Estimates of bacterial growth rate constants from thymidine incorporation and variable conversion factors.

abstract：:Phytoplankton dynamics, bacterial standing stocks and living microbial biomass (derived from ATP measurements, 0.7-200 mm size class) were examined in 1996 in the newly flooded (1995) Sep Reservoir ('Massif Central,' France), for evidence of the importance of the microbial food web relative to the traditional food cha...

journal_title：Microbial ecology

authors： Tadonléké RD,Jugnia LB,Sime-Ngando T,Devaux J,Romagoux JC

更新日期：2002-01-01 00:00:00

abstract：:Environmental pollution by plastic debris is estimated on a scale of 100 million metric tons, a portion of which is fragmented into micro- and nanoplastics. These fragments are often colonized by bacterial species in marine environments, possibly contributing to the biodegradation of such materials. However, further i...

journal_title：Microbial ecology

authors： Oliveira MM,Proenca AM,Moreira-Silva E,de Castro AM,Dos Santos FM,Marconatto L,Medina-Silva R

更新日期：2021-01-03 00:00:00

abstract：:The hypolithic microbial community associated with quartz pavement at a high-altitude tundra location in central Tibet is described. A small-scale ecological survey indicated that 36% of quartz rocks were colonized. Community profiling using terminal restriction fragment length polymorphism revealed no significant dif...

journal_title：Microbial ecology

authors： Wong FK,Lacap DC,Lau MC,Aitchison JC,Cowan DA,Pointing SB

更新日期：2010-11-01 00:00:00

abstract：:Non-trophic interactions are increasingly recognised as a key parameter of predator-prey interactions. In soil, predation by bacterivorous nematodes is a major selective pressure shaping soil bacterial communities, and many bacteria have evolved defence mechanisms such as toxicity. In this study, we show that extracel...

journal_title：Microbial ecology

authors： Neidig N,Paul RJ,Scheu S,Jousset A

更新日期：2011-05-01 00:00:00

abstract：:A new membrane filter technique for field use was developed for the enumeration of either aerobic or anaerobic, autotrophic, sulfur-oxidizing bacteria in waters and soils. Immediately after collection, samples were filtered through sulfur-coated filters and incubated in selective media. Acidification or gas evolution ...

journal_title：Microbial ecology

authors： Mouraret M,Baldensperger J

更新日期：1977-12-01 00:00:00

abstract：:Regeneration of nutrients in aquatic ecosystems may be affected by autolysis, bacterial degradation, and activities of phagotrophic organisms. To examine the relative importance of these processes, mineralization of carbon, nitrogen, and phosphorus was studied in a two-stage continuous culture system. In the first sta...

journal_title：Microbial ecology

authors： Güde H

更新日期：1985-09-01 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：: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：:Understanding the dynamics of plant-associated microbial communities within agriculture is well documented. However, the ecological processes that assemble the plant microbiome are not well understood. This study elucidates the relative dominance of assembly processes across plant compartments (root, stem, and leaves)...

journal_title：Microbial ecology

authors： Moroenyane I,Mendes L,Tremblay J,Tripathi B,Yergeau É

更新日期：2021-01-18 00:00:00

abstract：:Foliar chemistry influences leaf decomposition, but little is known about how litter chemistry affects the assemblage of bacterial communities during decomposition. Here we examined relationships between initial litter chemistry and the composition of the bacterial community in a stream ecosystem. We incubated replica...

journal_title：Microbial ecology

authors： Wymore AS,Liu CM,Hungate BA,Schwartz E,Price LB,Whitham TG,Marks JC

更新日期：2016-05-01 00:00:00

abstract：:Qualitative and quantitative investigations were made on the luminous bacteria associated with the gut of pond cultured milk fishChanos chanos. Significant differences in luminous bacterial numbers were found between gut and pond water and between gut and pond sediment, but not between pond water and sediment. No sign...

