47 Works

Data from: Convergent losses of decay mechanisms and rapid turnover of symbiosis genes in mycorrhizal mutualists

Annegret Kohler, Alan Kuo, Laszlo G. Nagy, Emmanuelle Morin, Kerrie W. Barry, Francois Buscot, Bjorn Canback, Cindy Choi, Nicolas Cichocki, Alicia Clum, Jan Colpaert, Alex Copeland, Mauricio D. Costa, Jeanne Dore, Dimitrios Floudas, Gilles Gay, Mariangela Girlanda, Bernard Henrissat, Sylvie Herrmann, Jaqueline Hess, Nils Hogberg, Tomas Johansson, Hassine-Radhouane Khouja, Kurt LaButti, Urs Lahrmann … & Francis Martin
To elucidate the genetic bases of mycorrhizal lifestyle evolution, we sequenced new fungal genomes, including 13 ectomycorrhizal (ECM), orchid (ORM) and ericoid (ERM) species, and five saprotrophs, which we analyzed along with other fungal genomes. Ectomycorrhizal fungi have a reduced complement of genes encoding plant cell wall–degrading enzymes (PCWDEs), as compared to their ancestral wood decayers. Nevertheless, they have retained a unique array of PCWDEs, thus suggesting that they possess diverse abilities to decompose lignocellulose....

Data from: Evolution of novel wood decay mechanisms in Agaricales revealed by the genome sequences of Fistulina hepatica and Cylindrobasidium torrendii

Dimitrios Floudas, Benjamin W. Held, Robert Riley, Laszlo G. Nagy, Gage Koehler, Anthony S. Ransdell, Hina Younus, Julianna Chow, Jennifer Chiniquy, Anna Lipzen, Andrew Tritt, Hui Sun, Sajeet Haridas, Kurt LaButti, Robin A. Ohm, Ursula Kues, Robert A. Blanchette, Igor V. Grigoriev, Robert E. Minto & David S. Hibbett
Wood decay mechanisms in Agaricomycotina have been traditionally separated in two categories termed white and brown rot. Recently the accuracy of such a dichotomy has been questioned. Here, we present the genome sequences of the white rot fungus Cylindrobasidium torrendii and the brown rot fungus Fistulina hepatica both members of Agaricales, combining comparative genomics and wood decay experiments. Cylindrobasidium torrendii is closely related to the white-rot root pathogen Armillaria mellea, while F. hepatica is related...

Data from: Shared genomic regions between derivatives of a large segregating population of maize identified using bulked segregant analysis sequencing and traditional linkage analysis

Nicholas J. Haase, Timothy Beissinger, Candice N. Hirsch, Brieanne Vaillancourt, Shweta Deshpande, Kerrie Barry, C. Robin Buell, Shawn M. Kaeppler & Natalia De Leon
Delayed transition from the vegetative stage to the reproductive stage of development and increased plant height have been shown to increase biomass productivity in grasses. The goal of this project was to detect quantitative trait loci using extremes from a large synthetic population, as well as a related recombinant inbred line mapping population for these two traits. Ten thousand individuals from a B73 × Mo17 noninbred population intermated for 14 generations (IBM Syn14) were grown...

Data from: Extensive genetic diversity is present within North American switchgrass germplasm

Joseph Evans, Millicent D. Sanciangco, Kin H. Lau, Emily Crisovan, Kerrie Barry, Chris Daum, Hope Hundley, Jerry Jenkins, Megan Kennedy, Govindarajan Kunde-Ramamoorthy, Brieanne Vaillancourt, Ananta Acharya, Jeremy Schmutz, Malay Saha, Shawn M. Kaeppler, E. Charles Brummer, Michael D. Casler & C. Robin Buell
Switchgrass (Panicum virgatum L.) is a perennial native North American grass present in two ecotypes: upland, found primarily in the northern range of switchgrass habitats, and lowland, found largely in the southern reaches of switchgrass habitats. Previous studies focused on a diversity panel of primarily northern switchgrass, so to expand our knowledge of genetic diversity in a broader set of North American switchgrass, exome capture sequence data were generated for 632 additional, primarily lowland individuals....

