Characterization of nifH gene expression, modification and rearrangement in Nodularia spumigena strain AV1.

abstract：:The McMurdo Dry Valleys collectively comprise the most extensive ice-free region in Antarctica and are considered one of the coldest arid environments on Earth. In low-altitude maritime-associated valleys, mineral soil profiles show distinct horizontal structuring, with a surface arid zone overlying a moist and biolog...

journal_title：FEMS microbiology ecology

authors： Stomeo F,Makhalanyane TP,Valverde A,Pointing SB,Stevens MI,Cary CS,Tuffin MI,Cowan DA

更新日期：2012-11-01 00:00:00

abstract：:A 745-bp luxA fragment was amplified from Vibrio harveyi (UM 1503), radiolabeled, and used as a probe to detect and quantify luxA genotypes in culturable bacterial populations from the Chesapeake Bay. DNA samples from 53 reference strains were also examined for this gene. The luxA-positive bacteria comprised from 0-6%...

journal_title：FEMS microbiology ecology

authors： Ramaiah N,Chun J,Ravel J,Straube WL,Hill RT,Colwell RR

更新日期：2000-07-01 00:00:00

abstract：:Antibiotic-resistant bacteria, nutrients and antibiotics that enter the soil by means of manure may enhance the proportion of bacteria displaying antibiotic resistance among soil bacteria and may affect bacterial community structure and function. To investigate the effect of manure and amoxicillin added to manure on s...

journal_title：FEMS microbiology ecology

authors： Binh CT,Heuer H,Gomes NC,Kotzerke A,Fulle M,Wilke BM,Schloter M,Smalla K

更新日期：2007-12-01 00:00:00

abstract：:Biological soil crusts (BSCs) are microbial assemblages that occur worldwide and facilitate ecosystem development by nitrogen (N) and carbon accumulation. N turnover within BSC ecosystems has been intensively studied in the past; however, shifts in the N cycle during BSC development have not been previously investigat...

journal_title：FEMS microbiology ecology

authors： Brankatschk R,Fischer T,Veste M,Zeyer J

更新日期：2013-01-01 00:00:00

abstract：:The host microbiota may have an impact on pathogens. This is often studied in laboratory-reared hosts but rarely in individuals whose microbiota looks like that of wild animals. In this study, we modified the gut microbiota of the insect Tenebrio molitor by rearing larvae in soil sampled from the field. We showed by h...

journal_title：FEMS microbiology ecology

authors： Cambon MC,Lafont P,Frayssinet M,Lanois A,Ogier JC,Pagès S,Parthuisot N,Ferdy JB,Gaudriault S

更新日期：2020-02-01 00:00:00

abstract：:This study was conducted to characterize the vertical distribution of bacterial and archaeal communities in the water and sediment of Lake Taihu, which underwent a change in trophic status from oligotrophic to hypertrophic in last half of the 20th century. The results revealed that the bacterial communities in differe...

journal_title：FEMS microbiology ecology

authors： Ye W,Liu X,Lin S,Tan J,Pan J,Li D,Yang H

更新日期：2009-11-01 00:00:00

abstract：:In an effort to identify the causes and patterns of temporal change in periphytic communities, we examined biomass accumulation, taxonomic and functional composition, rate of species turnover, and pairwise species correlations in response to variability in current velocity and nutrient supply in artificial stream flum...

journal_title：FEMS microbiology ecology

authors： Larson CA,Passy SI,Laanbroek R

更新日期：2012-05-01 00:00:00

abstract：:The rhizosphere and phyllosphere microbial communities of transgenic potatoes producing fructan were studied in comparison with isogenic controls and conventional varieties in a field release experiment over a period of 3 years. Population densities and 16S rRNA gene-based terminal restriction fragment length polymorp...

journal_title：FEMS microbiology ecology

authors： Becker R,Behrendt U,Hommel B,Kropf S,Ulrich A

更新日期：2008-11-01 00:00:00

abstract：:Abstract The bacterial activity in sediments is often low considering the generally high bacterial abundance. Still, a large fraction of bacteria have been found active even in deep sediments. These findings suggest that sediment bacteria have comparatively low cell-specific production. We studied bacterial activity a...

journal_title：FEMS microbiology ecology

authors： Haglund AL,Lantz P,Törnblom E,Tranvik L

更新日期：2003-10-01 00:00:00

abstract：:Subsurface removal of arsenic by injection with oxygenated groundwater has been proposed as a viable technology for obtaining 'safe' drinking water in Bangladesh. While the oxidation of ferrous iron to solid ferric iron minerals, to which arsenic adsorbs, is assumed to be driven by abiotic reactions, metal-cycling mic...

