Nosema ceranae in South American Native Stingless Bees and Social Wasp.

abstract：:Thymidine and leucine incorporation into macromolecules of soil bacteria extracted by homogenization-centrifugation were measured after size-fractionation of the bacterial suspension through different sized filters (1.0, 0.8, 0.6, 0.4 μm). The specific thymidine incorporation rate was highest for the unfiltered and 1....

journal_title：Microbial ecology

authors： Bååth E

更新日期：1994-05-01 00:00:00

abstract：:Genetically engineeredErwinia carotovora persisted significantly longer in thermally perturbed microcosms (35 days) than in nonstressed microcosms (5 days). Decreased pressure of competitors and predators and increased nutrient availability were examined as the most probable reasons for greater vulnerability of pertur...

journal_title：Microbial ecology

authors： Scanferlato VS,Lacy GH,Cairns J Jr

更新日期：1990-12-01 00:00:00

abstract：:To elucidate the degree of microdiversity within the genus Prochlorococcus, novel Prochlorococcus-specific polymerase chain reaction (PCR) primers were developed for the rpoC1 gene, which encodes the ribonucleic acid (RNA) polymerase core subunit. The size of the PCR fragment (925 bp) coupled with high sequence variat...

journal_title：Microbial ecology

authors： Jameson E,Joint I,Mann NH,Mühling M

更新日期：2008-01-01 00:00:00

abstract：:Spiroplasma endosymbionts are maternally inherited microorganisms which infect many arthropod species. In some Drosophila species, it acts as a reproductive manipulator, spreading in populations by killing the sons of infected mothers. Distinct Drosophila melanogaster populations from Brazil exhibit variable male-kill...

journal_title：Microbial ecology

authors： Ventura IM,Costa T,Klaczko LB

更新日期：2014-01-01 00:00:00

abstract：:The objectives of the research were to investigate short-term dynamics of bacterial populations in soil after a disturbance in the form of fresh organic matter incorporation and to investigate how these dynamics are linked to those of some environmental parameters. To reach these objectives, soil bacterial populations...

journal_title：Microbial ecology

authors： Zelenev VV,van Bruggen AH,Semenov AM

更新日期：2005-01-01 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：:Numerous studies demonstrated that endophytic microbes can promote plant growth and increase plant stress resistance. We aimed at isolating poplar endophytes able to increase their hosts' fitness both in nutrient-limited and polluted environments. To achieve this goal, endophytic bacteria and fungi were isolated from ...

journal_title：Microbial ecology

authors： Schmidt CS,Lovecká P,Mrnka L,Vychodilová A,Strejček M,Fenclová M,Demnerová K

更新日期：2018-05-01 00:00:00

abstract：:The ecological importance of microbial symbioses in terrestrial soils is widely recognized, but their role in soils that accumulate in forest canopies is almost entirely unknown. To address this gap, this study investigated the Frankia-Alnus rubra symbiosis in canopy and forest floor roots at Olympic National Park, WA...

journal_title：Microbial ecology

authors： Kennedy PG,Schouboe JL,Rogers RH,Weber MG,Nadkarni NM

更新日期：2010-02-01 00:00:00

abstract：:Hardly any molecular studies have been done on euendoliths of marine coastal environments, especially along the supratidal ranges of carbonate coasts. In our study, we provide a comparative sequence analysis using 454 pyrosequencing of the 16S ribosomal RNA (rRNA) gene combined with extensive microscopy of the endolit...

journal_title：Microbial ecology

authors： Brandes M,Albach DC,Vogt JC,Mayland-Quellhorst E,Mendieta-Leiva G,Golubic S,Palinska KA

更新日期：2015-11-01 00:00:00

abstract：:Many sponges host abundant and active microbial communities that may play a role in the uptake of dissolved organic matter (DOM) by the sponge holobiont, although the mechanism of DOM uptake and metabolism is uncertain. Bulk and compound-specific isotopic analysis of whole sponge, isolated sponge cells, and isolated s...

journal_title：Microbial ecology

authors： Shih JL,Selph KE,Wall CB,Wallsgrove NJ,Lesser MP,Popp BN

更新日期：2020-02-01 00:00:00

abstract：:Drying and rewetting is a frequent physiological stress for soil microbial communities; a stress that is predicted to grow more influential with future climate change. We investigated the effect of repeated drying-rewetting cycles on bacterial (leucine incorporation) and fungal (acetate in ergosterol incorporation) gr...

journal_title：Microbial ecology

authors： Bapiri A,Bååth E,Rousk J

更新日期：2010-08-01 00:00:00

abstract：:Conjugal transfer of a derivative of the RP4 plasmid between Pseudomonas fluorescens AS12 and Serratia plymuthica RF7 was compared in the rhizosphere of pea, wheat, and barley and related to the metabolic activity of the bacteria. To obtain a reliable measure of transfer, which allowed comparison of results between ex...

journal_title：Microbial ecology

authors： Schwaner NE,Kroer N

更新日期：2001-10-01 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：:Aerobic methanotrophs present in wetlands can serve as a methane filter and thereby significantly reduce methane emissions. Sanjiang wetland is a major methane source and the second largest wetland in China, yet little is known about the characteristics of aerobic methanotrophs in this region. In the present study, we...