Data from: Diel rewiring and positive selection of ancient plant proteins enabled evolution of CAM photosynthesis in Agave

Hengfu Yin, Hao-Bo Guo, David J. Weston, Anne M. Borland, Priya Ranjan, Paul E. Abraham, Sara S. Jawdy, James Wachira, Gerald A. Tuskan, Timothy J. Tschaplinski, Stan D. Wullschleger, Hong Guo, Robert L. Hettich, Stephen Gross, Zhong Wang, Axel Visel & Xiaohan Yang
Background: Crassulacean acid metabolism (CAM) enhances plant water-use efficiency through an inverse day/night pattern of stomatal closure/opening that facilitates nocturnal CO2 uptake. CAM has evolved independently in over 35 plant lineages, accounting for ~ 6% of all higher plants. Agave species are highly heat- and drought-tolerant, and have been domesticated as model CAM crops for beverage, fiber, and biofuel production in semi-arid and arid regions. However, the genomic basis of evolutionary innovation of CAM in...

Data from: Multiple maize reference genomes impact the identification of variants by GWAS in a diverse inbred panel

Joseph L. Gage, Brieanne Vaillancourt, John P. Hamilton, Norma C. Manrique-Carpintero, Timothy J. Gustafson, Kerrie Barry, Anna Lipzen, William F. Tracy, Mark A. Mikel, Shawn M. Kaeppler, C. Robin Buell & Natalia De Leon
Use of a single reference genome for genome-wide association studies (GWAS) limits the gene space represented to that of a single accession. This limitation can complicate identification and characterization of genes located within presence/absence variations (PAVs). In this study, we present the draft de novo genome assembly of PHJ89, an Oh43-type inbred line. Using three separate reference genome assemblies (B73, PH207, and PHJ89) that represent the predominant germplasm groups of maize, we generated three separate...

Tracking the ancestry of known and ‘ghost’ homeologous subgenomes in model grass Brachypodium polyploids

Rubén Sancho, Luis Ángel Inda, Antonio Díaz-Pérez, David L Des Marais, Sean Gordon, John Vogel, Joanna Lusinska, Robert Hasterok, Bruno Contreras-Moreira & Pilar Catalán
Unraveling the evolution of plant polyploids is a challenge when their diploid progenitor species are extinct or unknown or when genome sequences of known progenitors are unavailable. Existing subgenome identification methods cannot adequately infer the homeologous genomes that are present in the allopolyploids if they do not take into account the potential existence of unknown progenitors. We addressed this challenge in the widely distributed dysploid grass genus Brachypodium, which is a model genus for temperate...

Additional file 2 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 2: Supplemental Table S1. Impact of adding different concentrations of non-ionic detergents to the SIP gradient medium on percent DNA recovery (n=3).

Data from: GLO-Roots: an imaging platform enabling multidimensional characterization of soil-grown roots systems

Ruben Rellán-Álvarez, Guillaume Lobet, Heike Lindner, Pierre-Luc Pradier, Jose Sebastian, Muh-Ching Yee, Yu Geng, Charlotte Trontin, Therese LaRue, Amanda Schrager-Lavelle, Cara H. Haney, Rita Nieu, Julin Maloof, John P. Vogel & José R. Dinneny
Root systems develop different root types that individually sense cues from their local environment and integrate this information with systemic signals. This complex multi-dimensional amalgam of inputs enables continuous adjustment of root growth rates, direction and metabolic activity that define a dynamic physical network. Current methods for analyzing root biology balance physiological relevance with imaging capability. To bridge this divide, we developed an integrated imaging system called Growth and Luminescence Observatory for Roots (GLO-Roots) that...

Data from: The Aquilegia genome provides insight into adaptive radiation and reveals an extraordinarily polymorphic chromosome with a unique history

Danièle L. Filiault, Evangeline S. Ballerini, Terezie Mandakova, Gökçe Aköz, Nathan J. Derieg, Jeremy Schmutz, Jerry Jenkins, Jane Grimwood, Shengqiang Shu, Richard D. Hayes, Uffe Hellsten, Kerrie Barry, Juying Yan, Sirma Mihaltcheva, Miroslava Karafiatova, Viktoria Nizhynska, Elena M. Kramer, Martin A. Lysak, Scott A. Hodges & Magnus Nordborg
The columbine genus Aquilegia is a classic example of an adaptive radiation, involving a wide variety of pollinators and habitats. Here we present the genome assembly of A. coerulea 'Goldsmith', complemented by high-coverage sequencing data from 10 wild species covering the world-wide distribution. Our analyses reveal extensive allele sharing among species, and demonstrate that introgression and selection played a role in the Aquilegia radiation. We also present the remarkable discovery that the evolutionary history of...

