Response of benthic protozoa and thraustochytrid protists to fish farm impact in seagrass (Posidonia oceanica) and soft-bottom sediments.

abstract：:Recent and substantial yield losses of Styrian oil pumpkin (Cucurbita pepo L. subsp. pepo var. styriaca Greb.) are primarily caused by the ascomycetous fungus Didymella bryoniae but bacterial pathogens are frequently involved as well. The diversity of endophytic microbial communities from seeds (spermosphere), roots (...

journal_title：Microbial ecology

authors： Fürnkranz M,Lukesch B,Müller H,Huss H,Grube M,Berg G

更新日期：2012-02-01 00:00:00

abstract：:Bees forage for pollen and nectar at flowers but simultaneously acquire pathogenic, commensal, and likely beneficial microbes from these same flowers. Characterizing pollen usage of wild bees is therefore crucial to their conservation yet remains a challenging task. To understand pollen usage across landscapes and how...

journal_title：Microbial ecology

authors： McFrederick QS,Rehan SM

更新日期：2019-02-01 00:00:00

abstract：:In this paper we present a method of isolation and morphological and physiological characterization of groundwater bacteria based on numerical taxonomy and cluster analysis, and using a miniaturized test system (microtiter plates). Bacteria were isolated randomly on P-agar, and each strain was characterized in regard ...

journal_title：Microbial ecology

authors： Kölbel-Boelke J,Tienken B,Nehrkorn A

更新日期：1988-07-01 00:00:00

abstract：:Dialysis bags were used to examine the impact of predation and viral lysis on prokaryotic community composition (PCC) over a 5-day experiment in the oligomesotrophic Lake Pavin (France). The impact of the different predator communities (protists and metazoans) of prokaryotes was estimated by water fractionation (<5 mi...

journal_title：Microbial ecology

authors： Jardillier L,Bettarel Y,Richardot M,Bardot C,Amblard C,Sime-Ngando T,Debroas D

更新日期：2005-11-01 00:00:00

abstract：:The occurrence and distribution of Azorhizobium and Rhizobium strains that induce stem nodulation of Sesbania rostrata were determined in four vegetation zones in Senegal. Based on tests with 16 Rhizobium and 10 Azorhizobium strains nodulating S. rostrata, a method was devised to distinguish among the strains. In all ...

journal_title：Microbial ecology

authors： Robertson BK,Dreyfus B,Alexander M

更新日期：1995-01-01 00:00:00

abstract：:The haptophyte Prymnesium parvum has lytic properties, and it affects coexisting phytoplankton species through allelopathy. We studied the effect of P. parvum allelochemicals on the lysis of the nontoxic and nonaxenic cryptomonad Rhodomonas salina and the consequent release of dissolved organic carbon (DOC). Changes i...

journal_title：Microbial ecology

authors： Uronen P,Kuuppo P,Legrand C,Tamminen T

更新日期：2007-07-01 00:00:00

abstract：:Global warming is causing ice retreat in glaciers worldwide, most visibly over the last few decades in some areas of the planet. One of the most affected areas is the region of Tierra del Fuego (southern South America). Vascular plant recolonisation of recently deglaciated areas in this region is initiated by Gunnera ...

journal_title：Microbial ecology

authors： Fernández-Martínez MA,de Los Ríos A,Sancho LG,Pérez-Ortega S

更新日期：2013-08-01 00:00:00

abstract：:The distribution of aerobic chemoheterotrophic microorganisms within a 21 m3 section of deep subsurface rock was determined. Nineteen samples for microbiological analysis were aseptically taken by hand from the walls of a 400 m deep subsurface tunnel after an alpine miner created fresh rock faces 0.76, 1.52, 2.28, and...

journal_title：Microbial ecology

authors： Haldeman DL,Amy PS,Ringelberg D,White DC

更新日期：1993-09-01 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

abstract：:Soil microorganisms are sensitive to environmental perturbations such that changes in microbial community structure and function can provide early signs of anthropogenic disturbances and even predict restoration success. We evaluated the bacterial functional diversity of un-mined and three chronosequence sites at vari...