journal_title：FEMS microbiology ecology

authors： Hassan Z,Sultana M,van Breukelen BM,Khan SI,Röling WF

更新日期：2015-04-01 00:00:00

abstract：:Many bacteria can resist phagocytic digestion by various protozoa. Some of these bacteria (all human pathogens) are known to be packaged in multilamellar bodies produced in the phagocytic pathway of the protozoa and that are secreted into the extracellular milieu. Packaged bacteria are protected from harsh conditions,...

journal_title：FEMS microbiology ecology

authors： Paquet VE,Charette SJ

更新日期：2016-03-01 00:00:00

abstract：:Archaeal communities and the factors regulating their diversity in high altitude lakes are poorly understood. Here, we provide the first high-throughput sequencing study of Archaea from Tibetan Plateau lake sediments. We analyzed twenty lake sediments from the world's highest and largest plateau and found diverse arch...

journal_title：FEMS microbiology ecology

authors： Liu Y,Priscu JC,Xiong J,Conrad R,Vick-Majors T,Chu H,Hou J

更新日期：2016-03-01 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：:Isolates of ectomycorrhizal Pisolithus albus were sampled from both ultramafic and volcano-sedimentary soils in New Caledonia, a tropical hotspot of biodiversity, to investigate the relationships between genetic diversity and edaphic constraint through tolerance to nickel (Ni). Carpophore description, spore morphology...

journal_title：FEMS microbiology ecology

authors： Jourand P,Ducousso M,Loulergue-Majorel C,Hannibal L,Santoni S,Prin Y,Lebrun M

更新日期：2010-05-01 00:00:00

abstract：:This study investigated the response of antibiotic resistance genes (ARGs) to nanosilver (Ag) in lab-scale nitrifying sequencing batch reactors (SBRs), compared to Ag(+)-dosed and undosed controls. Quantitative polymerase chain reaction (q-PCR) targeting sul1, tet(O), ermB and the class I integron gene intI1 and corre...

journal_title：FEMS microbiology ecology

authors： Ma Y,Metch JW,Yang Y,Pruden A,Zhang T

更新日期：2016-03-01 00:00:00

abstract：:Predation and competition are two main factors that determine the size and composition of aquatic bacterial populations. Using a simplified bacterial community, composed of three strains characterized by different responses to predation, a short-term laboratory experiment was performed to evaluate adaptations and rela...

journal_title：FEMS microbiology ecology

authors： Corno G

更新日期：2006-12-01 00:00:00

abstract：:Pressure-resistant circulating systems were constructed to enable the investigation of attached and unattached microbial populations under in situ pressure (2.5 MPa), diversity, dissolved gas and chemistry conditions. Three parallel flow cell cabinets were configured to allow observation of the effect on microbial met...

journal_title：FEMS microbiology ecology

authors： Pedersen K

更新日期：2012-07-01 00:00:00

abstract：:We have assessed the microbial ecology on the surface of Mittivakkat glacier in SE-Greenland during the exceptional high melting season in July 2012 when the so far most extreme melting rate for the Greenland Ice Sheet has been recorded. By employing a complementary and multi-disciplinary field sampling and analytical...

journal_title：FEMS microbiology ecology

authors： Lutz S,Anesio AM,Jorge Villar SE,Benning LG

更新日期：2014-08-01 00:00:00

abstract：:Primary succession after glacier retreat has been widely studied in plant communities, but bacterial succession is still poorly understood. In particular, few studies of microbial succession have been performed in the Arctic. We investigated the shifts in bacterial community structure and soil physicochemical properti...

journal_title：FEMS microbiology ecology

authors： Kim M,Jung JY,Laffly D,Kwon HY,Lee YK

更新日期：2017-01-01 00:00:00

abstract：:Proteins may be an important carbon and nitrogen source to bacteria in aquatic habitats, yet knowledge on the actual utilization of this substrate by proteolytic bacteria is scarce. In this study, Pseudomonas fluorescens ON2 produced an alkaline proteinase (AprX) during growth, and there was no evidence for cell densi...

