Enhanced Production of Surfactin from Bacillus subtilis by Continuous Product Removal and Metal Cation Additions.

abstract：:Enumeration of lactic acid streptococci from dairy starter cultures on Elliker agar was improved by the addition of 0.4% (wt/vol) diammonium phosphate. Agar plate counts were up to 7.75 times greater due to improved buffering by the phosphate salt. ...

journal_title：Applied and environmental microbiology

authors： Barach JT

更新日期：1979-07-01 00:00:00

abstract：:To simulate growth conditions experienced by microbiota at O(inf2)-limited interfaces of organic matter in compost, an experimental system capable of maintaining dual limitations of oxygen and carbon for extended periods, i.e., a pO(inf2)-auxostat, has been used. (sup15)N tracer studies on thermophilic (53(deg)C) deco...

journal_title：Applied and environmental microbiology

authors： Pel R,Oldenhuis R,Brand W,Vos A,Gottschal JC,Zwart KB

更新日期：1997-02-01 00:00:00

abstract：:A recombinant Escherichia coli strain carrying a plasmid with an antibiotic resistance marker and expressing the green fluorescent protein was inoculated at a concentration of 3.8 x 10(8) CFU/g into direct-cut wheat (348 g of dry matter kg(-1)), wilted wheat (450 g of dry matter kg(-1)), and corn (375 g of dry matter ...

journal_title：Applied and environmental microbiology

authors： Chen Y,Sela S,Gamburg M,Pinto R,Weinberg ZG

更新日期：2005-09-01 00:00:00

abstract：:The microaerophilic bacterium Campylobacter jejuni is the most common cause of bacterial food-borne infections in the developed world. Tolerance to environmental stress relies on proteases and chaperones in the cell envelope, such as HtrA and SurA. HtrA displays both chaperone and protease activities, but little is kn...

journal_title：Applied and environmental microbiology

authors： Baek KT,Vegge CS,Skórko-Glonek J,Brøndsted L

更新日期：2011-01-01 00:00:00

abstract：:Actinomycete isolates from indoor air and dust in water-damaged schools and children's day care centers were tested for toxicity by using boar spermatozoa as an indicator. Toxicity was detected in extracts of four strains which caused a loss of sperm motility, and the 50% effective concentrations (EC50) were 10 to 63 ...

journal_title：Applied and environmental microbiology

authors： Andersson MA,Mikkola R,Kroppenstedt RM,Rainey FA,Peltola J,Helin J,Sivonen K,Salkinoja-Salonen MS

更新日期：1998-12-01 00:00:00

abstract：:Agrochemicals, fecal indicator bacteria (FIB), and pathogens frequently contaminate water simultaneously. No significant direct effects of fertilizer, atrazine, malathion, and chlorothalonil on the survival of Escherichia coli, Enterococcus faecalis, Salmonella enterica, human polyomaviruses, and adenovirus were detec...

journal_title：Applied and environmental microbiology

authors： Staley ZR,Senkbeil JK,Rohr JR,Harwood VJ

更新日期：2012-11-01 00:00:00

abstract：:Helicobacter pylori is considered one of the major risk factors underlying the development of gastritis and gastric and duodenal ulcers. Moreover, 50% of the population carries this bacterium, and consequently, when it is detected, eradication of H. pylori is strongly recommended. Regarding the use of probiotics as fu...

journal_title：Applied and environmental microbiology

authors： Chenoll E,Casinos B,Bataller E,Astals P,Echevarría J,Iglesias JR,Balbarie P,Ramón D,Genovés S

更新日期：2011-02-01 00:00:00

abstract：:A device for sampling at depths of up to 6,000 m is described in which 3 liters of seawater is concentrated over a Nucleopore filter to about 13 ml and retrieved under in situ pressure and temperature. Subsamples can be withdrawn into transfer units that are equipped with individual gas accumulators for preventing los...

journal_title：Applied and environmental microbiology

authors： Jannasch HW,Wirsen CO

更新日期：1977-03-01 00:00:00

abstract：:A novel catabolic transformation of vanillic acid (4-hydroxy-3-methoxybenzoic acid) by microorganisms is reported. Several strains of Bacillus megaterium and a strain of Streptomyces are shown to convert vanillate to guaiacol (o-methoxyphenol) and CO2 by nonoxidative decarboxylation. Use of a modified most-probable-nu...

journal_title：Applied and environmental microbiology

authors： Crawford RL,Olson PP

更新日期：1978-10-01 00:00:00

abstract：:Listeria monocytogenes is among the most important food-borne pathogens and is well adapted to persist in the environment. To gain insight into the genetic relatedness and potential virulence of L. monocytogenes strains causing central nervous system (CNS) infections, we used multilocus variable-number tandem-repeat a...

journal_title：Applied and environmental microbiology

authors： Balandyté L,Brodard I,Frey J,Oevermann A,Abril C

更新日期：2011-12-01 00:00:00

abstract：:The U.S. Environmental Protection Agency's information collection rule requires the use of 1MDS electropositive filters for concentrating enteric viruses from water, but unfortunately, these filters are not cost-effective for routine viral monitoring. In this study, an inexpensive electropositive cartridge filter, the...

