Characterization of thermostable cyclodextrinase from Clostridium thermohydrosulfuricum 39E.

abstract：:7 alpha-Dehydroxylation of cholic acid and chenodeoxycholic acid by whole cells of strain c-25, a Eubacterium lentum-like intestinal anaerobe, was studied. 7 alpha-Dehydroxylase activity was observed only in whole cells grown in the presence of the primary bile acid (cholic acid or chenodeoxycholic acid). Chenodeoxych...

journal_title：Applied and environmental microbiology

authors： Masuda N,Oda H,Hirano S,Masuda M,Tanaka H

更新日期：1984-04-01 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：:The well-established killing of bacteria by copper surfaces, also called contact killing, is currently believed to be a combined effect of bacterial contact with the copper surface and the dissolution of copper, resulting in lethal bacterial damage. Iron can similarly be released in ionic form from iron surfaces and w...

journal_title：Applied and environmental microbiology

authors： Mathews S,Kumar R,Solioz M

更新日期：2015-09-01 00:00:00

abstract：:A total of 896 samples of retail fresh meats and poultry was assayed for Escherichia coli serogroup O157:H7 by a hydrophobic grid membrane filter-immunoblot procedure developed specifically to isolate the organism from foods. The procedure involves several steps, including selective enrichment, filtration of enrichmen...

journal_title：Applied and environmental microbiology

authors： Doyle MP,Schoeni JL

更新日期：1987-10-01 00:00:00

abstract：:The symbiotic association between the roseobacter Silicibacter sp. strain TM1040 and the dinoflagellate Pfiesteria piscicida involves bacterial chemotaxis to dinoflagellate-produced dimethylsulfoniopropionate (DMSP), DMSP demethylation, and ultimately a biofilm on the surface of the host. Biofilm formation is coincide...

journal_title：Applied and environmental microbiology

authors： Geng H,Bruhn JB,Nielsen KF,Gram L,Belas R

更新日期：2008-03-01 00:00:00

abstract：:Marine microbial communities often contain multiple closely related phylogenetic clades, but in many cases, it is still unclear what physiological traits differentiate these putative ecotypes. The numerically abundant marine cyanobacterium Synechococcus can be divided into at least 14 clades. In order to better unders...

journal_title：Applied and environmental microbiology

authors： Ahlgren NA,Rocap G

更新日期：2006-11-01 00:00:00

abstract：:Anaerobic incubation of membrane filter cultures significantly enhanced detection of fecal coliforms in surface-water samples from recreational beaches. In contrast to standard aerobic incubation, anaerobic incubation suppressed overgrowth of masking, noncoliform bacteria but did not increase the frequency of fecal co...

journal_title：Applied and environmental microbiology

authors： Doyle JD,Tunnicliff B,Brickler SK,Kramer RE,Sinclair NA

更新日期：1984-08-01 00:00:00

abstract：:The need for protozoa for the proliferation of Legionella pneumophila in aquatic habitats is still not fully understood and is even questioned by some investigators. This study shows the in vivo growth of L. pneumophila in protozoa in aquatic biofilms developing at high concentrations on plasticized polyvinyl chloride...

journal_title：Applied and environmental microbiology

authors： Kuiper MW,Wullings BA,Akkermans AD,Beumer RR,van der Kooij D

更新日期：2004-11-01 00:00:00

abstract：:The hindguts of lower termites and Cryptocercus cockroaches are home to a distinct community of archaea, bacteria, and protists (primarily parabasalids and some oxymonads). Within a host species, the composition of these hindgut communities appears relatively stable, but the evolutionary and ecological factors structu...

journal_title：Applied and environmental microbiology

authors： Tai V,James ER,Nalepa CA,Scheffrahn RH,Perlman SJ,Keeling PJ

更新日期：2015-02-01 00:00:00

abstract：:A quick and simple protocol for long-term cryopreservation of anaerobic ammonium-oxidizing bacteria (anammox bacteria) was developed. After 29 weeks of preservation at -80°C, activity recovery for all tested cultures under at least one of the applied sets of preservation conditions was observed. Growth recovery was al...

journal_title：Applied and environmental microbiology

authors： Heylen K,Ettwig K,Hu Z,Jetten M,Kartal B

更新日期：2012-04-01 00:00:00

abstract：:Broad-host-range catabolic plasmids play an important role in bacterial degradation of man-made compounds. To gain insight into the role of these plasmids in chloroaniline degradation, we determined the first complete nucleotide sequences of an IncP-1 chloroaniline degradation plasmid, pWDL7::rfp and its close relativ...