Data from: Genome-wide association analysis of stalk biomass and anatomical traits in maize

Mona Mazaheri, Marlies Heckwolf, Brieanne Vaillancourt, Joseph L. Gage, Brett Burdo, Sven Heckwolf, Kerrie Barry, Anna Lipzen, Camila Bastos Ribeiro, Thomas J. Y. Kono, Heidi F. Kaeppler, Edgar P. Spalding, Candice N. Hirsch, C. Robin Buell, Natalia De Leon & Shawn M. Kaeppler
Background: Maize stover is an important source of crop residues and a promising sustainable energy source in the United States. Stalk is the main component of stover, representing about half of stover dry weight. Characterization of genetic determinants of stalk traits provide a foundation to optimize maize stover as a biofuel feedstock. We investigated maize natural genetic variation in genome-wide association studies (GWAS) to detect candidate genes associated with traits related to stalk biomass (stalk...

Additional file 3 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 3: Supplemental Table S2. Assembly metrics using single fraction assembly (metaspades) verses co-assembly of all fractions (MetaHipMer2).

Additional file 4 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 4: Supplemental Table S3. Assembly statistics, taxonomic lineage, and atom percent excess (APE) of the metagenome amplified genomes (MAGs) created in this study.

Additional file 6 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 6: Supplemental Table S5. Genomic abundance of MEROPS proteae gene per MAG. Columns indicate MEROPS protease families. APE = atom percent excess.

Additional file 7 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 7: Supplemental Table S6. CAZymes for the Myxococcota MAGs. Fen-1088 MAGs are highlighted in yellow. MAGs are sorted by increasing atom percent excess (APE) 13C.

Additional file 8 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 8: Supplemental Table S7. Number of CAZy gene homologs that can potentially target a particular substrate. Substrate assignments based off of the Glycoside Hydrolase categories from Berlemonte and Martiny 2015.

The crosstalk between microbial sensors ELMO1 and NOD2 shape intestinal immune responses

Aditi Sharma, Sajan Chandrangadhan Achi, Stella-Rita Ibeawuchi, Mahitha Shree Anandachar, Hobie Gementera, Uddeep Chaudhury, Fatima Usmani, Kevin Vega, Ibrahim M Sayed & Soumita Das
Microbial sensors play an essential role in maintaining cellular homeostasis. Our knowledge is limited on how microbial sensing helps in differential immune response and its link to inflammatory diseases. Recently we have confirmed that ELMO1 (Engulfment and Cell Motility Protein-1) present in cytosol is involved in pathogen sensing, engulfment and intestinal inflammation. Here, we show that ELMO1 interacts with another sensor, NOD2 (Nucleotide-binding oligomerization domain-containing protein 2), that recognizes bacterial cell wall component muramyl dipeptide...

Data from: Single-cell genomics reveals hundreds of coexisting subpopulations in wild Prochlorococcus

Nadav Kashtan, Sara E. Roggensack, Sébastien Rodrigue, Jessie W. Thompson, Steven J. Biller, Allison Coe, Huiming Ding, Pekka Marttinen, Rex R. Malmstrom, Roman Stocker, Michael J. Follows, Ramunas Stepanauskas & Sallie W. Chisholm
Extensive genomic diversity within coexisting members of a microbial species has been revealed through selected cultured isolates and metagenomic assemblies. Yet, the cell-by-cell genomic composition of wild uncultured populations of co-occurring cells is largely unknown. In this work, we applied large-scale single-cell genomics to study populations of the globally abundant marine cyanobacterium Prochlorococcus. We show that they are composed of hundreds of subpopulations with distinct “genomic backbones,” each backbone consisting of a different set of...

Data from: De novo transcriptome assembly of drought tolerant CAM plants, Agave deserti and Agave tequilana

Stephen M. Gross, Jeffrey A. Martin, June Simpson, María Jazmín Abraham-Juarez, Zhong Wang & Axel Visel
Background: Agaves are succulent monocotyledonous plants native to xeric environments of North America. Because of their adaptations to their environment, including crassulacean acid metabolism (CAM, a water-efficient form of photosynthesis), and existing technologies for ethanol production, agaves have gained attention both as potential lignocellulosic bioenergy feedstocks and models for exploring plant responses to abiotic stress. However, the lack of comprehensive Agave sequence datasets limits the scope of investigations into the molecular-genetic basis of Agave traits....

