Abstract:
:Although organic-aggregate-associated bacteria play a pivotal role in microbial food webs and in the cycling of major elements, their community composition and diversity have not been extensively studied, especially in shallow freshwater systems. This study is among the first to explore intra-lake horizontal heterogeneity of organic-aggregate-associated bacterial community composition (OABC) in the large, shallow, and eutrophic Lake Taihu. During November 2006, samples were collected at four locations representing different trophic states and food web structures. Regional variability of OABC and diversity were studied by amplified ribosomal DNA restriction analysis and comparative analysis of four large 16S ribosomal RNA clone libraries. Our results demonstrate that OABC were numerically dominated by members of the beta-proteobacteria (19.2-38.6%), Bacteroidetes (3.6-20.0%), and alpha-proteobacteria (11.5-19.2%) groups. The dominance of the Bacteroidetes group was related to algae-based aggregates. Horizontal heterogeneity of OABC exists within habitats, suggesting that the trophic state of the water and the physicochemical properties of organic aggregates (OA) play a key role. Diverse bacterial communities found on OA were substantially different from free-living ones. Comparative statistical analyses of the habitats of OA-associated bacteria highlight the potential ecological importance of the exchange between OABC and the surrounding planktonic community. Lastly, we found at least 45% of sequences closely related to ones previously found in soils, sludge, sediments, and other habitats. This demonstrates that microorganisms from terrestrial and sediment habitats are an important component of OA.
journal_name
Microb Ecoljournal_title
Microbial ecologyauthors
Tang X,Gao G,Qin B,Zhu L,Chao J,Wang J,Yang Gdoi
10.1007/s00248-008-9482-8subject
Has Abstractpub_date
2009-08-01 00:00:00pages
307-22issue
2eissn
0095-3628issn
1432-184Xjournal_volume
58pub_type
杂志文章abstract::The human gut microbiota is a complex system that is essential to the health of the host. Increasing evidence suggests that the gut microbiota may play an important role in the pathogenesis of colorectal cancer (CRC). In this study, we used pyrosequencing of the 16S rRNA gene V3 region to characterize the fecal microb...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-013-0245-9
更新日期:2013-08-01 00:00:00
abstract::Next-generation sequencing has increased the coverage of microbial diversity surveys by orders of magnitude, but differentiating artifacts from rare environmental sequences remains a challenge. Clustering 16S rRNA sequences into operational taxonomic units (OTUs) organizes sequence data into groups of 97 % identity, h...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-012-0145-4
更新日期:2013-04-01 00:00:00
abstract::The role of disturbance in structuring natural microbial communities has been largely unexplored. Disturbance associated with invertebrate ingestion can reduce bacterial biomass and alter metabolic activities and compositions of bacterial assemblages in marine sediments. The primary objectives of the research presente...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-003-1031-x
更新日期:2004-08-01 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
pub_type: 杂志文章
doi:10.1007/s00248-007-9342-y
更新日期:2008-08-01 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
pub_type: 杂志文章
doi:10.1007/s00248-011-9821-z
更新日期:2011-05-01 00:00:00
abstract::The culturable haloarchaeal diversity in a crystallizer pond from a solar saltern has been analyzed and compared with the biodiversity directly retrieved by analysis of rRNA genes amplified from the environment. Two different sets of culture conditions have been assayed: solid medium with yeast extract as carbon sourc...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s002480000069
更新日期:2001-01-01 00:00:00
abstract::Unicellular microalgae generally grow in the presence of bacteria, particularly when they are farmed massively. This study analyzes the bacteria associated with mass culture of Botryococcus braunii: both the planktonic bacteria in the water column and those forming biofilms adhered to the surface of the microalgal cel...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-010-9686-6
更新日期:2010-10-01 00:00:00
abstract::Host-associated microbiota vary across host individuals and environmental conditions, but the relative importance of their genetic background versus their environment is difficult to disentangle. We sought to experimentally determine the factors shaping the microbiota of the planktonic Crustacean, Daphnia magna. We us...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-017-1126-4
更新日期:2018-08-01 00:00:00
abstract::Hosts and their associated microbes are being increasingly introduced around the world, which can lead to novel host/microbe associations via new sympatries. Woodwasps (Hymenoptera: Siricidae) are able to utilize wood for its nutrients due to obligate mutualistic associations with white rot fungi in the genus Amyloste...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-017-1018-7
更新日期:2018-01-01 00:00:00
abstract::Bluegill (Lepomis macrochirus) in Lake Biwa, Japan, feed on benthic invertebrates (benthivorous type), aquatic plants (herbivorous type), and zooplankton (planktivorous type). To evaluate the effect of food on intestinal bacterial microbiota, we characterized and compared the intestinal microbiota of these three types...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-006-9018-z
更新日期:2006-04-01 00:00:00
abstract::Biofilms, microbial mats, and microbialites dwell under highly limiting conditions (high salinity, extreme aridity, pH, and elevated arsenic concentration) in the Andean Puna. Only recent pioneering studies have described the microbial diversity of different Altiplano lakes and revealed their unexpectedly diverse micr...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-018-1159-3
更新日期:2018-10-01 00:00:00
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
pub_type: 杂志文章
doi:10.1007/BF00182410
更新日期:1994-05-01 00:00:00
abstract::This study investigated the relationships of time-dependent hydrological variability and selected microbial food web components. Samples were collected monthly from the Kopački Rit floodplain in Croatia, over a period of 19 months, for analysis of bacterioplankton abundance, cell size and biomass; abundance of heterot...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-012-0016-z
更新日期:2012-07-01 00:00:00
abstract::In order to estimate how pollution affects the bacterial community structure and composition of sediments, chemical and molecular approaches were combined to investigate eight stations around the Bizerte lagoon. Terminal restriction fragment length polymorphism (T-RFLP) analysis of PCR-amplified 16S rRNA genes reveale...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-009-9585-x
更新日期:2010-04-01 00:00:00
abstract::Metagenomics and the development of high throughput next generation sequencing capabilities have forced significant development in the field of phylogenetics: the study of the evolutionary relatedness of the planet's inhabitants. Herein, I review the major tree-building strategies, challenges and opportunities which e...
