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FEMS Microbiology Ecology

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https://www.readbyqxmd.com/read/28199699/detection-of-the-florfenicol-resistance-gene-flor-in-chryseobacterium-isolates-from-rainbow-trout-exception-to-the-general-rule
#1
David W Verner-Jeffreys, Thomas Brazier, Ramon Y Perez, David Ryder, Roderick M Card, Timothy J Welch, Rowena Hoare, Thao Ngo, Nikki McLaren, Richard Ellis, Kerry L Bartie, Stephen W Feist, William M P Rowe, Alexandra Adams, Kim D Thompson
No abstract text is available yet for this article.
February 11, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28199639/rapid-evolution-of-acetic-acid-detoxifying-escherichia-coli-under-phosphate-starvation-conditions-requires-activation-of-the-cryptic-phne-permease-and-induction-of-translesion-synthesis-dna-polymerases
#2
https://www.readbyqxmd.com/read/28199636/white-mold-on-cultivated-morels-caused-by-paecilomyces-penicillatus
#3
Xiao-Lan He, Wei-Hong Peng, Ren-Yun Miao, Jie Tang, Ying Chen, Li-Xu Liu, Di Wang, Bing-Cheng Gan
No abstract text is available yet for this article.
February 11, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28175253/the-microbiome-of-the-octocoral-lobophytum-pauciflorum-minor-differences-between-sexes-and-resilience-to-short-term-stress
#4
W Wessels, S Sprungala, S A Watson, D J Miller, D G Bourne
No abstract text is available yet for this article.
February 8, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28175239/threesomes-destabilise-certain-relationships-multispecies-interactions-between-wood-decay-fungi-in-natural-resources
#5
Jennifer Hiscox, Melanie Savoury, Selin Toledo, James Kingscott-Edmunds, Aimee Bettridge, Nasra Al Waili, Lynne Boddy
No abstract text is available yet for this article.
February 8, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28158724/the-marine-sulfate-reducer-desulfobacterium-autotrophicum-hrm2-can-switch-between-low-and-high-apparent-half-saturation-constants-for-dissimilatory-sulfate-reduction
#6
Irene Harder Tarpgaard, Bo Barker Jørgensen, Kasper Urup Kjeldsen, Hans Røy
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28158402/biofilm-formation-by-the-oral-pioneer-colonizer-streptococcus-gordonii-an-experimental-and-numerical-study
#7
Henryke Rath, Dianlei Feng, Insa Neuweiler, Sascha Nico Stumpp, Udo Nackenhorst, Meike Stiesch
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28137766/metallibacterium-scheffleri-genomic-data-reveal-a-versatile-metabolism
#8
Sibylle Bartsch, André Gensch, Simon Stephan, Andreas Doetsch, Johannes Gescher
This study describes the physiological properties of the widespread and recently described acid-tolerant microorganism Metallibacterium scheffleri DKE6. Despite that casitone was reported to be the only growth substrate of the organism, using a combination of proteomic, genomic, and transcriptomic approaches as well as microbiological assays, we could identify a rather versatile metabolism. The detected casein hydrolysis was corroborated by the detection of proteases in the supernatant of the organism as well as in transcriptome studies...
January 29, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28137765/gut-microbiota-may-predict-host-divergence-time-during-glires-evolution
#9
Huan Li, Jiapeng Qu, Tongtong Li, Minjie Yao, Jiaying Li, Xiangzhen Li
The gut microbial communities of animals play key roles in host evolution. However, the possible relationship between gut microbiota and host divergence time remains unknown. Here, we investigated the gut microbiota of eight Glires species (four lagomorpha species and four rodent species) distributed throughout the Qinghai-Tibet plateau and Inner Mongolia grassland. Lagomorphs and rodents had distinct gut microbial compositions. Three out of four lagomorpha species were dominated by Firmicutes, while rodents were dominated by Bacteroidetes in general...