journal_title：Microbial ecology

authors： Lewis DE,White JR,Wafula D,Athar R,Dickerson T,Williams HN,Chauhan A

更新日期：2010-05-01 00:00:00

abstract：:This study evaluated the effect of the antiretroviral ritonavir on protease secretion in different strains of Cryptococcus neoformans isolated from the environment and investigated the expression of heat shock protein (Hsp90), classically described virulence factors in other yeast in the presence of the same antiretro...

journal_title：Microbial ecology

authors： Serafin CF,Paris AP,Paula CR,Simão RC,Gandra RF

更新日期：2017-04-01 00:00:00

abstract：:Methanotrophic bacteria are able to use methane (CH4) as a sole carbon and energy source. Photochemical oxidation of methane takes place in the stratosphere, whereas in the troposphere, this process is carried out by methanotrophic bacteria. On the one hand, it is known that the efficiency of biological CH4 oxidation ...

journal_title：Microbial ecology

authors： Szafranek-Nakonieczna A,Wolińska A,Zielenkiewicz U,Kowalczyk A,Stępniewska Z,Błaszczyk M

更新日期：2019-04-01 00:00:00

abstract：:The microbial biomass and community structure of eight Chinese red soils with different fertility and land use history was investigated. Two community based microbiological measurements, namely, community level physiological profiling (CLPP) using Biolog sole C source utilization tests and phospholipid fatty acid (PLF...

journal_title：Microbial ecology

authors： Yao H,He Z,Wilson MJ,Campbell CD

更新日期：2000-08-01 00:00:00

abstract：:Simulation modeling has been an integral, albeit ad hoc, component of the field of aquatic microbial ecology for the past two decades. One of the most critical steps in simulation modeling is the initial formulation of a clear set of questions and goals. It is doubtful that a single generic model could be constructed ...

journal_title：Microbial ecology

authors： Hopkinson CS Jr,Vallino JJ

更新日期：1994-09-01 00:00:00

abstract：:The recovery of bdellovibrios from estuarine sediments over an annual cycle was studied. Greater numbers of the predators were recovered in sediment than in the water column. Increases in the number of bdellovibrios recovered from sediment over various periods of time suggest that multiplication of the predators occur...

journal_title：Microbial ecology

authors： Williams HN

更新日期：1988-01-01 00:00:00

abstract：:High specific activity(14)C-labeled glucose, succinate, acetate, salicylate, and amino acids were used to examine carbon metabolism by the microbial community of Pahokee muck (aLithic medisaprist), a drained, cultivated soil of the Florida Everglades. Variations in carbon oxidation were observed from the end of the we...

journal_title：Microbial ecology

authors： Tate RL 3rd

更新日期：1980-12-01 00:00:00

abstract：:The high plasticity of root morphology, physiology, and function influences root-associated microbiomes. However, the variation in root-associated microbiome diversity and structures in response to root diameter at different root depths remains poorly understood. Here, we selected black locust (Robinia pseudoacacia L....

journal_title：Microbial ecology

authors： Zai X,Luo W,Bai W,Li Y,Xiao X,Gao X,Wang E,Wei G,Chen W

更新日期：2021-01-15 00:00:00

abstract：:Ecological transformations derived from habitat fragmentation have led to increased threats to above-ground biodiversity. However, the impacts of forest fragmentation on soils and their microbial communities are not well understood. We examined the effects of contrasting fragment sizes on the structure and functioning...

journal_title：Microbial ecology

authors： Flores-Rentería D,Curiel Yuste J,Rincón A,Brearley FQ,García-Gil JC,Valladares F

更新日期：2015-05-01 00:00:00

abstract：:Scanning electron microscopy and fluorescence microscopy after scanning with DAPI indicated that the skin mucus of the cornetfish contained large numbers of bacteria, 4 × 10(8) per cm3. However, viable counts yielded only 2 × 104 per cm(3). Twelve bacterial strains were isolated directly from the mucus and another ten...

