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  1. Article

    Open Access

    Defining the mutation sites in chickpea nodulation mutants PM233 and PM405

    Like most legumes, chickpeas form specialized organs called root nodules. These nodules allow for a symbiotic relationship with rhizobium bacteria. The rhizobia provide fixed atmospheric nitrogen to the plant in ...

    Daniel C. Frailey, Qian Zhang, David J. Wood, Thomas M. Davis in BMC Plant Biology (2022)

  2. Article

    Open Access

    Develo** Chenopodium ficifolium as a potential B genome diploid model system for genetic characterization and improvement of allotetraploid quinoa (Chenopodium quinoa)

    Quinoa (Chenopodium quinoa) is a high-value grain known for its excellent nutritional balance. It is an allotetraploid species (AABB, 2n = 4x = 36) formed by the hybridization between AA and BB genome diploid (2n...

    Madhav Subedi, Erin Neff, Thomas M. Davis in BMC Plant Biology (2021)

  3. Article

    Open Access

    XTHs from Fragaria vesca: genomic structure and transcriptomic analysis in ripening fruit and other tissues

    Fragaria vesca or ‘woodland strawberry’ has emerged as an attractive model for the study of ripening of non-climacteric fruit. It has several advantages, such as its small genome and i...

    María Cecilia Opazo, Rodrigo Lizana, Yazmina Stappung, Thomas M. Davis in BMC Genomics (2017)

  4. No Access

    Article

    Genotype by environment interactions and combining ability for strawberry families grown in diverse environments

    Ten seedlings from 36 crosses representing eastern and western North American short day and remontant genotypes were evaluated in 2011 and 2012 in California, Michigan, New Hampshire and Oregon, for phenology,...

    Megan M. Mathey, Sonali Mookerjee, Lise L. Mahoney, Kazim Gündüz in Euphytica (2017)

  5. Article

    Open Access

    Development and preliminary evaluation of a 90 K Axiom® SNP array for the allo-octoploid cultivated strawberry Fragaria × ananassa

    A high-throughput genoty** platform is needed to enable marker-assisted breeding in the allo-octoploid cultivated strawberry Fragaria × ananassa. Short-read sequences from one diploid and 19 octoploid accession...

    Nahla V Bassil, Thomas M Davis, Hailong Zhang, Stephen Ficklin in BMC Genomics (2015)

  6. Article

    Open Access

    Somatic embryogenesis, tetraploidy, and variant leaf morphology in transgenic diploid strawberry (Fragaria vesca subspecies vesca ‘Hawaii 4’)

    The diploid (2n = 2x = 14) strawberry model plant Fragaria vesca ssp. vesca ‘Hawaii 4’ was employed for functional analysis of expressed DNA sequences initially identified as being unique to Fragaria and of unkno...

    Qian Zhang, Kevin M Folta, Thomas M Davis in BMC Plant Biology (2014)

  7. No Access

    Article

    Genetic diversity of diploid Japanese strawberry species based on microsatellite markers

    The United States Department of Agriculture (USDA)—Agricultural Research Service (ARS)—National Clonal Germplasm Repository (NCGR) in Corvallis, Oregon, is a genebank that preserves strawberry genetic resource...

    Wambui Njuguna, Kim E. Hummer in Genetic Resources and Crop Evolution (2011)

  8. Article

    Open Access

    Conservation and loss of ribosomal RNA gene sites in diploid and polyploid Fragaria (Rosaceae)

    The genus Fragaria comprises species at ploidy levels ranging from diploid (2n = 2x = 14) to decaploid (2n = 10x = 70). Fluorescence in situ hybridization with 5S and 25S rDNA probes was performed to gather cytog...

    Bo Liu, Thomas M Davis in BMC Plant Biology (2011)

  9. Article

    Open Access

    The genome of woodland strawberry (Fragaria vesca)

    The International Strawberry Sequencing Consortium reports the draft genome of the woodland strawberry (Fragaria vesca). The genome of this diploid species should serve as a reference genome for the Fragaria genu...

    Vladimir Shulaev, Daniel J Sargent, Ross N Crowhurst, Todd C Mockler in Nature Genetics (2011)

  10. Article

    Open Access

    An examination of targeted gene neighborhoods in strawberry

    Strawberry (Fragaria spp.) is the familiar name of a group of economically important crop plants and wild relatives that also represent an emerging system for the study of gene and genome evolution. Its small sta...

    Thomas M Davis, Melanie E Shields, Qian Zhang, Denise Tombolato-Terzić in BMC Plant Biology (2010)

  11. Article

    Open Access

    An enhanced method for sequence walking and paralog mining: TOPO® Vector-Ligation PCR

    Although technological advances allow for the economical acquisition of whole genome sequences, many organisms' genomes remain unsequenced, and fully sequenced genomes may contain gaps. Researchers reliant upo...

    Benjamin B Orcheski, Thomas M Davis in BMC Research Notes (2010)

  12. No Access

    Chapter

    Strawberry (Fragaria spp.) Structural Genomics

    The genus Fragaria has a basic chromosome number of seven (x=7) (Ichijima, 1926), and four main fertility groups are recognized: the diploids (2n=2x=14) which include the model species for the genus, F. vesca, (O...

    Daniel J. Sargent, Thomas M. Davis, David W. Simpson in Genetics and Genomics of Rosaceae (2009)

  13. No Access

    Chapter

    Air Force Research Laboratory Cryocooler Technology Development

    This paper presents an overview of the cryogenic refrigerator and cryogenic integration programs in development and characterization under the Cryogenic Technology Group, Space Vehicles Directorate of the Air ...

    Thomas M. Davis, John Reilly, First Lt. B. J. Tomlinson in Cryocoolers 10 (2002)

  14. No Access

    Article

    Zeatin-induced shoot regeneration from immature chickpea (Cicer arietinum L.) cotyledons

    For the purpose of develo** an in vitro regeneration system for chickpea (Cicer arietinum L.), an important food legume, immature cotyledons approximately 5 mm long were excised from develo** embryos and cult...

    P. V. Shri, Thomas M. Davis in Plant Cell, Tissue and Organ Culture (1992)

  15. No Access

    Article

    Linkage relationships of genes for leaf morphology, flower color, and root nodulation in chickpea

    The allelic and linkage relationships among five chickpea (Cicer arietinum L.) morphological markers were investigated. When crossed with purple-flowered line ICC 640 and with each other, white flowered variety ‘...

    Thomas M. Davis in Euphytica (1991)