journal_title:Microbial ecology
pub_type: 杂志文章,评审
doi:10.1007/s00248-013-0236-x
更新日期:2013-07-01 00:00:00
abstract::A strain-specific immunofluorescence assay for enumeration of a marine denitrifying bacterium was developed and applied in the marine environment. The polyclonal antiserum for Pseudomonas stutzeri (ATCC 14405) did not react with other pseudomonads, other heterotrophs, or autotrophic nitrifying strains. The abundance o...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/BF00171890
更新日期:1993-05-01 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
pub_type: 杂志文章
doi:10.1007/s00248-004-0230-4
更新日期:2006-07-01 00:00:00
abstract::> Abstract To determine if spatial variation in soluble carbon sources along the root coincides with different trophic groups of bacteria, copiotrophic and oligotrophic bacteria were enumerated from bulk soil and rhizosphere samples at 2 cm intervals along wheat roots 2, 3, and 4 weeks after planting. There was a mode...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s002489900136
更新日期:1999-02-01 00:00:00
abstract::Wild Japanese macaques (Macaca fuscata Blyth) living in the highland and lowland areas of Yakushima are known to have different diets, with highland individuals consuming more leaves. We aim to clarify whether and how these differences in diet are also reflected by gut microbial composition and fermentation ability. T...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-020-01515-8
更新日期:2020-08-01 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
pub_type: 杂志文章
doi:10.1007/s00248-006-9033-0
更新日期:2006-08-01 00:00:00
abstract::Soil filamentous fungi play a prominent role in regulating ecosystem functioning in terrestrial ecosystems. This necessitates understanding their responses to climate change drivers in order to predict how nutrient cycling and ecosystem services will be influenced in the future. Here, we provide a quantitative synthes...
journal_title:Microbial ecology
pub_type: 杂志文章,meta分析
doi:10.1007/s00248-016-0795-8
更新日期:2016-08-01 00:00:00
abstract::Biotic and abiotic factors can influence interactions between microbial grazers and their prey, thus impacting both the cycling of biogenic carbon within the surface layer of the ocean and the export of carbon to the deep ocean and higher trophic levels. In this study, microcosm experiments were used to evaluate the c...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-002-1058-4
更新日期:2003-03-01 00:00:00
abstract::The dermis of cetaceans is in constant contact with microbial species. Although the skin of the bottlenose dolphin provides adequate defense against most disease-causing microbes, it also provides an environment for microbial community development. Microbial community uniqueness and richness associated with bottlenose...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-017-1071-2
更新日期:2018-02-01 00:00:00
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
pub_type: 杂志文章
doi:10.1007/s00248-001-1015-7
更新日期:2002-01-01 00:00:00
abstract::Abstract In this study, two different agricultural soils were investigated: one organic soil and one sandy soil, from Stend (south of Bergen), Norway. The sandy soil was a field frequently tilled and subjected to crop rotations. The organic soil was permanent grazing land, infrequently tilled. Our objective was to com...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s002489900117
更新日期:1998-11-01 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
pub_type: 杂志文章
doi:10.1007/s00248-005-5030-y
更新日期:2005-11-01 00:00:00
abstract::The occurrence of hypolithic cyanobacteria colonizing translucent stones was quantified along the aridity gradient in the Atacama Desert in Chile, from less arid areas to the hyperarid core where photosynthetic life and thus primary production reach their limits. As mean rainfall declines from 21 to journal_title:Microbial ecology pub_type: 杂志文章 doi:10.1007/s00248-006-9055-7 更新日期:2006-10-01 00:00:00
abstract::The community of culturable cellulolytic bacteria was analyzed in two long-term experimental field sites on Albic Luvisol (silty sand) and Haplic Phaeozem (loam), with and without farmyard manure treatment. Against the backdrop of significant differences in soil properties, the bacterial community structure differed c...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-007-9296-0
更新日期:2008-04-01 00:00:00
abstract::Although ammonia-oxidizing bacteria (AOB) are likely to play a key role in the soil nitrogen cycle, we have only a limited understanding of how the diversity and composition of soil AOB communities change across ecosystem types. We examined 23 soils collected from across North America and used sequence-based analyses ...
journal_title:Microbial ecology
pub_type: 杂志文章
doi:10.1007/s00248-009-9517-9
更新日期:2009-08-01 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
pub_type: 杂志文章
doi:10.1007/s00248-008-9438-z
更新日期:2009-05-01 00:00:00