journal_title：Microbial ecology

authors： Bernadsky G,Rosenberg E

更新日期：1992-07-01 00:00:00

abstract：:Saltmarshes are typically dominated by perennial grasses with large underground rhizome systems that can change local sediment conditions and be important in shaping the sediment microbial community. Factors such as salinity that control plant zonation in saltmarshes are also likely to influence the microbial communit...

journal_title：Microbial ecology

authors： Rietl AJ,Overlander ME,Nyman AJ,Jackson CR

更新日期：2016-02-01 00:00:00

abstract：:The relationship between functional redundancy and microbial community structure-diversity was examined using laboratory incubations to ensure constant environmental conditions. Serial dilutions of a sewage microbial community were prepared, used to inoculate sterile sewage, and maintained in batch culture. Probabilit...

journal_title：Microbial ecology

authors： Franklin RB,Mills AL

更新日期：2006-08-01 00:00:00

abstract：:Didymosphenia geminata (Lyngbye) M. Schmidt is a stalked freshwater diatom that is expanding its range globally. In some rivers, D. geminata forms thick and expansive polysaccharide-dominated mats. Like other stalked diatoms, D. geminata cells attach to the substratum with a pad of adhesive extracellular polymeric sub...

journal_title：Microbial ecology

authors： Brandes J,Kuhajek JM,Goodwin E,Wood SA

更新日期：2016-10-01 00:00:00

abstract：:Viable bacteria were found in permafrost core samples from the Kolyma-Indigirka lowland of northeast Siberia. The samples were obtained at different depths; the deepest was about 3 million years old. The average temperature of the permafrost is -10 degrees C. Twenty-nine bacterial isolates were characterized by 16S rD...

journal_title：Microbial ecology

authors： Shi T,Reeves RH,Gilichinsky DA,Friedmann EI

更新日期：1997-05-01 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：:Interactions between mushrooms, yeasts, and parasitic fungi are probably common in nature, but are rarely described. Bolete fruiting bodies are associated with a broad spectrum of microorganisms including yeasts, and they are commonly infected with filamentous mycoparasites of the genus Sepedonium (teleomorph Hypomyce...

journal_title：Microbial ecology

authors： Yurkov A,Krüger D,Begerow D,Arnold N,Tarkka MT

更新日期：2012-02-01 00:00:00

abstract：:The source of combined nitrogen in endolithic microbial communities was studied in samples from desert localities in North and South America, the Middle East, South Africa, and Antarctica. Nitrogen fixation (acetylene reduction) seems to occur only exceptionally. Evidence suggests that, in general, the nitrogen source...

journal_title：Microbial ecology

authors： Friedmann EI,Kibler AP

更新日期：1980-06-01 00:00:00

abstract：:Bacterial surface structures called pili have been studied extensively for their role as possible colonization factors. Most sequenced Vibrio genomes predict a variety of pili genes in these organisms, including several types of type IV pili. In particular, the mannose-sensitive hemagglutinin (MSHA) and the PilA pili,...

journal_title：Microbial ecology

authors： Aagesen AM,Häse CC

更新日期：2012-08-01 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：:The short-term response of induced perturbation by 4-ethylphenol on β-proteobacterial ammonia oxidizers (β-AOB) was investigated in two soils with initial differences in community structure. The hypotheses were that short-term effects of a disturbance of the AOB community is best monitored by specifically looking at t...

journal_title：Microbial ecology

authors： Nyberg KA,Enwall K,Schnürer A,Sundh I,Hallin S

更新日期：2012-04-01 00:00:00

abstract：:Rhizospheric soil samples were taken from Puna native grasses along an altitudinal gradient. Biodiversity of arbuscular mycorrhizal fungi (AMF) and associated bacteria was analyzed considering altitude and grasses photosynthetic pathways (metabolic type C3, C4). Cultivation-dependent approaches were applied to obtain ...

journal_title：Microbial ecology

authors： Lugo MA,Ferrero M,Menoyo E,Estévez MC,Siñeriz F,Anton A

更新日期：2008-05-01 00:00:00