defined media containing glucose, urea, and mineral salts in deionized distilled water, the ability of the nonliving biomass to sequester cupric ion was assayed. Growth, uptake capacity (saturation uptake at >1 mM Cu concentration in solution), and biosorptive yield (biomass ...

journal_title：Applied and environmental microbiology

authors： Treen-Sears ME,Martin SM,Volesky B

更新日期：1984-07-01 00:00:00

abstract：:Biocontrol agents generally do not perform well enough under field conditions to compete with chemical fungicides. We determined whether transgenic strain SJ3-4 of Trichoderma atroviride, which expresses the Aspergillus niger glucose oxidase-encoding gene, goxA, under a homologous chitinase (nag1) promoter had increas...

journal_title：Applied and environmental microbiology

authors： Brunner K,Zeilinger S,Ciliento R,Woo SL,Lorito M,Kubicek CP,Mach RL

更新日期：2005-07-01 00:00:00

abstract：:Infectious salmon anemia (ISA) is a serious disease of marine-farmed Atlantic salmon (Salmo salar) caused by ISA virus (ISAV), belonging to the genus Isavirus, family Orthomyxoviridae. There is an urgent need to understand the virulence factors and pathogenic mechanisms of ISAV and to develop new vaccine approaches. U...

journal_title：Applied and environmental microbiology

authors： Toro-Ascuy D,Tambley C,Beltran C,Mascayano C,Sandoval N,Olivares E,Medina RA,Spencer E,Cortez-San Martín M

更新日期：2015-02-01 00:00:00

abstract：:A simple microplate method was devised to assay spore production by Colletotrichum gloeosporioides by growing the fungus on 1 ml of solid media in the wells of tissue culture plates. Growth and sporulation on microplates were compared at days 4 and 8 with growth and sporulation in 100-ml liquid batch cultures that inv...

journal_title：Applied and environmental microbiology

authors： Slade SJ,Harris RF,Smith CS,Andrews JH,Nordheim EV

更新日期：1987-04-01 00:00:00

abstract：:Proteorhodopsins (PRs) are widespread bacterial integral membrane proteins that function as light-driven proton pumps. Antarctic sea ice supports a complex community of autotrophic algae, heterotrophic bacteria, viruses, and protists that are an important food source for higher trophic levels in ice-covered regions of...

journal_title：Applied and environmental microbiology

authors： Koh EY,Atamna-Ismaeel N,Martin A,Cowie RO,Beja O,Davy SK,Maas EW,Ryan KG

更新日期：2010-09-01 00:00:00

abstract：:The genus Burkholderia includes over 60 species isolated from a wide range of environmental niches and can be tentatively divided into two major species clusters. The first cluster includes pathogens such as Burkholderia glumae, B. pseudomallei, and B. mallei and 17 well-studied species of the Burkholderia cepacia com...

journal_title：Applied and environmental microbiology

authors： Suárez-Moreno ZR,Devescovi G,Myers M,Hallack L,Mendonça-Previato L,Caballero-Mellado J,Venturi V

更新日期：2010-07-01 00:00:00

abstract：:The transcript abundances of nitrate transporter genes (Nrt2) were proposed as potential markers for nitrogen deficiency in marine diatoms. To correctly quantify diatom Nrt2 mRNA in the East China Sea (ECS), we utilized both mixed-species sequencing and single-cell PCR to expand the sequence database for this region. ...

journal_title：Applied and environmental microbiology

authors： Kang LK,Wang HF,Chang J

更新日期：2011-01-01 00:00:00

abstract：:Thymidine incorporation by the microbial community on standing dead leaves of Spartina alterniflora did not obey many of the assumptions inherent in the use of the technique in planktonic systems. Incorporation rates of [methly-H]thymidine were nonsaturable over a wide concentration range (10 to 10 nM). Owing to metab...

journal_title：Applied and environmental microbiology

authors： Fallon RD,Newell SY

更新日期：1986-11-01 00:00:00