Abstract:
:In an effort to identify the causes and patterns of temporal change in periphytic communities, we examined biomass accumulation, taxonomic and functional composition, rate of species turnover, and pairwise species correlations in response to variability in current velocity and nutrient supply in artificial stream flumes. Divergent patterns in community growth and succession were observed between nutrient treatments and, to a lesser extent, between flow treatments best described by shifts in taxonomic and functional composition. Specifically, understory low profile species, tolerant to low resource supply, became dominant under low nutrients, while overstory high profile and motile species with higher nutrient demands dominated the high nutrient treatments. Increased resource supply or current velocity did not influence the species turnover rate, measured by a time-lag analysis. Interspecific interactions, especially competition, did not appear to be driving community dynamics, as the number of positive and negative pairwise species correlations ranged between low and extremely low, respectively. The overwhelming majority of correlations were not significant, indicating that species within the biofilm matrix were not perceptibly influencing one another. Thus, temporal trends in taxonomic and functional composition were largely environmentally driven, signifying that coexistence in biofilms is defined by the same mechanism along the hierarchy from species to functional groups.
journal_name
FEMS Microbiol Ecoljournal_title
FEMS microbiology ecologyauthors
Larson CA,Passy SI,Laanbroek Rdoi
10.1111/j.1574-6941.2012.01302.xsubject
Has Abstractpub_date
2012-05-01 00:00:00pages
352-62issue
2eissn
0168-6496issn
1574-6941journal_volume
80pub_type
杂志文章abstract::Stream epilithic biofilm community assembly is influenced in part by environmental factors. Autumn leaf deposition is an annual resource subsidy to streams, but the physical effects of leaves settling on epilithic biofilms has not been investigated.We hypothesized that bacterial and microeukaryotic community assembly ...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiv060
更新日期:2015-06-01 00:00:00
abstract::Pseudomonas pseudoalcaligenes KF707 is a polychlorinated biphenyls (PCBs) degrader, also tolerant to several toxic metals and metalloids. The work presented here examines for the first time the chemotactic response of P. pseudoalcaligenes KF707 to biphenyl and intermediates of the PCB biodegradation pathway in the pre...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2010.00965.x
更新日期:2010-11-01 00:00:00
abstract::The interface between biological and geochemical components in the surface crust of a saline soil was investigated using X-ray diffraction, and variable pressure scanning electron microscopy in combination with energy dispersive X-ray spectrometry. Mineral compounds such as halite and gypsum were identified crystalliz...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiw080
更新日期:2016-06-01 00:00:00
abstract::A new fluorescence staining and flow cytometry protocol was developed to monitor several physiological states in biocontrol strain Pseudomonas fluorescens DR54 during storage survival in a stationary-phase culture, preparation of clay carrier for seed formulation, and establishment in a sugar beet spermosphere. The hi...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2008.00631.x
更新日期:2009-03-01 00:00:00
abstract::Abstract The mycelial growth form of eucarpic fungi allows for a highly effective spatial exploration of the soil habitat. However, understanding mycelial spread through soil has been limited by difficulties of observation and quantification of fungi as they spread through this matrix. We report on a study on the effe...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2003.tb01089.x
更新日期:2003-05-01 00:00:00
abstract::Archaeal communities and the factors regulating their diversity in high altitude lakes are poorly understood. Here, we provide the first high-throughput sequencing study of Archaea from Tibetan Plateau lake sediments. We analyzed twenty lake sediments from the world's highest and largest plateau and found diverse arch...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiw033
更新日期:2016-03-01 00:00:00
abstract::The recently observed high levels of fecal indicators in beach sand confound beach water monitoring efforts. The high levels of fecal indicators may be caused by the loss or the reduced activities of common environmental stresses controlling die-off in the sand. Microcosm experiments were conducted to compare the effe...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2010.00921.x
更新日期:2010-10-01 00:00:00
