Increased growth and pigment content of Chromera velia in mixotrophic culture.

abstract：:The influence of chromium on the microbial community structure was analyzed in a river system subjected to long-term chromium contamination, by plating and by sequencing 16S rRNA genes cloned from DNA extracted from the river sediments. We also analyzed the influence of chromium on the ability of the microbial communi...

journal_title：FEMS microbiology ecology

authors： Branco R,Chung AP,Veríssimo A,Morais PV

更新日期：2005-09-01 00:00:00

abstract：:Acetate is the most important intermediate in anaerobic degradation of organic matter. The carbon isotope effects associated with the oxidation of acetate (epsilon(ac)) were examined for four acetotrophic sulfur reducers, Desulfuromonas acetoxidans, Desulfuromonas thiophila, Desulfurella acetivorans, and Hippea mariti...

journal_title：FEMS microbiology ecology

authors： Goevert D,Conrad R

更新日期：2010-02-01 00:00:00

abstract：:Molecular and culture based methods were used to survey endolithic, photosynthetic communities from hot spring-formed travertine rocks of various ages, ranging from<10 to greater than 300,000 years. Much of this travertine contained a 1-3-mm-thick greenish band composed mainly of cyanobacteria 1-5 mm below the rock su...

journal_title：FEMS microbiology ecology

authors： Norris TB,Castenholz RW

更新日期：2006-09-01 00:00:00

abstract：:The investigated deeply buried marine sediments of the shallow shelf off New Jersey, USA, are characterized by low organic carbon content and total cell counts of < 10(7) cells per mL sediment. The qPCR data for Bacteria and Archaea were in the same orders of magnitude as the total cell counts. Archaea and Bacteria oc...

journal_title：FEMS microbiology ecology

authors： Breuker A,Stadler S,Schippers A

更新日期：2013-09-01 00:00:00

abstract：:Soil from the zone of maximal methanotrophic activity (approximately 5-8 cm depth) in a mixed coniferous-hardwood forest consumed atmospheric methane over a wide pH range (3.5-7.5) with a broad optimum between 4.8 and 6.0. Methane uptake at native soil pH values (4.4-4.8) was only slightly less rapid than rates at opt...

journal_title：FEMS microbiology ecology

authors： Benstead J,King GM

更新日期：2001-01-01 00:00:00

abstract：:The density and spatial location of bacteria were investigated within different horizons of an upland grassland soil before and after a liming treatment to increase the numbers of large soil fauna. Bacterial cells were located by image analysis of stained thin sections and densities calculated from these data. Excreme...

journal_title：FEMS microbiology ecology

authors： Bruneau PM,Davidson DA,Grieve IC,Young IM,Nunan N

更新日期：2005-03-01 00:00:00

abstract：:A yearlong study was conducted to determine factors that affect the abundance and distribution of lysogens and free viruses at fresh-, brackish-, and saltwater stations in Newport Bay, CA. The viral and bacterial abundance were highest in the freshwater (average 1.1 x 10(8) and 1.1 x 10(7) mL(-1), respectively) and lo...

journal_title：FEMS microbiology ecology

authors： Choi S,Jeliazkov I,Jiang SC

更新日期：2009-08-01 00:00:00

abstract：:Kinetoplastid flagellates, microscopically often detected from various aquatic environments and considered ubiquitous are seldom reported in molecular diversity studies with universal eukaryote DNA primers. To investigate this inconsistency, we examined nanoflagellate diversity in Lake Biwa, Japan by 18S rRNA gene clo...

journal_title：FEMS microbiology ecology

authors： Mukherjee I,Hodoki Y,Nakano S

更新日期：2015-08-01 00:00:00

abstract：:This study aimed to characterize mucosa- and digesta-associated microbiota in the hindgut (cecum, colon and rectum) of newborn (NB, n = 6), day 7 (n = 6), day 21 (n = 6) and day 42 (n = 6) Holstein bull calves using amplicon sequencing. The hindgut microbiota was diverse at birth, and mucosa-attached microbial communi...

journal_title：FEMS microbiology ecology

authors： Song Y,Malmuthuge N,Steele MA,Guan LL

更新日期：2018-03-01 00:00:00

abstract：:A field-scale manipulation experiment conducted for 16 years in a Norway spruce forest at Solling, Central Germany, was used to follow the long-term response of total soil bacteria, nitrate reducers and denitrifiers under conditions of reduced N deposition. N was experimentally removed from throughfall by a roof const...

journal_title：FEMS microbiology ecology

authors： Kandeler E,Brune T,Enowashu E,Dörr N,Guggenberger G,Lamersdorf N,Philippot L

