Evidence for geographic isolation and signs of endemism within a protistan morphospecies.

abstract：:Plants are in constant contact with a community of soil biota that contains fungi ranging from pathogenic to symbiotic. A few studies have demonstrated a critical role of chemical communication in establishing highly specialized relationships, but the general role for root exudates in structuring the soil fungal commu...

journal_title：Applied and environmental microbiology

authors： Broeckling CD,Broz AK,Bergelson J,Manter DK,Vivanco JM

更新日期：2008-02-01 00:00:00

abstract：:An aseptic vacuum extraction technique was used to obtain xylem fluid from the roots of rough lemon (Citrus jambhiri Lush.) rootstock of Florida citrus trees. Bacteria were consistently isolated from vascular fluid of both healthy and young tree decline-affected trees. Thirteen genera of bacteria were found, the most ...

journal_title：Applied and environmental microbiology

authors： Gardner JM,Feldman AW,Zablotowicz RM

更新日期：1982-06-01 00:00:00

abstract：:The diversities leaf-associated bacteria on nonnodulated (Nod(-)), wild-type nodulated (Nod(+)), and hypernodulated (Nod(++)) soybeans were evaluated by clone library analyses of the 16S rRNA gene. To analyze the impact of nitrogen fertilization on the bacterial leaf community, soybeans were treated with standard nitr...

journal_title：Applied and environmental microbiology

authors： Ikeda S,Anda M,Inaba S,Eda S,Sato S,Sasaki K,Tabata S,Mitsui H,Sato T,Shinano T,Minamisawa K

更新日期：2011-03-01 00:00:00

abstract：:Preliminary observations in a large-scale fermentation process suggested that the lipase expression of Pseudomonas alcaligenes can be switched on by the addition of certain medium components, such as soybean oil. In an attempt to elucidate the mechanism of induction of lipase expression, we have set up a search method...

journal_title：Applied and environmental microbiology

authors： Krzeslak J,Gerritse G,van Merkerk R,Cool RH,Quax WJ

更新日期：2008-03-01 00:00:00

abstract：:Lecithin agar was developed on which phospholipase C produced turbid zones and phospholipase A produced clear zones. Reactions on lecithin agar agreed 74% of the time with reactions in egg yolk broth. On lecithin agar, interpretation was easier, phospholipase A was detectable, and opaque zones were visible 1 or 2 days...

journal_title：Applied and environmental microbiology

authors： Chrisope GL,Fox CW,Marshall RT

更新日期：1976-05-01 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：:The bile salt hydrolase activity in intestinal homogenates reflects composite activities of the gastrointestinal microbial consortia. We have proposed that specific transformations of conjugated bile acids by the intestinal microflora result in the production of metabolites which depress the growth of poultry. The inf...

journal_title：Applied and environmental microbiology

authors： Feighner SD,Dashkevicz MP

更新日期：1988-02-01 00:00:00

abstract：:Clostridium-botulinum type A and type B spores were stored in tomato juice (pH 4.2) and citric acid-phosphate buffer (pH 4.2) at 4, 22, and 32 degrees C for 180 days. The spore count was determined at different intervals over the 180-day storage period. There was no significant decrease in the number of type A spores ...

journal_title：Applied and environmental microbiology

authors： Odlaug TE,Pflug IJ

更新日期：1977-07-01 00:00:00

abstract：:A new design, flat-bottom combination pH electrode was evaluated for utility in determining the pH of prepared agar media by surface contact of the electrode with the agar media. ...

journal_title：Applied and environmental microbiology

authors： Gorski TW,Ritzert RW

更新日期：1977-08-01 00:00:00

abstract：:Thirty presumptive Aeromonas hydrophila isolates were collected from estuarine sources using Rimler-Shotts media. Many of the isolates, especially the strains from a low-salinity site, were also identified as A. hydrophila using the API 20E system and two differential techniques devised for the identification of A. hy...

journal_title：Applied and environmental microbiology

authors： Davis JW,Sizemore RK

更新日期：1981-09-01 00:00:00

abstract：:In various sediments in which Fe(III) reduction was the terminal electron-accepting process, [C]glucose was fermented to C-fatty acids in a manner similar to that observed in methanogenic sediments. These results are consistent with the hypothesis that, in Fe(III)-reducing sediments, fermentable substrates are oxidize...

