Haloarchaea from the Andean Puna: Biological Role in the Energy Metabolism of Arsenic.

abstract：:This study is aimed to assess the formation of photosynthetic biofilms on and within different natural stone materials, and to analyse their biogeophysical and biogeochemical deterioration potential. This was performed by means of artificial colonisation under laboratory conditions during 3 months. Monitoring of micro...

journal_title：Microbial ecology

authors： Miller AZ,Rogerio-Candelera MA,Laiz L,Wierzchos J,Ascaso C,Sequeira Braga MA,Hernández-Mariné M,Maurício A,Dionísio A,Macedo MF,Saiz-Jimenez C

更新日期：2010-07-01 00:00:00

abstract：:The potential role of host plant species in the selection of symbiotic, nitrogen-fixing Frankia strains belonging to the Elaeagnus host infection group was assessed in bioassays with two Morella, three Elaeagnus, and one Shepherdia species as capture plants, inoculated with soil slurries made with soil collected from ...

journal_title：Microbial ecology

authors： Mirza BS,Welsh A,Rasul G,Rieder JP,Paschke MW,Hahn D

更新日期：2009-08-01 00:00:00

abstract：:Abstract New data on 129 bacterial isolates were analyzed together with prior samples to characterize community-level patterns of legume-rhizobial symbiosis on Barro Colorado Island (BCI), Panama. Nodules have been sampled from 24 BCI legume species in 18 genera, representing about one quarter of the legume species an...

journal_title：Microbial ecology

authors： Parker MA

更新日期：2008-05-01 00:00:00

abstract：:The hydrophobicity of six strains representing three species ofLactobacillus was measured using dextran-polyethylene glycol contact angle measurements. These ranged from 123.6° forLactobacillus casei douche to 26.2° forL. casei RC-17 under identical growth conditions. The results indicated that the nutritional environ...

journal_title：Microbial ecology

authors： Eisen A,Reid G

更新日期：1989-01-01 00:00:00

abstract：:The abundance, distribution, and phylogenetic diversity of members of the Fe(III)-reducing family Geobacteraceae were studied along a gradient of metal contaminants in Lake Coeur d'Alene, Idaho. Partial 16S rRNA gene fragments were amplified by PCR using primers directed toward conserved regions of the gene within the...

journal_title：Microbial ecology

authors： Cummings DE,Snoeyenbos-West OL,Newby DT,Niggemyer AM,Lovley DR,Achenbach LA,Rosenzweig RF

更新日期：2003-08-01 00:00:00

abstract：:In dryland regions, biological soil crusts (BSCs) have numerous important ecosystem functions. Crust species and functions are, however, highly spatially heterogeneous and remain poorly understood at a range of scales. In this study, chlorophyll fluorescence imaging was used to quantify millimeter-scale patterns in th...

journal_title：Microbial ecology

authors： Lan S,Thomas AD,Tooth S,Wu L,Hu C

更新日期：2019-11-01 00:00:00

abstract：:> Abstract A new procedure to investigate the relationship between bacterial cell size and activity at the cellular level has been developed; it is based on the coupling of radioactive labeling of bacterial cells and cell sorting by flow cytometry after SYTO 13 staining. Before sorting, bacterial cells were incubated ...

journal_title：Microbial ecology

authors： Servais P,Courties C,Lebaron P,Troussellier M

更新日期：1999-08-01 00:00:00

abstract：:The digestive tract of animals harbors microbiota important for the host's fitness and performance. The interaction between digestive tract bacteria and soil animal hosts is still poorly explored despite the importance of soil fauna for ecosystem processes. In this study, we investigated the interactions between the b...

journal_title：Microbial ecology

authors： García Hernández E,Berg MP,Van Oosten AR,Smit C,Falcão Salles J

更新日期：2021-01-09 00:00:00

abstract：:Sixty-two bacteriophages were isolated on eight indigenous bacteria from a Pacific Ocean station spanning 887-m vertical depth, on two occasions between 1999 and 2000. On the basis of 16S rRNA sequences, six hosts were tentatively identified to be in the genus Vibrio and the other two were closely related to Altermona...

journal_title：Microbial ecology

authors： Jiang S,Fu W,Chu W,Fuhrman JA

更新日期：2003-05-01 00:00:00

abstract：:We demonstrated previously that Cr(VI) is readily reduced to oxoCr(V)-diols at the surface of Arthrobacter oxydans-a Gram-positive aerobic bacteria isolated from Columbia basalt rocks originated from a highly contaminated site in the USA. Here, we report an electron spin resonance (ESR) study of Cr(III) hydroxide form...