更新日期：2009-03-01 00:00:00

abstract：:High-elevation lakes in the tropics are subject to extreme environmental fluctuations and microbes may harbor a unique genomic repertoire, but their composition and diversity are largely unknown. Here, we compared the planktonic bacterial community composition (BCC) and diversity of three tropical lakes located in the...

journal_title：FEMS microbiology ecology

authors： Aguilar P,Dorador C,Vila I,Sommaruga R

更新日期：2018-03-01 00:00:00

abstract：:There are an increasing number of assays available for fungal plant pathogens based on DNA technology. We have developed such an assay for Gaeumannomyces graminis var. tritici (Ggt) in soil, using slot-blot hybridisation. To ensure the validity of DNA-based soil assays for the fungus, it is important to determine the ...

journal_title：FEMS microbiology ecology

authors： Herdina,Neate S,Jabaji-Hare S,Ophel-Keller K

更新日期：2004-02-01 00:00:00

abstract：:The colonization efficacies of salivaricin A (SalA)-producing Streptococcus salivarius strains 20P3 and 5 were compared when given in milk to 219 children, using either 2-day or 9-day dosing regimens. Colonization levels overall were superior for strain 5, and the 9-day dosing schedule resulted in higher levels of bot...

journal_title：FEMS microbiology ecology

authors： Dierksen KP,Moore CJ,Inglis M,Wescombe PA,Tagg JR

更新日期：2007-03-01 00:00:00

abstract：:Autotrophic ammonia-oxidising bacteria (AOB) are a crucial component of the microbial communities of nitrifying wastewater treatment systems. Nitrification is known to occur in reactors of different configuration, but whether AOB communities are different in reactors of different design is unknown. We compared the div...

journal_title：FEMS microbiology ecology

authors： Rowan AK,Snape JR,Fearnside D,Barer MR,Curtis TP,Head IM

更新日期：2003-03-01 00:00:00

abstract：:Bioavailability of electron acceptors is probably the most limiting factor in the restoration of anoxic, contaminated environments. The oxidation of contaminants such as aromatic hydrocarbons, particularly in aquifers, often depends on the reduction of ferric iron or sulphate. We have previously detected a highly acti...

journal_title：FEMS microbiology ecology

authors： Pilloni G,von Netzer F,Engel M,Lueders T

更新日期：2011-10-01 00:00:00

abstract：:Photosynthetic picoeukaryotes (PPEs) are major oceanic primary producers. However, the diversity of such communities remains poorly understood, especially in the northwestern (NW) Pacific. We investigated the abundance and diversity of PPEs, and recorded environmental variables, along a transect from the coast to the ...

journal_title：FEMS microbiology ecology

authors： Choi DH,An SM,Chun S,Yang EC,Selph KE,Lee CM,Noh JH

更新日期：2016-02-01 00:00:00

abstract：:Arctic peatlands store large stocks of organic carbon which are vulnerable to the climate change but their fate is uncertain. There is increasing evidence that a part of it will be lost as a result of faster microbial mineralization. We studied the vulnerability of 3500-5900 years old bare peat uplifted from permafros...

journal_title：FEMS microbiology ecology

authors： Diáková K,Čapek P,Kohoutová I,Mpamah PA,Bárta J,Biasi C,Martikainen PJ,Šantrůčková H

更新日期：2016-09-01 00:00:00

abstract：:The second step of nitrification, the oxidation of nitrite to nitrate, is vital for the functioning of the nitrogen cycle, but our understanding of the ecological roles of the involved microorganisms is still limited. The known diversity of Nitrospira, the most widely distributed nitrite-oxidizing bacteria, has increa...

journal_title：FEMS microbiology ecology

authors： Nowka B,Off S,Daims H,Spieck E

更新日期：2015-03-01 00:00:00

abstract：:Occurrence of entomopathogenic fungi on phylloplanes in Tilia × europaea crowns between 1 and 13 m was assessed in urban parks. Prevalence of fungal infections in ladybirds (Coleoptera: Coccinellidae) collected from Tilia × europaea was assessed to determine whether fungi found on phylloplanes also occurred as infecti...

journal_title：FEMS microbiology ecology

authors： Howe AG,Ravn HP,Jensen AB,Meyling NV

更新日期：2016-09-01 00:00:00

abstract：:Truffles are hypogeous ectomycorrhizal fungi. They belong to the genus Tuber and are currently considered a hot spot in fungal biology due to their ecological and economic relevance. Among all the species, Tuber magnatum is the most appreciated because of its special taste and aroma. The aim of this work was to set up...

journal_title：FEMS microbiology ecology

authors： Zampieri E,Murat C,Cagnasso M,Bonfante P,Mello A

更新日期：2010-01-01 00:00:00

abstract：:Vegetation and water table are important regulators of methane emission in peatlands. Microform variation encompasses these factors in small-scale topographic gradients of dry hummocks, intermediate lawns and wet hollows. We examined methane production and oxidization among microforms in four boreal bogs that showed m...