journal_title：Applied and environmental microbiology

authors： Karim MR,Rhodes ER,Brinkman N,Wymer L,Fout GS

更新日期：2009-04-01 00:00:00

abstract：:Cydia pomonella granulovirus (CpGV) is an important biocontrol agent for the codling moth (CM) in organic and integrated apple production worldwide. Previously, Z chromosome-linked dominant resistance in at least 38 CM field populations in Europe was reported, threatening organic apple production. Growers responded by...

journal_title：Applied and environmental microbiology

authors： Jehle JA,Schulze-Bopp S,Undorf-Spahn K,Fritsch E

更新日期：2016-12-30 00:00:00

abstract：:Free-living soybean rhizobia and Bradyrhizobium spp. (lupine) have the ability to catabolize ethanol. Of the 30 strains of rhizobia examined, only the fast- and slow-growing soybean rhizobia and the slow-growing Bradyrhizobium sp. (lupine) were capable of using ethanol as a sole source of carbon and energy for growth....

journal_title：Applied and environmental microbiology

authors： Sadowsky MJ,Bohlool BB

更新日期：1986-10-01 00:00:00

abstract：:Oil field bacteria were characterized by cloning and sequencing of PCR-amplified 16S rRNA genes. A variety of gram-negative, sulfate-reducing bacteria was detected (16 members of the family Desulfovibrionaceae and 8 members of the family Desulfobacteriaceae). In contrast, a much more limited number of anaerobic, ferme...

journal_title：Applied and environmental microbiology

authors： Voordouw G,Armstrong SM,Reimer MF,Fouts B,Telang AJ,Shen Y,Gevertz D

更新日期：1996-05-01 00:00:00

abstract：:We previously reported the isolation of a 21.5-kb genomic DNA fragment from Pseudomonas sp. strain ADP, which contains the atzA gene, encoding the first metabolic step for the degradation of the herbicide atrazine (M. de Souza, L. P. Wackett, K. L. Boundy-Mills, R. T. Mandelbaum, and M. J. Sadowsky, Appl. Environ. Mic...

journal_title：Applied and environmental microbiology

authors： Boundy-Mills KL,de Souza ML,Mandelbaum RT,Wackett LP,Sadowsky MJ

更新日期：1997-03-01 00:00:00

abstract：:The mode of action of purified aminopeptidase N from Lactococcus lactis subsp. cremoris Wg2 on a complex peptide mixture of a tryptic digest from bovine beta-casein was analyzed. The oligopeptides produced in the tryptic digest before and after aminopeptidase N treatment were identified by analysis of the N- and C-ter...

journal_title：Applied and environmental microbiology

authors： Tan PS,van Kessel TA,van de Veerdonk FL,Zuurendonk PF,Bruins AP,Konings WN

更新日期：1993-05-01 00:00:00

abstract：:The prokaryote community activity and structural characteristics within marine sediment sampled across a continental shelf area located off eastern Antarctica (66 degrees S, 143 degrees E; depth range, 709 to 964 m) were studied. Correlations were found between microbial biomass and aminopeptidase and chitinase rates,...

journal_title：Applied and environmental microbiology

authors： Bowman JP,McCammon SA,Gibson JA,Robertson L,Nichols PD

更新日期：2003-05-01 00:00:00

abstract：:The pediocin-like bacteriocins, produced by lactic acid bacteria, are bactericidal polypeptides with very similar primary structures. Peptide synthesis followed by reverse-phase and ion-exchange chromatographies yielded biologically active pediocin-like bacteriocins in amounts and with a purity sufficient for characte...

journal_title：Applied and environmental microbiology

authors： Fimland G,Blingsmo OR,Sletten K,Jung G,Nes IF,Nissen-Meyer J

更新日期：1996-09-01 00:00:00

abstract：:A field study was conducted to determine the microbial community structures of streambed sediments across diverse geographic and climatic areas. Sediment samples were collected from three adjacent headwater forest streams within three biomes, eastern deciduous (Pennsylvania), southeastern coniferous (New Jersey), and ...

journal_title：Applied and environmental microbiology

authors： Findlay RH,Yeates C,Hullar MA,Stahl DA,Kaplan LA

更新日期：2008-05-01 00:00:00

abstract：:The methylotrophic yeast Pichia pastoris has been utilized for heterologous protein expression for over 30 years. Because P. pastoris secretes few of its own proteins, the exported recombinant protein is the major polypeptide in the extracellular medium, making purification relatively easy. Unfortunately, some recombi...

journal_title：Applied and environmental microbiology

authors： Naranjo CA,Jivan AD,Vo MN,de Sa Campos KH,Deyarmin JS,Hekman RM,Uribe C,Hang A,Her K,Fong MM,Choi JJ,Chou C,Rabara TR,Myers G,Moua P,Thor,Risser DD,Vierra CA,Franz AH,Lin-Cereghino J,Lin-Cereghino GP