journal_title：Microbial ecology

authors： Tsibakhashvili NY,Kalabegishvili TL,Rcheulishvili AN,Murusidze IG,Rcheulishvili OA,Kerkenjia SM,Holman HY

更新日期：2009-02-01 00:00:00

abstract：:Ammonia oxidation has been intensively studied for its sensitivity to environmental shifts and stresses. However, acute stress effects on the occurrence and composition of ammonia oxidizing bacteria (AOB) and archaea (AOA) based on expression of related molecular markers in complex soil environments have been to an ex...

journal_title：Microbial ecology

authors： Vasileiadis S,Coppolecchia D,Puglisi E,Balloi A,Mapelli F,Hamon RE,Daffonchio D,Trevisan M

更新日期：2012-11-01 00:00:00

abstract：:Mathematical studies for ecosystems involving 2 predators competing for a growing prey population have shown that the 2 competitors can coexist in a state of sustained oscillations for a range of values of the system parameters. For the case of 1 suspension-feeding protozoan population, recent experimental observation...

journal_title：Microbial ecology

authors： Baltzis BC,Fredrickson AG

更新日期：1984-03-01 00:00:00

abstract：:Past studies have suggested that the concentration and quality of dissolved organic matter (DOM) may influence microbial community structure. In this study, we cross-inoculated the bacterial communities from two streams and a dystrophic lake that varied in DOM concentration and chemistry, to yield nine fully crossed t...

journal_title：Microbial ecology

authors： Docherty KM,Young KC,Maurice PA,Bridgham SD

更新日期：2006-10-01 00:00:00

abstract：:Nutrient or niche-based competition among bacteria is a widespread phenomenon in the natural environment. Such interspecies interactions are often mediated by secreted soluble factors and/or direct cell-cell contact. As ubiquitous soil bacteria, Myxococcus species are able to produce a variety of bioactive secondary m...

journal_title：Microbial ecology

authors： Pan H,He X,Lux R,Luan J,Shi W

更新日期：2013-10-01 00:00:00

abstract：:The study presents evidence in support of the bacterial theory associated with the toxicity of Pyrodinium bahamense var. compressum. Bacterial endosymbionts from Philippine P. bahamense var. compressum strain Pbc MZRVA 042595 were isolated and identified via 16S rDNA sequence analysis. Taxonomic diversity of the ident...

journal_title：Microbial ecology

authors： Azanza MP,Azanza RV,Vargas VM,Hedreyda CT

更新日期：2006-11-01 00:00:00

abstract：:Microbiota presumably plays an essential role in inhibiting pathogen colonization and in the maintenance of health in oysters, but limited data exist concerning their different growth phases and conditions. We analyzed the bacterial microbiota composition of two commercial oysters: Crassostrea gigas and Crassostrea co...

journal_title：Microbial ecology

authors： Trabal N,Mazón-Suástegui JM,Vázquez-Juárez R,Asencio-Valle F,Morales-Bojórquez E,Romero J

更新日期：2012-08-01 00:00:00

abstract：:Marine Crenarchaeota represent a widespread and abundant microbial group in marine ecosystems. Here, we investigated the abundance, diversity, and distribution of planktonic Crenarchaeota in the epi-, meso-, and bathypelagic zones at three stations in the South China Sea (SCS) by analysis of crenarchaeal 16S rRNA gene...

journal_title：Microbial ecology

authors： Hu A,Jiao N,Zhang CL

更新日期：2011-10-01 00:00:00

abstract：:Cultivation and molecular-based approaches were used to study microbial diversity in two Chilean marine sediments contaminated with high (835 ppm) and very high concentrations of copper (1,533 ppm). The diversity of cultivable bacteria resistant to copper was studied at oxic and anoxic conditions, focusing on sulfate-...

journal_title：Microbial ecology

authors： Besaury L,Marty F,Buquet S,Mesnage V,Muyzer G,Quillet L

更新日期：2013-02-01 00:00:00

abstract：:Most soil microbial community studies to date have focused on homogenized bulk soil samples. However, it is likely that many important microbial processes occur in spatially segregated microenvironments in the soil leading to a microscale biogeography. This study attempts to localize specific microbial populations to ...

journal_title：Microbial ecology

authors： Mummey D,Holben W,Six J,Stahl P

更新日期：2006-04-01 00:00:00

abstract：:The McMurdo Dry Valleys of Antarctica form the coldest and driest ecosystem on Earth. Within this region there are a number of perennially ice-covered (3-6 m thick) lakes that support active microbial assemblages and have a paucity of metazoans. These lakes receive limited allochthonous input of carbon and nutrients, ...

