Dataset Information

Complete Genome Sequences of Seven Strains of Pseudomonas spp. Isolated from Boreal Forest Soil in Interior Alaska.

ABSTRACT: Here, we describe the complete genome assemblies of seven Pseudomonas sp. isolates collected from a boreal forest soil on the University of Alaska Fairbanks campus. Using the VolTRAX v2 multiplex library preparation for Nanopore sequencing and Illumina reads for polishing, we assembled complete genome sequences for each of the isolates.

SUBMITTER: Haan T

PROVIDER: S-EPMC7303412 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Publications

Complete Genome Sequences of Seven Strains of <i>Pseudomonas</i> spp. Isolated from Boreal Forest Soil in Interior Alaska.

Haan Tracie T Seitz Taylor J TJ Francisco Alexis A Glinter Kaytlin K Gloger Alexander A Kardash Anna A Matsui Nana N Reast Emily E Rosander Kaelen K Sonnek Carmen C Wellman Rebecca R Drown Devin M DM

Microbiology resource announcements 20200618 25

Here, we describe the complete genome assemblies of seven <i>Pseudomonas</i> sp. isolates collected from a boreal forest soil on the University of Alaska Fairbanks campus. Using the VolTRAX v2 multiplex library preparation for Nanopore sequencing and Illumina reads for polishing, we assembled complete genome sequences for each of the isolates. ...[more]

PMID: 32554792

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Project description:The role of common mycorrhizal networks (CMNs) in postfire boreal forest successional trajectories is unknown. We investigated this issue by sampling a 50-m by 40-m area of naturally regenerating black spruce (Picea mariana), trembling aspen (Populus tremuloides), and paper birch (Betula papyrifera) seedlings at various distances from alder (Alnus viridis subsp. crispa), a nitrogen-fixing shrub, 5 years after wildfire in an Alaskan interior boreal forest. Shoot biomasses and stem diameters of 4-year-old seedlings were recorded, and the fungal community associated with ectomycorrhizal (ECM) root tips from each seedling was profiled using molecular techniques. We found distinct assemblages of fungi associated with alder compared with those associated with the other tree species, making the formation of CMNs between them unlikely. However, among the spruce, aspen, and birch seedlings, there were many shared fungi (including members of the Pezoloma ericae [Hymenoscyphus ericae] species aggregate, Thelephora terrestris, and Russula spp.), raising the possibility that these regenerating seedlings may form interspecies CMNs. Distance between samples did not influence how similar ECM root tip-associated fungal communities were, and of the fungal groups identified, only one of them was more likely to be shared between seedlings that were closer together, suggesting that the majority of fungi surveyed did not have a clumped distribution across the small scale of this study. The presence of some fungal ribotypes was associated with larger or smaller seedlings, suggesting that these fungi may play a role in the promotion or inhibition of seedling growth. The fungal ribotypes associated with larger seedlings were different between spruce, aspen, and birch, suggesting differential impacts of some host-fungus combinations. One may speculate that wildfire-induced shifts in a given soil fungal community could result in variation in the growth response of different plant species after fire and a shift in regenerating vegetation.

Project description:BACKGROUND:Despite the ecological and agricultural significance of bumble bees in Alaska, very little is known and published about this important group at the regional level. The objectives of this study were to provide baseline data on species composition, distribution, seasonal biology, and parasites of the genus Bombus at three major agricultural locations within Alaska: Fairbanks, Delta Junction, and Palmer, to lay the groundwork for future research on bumble bee pollination in Alaska. NEW INFORMATION:A total of 8,250 bumble bees representing 18 species was collected from agricultural settings near Delta Junction, Fairbanks, and Palmer, Alaska in 2009 and 2010. Of the 8,250 specimens, 51% were queens, 32.7% were workers, and 16.2% were males. The species composition and relative abundances varied among sites and years. Delta Junction had the highest relative abundance of bumble bees, representing 51.6% of the specimens collected; the other two locations, Fairbanks and Palmer represented 26.5% and 21.8% of the overall catch respectively. The species collected were: BombusbohemicusSeidl 1837 (= B.ashtoni (Cresson 1864)), B.balteatusDahlbom 1832, B.bifariusCresson 1878, B.centralisCresson 1864, B.cryptarum (Fabricius 1775) (=B.moderatusCresson 1863), B.distinguendusMorawitz 1869, B.flavidusEversmann 1852 (=B.fernaldaeFranklin 1911), B.flavifronsCresson 1863, B.frigidusSmith 1854, B.insularis (Smith 1861), B.jonellus (Kirby 1802), B.melanopygusNylander 1848, B.mixtusCresson 1878, B.neoboreusSladen 1919, B.occidentalisGreene 1858, B.perplexusCresson 1863, B.rufocinctusCresson 1863, and B.sylvicolaKirby 1837. Overall, the most common bumble bees near agricultural lands were B.centralis, B.frigidus, B.jonellus, B.melanopygus, B.mixtus, and B.occidentalis. Species' relative population densities and local diversity were highly variable from year to year. Bombusoccidentalis, believed to be in decline in the Pacific Northwest states, represented 10.4% of the overall specimens collected from the three sites studied. Bumble bees were found to be infected by Nosema and nematodes with infection rates up to 2.1% and 16.7% respectively. Of the eight species infected by parasites, B.occidentalis displayed the highest Nosema infection, while B.centralis was the species with the highest infection of nematodes. To our knowledge this represents the first multi-year study on bumble bees from the main agricultural areas of Alaska to provide baseline data on species composition, distribution, seasonal biology, and parasites of the genus Bombus.

Dataset Information

Complete Genome Sequences of Seven Strains of Pseudomonas spp. Isolated from Boreal Forest Soil in Interior Alaska.

Publications

Complete Genome Sequences of Seven Strains of <i>Pseudomonas</i> spp. Isolated from Boreal Forest Soil in Interior Alaska.

Similar Datasets

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