Pigmented nanoflagellates grazing on Synechococcus: seasonal variations and effect of flagellate size in the coastal ecosystem of subtropical Western Pacific.

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 A new procedure to investigate the relationship between bacterial cell size and activity at the cellular level has been developed; it is based on the coupling of radioactive labeling of bacterial cells and cell sorting by flow cytometry after SYTO 13 staining. Before sorting, bacterial cells were incubated ...

journal_title：Microbial ecology

authors： Servais P,Courties C,Lebaron P,Troussellier M

更新日期：1999-08-01 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：:While direct detrimental effects of parasites on hosts are relatively well documented, other more subtle but potentially important effects of parasitism are yet unexplored. Biological activity of ectoparasites, apart from skin injuries and blood-feeding, often results in blood remains, or parasite faeces that accumula...

journal_title：Microbial ecology

authors： Tomás G,Martín-Gálvez D,Ruiz-Castellano C,Ruiz-Rodríguez M,Peralta-Sánchez JM,Martín-Vivaldi M,Soler JJ

更新日期：2018-08-01 00:00:00

abstract：:Different experiments have estimated that the contribution of biological nitrogen fixation (BNF) is largely variable among sugarcane cultivars. Which bacteria are the most important in sugarcane-associated BNF is unknown. However, Gluconacetobacter diazotrophicus has been suggested as a strong candidate responsible fo...

journal_title：Microbial ecology

authors： Muñoz-Rojas J,Caballero-Mellado J

更新日期：2003-11-01 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：:Five vessels, connected in series, were used for a continuous flow system to model carbon flow in anaerobic microbial communities. Two such 5-vessel systems were constructed, the inflows containing 10 mM sulfate and either 10 mM glucose or benzoate. Dilution was slow (D=0.0018 h(-1) for the whole system).Analyses of d...

journal_title：Microbial ecology

authors： Thompson LA,Nedwell DB,Balba MT,Banat IM,Senior E

更新日期：1983-10-01 00:00:00

abstract：:Propionate is one of the major intermediates in anaerobic digestion of organic waste to CO2 and CH4. In methanogenic environments, propionate is degraded through a mutualistic interaction between symbiotic propionate oxidizers and methanogens. Although temperature heavily influences the microbial ecology and performan...

journal_title：Microbial ecology

authors： Chen YT,Zeng Y,Wang HZ,Zheng D,Kamagata Y,Narihiro T,Nobu MK,Tang YQ

更新日期：2020-07-01 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：: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：:Seven known species of rumen ciliates and mixedEntodinium spp. showed association with plant particles in rumen fluid in vitro. Association was greater with fresh particles than with hay, and substantially decreased when the water-soluble components of the particles were removed, suggesting that the water-soluble comp...

journal_title：Microbial ecology

authors： Orpin CG

更新日期：1985-03-01 00:00:00

abstract：:The diversity and the community structure of sulfate-reducing bacteria (SRB) in an anaerobic continuous bioreactor used for treatment of a sulfate-containing wastewater were investigated by fluorescence in situ hybridization. Hybridization to the 16S rRNA probe EUB338 for the domain Bacteria was performed, followed by...

journal_title：Microbial ecology

authors： Icgen B,Moosa S,Harrison ST

更新日期：2007-01-01 00:00:00

abstract：:One of the major challenges in microbial ecology for the future is to establish links between structural and functional biodiversity. This is particularly difficult when one is interested in a phylogenetically diversified function such as denitrification. The data banks are very rich in functional gene sequences (nirS...

journal_title：Microbial ecology

authors： Goregues CM,Michotey VD,Bonin PC

更新日期：2005-02-01 00:00:00

abstract：:It is suspected that phagotrophic marine protozoa might possess feeding receptors that enable them to discern the nutritional quality of individual prey items (during prey-handling) on the basis of their cell-surface biochemistry. This article reviews advances in our understanding of the molecular mechanisms that medi...

journal_title：Microbial ecology

authors： Martel CM

更新日期：2009-05-01 00:00:00

abstract：:In dryland regions, biological soil crusts (BSCs) have numerous important ecosystem functions. Crust species and functions are, however, highly spatially heterogeneous and remain poorly understood at a range of scales. In this study, chlorophyll fluorescence imaging was used to quantify millimeter-scale patterns in th...