更新日期：2019-11-27 00:00:00

abstract：:The nprA gene, encoding Bacillus thuringiensis neutral protease A, was cloned by the use of gene-specific oligonucleotides. The size of neutral protease A deduced from the nprA sequence was 566 amino acids (60,982 Da). The cloned nprA gene was partially deleted in vitro, and the deleted allele, designated nprA3, was u...

journal_title：Applied and environmental microbiology

authors： Donovan WP,Tan Y,Slaney AC

更新日期：1997-06-01 00:00:00

abstract：:Various Listeria monocytogenes strains may contaminate a single food product, potentially resulting in simultaneous exposure of consumers to multiple strains. However, due to bias in strain recovery, L. monocytogenes strains isolated from foods by selective enrichment (SE) might not always represent those that can bet...

journal_title：Applied and environmental microbiology

authors： Zilelidou E,Karmiri CV,Zoumpopoulou G,Mavrogonatou E,Kletsas D,Tsakalidou E,Papadimitriou K,Drosinos E,Skandamis P

更新日期：2016-12-01 00:00:00

abstract：:The presence or absence of molecular oxygen has been shown to play a crucial role in the degradability of haloaromatic compounds. In the present study, it was shown that anaerobic phototrophic 3-chlorobenzoate (3CBA) metabolism by Rhodopseudomonas palustris DCP3 is oxygen tolerant up to a concentration of 3 microM O2....

journal_title：Applied and environmental microbiology

authors： Krooneman J,van den Akker S,Pedro Gomes TM,Forney LJ,Gottschal JC

更新日期：1999-01-01 00:00:00

abstract：:To study the anaerobic degradation of the chimera 3-chloro-4-hydroxybenzoate (3-Cl,4-OHB), anaerobic freshwater sediment samples from the vicinity of Athens, Ga., were adapted for the transformation of 4-hydroxybenzoate (4-OHB), 3-chlorobenzoate (3-CB), 2-chlorophenol (2-CP), and 2,4-dichlorophenol (2,4-DCP). In nonad...

journal_title：Applied and environmental microbiology

authors： Zhang X,Wiegel J

更新日期：1992-11-01 00:00:00

abstract：:Lactocin 705 is a bacteriocin whose activity depends upon the complementation of two peptides, termed Lac705alpha and Lac705beta. Neither Lac705alpha nor Lac705beta displayed bacteriocin activity by itself when the growth of sensitive cells was monitored. To obtain molecular insights into the lactocin 705 mechanism of...

journal_title：Applied and environmental microbiology

authors： Castellano P,Vignolo G,Farías RN,Arrondo JL,Chehín R

更新日期：2007-01-01 00:00:00

abstract：:Brevibacterium linens M18, isolated from red smear cheese, produces a substance that inhibits the growth of Listeria spp. and several coryneform and other gram-positive bacteria. No gram-negative bacteria were inhibited. The substance is heat labile, sensitive to proteolytic enzymes, and stable between pH 3 and 12. Hi...

journal_title：Applied and environmental microbiology

authors： Valdés-Stauber N,Scherer S

更新日期：1994-10-01 00:00:00

abstract：:An optical method to quantify the fungal hyphae within decomposing leaves of deciduous trees was developed. The plant matrix was partially destroyed under hydrolytic conditions, and fungal hyphae and cellulose residues within the leaves were stained with Calcofluor M2R. Cellulose residues were subsequently depolymeriz...

journal_title：Applied and environmental microbiology

authors： Daniel O,Schonholzer F,Zeyer J

更新日期：1995-11-01 00:00:00

abstract：:Azospirillum lipoferum 4T has original properties such as nonmotility, melanin synthesis, and laccase activity. Following random Tn5 mutagenesis in A. lipoferum 4T, we obtained 10 mutants which were affected in melanization and laccase activity. The class 1 mutants, with intermediate levels of laccase activity, showed...

journal_title：Applied and environmental microbiology

authors： Faure D,Bouillant ML,Bally R

更新日期：1994-09-01 00:00:00

abstract：:Insecticidal crystal proteins from Bacillus thuringiensis in sprays and transgenic crops are extremely useful for environmentally sound pest management, but their long-term efficacy is threatened by evolution of resistance by target pests. The diamondback moth (Plutella xylostella) is the first insect to evolve resist...

journal_title：Applied and environmental microbiology

authors： Ballester V,Granero F,Tabashnik BE,Malvar T,Ferré J

更新日期：1999-04-01 00:00:00

abstract：:Mycophenolic acid (MPA) is the active ingredient in the increasingly important immunosuppressive pharmaceuticals CellCept (Roche) and Myfortic (Novartis). Despite the long history of MPA, the molecular basis for its biosynthesis has remained enigmatic. Here we report the discovery of a polyketide synthase (PKS), MpaC,...

journal_title：Applied and environmental microbiology

authors： Regueira TB,Kildegaard KR,Hansen BG,Mortensen UH,Hertweck C,Nielsen J

更新日期：2011-05-01 00:00:00