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Date ReadAuthorsPublishedTitleJournalLinkNotes
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1/2/2017Charlop-Powers Z et al.2016
Urban park soil microbiomes are a rich reservoir of natural product biosynthetic diversity
PNAShttp://www.pnas.org/content/113/51/14811.abstract
NYC parks harbor a large diversity of natural product NRP and PK biosynthetic gene clusters. Important natural products originally isolated from disparate sites spanning the globe are represented in urban soils from a single city.
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1/3/2017Jones SE et al.2017Streptomyces exploration is triggered by fungal interactions and volatile signalseLifehttps://elifesciences.org/content/6/e21738#fig2s1
In the presence of yeasts, some Streptomyces species differentiate from cononical static mycelia into highly motile explorer cells. This is triggered by low glucose conditions and high pH conditions. Explorer cells emit an alkaline VOC that raises media pH, and this signal can trigger physically distant Streptomyces cells to begin exploring.
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1/4/2017Tyc et al.2016
The ecological role of volatile and soluble secondary metabolites produced by soil bacteria
Trends in Microbiol
http://www.cell.com/trends/microbiology/fulltext/S0966-842X(16)30195-0
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1/4/2017Kaltenpoth et al.2016
Linking metabolite production to taxonomic identity in environmental samples by (MA)LDI-FISH
ISME J
http://www.nature.com/ismej/journal/v10/n2/full/ismej2015122a.html
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1/5/2017D’Souza and Kost.2016Experimental evolution of metabolic dependency in bacteriaPLoS Genet
http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1006364
When amino acids are available, auxotrophs emerge under strong positive selection. Auxotrophs also evolve in the absence of amino acids at lower rates. Negative frequency dependent-selection supports the stable coexistence of auxo- and proto- trophs.
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1/6/2017Smith et al.2016Cell morphology drives spatial patterning in microbial communitiesPNAShttp://www.pnas.org/content/early/2016/12/29/1613007114.full.pdf
Cell morphology can drive spatial structure and influence the fitness landscape in mixed biofilm cultures.
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1/9/2017Shapiro BJ et al.2016Origins of pandemic Vibrio cholerae from environmental gene poolsNat Microbiol
http://www.nature.com/articles/nmicrobiol2016240?WT.feed_name=subjects_bacteria
Virulence adaptive polymorphisms (VAPs) recombine in environmental V. cholerae gene pools, certain VAP combinations are enriched, and subsequent acquisition of virulence genes in these pre-adapted genomic background supports a transition to pathogenic phenotypes.
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1/10/2017Locey KJ et al.2016Microscale insight into microbial seed banksFront Microbiolhttp://journal.frontiersin.org/article/10.3389/fmicb.2016.02040/full
Microbial seed banks can form in nutrient rich habitats, and these dynamics are influenced by microscale dispersal dynamics and spatial and resource complexity.
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1/11/2017
Zaremba-Niedzwiedzka K et al.
2017Asgard archaea illuminate the origin of eukaryotic cellular complexityNature
http://www.nature.com/nature/journal/vaop/ncurrent/pdf/nature21031.pdf
Assembled genomes from the Norse god phyla (within the Asgard archaea superphylum) associate phylogenetically with eukaryotes and also encode many eukaryotic cell features, suggesting that the last common ancestor of archaea and eukaryotes possessed greater cellular complexity than previously thought.
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1/20/2017McFall-Ngai M, et al.2013Animals in a bacterial world, a new imperative for the life sciencesPNAS
https://dash.harvard.edu/bitstream/handle/1/12336337/20562189.pdf?sequence=1
Microbes and animals have evolved intimate relationships that dictate biological system functioning and ecosystem processes.
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1/24/2017Erez et al.2017Communication between viruses guides lysis–lysogeny decisionsNature
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature21049.html
Bacillus phage use phage-specific small peptides to communicate to subsequent progeny about lytic or lysogenic decisions; after each infection round, AimP accumulates and eventually triggers lysogeny.