journal_title：Microbial ecology

authors： Yun J,Zhang H,Deng Y,Wang Y

更新日期：2015-04-01 00:00:00

abstract：:Mesophilic heterotrophic, aerobic or facultatively anaerobic bacteria that grow on yeast tryptone glucose extract agar were isolated from the surface of olive leaves of 3 or 4 different ages in January, April, July, and October from 1984 to 1989. Unweighted average linkage cluster analysis on either the Jaccard coeffi...

journal_title：Microbial ecology

authors： Ercolani GL

更新日期：1991-12-01 00:00:00

abstract：CONCLUSION:As the interactions between marine invertebrates and their bacterial commensals and symbionts are better understood, the application of biotechnology will enhance both environmental and economic benefit. In the immediate future, marine bacteria, either selected or genetically engineered, will play a signific...

journal_title：Microbial ecology

authors： Bonar DB,Weiner RM,Colwell RR

更新日期：1986-03-01 00:00:00

abstract：:Little is known of the responsiveness of soil bacterial community structure to disturbance. In this study, we subjected a soil microcosm to physical disturbance, sterilizing 90 % of the soil volume each time, at a range of frequencies. We analysed the bacterial community structure using 454 pyrosequencing of the 16S r...

journal_title：Microbial ecology

authors： Kim M,Heo E,Kang H,Adams J

更新日期：2013-07-01 00:00:00

abstract：:We investigated the impact of fish farm biodeposition on benthic bacteria, thraustochytrid protists, and heterotrophic protozoa (nanoflagellates and ciliates) in an oligotrophic area of the Mediterranean Sea. The fish farm impact was investigated both on a seagrass (Posidonia oceanica) bed and on soft bottom sediments...

journal_title：Microbial ecology

authors： Bongiorni L,Mirto S,Pusceddu A,Danovaro R

更新日期：2005-08-01 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：:Bisphenol A (BPA) is one of the endocrine-disrupting chemicals that are ubiquitous in aquatic environments. Biodegradation is a major way to clean up the BPA pollution in sediments. However, information on the effective BPA biodegradation in anaerobic sediments is still lacking. The present study investigated the biod...

journal_title：Microbial ecology

authors： Yang Y,Wang Z,He T,Dai Y,Xie S

更新日期：2015-07-01 00:00:00

abstract：:Rainforest aquatic ecosystems include complex habitats with scarce information on their unicellular eukaryote diversity and community structure. We have investigated the diversity of ciliates in freshwater and brackish environments along the Brazilian Atlantic Forest, based on the hypervariable V4 region of the 18S-rD...

journal_title：Microbial ecology

authors： Fernandes NM,Campello-Nunes PH,Paiva TS,Soares CAG,Silva-Neto ID

更新日期：2020-10-06 00:00:00

abstract：:We have generated new sensors for the specific detection and studies of bioavailability of metals by engineering Pseudomonas fluorescens with reporter gene systems. One broad host range mercury (pTPT11) and two arsenite (pTPT21 and pTPT31) sensor plasmids that express metal presence by luminescence phenotype were cons...

journal_title：Microbial ecology

authors： Petänen T,Virta M,Karp M,Romantschuk M

更新日期：2001-02-01 00:00:00

abstract：:The ability of strains of the genusRhodococcus to transform chlorinated phenolic compounds was studied. Noninduced cells of several strains ofRhodococcus, covering at least eight species, were found to attack mono-, di-, and trichlorophenols by hydroxylation at theortho position to chlorocatechols. 3-chlorophenol and ...

journal_title：Microbial ecology

authors： Häggblom MM,Janke D,Salkinoja-Salonen MS

更新日期：1989-09-01 00:00:00

abstract：:To date, the knowledge of eukaryotic communities associated with sponges remains limited compared with prokaryotic communities. In a manner similar to prokaryotes, it could be hypothesized that sponge holobionts have phylogenetically diverse eukaryotic symbionts, and the eukaryotic community structures in different sp...

journal_title：Microbial ecology

authors： He L,Liu F,Karuppiah V,Ren Y,Li Z

更新日期：2014-05-01 00:00:00

abstract：:Nitrogen fixation (C2H2 reduction) by epiphylls on coffee,Coffea arabica, grown in sites with different degrees of shade, was determined. Coffee leaves with nitrogen-fixing epiphylls were found in all sites in approximately equal numbers. Rates of C2H2 reduction were similar for all sites and throughout the year, aver...

journal_title：Microbial ecology

authors： Roskoski JP

更新日期：1980-12-01 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：: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 community composition of arbuscular mycorrhizal fungi (AMF) was analyzed in roots of Gypsophila struthium growing in gypsum soils under semiarid conditions. In order to investigate the effect of plant community degradation on the AMF biodiversity at the single species level, on the basis of the plant community com...

journal_title：Microbial ecology

authors： Alguacil MM,Roldán A,Torres MP

更新日期：2009-05-01 00:00:00

abstract：:The muramic acid (MurA) assay is a powerful tool for the detection and quantification of bacteria with no need to enrich samples by culturing. However, the analysis of MurA in mixed biological and environmental matrices is potentially more complex than analysis in isolated bacterial cells. In this study, we employed o...

journal_title：Microbial ecology

authors： Liang C,Read HW,Balser TC

更新日期：2009-04-01 00:00:00

abstract：:Potential rates of nitrification and denitrification were measured in an oligotrophic sediment system. Nitrification potential was estimated using the CO oxidation technique, and potential denitrification was measured by the acetylene blockage technique. The sediments demonstrated both nitrifying and denitrifying acti...

journal_title：Microbial ecology

authors： Dodds WK,Jones RD

更新日期：1987-07-01 00:00:00