journal_title：FEMS microbiology ecology

authors： Juottonen H,Kotiaho M,Robinson D,Merilä P,Fritze H,Tuittila ES

更新日期：2015-09-01 00:00:00

abstract：:We hypothesized that apparently non-antagonistic soil bacteria may contribute to suppression of fungi during competitive interactions with other bacteria. Four soil bacteria (Brevundimonas sp., Luteibacter sp., Pedobacter sp. and Pseudomonas sp.) that exhibited little or no visible antifungal activity on different aga...

journal_title：FEMS microbiology ecology

authors： de Boer W,Wagenaar AM,Klein Gunnewiek PJ,van Veen JA

更新日期：2007-01-01 00:00:00

abstract：:It has been postulated that a variety of physically undefended marine invertebrates have evolved strategies to control microbial epibiosis chemically. Ecologically meaningful experiments that demonstrate chemically mediated antibacterial effects are difficult due to the small number of cultivable bacteria. Based on th...

journal_title：FEMS microbiology ecology

authors： Harder T,Lau SC,Tam WY,Qian PY

更新日期：2004-01-01 00:00:00

abstract：:Plant symbioses with fungal root endophytes span a continuum from mutualistic to parasitic outcomes, and are highly variable depending on the genotype of each symbiont. The abiotic context in which interactions occur also seems to influence the outcome of plant-endophyte symbioses, but we lack understanding of its rel...

journal_title：FEMS microbiology ecology

authors： Kia SH,Jurkechova M,Glynou K,Piepenbring M,Maciá-Vicente JG

更新日期：2018-02-01 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) play an important role in sulfur, iron, and carbon cycling. The majority of studies have illustrated the role of SRB in biogeochemical cycling in pure cultures. In this study, we established three SRB enrichment cultures (designated HL, NB, and WC) from different paddy soils and conduct...

journal_title：FEMS microbiology ecology

authors： Li GX,Bao P

更新日期：2021-01-13 00:00:00

abstract：:Butyrate-producing bacteria are promising probiotic candidates to target microbial dysbiosis in gastrointestinal disorders like inflammatory bowel diseases. Butyricicoccus pullicaecorum 25-3(T), a butyrate-producing clostridial cluster IV strain, is such a candidate. Little is known about its abundance in the colon mi...

journal_title：FEMS microbiology ecology

authors： Geirnaert A,Wang J,Tinck M,Steyaert A,Van den Abbeele P,Eeckhaut V,Vilchez-Vargas R,Falony G,Laukens D,De Vos M,Van Immerseel F,Raes J,Boon N,Van de Wiele T

更新日期：2015-06-01 00:00:00

abstract：:The growing prevalence of antibiotic resistance poses an increasingly serious threat to human health. Although an important driver of antibiotic resistance is the continuous exposure of bacteria to sublethal concentrations of antibiotics in natural environments, antibiotic pollutants are not currently tracked globally...

journal_title：FEMS microbiology ecology

authors： Parthasarathy R,Monette CE,Bracero S,S Saha M

更新日期：2018-08-01 00:00:00

abstract：:We report first insights into a representative genome of rice cluster I (RC-I), a major group of as-yet uncultured methanogens. The starting point of our study was the methanogenic consortium MRE50 that had been stably maintained for 3 years by consecutive transfers to fresh medium and anaerobic incubation at 50 degre...

journal_title：FEMS microbiology ecology

authors： Erkel C,Kemnitz D,Kube M,Ricke P,Chin KJ,Dedysh S,Reinhardt R,Conrad R,Liesack W

更新日期：2005-07-01 00:00:00

abstract：:Abstract In a previous study, we isolated a collection of atrazine-degrading bacteria from various soils. The aim of this study was to localise the atrazine-degrading genes in these 25 atrazine-degrading strains. In the case of the Gram-negative strains of Chelatobacter heintzii, six to seven plasmids were observed. T...

journal_title：FEMS microbiology ecology

authors： Rousseaux S,Soulas G,Hartmann A

更新日期：2002-07-01 00:00:00

abstract：:Compared with the knowledge of sponge-associated bacterial diversity and ecological roles, the fungal diversity and ecological roles of sponges remain largely unknown. In this study, the fungal diversity and protein synthesis potential in two South China Sea sponges Theonella swinhoei and Xestospongia testudinaria wer...

journal_title：FEMS microbiology ecology

authors： Jin L,Liu F,Sun W,Zhang F,Karuppiah V,Li Z

更新日期：2014-12-01 00:00:00