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Article
Open AccessDefining 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 ...
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Article
Open AccessDevelo** 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...
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Article
Open AccessXTHs 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...
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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,...
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Article
Open AccessDevelopment 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...
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Article
Open AccessSomatic 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...
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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...
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Article
Open AccessConservation 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...
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Article
Open AccessThe 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...
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Article
Open AccessAn 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...
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Article
Open AccessAn 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...
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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...
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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 ...
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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...
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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 ‘...