abstract::Ammonia oxidizers catalyze the first step of nitrification. Combined microbial nitrification-denitrification activities are essential for the removal of excess nitrogen from water bodies. In sandy streambeds, bed form structures are created by water flow and lead to the creation of heterogeneous microenvironments. The...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12385
更新日期:2014-10-01 00:00:00
abstract::Photosynthetic picoeukaryotes (PPEs) are major oceanic primary producers. However, the diversity of such communities remains poorly understood, especially in the northwestern (NW) Pacific. We investigated the abundance and diversity of PPEs, and recorded environmental variables, along a transect from the coast to the ...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiv170
更新日期:2016-02-01 00:00:00
abstract::Several studies have shown that microbial communities in Antarctic environments are highly diverse. However, considering that the Antarctic Peninsula is among the regions with the fastest warming rates, and that regional climate change has been linked to an increase in the mean rate of glacier retreat, the microbial d...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiu005
更新日期:2015-01-01 00:00:00
abstract::Glaciers accumulate airborne microorganisms year by year and thus are good archives of microbial communities and their relationship to climatic and environmental changes. Hypotheses have focused on two possible drivers of microbial community composition in glacier systems. One is aeolian deposition, in which the micro...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章,评审
doi:10.1111/j.1574-6941.2009.00759.x
更新日期:2009-11-01 00:00:00
abstract::Integrating conjugative elements (ICEs) of the SXT/R391 family have been described in Vibrios, mainly Vibrio cholerae, and other bacteria as carriers of variable gene content conferring adaptive advantages upon their hosts, including antimicrobial resistance and motility regulation. However, our knowledge on their hos...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12007
更新日期:2013-02-01 00:00:00
abstract::Host traits and environmental factors drive the natural variation in gut microbiota, and disruption in homeostasis can cause infections and chronic diseases. African wildlife is increasingly facing human-induced agricultural habitats, which also amplifies the contact probability with livestock with unknown consequence...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fix123
更新日期:2017-11-01 00:00:00
abstract::A dietary deficiency in polyunsaturated fatty acids (PUFAs) and/or sterols can severely constrain growth and reproduction of invertebrate consumers. Single nutrients are potentially assigned to different physiological processes, for example to support defence mechanisms; therefore, lipid requirements of healthy and pa...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12407
更新日期:2014-11-01 00:00:00
abstract::Anaerobic digestion of olive mill wastewaters is generally performed in anaerobic contact bioreactors where the removal of toxic phenols is often unsatisfactory. In the present work we show that a granular activated carbon packed-bed biofilm reactor can be successfully used to achieve effective and reproducible wastew...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1016/j.femsec.2004.03.009
更新日期:2004-06-01 00:00:00
abstract::Aerobic anoxygenic phototrophic bacteria may play a particular role in carbon cycling of aquatic systems. However, little is known about the interaction between aerobic anoxygenic phototrophic bacteria and hydrochemistry in groundwater-surface water exchange systems of subtropical karst catchments. We carried out a de...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fix065
更新日期:2017-06-01 00:00:00
abstract::Phase-separation and -segregation (boiling/distillation of subseafloor hydrothermal fluids) represent the primary mechanisms causing intra-field variations in vent fluid compositions. To determine whether this geochemical process affects the formation of microbial communities, we examined the microbial communities at ...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1016/j.femsec.2005.03.007
更新日期:2005-09-01 00:00:00
abstract::Understanding the spatial distribution of aquatic microbial diversity and the underlying mechanisms causing differences in community composition is a challenging and central goal for ecologists. Recent insights into protistan diversity and ecology are increasing the debate over their spatial distribution. In this stud...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12100
更新日期:2013-07-01 00:00:00
abstract::Lakes are exposed to anthropogenic pollution including the release of allochthonous bacteria into their waters. Antibiotic resistance genes (ARGs) stabilize in bacterial communities of temperate lakes, and these environments act as long-term reservoirs of ARGs. Still, it is not clear if the stabilization of the ARGs i...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiaa002
