Publications by authors named "Jill M Bushakra"

U.S. black raspberry (BR) production is currently limited by narrowly adapted, elite germplasm.

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(Rosaceae) comprises more than 500 species with additional commercially cultivated raspberries and blackberries. The most recent (> 100 years old) global taxonomic treatment of the genus defined 12 subgenera; two subgenera were subsequently described and some species were rearranged. Intra- and interspecific ploidy levels and hybridization make phylogenetic estimation of challenging.

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Article Synopsis
  • The study addresses the challenges posed by fragmented draft plant genomes, emphasizing the need for improved assemblies for better gene discovery and breeding applications.
  • Researchers presented a high-quality chromosome-scale assembly of the black raspberry genome, achieving significant improvements in contig length and correcting major misassemblies compared to previous versions.
  • The findings reveal new sequences, including numerous protein-coding genes and expanded tandem gene arrays related to important traits like disease resistance, providing a valuable reference for future genomic studies and breeding efforts in related plant species.
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Black raspberry ( L.) is a niche fruit crop valued for its flavor and potential health benefits. The improvement of fruit and cane characteristics via molecular breeding technologies has been hindered by the lack of a high-quality reference genome.

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Black raspberry (Rubus occidentalis) is an important specialty fruit crop in the US Pacific Northwest that can hybridize with the globally commercialized red raspberry (R. idaeus). Here we report a 243 Mb draft genome of black raspberry that will serve as a useful reference for the Rosaceae and Rubus fruit crops (raspberry, blackberry, and their hybrids).

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Background: Due to a relatively high level of codominant inheritance and transferability within and among taxonomic groups, simple sequence repeat (SSR) markers are important elements in comparative mapping and delineation of genomic regions associated with traits of economic importance. Expressed sequence tags (ESTs) are a source of SSRs that can be used to develop markers to facilitate plant breeding and for more basic research across genera and higher plant orders.

Methods: Leaf and meristem tissue from 'Heritage' red raspberry (Rubus idaeus) and 'Bristol' black raspberry (R.

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We have constructed a densely populated, saturated genetic linkage map of black raspberry and successfully placed a locus for aphid resistance. Black raspberry (Rubus occidentalis L.) is a high-value crop in the Pacific Northwest of North America with an international marketplace.

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