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1/24/2017Chewapreecha C et al.2017Global and regional dissemination and evolution of Burkholderia pseudomalleiNat Microbiolhttp://www.nature.com/articles/nmicrobiol2016263
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1/17/2017Behie SW et al.2017Molecules to Ecosystems: Actinomycetes Natural Products In situFront Microbiolhttp://journal.frontiersin.org/article/10.3389/fmicb.2016.02149/full
Actinomycetes product a vast array natural products of important consequence from the host to the ecosystem level. In situ ecology of NPs will aid in discovery and production of novel NP for human use.
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1/17/2017Soppa J.2017Polyploidy and community structureNature Microbiolhttp://www.nature.com/articles/nmicrobiol2016261
Compositional analysis of microbial communities are sensitive to 16S rRNA copy number, which differs across taxa and also within a species under differing growth conditions.
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1/23/2017Popa O et al.2017
Phylogenomic networks reveal limited phylogenetic range of lateral gene transfer by transduction
ISME J
http://www.nature.com/ismej/journal/v11/n2/full/ismej2016116a.html
Gene exchange mediated by phages has important evolutionary consequences, but transduction is limited by genetic similarity as opposed to ecological co-occurrence. A substantial number of transduction event are duplications, or autology.
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1/24/2017Larkin and Martiny.2017Microdiversity shapes the traits, niche space, and biogeography of microbial taxaEnviron Microbiol Rep
http://onlinelibrary.wiley.com/doi/10.1111/1758-2229.12523/abstract
Microdiversity shapes the fundamental niche space and biogeography of microbial taxa; this diversity is generated through the Renaissance model (gaining new traits usually through HGT) or the Maestro model (improving a single trait usually through mutation).
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2/3/2017Swenson et al.2017Linking soil biology and chemistry using bacterial isolate exomotabolite profilesbioRxivhttp://biorxiv.org/content/early/2017/02/17/109330
Metabolite and microbe abundance in biocrusts after a wetting event show a i) negative relationship for consumed metabolites and ii) positive relationship for produced metabolites. Metabolite profiles correspond to microbial community structure.
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2/3/2017Chung et al.2017
Global and local selection acting on the pathogen Stenotrophomonas maltophilia in the human lung
Nat Commun
http://www.nature.com/articles/ncomms14078?WT.feed_name=subjects_biological-techniques
Both global and local selection drives diversification of co-existing lineages of a lung pathogen.
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2/15/2017Joung and Buie2017Bioaerosol generation by raindrops on soilNat Communhttp://www.nature.com/articles/ncomms14668
Soil microbes can be transfered into the atomosphere and dispersed across spatial scales through raindrop mediated aerosolization. The number of bacteria trasnferred through aerosols depends on soil type, surface temperature, bacterial surface density, and raindrop velocity.
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3/30/2017Friedman et al.2017Community structure follows simple assembly rules in microbial microcosmsNat Ecol Evolhttp://www.nature.com/articles/s41559-017-0109
Community structure, comprised of three microbial species, is accurately prediced by pair-wise outcomes of competition assays.
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4/5/2017Wright and Vestigian2016Inhibitory interactions promote frequent bistability among competing bacteriaNat Communhttp://www.nature.com/articles/ncomms11274
Pairwise competition between Streptomyces isolates results in bistability networks where the most abdunant strain often evade invasion through production of inhibitory compounds.
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4/11/2017McInerney et al.2017Why prokaryotes have pangenomesNat Microbiolhttp://www.nature.com/articles/nmicrobiol201740
Pangenomes are the consequence of adaptive HGT in populations with large, sustained Ne and the opportunity to migrate into novel niche spaces.
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4/11/2017Simonsen et al.2017Symbiosis limits establishment of legumes outside their native range at a global scaleNat Communhttp://www.nature.com/articles/ncomms14790
Symbiotic legumes (i.e. legumes that rely on nitrogen-fixing soil rhizobia) are less likely to disperse and colonize non-native ranges than non-symbiotic legumes, suggesting that biogeography of rhizobia influence the global distribution of plants.
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