Microbial conversion of glycerol to 1,3-propanediol: physiological comparison of a natural producer, Clostridium butyricum VPI 3266, and an engineered strain, Clostridium acetobutylicum DG1(pSPD5).

abstract：:In light of recent proposals that iron (Fe) availability may play an important role in controlling oceanic primary production and nutrient flux, its regulatory impact on N(2) fixation and production dynamics was investigated in the widespread and biogeochemically important diazotrophic, planktonic cyanobacteria Tricho...

journal_title：Applied and environmental microbiology

authors： Paerl HW,Prufert-Bebout LE,Guo C

更新日期：1994-03-01 00:00:00

abstract：:Obligate aerobic organisms rely on a functional electron transport chain for energy conservation and NADH oxidation. Because of this essential requirement, the genes of this pathway are likely constitutively and highly expressed to avoid a cofactor imbalance and energy shortage under fluctuating environmental conditio...

journal_title：Applied and environmental microbiology

authors： Nies SC,Dinger R,Chen Y,Wordofa GG,Kristensen M,Schneider K,Büchs J,Petzold CJ,Keasling JD,Blank LM,Ebert BE

更新日期：2020-05-19 00:00:00

abstract：:The isophthalate (IPA) degradation gene cluster (iphACBDR) responsible for the conversion of IPA into protocatechuate (PCA) was isolated from Comamonas sp. strain E6, which utilizes phthalate isomers as sole carbon and energy sources via the PCA 4,5-cleavage pathway. Based on amino acid sequence similarity, the iphA, ...

journal_title：Applied and environmental microbiology

authors： Fukuhara Y,Inakazu K,Kodama N,Kamimura N,Kasai D,Katayama Y,Fukuda M,Masai E

更新日期：2010-01-01 00:00:00

abstract：:Shewanella oneidensis couples oxidation of lactate to respiration of many substrates. Here we report that llpR (L-lactate-positive regulator, SO_3460) encodes a positive regulator of L-lactate utilization distinct from previously studied regulators. We also demonstrate D-lactate inhibition of L-lactate utilization in ...

journal_title：Applied and environmental microbiology

authors： Brutinel ED,Gralnick JA

更新日期：2012-12-01 00:00:00

abstract：:Enzymes with high specific activities at low temperatures have potential uses for chemical conversions when low temperatures are required, as in the food industry. Psychrotrophic microorganisms which grow at low temperatures may be a valuable source of cold-active enzymes that have higher activities at low temperature...

journal_title：Applied and environmental microbiology

authors： Trimbur DE,Gutshall KR,Prema P,Brenchley JE

更新日期：1994-12-01 00:00:00

abstract：:A beta-tubulin gene from a UV-irradiated benomyl-resistant mutant of Fusarium moniliforme was isolated, cloned, and sequenced. The gene encodes a 446-amino-acid polypeptide with homology to other fungal beta-tubulins. RNA blot analysis showed expression of the gene during vegetative growth and conidial germination but...

journal_title：Applied and environmental microbiology

authors： Yan K,Dickman MB

更新日期：1996-08-01 00:00:00

abstract：:The denitrifying betaproteobacterium "Aromatoleum aromaticum" strain EbN1 degrades several aromatic compounds, including ethylbenzene, toluene, p-cresol, and phenol, under anoxic conditions. The hydrophobicity of these aromatic solvents determines their toxic properties. Here, we investigated the response of strain Eb...

journal_title：Applied and environmental microbiology

authors： Trautwein K,Kühner S,Wöhlbrand L,Halder T,Kuchta K,Steinbüchel A,Rabus R

更新日期：2008-04-01 00:00:00

abstract：:Bcep22-like phages are a recently described group of podoviruses that infect strains of Burkholderia cenocepacia. We have isolated and characterized a novel member of this group named DC1. This podovirus shows many genomic similarities to BcepIL02 and Bcep22, but it infects strains belonging to multiple Burkholderia c...

journal_title：Applied and environmental microbiology

authors： Lynch KH,Stothard P,Dennis JJ

更新日期：2012-02-01 00:00:00

abstract：:Two Aeromonas hydrophila bacteriophages, Aeh1 and Aeh2, were isolated from sewage. Both phages showed binal symmetry. The dimensions of A. hydrophila phages Aeh1 and Aeh2 differed from those of the other Aeromonas phages. Also, phage Aeh2 was the largest Aeromonas phage studied to date. Phage Aeh1 formed small, clear ...