January 29, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28137764/elevated-temperature-enhances-short-to-medium-chain-acyl-homoserine-lactone-production-by-black-band-disease-associated-vibrios
#10
Chinmayee D Bhedi, Carson W Prevatte, Maggie S Lookadoo, Patricia A Waikel, Patrick M Gillevet, Masoumeh Sikaroodi, Shawn R Campagna, Laurie L Richardson
Black band disease (BBD) of corals is a horizontally migrating, pathogenic, polymicrobial mat community which is active above a temperature threshold of 27.5°C on the reef. Bacterial isolates from BBD, the surface mucopolysaccharide layer (SML) of healthy corals, and SML of healthy areas of BBD infected corals were tested for production of short to medium chain acyl homoserine lactones (AHLs) using the Chromobacterium violaceum CV026 reporter strain. Of 110 bacterial isolates tested, 19 produced AHLs and 15 of these were from BBD...
January 29, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28115400/revisiting-life-strategy-concepts-in-environmental-microbial-ecology
#11
Adrian Ho, D Paolo Di Lonardo, Paul L E Bodelier
Microorganisms are physiologically diverse, possessing disparate genomic features and mechanisms for adaptation (functional traits), which reflect on their associated life strategies and determine at least to some extent their prevalence and distribution in the environment. Unlike animals and plants, there is an unprecedented diversity and intractable metabolic versatility among bacteria, making classification or grouping these microorganisms based on their functional traits as has been done in animal and plant ecology challenging...
January 22, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28115399/competitive-interactions-between-sponge-associated-bacteria
#12
Ana I S Esteves, Alescia Cullen, Torsten Thomas
The diversity of the microbial communities associated to marine sponges has been extensively studied, but their functioning and interactions within the sponge holobiont are only recently being appreciated. Sponge-associated microorganisms are known for the production of a range of inhibitory metabolites with biotechnological application, but the ecological role that these compounds might have remains elusive. In this work, we explore the competitive interactions between cultivated sponge-associated bacteria to inspect whether bacteria that produce antimicrobial activities are able to inhibit potentially pathogenic bacteria...
January 22, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28104667/carbon-catabolite-repression-and-cell-dispersal-affects-degradation-of-the-xenobiotic-compound-3-4-dichloroaniline-in-comamonas-testosteroni-wdl7-biofilms
#13
Benjamin Horemans, Philip Breugelmans, Johan Hofkens, Dirk Springael
Organic pollutant degrading biofilms in natural ecosystems and water treatment systems are often exposed to other carbon sources in addition to the pollutant. The availability of auxilliary carbon sources can lead to surplus biomass growth, changes in biofilm structure and carbon catabolite repression (CCR) which together will affect pollutant degradation rate and efficiency of the system. To understand the interplay between these processes, continuous biofilms of the 3,4-dichloroaniline (3,4-DCA) degrading Comamonas testosteroni WDL7-RFP were grown in single- and dual-substrate conditions with 3,4-DCA and/or citrate and reciprocal effects on 3,4-DCA/citrate degradation, biofilm biomass and biofilm structure were examined...
January 18, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28104666/inter-laboratory-quantification-of-bacteria-and-archaea-in-deeply-buried-sediments-of-the-baltic-sea-iodp-expedition-347
#14
Joy Buongiorno, Stephanie Turner, Gordon Webster, Masanori Asai, Alexander K Shumaker, Taylor Roy, Andrew Weightman, Axel Schippers, Karen G Lloyd
Two common quantification methods for subseafloor microorganisms are catalyzed reporter deposition fluorescence in situ hybridization (CARD-FISH) and quantitative PCR (qPCR). Using these methods, we quantified Bacteria and Archaea in Baltic Sea basin sediments (IODP Exp. 347) down to 90 mbsf, testing the following hypotheses in an inter-laboratory comparison: 1) proteinase K permeabilization of Archaeal cell walls increases CARD-FISH accuracy, and 2) qPCR varies by more than an order of magnitude between laboratories using similar protocols...
January 18, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28087803/epiphytic-planctomycetes-communities-associated-with-three-main-groups-of-macroalgae
#15
Joana Bondoso, Filipa Godoy-Vitorino, Vanessa Balagué, Josep M Gasol, Jens Harder, Olga Maria Lage
Planctomycetes, a unique group of widespread and understudied bacteria, are known to be associated with macroalgae. The temporal dynamics and the host-specific association of planctomycetal communities on Fucus spiralis, Ulva sp. and Chondrus crispus from two locations in the North Coast of Portugal were assessed both by denaturing gradient gel electrophoresis (DGGE) with group-specific primers and 16S rDNA amplicon libraries. The epiphytic planctomycetal communities showed a significant association with the host macroalgal species independently of the geographical location and the season...