Data from: Viral dark matter and virus–host interactions resolved from publicly available microbial genomes

Simon Roux, Steven J. Hallam, Tanja Woyke & Matthew B. Sullivan
The ecological importance of viruses is now widely recognized, yet our limited knowledge of viral sequence space and virus-host interactions precludes accurate prediction of their roles and impacts. Here we mined publicly available bacterial and archaeal genomic datasets to identify 12,498 high‑confidence viral genomes linked to their microbial hosts. These data augment public datasets 10-fold, provide first viral sequences for 13 new bacterial phyla including ecologically abundant phyla, and help taxonomically identify 7-38% of 'unknown'...

Data from: Diversity and population structure of northern switchgrass as revealed through exome capture sequencing

Joseph Evans, Emily Crisovan, Kerrie Barry, Chris Daum, Jerry Jenkins, Govindarajan Kunde-Ramamoorthy, Aruna Nandety, Chew Yee Ngan, Brieanne Vaillancourt, Chia-Lin Wei, Jeremy Schmutz, Shawn M. Kaeppler, Michael D. Casler, Carol Robin Buell & Chia-Lin Wei
Switchgrass (Panicum virgatum L.) is a polyploid, perennial grass species that is native to North America, and is being developed as a future biofuels feedstock crop. Switchgrass is present primarily in two ecotypes: a northern upland ecotype composed of tetraploid and octoploid accessions, and a southern lowland ecotype composed of primarily tetraploid accessions. We employed high-coverage exome capture sequencing (~2.4 Tb) to genotype 537 individuals from 45 upland and 21 lowland populations. From these data,...

Data from: Host genotype and age shape the leaf and root microbiomes of a wild perennial plant

Maggie R. Wagner, Derek S. Lundberg, Tijana G. Del Rio, Susannah G. Tringe, Jeffery L. Dangl & Thomas Mitchell-Olds
Bacteria living on and in leaves and roots influence many aspects of plant health, so the extent of a plant’s genetic control over its microbiota is of great interest to crop breeders and evolutionary biologists. Laboratory-based studies, because they poorly simulate true environmental heterogeneity, may misestimate or totally miss the influence of certain host genes on the microbiome. Here we report a large-scale field experiment to disentangle the effects of genotype, environment, age and year...

Census and phenotype data supporting Drosophila adaptive tracking

Seth Rudman, Paul Schmidt, Subhash Rajpurohit, Sharon Greenblum & Dmitri Petrov
Direct observation of evolution in response to natural environmental change can resolve fundamental questions about adaptation including its pace, temporal dynamics, and underlying phenotypic and genomic architecture. We tracked evolution of fitness-associated phenotypes and allele frequencies genome-wide in ten replicate field populations of Drosophila melanogaster over ten generations from summer to late fall. Adaptation was evident over each sampling interval (1-4 generations) with exceptionally rapid phenotypic adaptation and large allele frequency shifts at many independent...

Identifying candidate structured RNAs in CRISPR operons

Brayon J. Fremin & Nikos C. Kyrpides
Noncoding RNAs with secondary structures play important roles in CRISPR-Cas systems. Many of these structures likely remain undiscovered. We used a large-scale comparative genomics approach to predict 156 novel candidate structured RNAs from 36,111 CRISPR-Cas systems. A number of these were found to overlap with coding genes, including palindromic candidates that overlapped with a variety of Cas genes in type I and III systems. Among these 156 candidates, we identified 46 new models of CRISPR...

Additional file 2 of HT-SIP: a semi-automated stable isotope probing pipeline identifies cross-kingdom interactions in the hyphosphere of arbuscular mycorrhizal fungi

Erin E. Nuccio, Steven J. Blazewicz, Marissa Lafler, Ashley N. Campbell, Anne Kakouridis, Jeffrey A. Kimbrel, Jessica Wollard, Dariia Vyshenska, Robert Riley, Andy Tomatsu, Rachel Hestrin, Rex R. Malmstrom, Mary Firestone & Jennifer Pett-Ridge
Additional file 2: Supplemental Table S1. Impact of adding different concentrations of non-ionic detergents to the SIP gradient medium on percent DNA recovery (n=3).

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Affiliations

  • Joint Genome Institute
    47
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