journal_title：Microbial ecology

authors： Lan S,Thomas AD,Tooth S,Wu L,Hu C

更新日期：2019-11-01 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：:Three dominant types of sugar-fermenting bacteria were isolated from the anaerobic, intertidal sediments of the Eems-Dollard estuary by applying techniques involving anaerobic agar shake tubes. One of the isolated types was tentatively identified as aStreptococcus species, the other two asBacteroides species. All type...

journal_title：Microbial ecology

authors： Laanbroek HJ,Blok JP,Steenhuis L

更新日期：1985-06-01 00:00:00

abstract：:We investigated the dynamics and diversity of heterotrophic bacteria, autotrophic and heterotrophic flagellates, and ciliates from March to July 2002 in the surface waters (0-50 m) of Lake Bourget. The heterotrophic bacteria consisted mainly of "small" cocci, but filaments (>2 microm), commonly considered to be grazin...

journal_title：Microbial ecology

authors： Comte J,Jacquet S,Viboud S,Fontvieille D,Millery A,Paolini G,Domaizon I

更新日期：2006-07-01 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：:While oyster mushroom (Pleurotus spp.) is one of the most popular cultivated edible mushrooms, there is scanty information about the microbial community taking part in mushroom substrate production. In this study, an improved sequence-aided terminal restriction fragment length polymorphism (T-RFLP) was used to identif...

journal_title：Microbial ecology

authors： Vajna B,Szili D,Nagy A,Márialigeti K

更新日期：2012-10-01 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：:The predatory activity of bdellovibrios is affected by various environmental pollutants such as detergents, heavy metals, and pesticides. This was shown in a two-membered system ofBdellovibrio andPhotobacterium, in which the effect of the predator on the bioluminescence of the prey indicated the activity of the former...

journal_title：Microbial ecology

authors： Varon M,Shilo M

更新日期：1981-06-01 00:00:00

abstract：:Microbial biofilms in rivers contribute to the decomposition of the available organic matter which typically shows changes in composition and bioavailability due to their origin, seasonality, and watershed characteristics. In the context of global warming, enhanced biofilm organic matter decomposition would be expecte...

journal_title：Microbial ecology

authors： Ylla I,Romaní AM,Sabater S

更新日期：2012-10-01 00:00:00

abstract：:Bacterioplankton community composition was studied in 12 lakes in three different geographic regions in Scandinavia using denaturing gradient gel electrophoresis (DGGE) and sequencing of 16S rDNA. Area-specific abundant taxa were found in the lakes in two of the regions. In the region of Uppland the lakes had an alpha...

journal_title：Microbial ecology

authors： Lindström ES,Leskinen E

更新日期：2002-07-01 00:00:00

abstract：:Deep sequencing of prokaryotic 16S rDNA regularly reveals thousands of microbial species thriving in many common habitats. It is still unknown how this huge microbial diversity, including many potentially competing organisms, may persist at a single site. One of plausible hypotheses is that a large number of spatially...

journal_title：Microbial ecology

authors： Falteisek L,Duchoslav V,Čepička I

更新日期：2016-07-01 00:00:00

abstract：:Knowledge of the distribution of Paenibacillus larvae spores, the causative agent of American foulbrood (AFB), among individual adult honey bees is crucial for determining the appropriate number of adult bees to include in apiary composite samples when screening for diseased colonies. To study spore distribution at th...

journal_title：Microbial ecology

authors： Lindström A

更新日期：2008-08-01 00:00:00

abstract：:Abstract Interactions between natural bacterial assemblages and dissolved organic carbon (DOC) were investigated in two complementary batch experiments. In the first, a positive relationship was found between the proportion of electron transport system (ETS) active bacteria and the diversity of DOC in microcosms enric...

journal_title：Microbial ecology

authors： Gayte X,Fontvieille D,Wilkinson KJ

更新日期：1999-10-01 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：:The role of fungi in metal cycling in acidic environments has been little explored to date. In this study, two acid-tolerant and metal-resistant Penicillium isolates, strains ShG4B and ShG4C, were isolated from a mine site in the Transbaikal area of Siberia (Russia). Waters at the mine site were characterized by extre...

journal_title：Microbial ecology

authors： Glukhova LB,Frank YA,Danilova EV,Avakyan MR,Banks D,Tuovinen OH,Karnachuk OV

更新日期：2018-11-01 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