journal_title：Microbial ecology

authors： Ramesh A,Nandakumar R,Venugopalan VK

更新日期：1986-06-01 00:00:00

abstract：:Abstract Lakes receive organic carbon from a diversity of sources which vary in their contribution to planktonic microbial food webs. We conducted a mesocosm study to test the effects of three different detrital carbon sources (algae, aquatic macrophytes, terrestrial leaves) on several measures of microbial metabolism...

journal_title：Microbial ecology

authors： Wehr JD,Petersen J,Findlay S

更新日期：1999-01-01 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：:The present study aimed to experimentally quantify the influence of a reduction of surface sediment permeability on microbial characteristics and ecological processes (respiration and leaf litter decomposition) occurring in the hyporheic zone (i.e. the sedimentary interface between surface water and groundwater). The ...

journal_title：Microbial ecology

authors： Navel S,Mermillod-Blondin F,Montuelle B,Chauvet E,Simon L,Marmonier P

更新日期：2011-05-01 00:00:00

abstract：:Candida albicans is the most notorious and the most widely studied yeast biofilm former. Design of experiments (DoE) showed that 10 mg/L zosteric acid sodium salt reduced C. albicans adhesion and the subsequent biofilm formation by at least 70%, on both hydrophilic and hydrophobic surfaces of 96-well plates. Indeed, b...

journal_title：Microbial ecology

authors： Villa F,Pitts B,Stewart PS,Giussani B,Roncoroni S,Albanese D,Giordano C,Tunesi M,Cappitelli F

更新日期：2011-10-01 00:00:00

abstract：:Ecophysiological investigations on the salinity acclimation of the cyanobacterium Prochlorothrix hollandica SAG 10.89 led to significantly revised salinity tolerance limits. Besides potential effects of cultivation techniques, clear ion composition effects mainly explain formerly described hypersensitivity to NaCl-med...

journal_title：Microbial ecology

authors： Bergmann I,Geiss-Brunschweiger U,Hagemann M,Schoor A

更新日期：2008-05-01 00:00:00

abstract：:Proteus spp. bacteria were first described in 1885 by Gustav Hauser, who had revealed their feature of intensive swarming growth. Currently, the genus is divided into Proteus mirabilis, Proteus vulgaris, Proteus penneri, Proteus hauseri, and three unnamed genomospecies 4, 5, and 6 and consists of 80 O-antigenic serogr...

journal_title：Microbial ecology

authors： Drzewiecka D

更新日期：2016-11-01 00:00:00

abstract：:Transect studies were conducted to determine the relative effects of zinc, lead, and cadmium pollution on microorganisms occurring on hawthorn leaves at varying distances from a smelting complex.Sporobolomyces roseus was absent from the most heavily contaminated leaves but, although lead was inhibitory, other environm...

journal_title：Microbial ecology

authors： Bewley RJ,Campbell R

更新日期：1980-09-01 00:00:00

abstract：:Although phototrophic microbial communities are important components of soils in arid and semi-arid ecosystems around the world, the knowledge of their taxonomic composition and dependency on soil chemistry and vegetation is still fragmentary. We studied the abundance and the diversity of cyanobacteria and eukaryotic ...

journal_title：Microbial ecology

authors： Reháková K,Chlumská Z,Doležal J

更新日期：2011-08-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants of the environment. But is their microbial degradation equally wide in distribution? We estimated the PAH degradation capacity of 13 soils ranging from pristine locations (total PAHs approximately 0.1 mg kg(-1)) to heavily polluted industrial sites (tot...

journal_title：Microbial ecology

authors： Johnsen AR,Karlson U

更新日期：2005-11-01 00:00:00

abstract：:Peatland testate amoebae (TA) are well-established bioindicators for depth to water table (DWT), but effects of hydrological changes on TA communities have never been tested experimentally. We tested this in a field experiment by placing Sphagnum carpets (15 cm diameter) collected in hummock, lawn and pool microsites ...