January 12, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28087802/cytochrome-c-peroxidase-ccp-is-a-molecular-determinant-of-the-oxidative-stress-response-in-the-extreme-acidophilic-leptospirillum-sp-cf-1
#16
C Zapata, B Paillavil, R Chávez, P Álamos, G Levicán
Bioleaching processes are used to recover metals from sulfidic ores. Biofilm formation on ores is important for bioleaching because the attached microorganisms start the leaching process by concentrating ferric ions in the extracellular matrix. It has been shown that hydrogen peroxide is spontaneously generated on the surface of ores and that it negatively influences the growth and activity of microorganisms. However, the mechanism by which bioleaching microorganisms tolerate exogenous H2O2 as an adaptive trait remains elusive...
January 12, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28087801/occurrence-of-similar-mycoviruses-in-pathogenic-saprotrophic-and-mycorrhizal-fungi-inhabiting-the-same-forest-stand
#17
Eeva J Vainio, Taina Pennanen, Tiina Rajala, Jarkko Hantula
Fungal viruses (mycoviruses) are considered to be highly host specific, but phylogenetic analysis supports the occasional occurrence of horizontal transmission between species. We used an extensive sampling strategy to investigate whether similar viruses occur in more than one fungal species of the same forest habitat. Mycelial samples were collected from in-growth mesh bags (N = 259), fruiting bodies (N = 173) and cultured isolates (N = 68) at a forest site where the spatial distribution of viral infections in clonal individuals of the wood decay fungus H...
January 12, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28073802/assemblage-composition-of-fungal-wood-decay-species-has-major-influence-on-how-climate-and-wood-quality-modify-decomposition
#18
Parvathy Venugopal, Kaisa Junninen, Mattias Edman, Jari Kouki
The interactions among saprotrophic fungal species, as well as their interactions with environmental factors, may have a major influence on wood decay and carbon release in ecosystems. We studied the effects that decomposer diversity (species richness and assemblage composition) have on wood decomposition when the climatic variables and substrate quality vary simultaneously. We used two temperature (16 and 21(°)C) and two humidity (70% and 90%) levels at two wood qualities (wood from managed and old-growth forests) of Pinus sylvestris In a nine-month experiment, the effects of fungal diversity were tested using four wood-decaying fungi (Antrodia xantha, Dichomitus squalens, Fomitopsis pinicola and Gloeophyllum protractum) at assemblage levels one, two and four species...
January 10, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28011599/long-term-effects-of-aided-phytostabilisation-on-microbial-communities-of-metal-contaminated-mine-soil
#19
Olatz Garaiyurrebaso, Carlos Garbisu, Fernando Blanco, Anders Lanzén, Iker Martín, Lur Epelde, José M Becerril, Sven Jechalke, Kornelia Smalla, Elisabeth Grohmann, Itziar Alkorta
Aided phytostabilisation uses metal-tolerant plants, together with organic or inorganic amendments, to reduce metal bioavailability in soil while improving soil quality. The long-term effects of the following organic amendments were examined as part of an aided phytostabilisation field study in an abandoned Pb/Zn mining area: cow slurry, sheep manure and paper mill sludge mixed with poultry manure. In the mining area, two heavily contaminated vegetated sites, showing different levels of soil metal contamination (LESS and MORE contaminated site), were selected for this study...
March 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27986826/the-contribution-of-genome-mining-strategies-to-the-understanding-of-active-principles-of-pgpr-strains
#20
Julia Paterson, Ghazaleh Jahanshah, Yan Li, Qi Wang, Samina Mehnaz, Harald Gross
Pathogenic microorganisms and insects affecting plant health are a major and chronic threat to food production and the ecosystem worldwide. As agricultural production has intensified over the years, the use of agrochemicals has in turn increased. However, this extensive usage has had several detrimental effects, with a pervasive environmental impact and the emergence of pathogen resistance. In addition, there is an increasing tendency among consumers to give preference to pesticide-free food products. Biological control, through the employment of plant growth-promoting rhizobacteria (PGPR), is therefore considered a possible route to the reduction, even the elimination, of the use of agrochemicals...
March 2017: FEMS Microbiology Ecology
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