journal_title：Applied and environmental microbiology

authors： Chow MS,Rouf MA

更新日期：1983-05-01 00:00:00

abstract：:SAR11 bacteria are small, heterotrophic, marine alphaproteobacteria found throughout the oceans. They thrive at the low nutrient concentrations typical of open ocean conditions, although the adaptations required for life under those conditions are not well understood. To illuminate this issue, we used cryo-electron to...

journal_title：Applied and environmental microbiology

authors： Zhao X,Schwartz CL,Pierson J,Giovannoni SJ,McIntosh JR,Nicastro D

更新日期：2017-01-17 00:00:00

abstract：:[This corrects the article on p. 588 in vol. 60.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1994-06-01 00:00:00

abstract：:The extensive use of antibiotics in hospitals and in the animal breeding industry has promoted antibiotic resistance in bacteria, which resulted in the emergence of a large number of antibiotic resistance genes in the intestinal tract of human and farmed animals. Genetic exchange of resistance genes between the two ec...

journal_title：Applied and environmental microbiology

authors： Wang C,Song Y,Tang N,Zhang G,Leclercq SO,Feng J

更新日期：2020-12-11 00:00:00

abstract：:A norleucine-resistant mutant was derived from an isoleucine-valine auxotroph of a leucine accumulator of Serratia marcescens. The norleucine-resistant mutant could accumulate norleucine from norvaline in the medium without the addition of methionine, which antagonized norleucine. This mutant constitutively formed hom...

journal_title：Applied and environmental microbiology

authors： Kisumi M,Sugiura M,Chibata I

更新日期：1977-08-01 00:00:00

abstract：:An outstanding challenge toward efficient production of biofuels and value-added chemicals from plant biomass is the impact that lignocellulose-derived inhibitors have on microbial fermentations. Elucidating the mechanisms that underlie their toxicity is critical for developing strategies to overcome them. Here, using...

journal_title：Applied and environmental microbiology

authors： Pisithkul T,Jacobson TB,O'Brien TJ,Stevenson DM,Amador-Noguez D

更新日期：2015-09-01 00:00:00

abstract：:We identified a polyketide synthase (PKS) gene, pksN, from a strain of Nectria haematococca by complementing a mutant unable to synthesize a red perithecial pigment. pksN encodes a 2,106-amino-acid polypeptide with conserved motifs characteristic of type I PKS enzymatic domains: beta-ketoacyl synthase, acyltransferase...

journal_title：Applied and environmental microbiology

authors： Graziani S,Vasnier C,Daboussi MJ

更新日期：2004-05-01 00:00:00

abstract：:Selective adhesion to only certain epithelia is particularly common among the bacterial members of the indigenous microflora of mammals. We have found that the stratified squamous epithelium of the nonsecreting area of horse stomach is colonized by gram-positive rods. The microscopic features of a dense layer of these...

journal_title：Applied and environmental microbiology

authors： Yuki N,Shimazaki T,Kushiro A,Watanabe K,Uchida K,Yuyama T,Morotomi M

更新日期：2000-11-01 00:00:00

abstract：:Helix alpha 4 of Bacillus thuringiensis Cry toxins is thought to play a critical role in the toxins' mode of action. Accordingly, single-site substitutions of many Cry1Aa helix alpha 4 amino acid residues have previously been shown to cause substantial reductions in the protein's pore-forming activity. Changes in prot...

journal_title：Applied and environmental microbiology

authors： Girard F,Vachon V,Préfontaine G,Marceau L,Schwartz JL,Masson L,Laprade R

更新日期：2009-01-01 00:00:00

abstract：:The incidence of human infection with Campylobacter jejuni is increasing in most developed countries and the reason for this is largely unknown. Although poultry meat is considered to be a major source, it is evident that other reservoirs exist, possibly common to humans and poultry. Environmental sources are believed...

journal_title：Applied and environmental microbiology

authors： Petersen L,Nielsen EM,Engberg J,On SL,Dietz HH

更新日期：2001-07-01 00:00:00

abstract：:Different nutrient receptors varied in triggering germination of Bacillus subtilis spores with a pressure of 150 MPa, the GerA receptor being more responsive than the GerB receptor and even more responsive than the GerK receptor. This hierarchy in receptor responsiveness to pressure was the same as receptor responsive...

journal_title：Applied and environmental microbiology

authors： Black EP,Koziol-Dube K,Guan D,Wei J,Setlow B,Cortezzo DE,Hoover DG,Setlow P

更新日期：2005-10-01 00:00:00

abstract：:Mixed infections have important consequences for the ecology and evolution of host-parasite interactions. In vector-borne diseases, interactions between pathogens occur in both the vertebrate host and the arthropod vector. Spirochete bacteria belonging to the Borrelia burgdorferi sensu lato genospecies complex are tra...