更新日期:2020-02-01 00:00:00
abstract::Rhodococcus sp. strain DTB (DSM 44534) was grown on a mixture of (R,R)-, (S,S)- and meso-bis-(1-chloro-2-propyl) ether (BCPE) as the sole source of carbon and energy. During BCPE degradation 1'-chloro-2'-propyl-3-chloro-2-prop-1-enyl-ether (DVE), 1-chloro-2-propanol and chloroacetone intermediates were formed. The BCP...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2005.00004.x
更新日期:2006-01-01 00:00:00
abstract::Methanogenesis from acetate (aceticlastic methanogenesis or syntrophic acetate oxidation (SAO) coupled with hydrogenotrophic methanogenesis) is the most important step for the biogas process. The major environmental factors influencing methanogenesis are volatile fatty acids, ammonia, pH, and temperature. In our study...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2012.01456.x
更新日期:2013-01-01 00:00:00
abstract::Plasmid pQBR55 ( approximately 149 kb) represents one of five (Groups I-V) genetically distinct transfer proficient, mercury resistance plasmid groups that have been observed in the phytosphere pseudomonad community at a single geographic location in Oxford, UK. A 4.9-kb HindIII fragment was cloned from pQBR55 (a Grou...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2002.tb01010.x
更新日期:2002-11-01 00:00:00
abstract::One alternative to mineral fertilization is to use organic fertilizers. Our aim was to compare the impacts of 7-year applications of composted pig manure and ammonium nitrate on the structure and activity of the denitrifying community. Mineralization and organization of N, denitrification rates and N2O/N2 ratio were a...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2006.00064.x
更新日期:2006-04-01 00:00:00
abstract::Polycyclic aromatic hydrocarbons (PAHs) are some of the most widespread xenobiotic pollutants, with the potentially carcinogenic high-molecular-weight representatives being of particular interest. However, while in eukaryotes, the cytochrome P450 (CYP)-mediated activation of benzo[a]pyrene (B[a]P) has become a model f...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12276
更新日期:2014-04-01 00:00:00
abstract::Listeria monocytogenes is a human pathogen, ubiquitous in the environment, and can grow and survive under a wide range of environmental conditions. It contaminates foods via raw materials or food-processing environments. However, the current knowledge of its ecology and, in particular, the mode of environmental surviv...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/j.1574-6941.2009.00736.x
更新日期:2009-10-01 00:00:00
abstract::Mimosa caesalpiniifolia Benth. is a legume native to the semi-arid region of Brazil, in the Northeast. Its successful adaptation to other locations, such as the Atlantic Forest in the Southeast region, may be related to its ability to establish symbiosis with nitrogen-fixing bacteria, especially β-rhizobia of the genu...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiz109
更新日期:2019-08-01 00:00:00
abstract::In marine oxygen deficient zones (ODZs), which contribute up to half of marine N loss, microbes use nitrogen (N) for assimilatory and dissimilatory processes. Here, we examine N utilization above and within the ODZ of the Eastern Tropical North Pacific Ocean, focusing on distribution, uptake and genes for the utilizat...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiy138
更新日期:2018-10-01 00:00:00
abstract::Methanogenic biodegradation involves the cooperative metabolism of syntrophic bacteria that catalyse the initial attack and subsequent degradation of hydrocarbons, and methanogens that convert intermediates such as hydrogen and carbon dioxide, formate, and/or acetate to methane. The identity of syntrophic microbes and...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1111/1574-6941.12364
更新日期:2014-09-01 00:00:00
abstract::We investigated ammonia-oxidizing bacteria in activated sludge collected from 12 sewage treatment systems, whose ammonia removal and treatment processes differed, during three different seasons. We used real-time PCR quantification to reveal total bacterial numbers and total ammonia oxidizer numbers, and used specific...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1016/j.femsec.2005.03.017
更新日期:2005-10-01 00:00:00
abstract::Fungal communities in Norway spruce (Picea abies) logs in two forests in Sweden were investigated by 454-sequence analyses and by examining the ecological roles of the detected taxa. We also investigated the relationship between fruit bodies and mycelia in wood and whether community assembly was affected by how the de...
journal_title:FEMS microbiology ecology
pub_type: 杂志文章
doi:10.1093/femsec/fiv012
更新日期:2015-03-01 00:00:00