journal_title：Applied and environmental microbiology

authors： Lovley DR,Phillips EJ

更新日期：1989-12-01 00:00:00

abstract：:The thermophilic acetogenic bacterium Thermoanaerobacter kivui, previously described not to use carbon monoxide as a carbon and energy source, was adapted to grow on CO. This was achieved by using a preculture grown on H2 plus CO2 and by increasing the CO concentration in small, 10% increments.T. kivui was finally abl...

journal_title：Applied and environmental microbiology

authors： Weghoff MC,Müller V

更新日期：2016-04-04 00:00:00

abstract：:Procedures based on DNA hybridization and PCR were developed for quality control of Rhizobium inoculants. Inoculants for pea and goat's rue were produced by Elomestari Ltd., Juva, Finland, in sterile dry fine peat by the standard procedure used by the company. The inoculants contained Rhizobium galegae HAMBI 1174 and ...

journal_title：Applied and environmental microbiology

authors： Tas E,Saano A,Leinonen P,Lindström K

更新日期：1995-05-01 00:00:00

abstract：:The conjugal transfer of R-plasmids is known to occur at temperatures above 22 degrees C. We found that R1drd-19 is transferable below 22 degrees C, and we discuss this finding in the context of plasmid transfer in environmental waters. ...

journal_title：Applied and environmental microbiology

authors： Singleton P,Anson AE

更新日期：1981-11-01 00:00:00

abstract：:Because dihydrostreptomycin can remain as a slowly removed antibiotic residue in dairy animals and because of the need for more sensitive procedures with which to provide information concerning antibiotic residues in food products, procedures were developed in more sensitive assays of dihydrostreptomycin in milk and s...

journal_title：Applied and environmental microbiology

authors： Inglis JM,Katz SE

更新日期：1978-03-01 00:00:00

abstract：:In a batch of barley associated with field cases of mycotoxic porcine nephropathy and containing ochratoxin A and citrinin, the mycoflora were isolated by parallel incubation at 10 and 25 degrees C. Subsequently, the isolated cultures were checked for production of nephrotoxins (xanthomegnin, viomellein, ochratoxin, a...

journal_title：Applied and environmental microbiology

authors： Hald B,Christensen DH,Krogh P

更新日期：1983-12-01 00:00:00

abstract：:A group-specific PCR-based denaturing gradient gel electrophoresis (DGGE) method was developed and combined with group-specific clone library analysis to investigate the diversity of the Clostridium leptum subgroup in human feces. PCR products (length, 239 bp) were amplified using C. leptum cluster-specific primers an...

journal_title：Applied and environmental microbiology

authors： Shen J,Zhang B,Wei G,Pang X,Wei H,Li M,Zhang Y,Jia W,Zhao L

更新日期：2006-08-01 00:00:00

abstract：:pAM beta 1, a 26.5-kilobase plasmid originally isolated from Streptococcus faecalis, was conjugally transferred from Streptococcus lactis to Bacillus subtilis. No conjugal transfer of pAM beta 1 from B. subtilis to S. lactis was observed. In addition, pAM beta 1 which had been reintroduced in S. lactis after cycling t...

journal_title：Applied and environmental microbiology

authors： van der Lelie D,Venema G

更新日期：1987-10-01 00:00:00

abstract：:Three cutinase gene-like genes from the basidiomycete Coprinopsis cinerea (Coprinus cinereus) found with a similarity search were cloned and expressed in Trichoderma reesei under the control of an inducible cbh1 promoter. The selected transformants of all three polyesterase constructs showed activity with p-nitropheny...

journal_title：Applied and environmental microbiology

authors： Kontkanen H,Westerholm-Parvinen A,Saloheimo M,Bailey M,Rättö M,Mattila I,Mohsina M,Kalkkinen N,Nakari-Setälä T,Buchert J

更新日期：2009-04-01 00:00:00

abstract：:We report an ex vivo method, which uses pieces of human skin excised during routine plastic surgery, for testing survival of hazardous pathogens. Using this procedure, we compared the survival of human herpesvirus 2 on human skin and on metal disks. At the physiological skin temperature of 32 degrees C, the half-life ...

journal_title：Applied and environmental microbiology

authors： Graham ML,Springthorpe VS,Sattar SA

更新日期：1996-11-01 00:00:00

abstract：:Phenolic compounds are believed to be promising candidates as complementary therapeutics. Maple syrup, prepared by concentrating the sap from the North American maple tree, is a rich source of natural and process-derived phenolic compounds. In this work, we report the antimicrobial activity of a phenolic-rich maple sy...