journal_title：Microbial ecology

authors： Lisle JT,Priscu JC

更新日期：2004-05-01 00:00:00

abstract：:Marine sponges often harbor photosynthetic symbionts that may enhance host metabolism and ecological success, yet little is known about the factors that structure the diversity, specificity, and nature of these relationships. Here, we characterized the cyanobacterial symbionts in two congeneric and sympatric host spon...

journal_title：Microbial ecology

authors： Erwin PM,López-Legentil S,Turon X

更新日期：2012-10-01 00:00:00

abstract：:Selective isolation, molecular identification and AFLP were used to investigate the distribution of the various species of endophytic and epiphytic Trichoderma associated with banana roots and to compare and contrast their genetic structure. Three specific groups of Trichoderma were observed in the roots of banana. Gr...

journal_title：Microbial ecology

authors： Xia X,Lie TK,Qian X,Zheng Z,Huang Y,Shen Y

更新日期：2011-04-01 00:00:00

abstract：:A BSTRACTInterspecific fungal interactions are important ecological processes, whereas their physiological mechanisms are little understood. The aim of this work was to study how activity of fungal extracellular laccase was changed across mycelia during interactions between white- and brown-rot basidiomycetes from dif...

journal_title：Microbial ecology

authors： Iakovlev A,Stenlid J

更新日期：2000-04-01 00:00:00

abstract：:Bisphenol A (BPA) is a common ingredient in plastic wares and epoxy resins that are essential for our daily life. Despite the obvious benefits, BPA may act as an environmental endocrine disruptor, causing metabolic, reproductive, and/or developmental consequences and diseases in humans and other organisms. Although pr...

journal_title：Microbial ecology

authors： Oh S,Choi D

更新日期：2019-04-01 00:00:00

abstract：:Prochlorococcus is the most abundant photosynthetic prokaryote on our planet. The extensive ecological literature on the Prochlorococcus collective (PC) is based on the assumption that it comprises one single genus comprising the species Prochlorococcus marinus, containing itself a collective of ecotypes. Ecologists a...

journal_title：Microbial ecology

authors： Tschoeke D,Salazar VW,Vidal L,Campeão M,Swings J,Thompson F,Thompson C

更新日期：2020-10-01 00:00:00

abstract：:A growing body of evidence suggests that contaminated environments may harbor a greater proportion of antibiotic-resistant microorganisms than unpolluted reference sites. Here, we report the screening of 427 Escherichia coli strains isolated from 11 locations on nine streams draining the US Department of Energy's Sava...

journal_title：Microbial ecology

authors： McArthur JV,Fletcher DE,Tuckfield RC,Baker-Austin C

更新日期：2016-11-01 00:00:00

abstract：:The impact of the oxygen supply rate (OSR) on the metabolic activity and on the composition of hexadecane-degrading bacterial communities in a quasi-anoxic milieu (nominal DOT = 0%) was studied in continuous cultures containing intertidal sediment. The dilution rate was kept constant at 0.035 h-1. The OSR was stepwise...

journal_title：Microbial ecology

authors： Berthe-Corti L,Bruns A

更新日期：2001-07-01 00:00:00

abstract：:Mediterranean forests own distinct characteristics resulting from climate, soil, and vegetation that affect soil microbial communities' assembly and their associated functions. We initiated a multi-scalar analysis of environmental drivers of soil functioning to (1) identify pertinent factorial scales and (2) determine...

journal_title：Microbial ecology

authors： Brunel C,Da Silva AF,Gros R

更新日期：2020-10-01 00:00:00

abstract：:Arsenic (As) and antimony (Sb) are both toxic metalloids that are of primary concern for human health. Mining activity has introduced elevated levels of arsenic and antimony into the rivers and has increased the risks of drinking water contamination in China. Due to their mobility, the majority of the metalloids origi...

journal_title：Microbial ecology

authors： Sun X,Li B,Han F,Xiao E,Xiao T,Sun W

更新日期：2019-10-01 00:00:00

abstract：:By using substrate molecules of varying degrees of surface activity, we were able to measure some features of bacterial activity in the surface microlayers (SM) and in the subsurface (bulk) water. The fraction of active cells was determined by a combined microautoradiography-epifluorescence (ME) method. Measurements w...

journal_title：Microbial ecology

authors： Hermansson M,Dahlbäck B

更新日期：1983-12-01 00:00:00