journal_title：Applied and environmental microbiology

authors： Król JE,Penrod JT,McCaslin H,Rogers LM,Yano H,Stancik AD,Dejonghe W,Brown CJ,Parales RE,Wuertz S,Top EM

更新日期：2012-02-01 00:00:00

abstract：:Recent functional genomics and genome-scale modeling approaches indicated that B(12) production in Lactobacillus reuteri could be improved by optimization of the medium. Here we show that a series of systematic single-amino-acid omissions could significantly modulate the production of B(12) from nearly undetectable le...

journal_title：Applied and environmental microbiology

authors： Santos F,Teusink B,Molenaar D,van Heck M,Wels M,Sieuwerts S,de Vos WM,Hugenholtz J

更新日期：2009-06-01 00:00:00

abstract：:To secure food and water safety, quantitative information on multiple pathogens is important. In this study, we developed a microfluidic quantitative PCR (MFQPCR) system to simultaneously quantify 11 major human viral pathogens, including adenovirus, Aichi virus, astrovirus, enterovirus, human norovirus, rotavirus, sa...

journal_title：Applied and environmental microbiology

authors： Ishii S,Kitamura G,Segawa T,Kobayashi A,Miura T,Sano D,Okabe S

更新日期：2014-12-01 00:00:00

abstract：:The interaction between Glomus intraradices and Pratylenchus coffeae on transformed carrot roots was studied in root organ culture. G. intraradices provided the roots with increased protection against P. coffeae by suppressing nematode reproduction in the roots. The internal and external mycorrhizal development was no...

journal_title：Applied and environmental microbiology

authors： Elsen A,Declerck S,De Waele D

更新日期：2003-07-01 00:00:00

abstract：:Concerns regarding the depletion of the world's reserves of oil and global climate change have promoted an intensification of research and development toward the production of biofuels and other alternative sources of energy during the last years. There is currently much interest in developing the technology for third...

journal_title：Applied and environmental microbiology

authors： Ortiz-Marquez JC,Do Nascimento M,Dublan Mde L,Curatti L

更新日期：2012-04-01 00:00:00

abstract：:Pseudomonas putida KT2440, a saprophytic soil bacterium that colonizes the plant root, is a suitable microorganism for the removal of pollutants and a stable host for foreign genes used in biotransformation processes. Because of its potential use in agriculture and industry, we investigated the conditions for the opti...

journal_title：Applied and environmental microbiology

authors： Muñoz-Rojas J,Bernal P,Duque E,Godoy P,Segura A,Ramos JL

更新日期：2006-01-01 00:00:00

abstract：:The effect of selenite on the growth rate and protein synthesis has been investigated in Rhodobacter sphaeroides. This photosynthetic bacterium efficiently reduces selenite with intracellular accumulation under both dark aerobic and anaerobic photosynthetic conditions. Addition of 1 mM selenite under these two growth ...

journal_title：Applied and environmental microbiology

authors： Bebien M,Chauvin JP,Adriano JM,Grosse S,Verméglio A

更新日期：2001-10-01 00:00:00

abstract：:The respiration of three phenotypes of Histoplasma capsulatum, the causal agent of histoplasmosis in humans, was markedly reduced by low concentrations of montmorillonite but was reduced less by even higher concentrations of kaolinite or attapulgite (palygorskite). The reduction in respiration followed a pattern that ...

journal_title：Applied and environmental microbiology

authors： Lavie S,Stotzky G

更新日期：1986-01-01 00:00:00

abstract：:Anaerobic acetate degradation at 70 degrees C and at 55 degrees C (as a reference) was studied by running laboratory upflow anaerobic sludge blanket (UASB) reactors inoculated with mesophilic granular sludge. In UASB reactors fed with acetate-containing media (3 g of chemical oxygen demand [COD] per liter, correspondi...

journal_title：Applied and environmental microbiology

authors： Rintala J,Lepistö S,Ahring B

更新日期：1993-06-01 00:00:00

abstract：:Molecular analysis of grassland rhizosphere soil has demonstrated complex and diverse bacterial communities, with resultant difficulties in detecting links between plant and bacterial communities. These studies have, however, analyzed "bulk" rhizosphere soil, rather than rhizoplane communities, which interact most clo...

journal_title：Applied and environmental microbiology

authors： Nunan N,Daniell TJ,Singh BK,Papert A,McNicol JW,Prosser JI

更新日期：2005-11-01 00:00:00

abstract：:"Candidatus Nitrosotenuis uzonensis" is the only cultured moderately thermophilic member of the thaumarchaeotal order Nitrosopumilales (NP) that contains many mesophilic marine strains. We examined its membrane lipid composition at different growth temperatures (37°C, 46°C, and 50°C). Its lipids were all membrane-span...