journal_title：Applied and environmental microbiology

authors： Maisuria VB,Hosseinidoust Z,Tufenkji N

更新日期：2015-06-01 00:00:00

abstract：:Lactobacillus plantarum is an attractive candidate for bioprocessing of lignocellulosic biomass due to its high metabolic variability, including its ability to ferment both pentoses and hexoses, as well as its high acid tolerance, a quality often utilized in industrial processes. This bacterium grows naturally on biom...

journal_title：Applied and environmental microbiology

authors： Moraïs S,Shterzer N,Grinberg IR,Mathiesen G,Eijsink VG,Axelsson L,Lamed R,Bayer EA,Mizrahi I

更新日期：2013-09-01 00:00:00

abstract：:This study was performed to determine the effects of feeding a fiber-rich fraction of Brassica vegetables on the immune response through changes in enteric bacteria and short-chain fatty acid (SCFA) production in normal mice. The boiled-water-insoluble fraction of Brassica rapa L. (nozawana), which consists mainly of ...

journal_title：Applied and environmental microbiology

authors： Tanaka S,Yamamoto K,Yamada K,Furuya K,Uyeno Y

更新日期：2016-04-18 00:00:00

abstract：:The 3-hydroxy fatty acids (3-OHFAs) in lipopolysaccharides (LPS) play an important role in determining endotoxin activity, and childhood exposure to endotoxin has recently been associated with reduced risk of atopic diseases. To characterize the 3-OHFAs in house dust (HD), we used gas chromatography-mass spectrometry ...

journal_title：Applied and environmental microbiology

authors： Park JH,Szponar B,Larsson L,Gold DR,Milton DK

更新日期：2004-01-01 00:00:00

abstract：UNLABELLED:The McMurdo Dry Valleys (MCM) of southern Victoria Land, Antarctica, harbor numerous ice-covered bodies of water that provide year-round liquid water oases for isolated food webs dominated by the microbial loop. Single-cell microbial eukaryotes (protists) occupy major trophic positions within this truncated ...

journal_title：Applied and environmental microbiology

authors： Li W,Podar M,Morgan-Kiss RM

更新日期：2016-05-31 00:00:00

abstract：:Three different gels (Sepharose 4B, Sephadex G-200, and Sephadex G-50) were evaluated as a means of removing humic contaminants from DNA extracts of environmental samples. Sepharose 4B gave superior separation of DNA from humics, and DNA purified in this way showed consistently greater amplification than DNA purified ...

journal_title：Applied and environmental microbiology

authors： Jackson CR,Harper JP,Willoughby D,Roden EE,Churchill PF

更新日期：1997-12-01 00:00:00

abstract：:The extremely thermophilic anaerobic archaeon strain B1001 was isolated from a hot-spring environment in Japan. The cells were irregular cocci, 0.5 to 1.0 micrometers in diameter. The new isolate grew at temperatures between 60 and 95 degrees C (optimum, 85 degrees C), from pH 5.0 to 9.0 (optimum, pH 7.0), and from 1....

journal_title：Applied and environmental microbiology

authors： Tachibana Y,Kuramura A,Shirasaka N,Suzuki Y,Yamamoto T,Fujiwara S,Takagi M,Imanaka T

更新日期：1999-05-01 00:00:00

abstract：:The single glucosyltransferase (GTF) of Streptococcus gordonii Challis CH1 makes alpha 1,3- and alpha 1,6-linked glucans from sucrose. The GTF carboxyl-terminal region has six direct repeats thought to be involved in glucan binding. Strains with defined mutations in this region have been described recently (M. M. Vick...

journal_title：Applied and environmental microbiology

authors： Vickerman MM,Clewell DB

更新日期：1997-05-01 00:00:00

abstract：:Bacillus thuringiensis three-domain Cry toxins kill insects by forming pores in the apical membrane of larval midgut cells. Oligomerization of the toxin is an important step for pore formation. Domain I helix α-3 participates in toxin oligomerization. Here we identify an intramolecular salt bridge within helix α-3 of ...

journal_title：Applied and environmental microbiology

authors： Pacheco S,Gómez I,Sánchez J,García-Gómez BI,Soberón M,Bravo A

更新日期：2017-09-29 00:00:00

abstract：:The lytic activity of 132 phages isolated during slow acid production in cheese factories situated in all the dairying regions of France during the past 16 years has been determined on 291 strains of mesophilic lactic streptococci. The results have been treated according to a method of analysis of data so as to establ...

journal_title：Applied and environmental microbiology

authors： Chopin MC,Chopin A,Roux C

更新日期：1976-12-01 00:00:00