journal_title：FEMS microbiology ecology

authors： Nicolaisen MH,Worm J,Jørgensen NO,Middelboe M,Nybroe O

更新日期：2012-04-01 00:00:00

abstract：:Soil microbes are essential to the continued productivity of sustainably managed agroecosystems. In shade coffee plantations, the relationship between soil microbial composition, soil nutrient availability and coffee productivity have been demonstrated, but the effects of management on the composition of the soil micr...

journal_title：FEMS microbiology ecology

authors： Jurburg SD,Shek KL,McGuire K

更新日期：2020-09-01 00:00:00

abstract：:The mycelial response of the wood-rotting basidiomycete Resinicium bicolor to the nutritional status of its environment, the interactive effects of food base quantity and quality and of soil composition were investigated in trays of forest soil. Effects on mycelial extension, hyphal coverage and mycelial morphology (d...

journal_title：FEMS microbiology ecology

authors： Zakaria AJ,Boddy L

更新日期：2002-05-01 00:00:00

abstract：:Antimicrobial resistance is of global concern. Most antimicrobial use is in agriculture; manures and slurry are especially important because they contain a mix of bacteria, including potential pathogens, antimicrobial resistance genes and antimicrobials. In many countries, manures and slurry are stored, especially ove...

journal_title：FEMS microbiology ecology

authors： Baker M,Hobman JL,Dodd CE,Ramsden SJ,Stekel DJ

更新日期：2016-04-01 00:00:00

abstract：:Cyanobacterial blooms have become more frequent as a result of eutrophication in lakes. The accumulation and breakdown of huge cyanobacterial biomasses often cause hypoxia in lakes. However, little is known about microbial diversity in these areas. In this study, we characterized the bacterial community composition of...

journal_title：FEMS microbiology ecology

authors： Li H,Xing P,Wu QL

更新日期：2012-03-01 00:00:00

abstract：:Salinity is one of the most important environmental factors influencing bacterial plankton communities in lake waters, while its influence on bacterial interactions has been less explored. Here, we investigated the influence of salinity on the bacterial diversity, interactions and community structure in Tibetan Platea...

journal_title：FEMS microbiology ecology

authors： Ji M,Kong W,Yue L,Wang J,Deng Y,Zhu L

更新日期：2019-12-01 00:00:00

abstract：:A large amount of sequencing data is produced in microbial community ecology studies using the high-throughput sequencing technique, especially amplicon-sequencing-based community data. After conducting the initial bioinformatic analysis of amplicon sequencing data, performing the subsequent statistics and data mining...

journal_title：FEMS microbiology ecology

authors： Liu C,Cui Y,Li X,Yao M

更新日期：2020-12-17 00:00:00

abstract：:In the present study, it was sought to compare yeast microbiota of wild and captive Macrobrachium amazonicum and evaluate the antifungal susceptibility and production of virulence factors by the recovered isolates of Candida spp. Additionally, cultivation water was monitored for the presence of fungi. Overall, 26 yeas...

journal_title：FEMS microbiology ecology

authors： Brilhante RS,Paiva MA,Sampaio CM,Teixeira CE,Castelo-Branco DS,Leite JJ,Moreira CA,Silva LP,Cordeiro RA,Monteiro AJ,Sidrim JJ,Rocha MF

更新日期：2011-05-01 00:00:00

abstract：:We present an individual-based experimental framework to identify and estimate the main parameters governing bacterial conjugation at the individual cell scale. From this analysis, we have established that transient periods of unregulated plasmid transfer within newly formed transconjugant cells, together with contact...

journal_title：FEMS microbiology ecology

authors： Seoane J,Yankelevich T,Dechesne A,Merkey B,Sternberg C,Smets BF

更新日期：2011-01-01 00:00:00

abstract：:Glaciers accumulate airborne microorganisms year by year and thus are good archives of microbial communities and their relationship to climatic and environmental changes. Hypotheses have focused on two possible drivers of microbial community composition in glacier systems. One is aeolian deposition, in which the micro...

journal_title：FEMS microbiology ecology

authors： Xiang SR,Shang TC,Chen Y,Yao TD

更新日期：2009-11-01 00:00:00

abstract：:The aim of this work is to document the complex nutritional strategy developed by kleptoplastic intertidal foraminifera. We study the mixotrophic ability of a common intertidal foraminifer, Elphidium williamsoni, by (i) investigating the phylogenetic identity of the foraminiferal kleptoplasts, (ii) following their oxy...

journal_title：FEMS microbiology ecology

authors： Jauffrais T,LeKieffre C,Schweizer M,Jesus B,Metzger E,Geslin E

更新日期：2019-05-01 00:00:00