journal_title：Applied and environmental microbiology

authors： Herrmann C,Gern L,Voordouw MJ

更新日期：2013-12-01 00:00:00

abstract：:The phospholipid fatty acid (PLFA) pattern was analyzed in a forest humus and in an arable soil experimentally polluted with Cd, Cu, Ni, Pb, or Zn at different concentrations. In both soil types, there were gradual changes in the PLFA patterns for the different levels of metal contamination. The changes in the forest ...

journal_title：Applied and environmental microbiology

authors： Frostegård A,Tunlid A,Bååth E

更新日期：1993-11-01 00:00:00

abstract：:Phages lytic to Vibrio vulnificus were found in estuarine waters, sediments, plankton, crustacea, molluscan shellfish, and the intestines of finfish of the U.S. Gulf Coast, but no apparent relationship between densities of V. vulnificus and its phages was observed. Phage diversity and abundance in molluscan shellfish ...

journal_title：Applied and environmental microbiology

authors： DePaola A,McLeroy S,McManus G

更新日期：1997-06-01 00:00:00

abstract：:This study used the technique of waiting time modeling to analyze the combined effects of temperature, pH, carbohydrate, protein, and lipid on the time-to-toxicity of Clostridium botulinum 56A. Waiting time models can be used whenever the time to the occurrence of some event is the variable of interest. In the case of...

journal_title：Applied and environmental microbiology

authors： Schaffner DW,Ross WH,Montville TJ

更新日期：1998-11-01 00:00:00

abstract：:Mn exerted various effects on the growth of Leptothrix discophora strain SS-1 in batch cultures depending on the concentration added to the medium. Concentrations of 0.55 to 5.5 muM Mn, comparable to those in the environment from which strain SS-1 was isolated, decreased cell yield and prolonged stationary-phase survi...

journal_title：Applied and environmental microbiology

authors： Adams LF,Ghiorse WC

更新日期：1985-03-01 00:00:00

abstract：:Air-dried soils which were equilibrated under relative humidities greater than 93% or moistened with liquid water showed marked increases in their capacities to oxidize CO to CO(2). Liquid water addition in excess of saturation resulted in lower CO oxidation rates, reflecting the limited diffusion of CO through the aq...

journal_title：Applied and environmental microbiology

authors： Spratt HG,Hubbard JS

更新日期：1981-05-01 00:00:00

abstract：:Fully grown broth cultures of various fast- and slow-growing rhizobia were deliberately diluted with various diluents before their aseptic incorporation into autoclaved peat in polypropylene bags (aseptic method) or mixed with the peat autoclaved in trays (tray method). In a factorial experiment with the aseptic metho...

journal_title：Applied and environmental microbiology

authors： Somasegaran P

更新日期：1985-08-01 00:00:00

abstract：:The intracellular pathogens Legionella micdadei and Legionella pneumophila are the two most common Legionella species that cause Legionnaires' disease. Intracellular replication within pulmonary cells is the hallmark of Legionnaires' disease. In the environment, legionellae are parasites of protozoans, and intracellul...

journal_title：Applied and environmental microbiology

authors： Abu Kwaik Y,Venkataraman C,Harb OS,Gao LY

更新日期：1998-09-01 00:00:00

abstract：:Wastewater disinfection is used in many countries for reducing fecal coliform levels in effluents. Disinfection is therefore frequently used to improve recreational bathing waters which do not comply with microbiological standards. It is unknown whether human enteric viruses (which are responsible for waterborne disea...

journal_title：Applied and environmental microbiology

authors： Tree JA,Adams MR,Lees DN

更新日期：2003-04-01 00:00:00

abstract：:Agrobacterium tumefaciens C58 grown on acidic medium containing glucose and solidified with bacteriological agar expressed a virB::lacZ fusion. No expression of this fusion was observed on a similar medium which was solidified with purified agarose. The fraction from bacteriological agar which was responsible for vir ...

journal_title：Applied and environmental microbiology

authors： Loubens I,Chilton WS,Dion P

更新日期：1997-11-01 00:00:00

abstract：:Bacteria in the genus Rickettsiella (Coxiellaceae), which are mainly known as arthropod pathogens, are emerging as excellent models to study transitions between mutualism and pathogenicity. The current report characterizes a novel Rickettsiella found in the leafhopper Orosius albicinctus (Hemiptera: Cicadellidae), a m...

journal_title：Applied and environmental microbiology

authors： Iasur-Kruh L,Weintraub PG,Mozes-Daube N,Robinson WE,Perlman SJ,Zchori-Fein E

更新日期：2013-07-01 00:00:00