journal_title：Applied and environmental microbiology

authors： Bale NJ,Palatinszky M,Rijpstra WIC,Herbold CW,Wagner M,Sinninghe Damsté JS

更新日期：2019-10-01 00:00:00

abstract：:Identifying and overcoming the limitations preventing efficient high-yield production of chemicals remain important tasks in metabolic engineering. In an attempt to rewire Corynebacterium glutamicum to produce ethanol, we attained a low yield (63% of the theoretical) when using resting cells on glucose, and large amou...

journal_title：Applied and environmental microbiology

authors： Shen J,Chen J,Solem C,Jensen PR,Liu JM

更新日期：2020-11-24 00:00:00

abstract：:Human norovirus (NoV) is the leading cause of nonbacterial acute gastroenteritis epidemics worldwide. High-pressure processing (HPP) has been considered a promising nonthermal processing technology to inactivate food- and waterborne viral pathogens. Due to the lack of an effective cell culture method for human NoV, th...

journal_title：Applied and environmental microbiology

authors： Lou F,Huang P,Neetoo H,Gurtler JB,Niemira BA,Chen H,Jiang X,Li J

更新日期：2012-08-01 00:00:00

abstract：:Deep-subsurface samples obtained by deep drilling are likely to be contaminated with mesophilic microorganisms in the drilling fluid, and this could affect determination of the community structure of the geothermal microflora using 16S rRNA gene clone library analysis. To eliminate possible contamination by PCR-amplif...

journal_title：Applied and environmental microbiology

authors： Kimura H,Sugihara M,Kato K,Hanada S

更新日期：2006-01-01 00:00:00

abstract：:The assembly of six genes that encode enzymes from glutamate-fermenting bacteria converted Escherichia coli into a glutaconate producer when grown anaerobically on a complex medium. The new anaerobic pathway starts with 2-oxoglutarate from general metabolism and proceeds via (R)-2-hydroxyglutarate, (R)-2-hydroxyglutar...

journal_title：Applied and environmental microbiology

authors： Djurdjevic I,Zelder O,Buckel W

更新日期：2011-01-01 00:00:00

abstract：:To measure genetic variation within and among populations of the bloom-forming cyanobacterium Microcystis aeruginosa, we surveyed a suite of lakes in the southern peninsula of Michigan that vary in productivity (total phosphorus concentrations of approximately 10 to 100 microg liter(-1)). Survival of M. aeruginosa iso...

journal_title：Applied and environmental microbiology

authors： Wilson AE,Sarnelle O,Neilan BA,Salmon TP,Gehringer MM,Hay ME

更新日期：2005-10-01 00:00:00

abstract：:A novel xylanase (xylanase IV) which produces xylotetraose as the only low-molecular-weight oligosaccharide from oat spelt xylan was isolated from the culture medium of Aeromonas caviae ME-1. By sodium dodecyl sulfate-polyacrylamide gel electrophoresis, the xylanase IV molecular weight was 41,000. Xylanase IV catalyze...

journal_title：Applied and environmental microbiology

authors： Kubata BK,Takamizawa K,Kawai K,Suzuki T,Horitsu H

更新日期：1995-04-01 00:00:00

abstract：:We developed a PCR detection method that selectively recognizes a single biological control agent and demonstrated that universally primed PCR (UP-PCR) can identify strain-specific markers. Antagonistic strains of Clonostachys rosea (syn. Gliocladium roseum) were screened by UP-PCR, and a strain-specific marker was id...

journal_title：Applied and environmental microbiology

authors： Bulat SA,Lübeck M,Alekhina IA,Jensen DF,Knudsen IM,Lübeck PS

更新日期：2000-11-01 00:00:00

abstract：:Next-generation sequencing (NGS) opens up exciting possibilities for improving our knowledge of environmental microbial diversity, allowing rapid and cost-effective identification of both cultivated and uncultivated microorganisms. However, library preparation, sequencing, and analysis of the results can provide inacc...

journal_title：Applied and environmental microbiology

authors： Cruaud P,Vigneron A,Lucchetti-Miganeh C,Ciron PE,Godfroy A,Cambon-Bonavita MA

更新日期：2014-08-01 00:00:00

abstract：:An inexpensive, simple-to-construct nephelometer which was used to monitor the lysis of spheroplasts is described. The nephelometer is a flow-through device with a linear response to cell concentration from the lower detection limit to 8 x 10(8) cells per ml. ...

journal_title：Applied and environmental microbiology

authors： Smith TL,Witter LD

更新日期：1982-12-01 00:00:00