journal_title：Microbial ecology

authors： Marcisz K,Fournier B,Gilbert D,Lamentowicz M,Mitchell EA

更新日期：2014-05-01 00:00:00

abstract：:The symbiotic microbes that grow in and on many organisms can play important roles in protecting their hosts from pathogen infection. While species diversity has been shown to influence community function in many other natural systems, the question of how species diversity of host-associated symbiotic microbes contrib...

journal_title：Microbial ecology

authors： Piovia-Scott J,Rejmanek D,Woodhams DC,Worth SJ,Kenny H,McKenzie V,Lawler SP,Foley JE

更新日期：2017-07-01 00:00:00

abstract：:The capybara (Hydrochoerus hydrochaeris) is the world's largest living rodent. Native to South America, this hindgut fermenter is herbivorous and coprophagous and uses its enlarged cecum to digest dietary plant material. The microbiota of specialized hindgut fermenters has remained largely unexplored. The aim of this ...

journal_title：Microbial ecology

authors： García-Amado MA,Godoy-Vitorino F,Piceno YM,Tom LM,Andersen GL,Herrera EA,Domínguez-Bello MG

更新日期：2012-05-01 00:00:00

abstract：:Mono Lake is a meromictic, hypersaline, soda lake that harbors a diverse and abundant microbial community. A previous report documented the high viral abundance in Mono Lake, and pulsed-field gel electrophoresis analysis of viral DNA from lake water samples showed a diverse population based on a broad range of viral g...

journal_title：Microbial ecology

authors： Sabet S,Chu W,Jiang SC

更新日期：2006-05-01 00:00:00

abstract：:TwoNostoc muscorum cyanophages were isolated from a domestic sewage in Kuwait. N-1L cyanophage had a hexagonal head with a long tail, while N-2S cyanophage was a short-tailed virus. N-1L cyanophage was active at 50°C and at acidic pH, compared with N-2S, which was more heat stable and active at pH 7.0. Seasonal variat...

journal_title：Microbial ecology

authors： Sallal AK,Nimr ND,Al-Sharif HF

更新日期：1987-05-01 00:00:00

abstract：:Crop residues are a crucial ecological niche with a major biological impact on agricultural ecosystems. In this study, we used a combined diachronic and synchronic field experiment based on wheat-oilseed rape rotations to test the hypothesis that plant is a structuring factor of microbial communities in crop residues,...

journal_title：Microbial ecology

authors： Kerdraon L,Balesdent MH,Barret M,Laval V,Suffert F

更新日期：2019-05-01 00:00:00

abstract：:Selective inhibition (SI) has been routinely used to differentiate the contributions of bacteria and fungi to soil ecological processes. SI experiments typically measured rapid responses within hours since the addition of inhibitor, but the long-term effects of selective biocides on microbial community composition and...

journal_title：Microbial ecology

authors： Pan Y,Wu Y,Li X,Zeng J,Lin X

更新日期：2019-11-01 00:00:00

abstract：:The anaerobic degradation ofp-cresol was studied with one sediment source under three reducing conditions-denitrifying, sulfidogenic, and methanogenic. Loss ofp-cresol (1 mM) in all the anaerobic systems took initially 3 to 4 weeks. In acclimated culturesp-cresol was degraded in less than a week.p-Cresol was completel...

journal_title：Microbial ecology

authors： Häggblom MM,Rivera MD,Bossert ID,Rogers JE,Young LY

更新日期：1990-12-01 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：:Diel changes in the specific growth rates of natural bacterial communities as a whole and of different groups within the communities were followed over 2 days during July 1982, in stratified waters in the vicinity of a shallow sea tidal mixing front in the Irish Sea. Waters well above (4 m) and below (60 m) the thermo...

journal_title：Microbial ecology

authors： Turley C,Lochte K

更新日期：1986-09-01 00:00:00