首页|Inference of the genetic basis of fruit texture in highbush blueberries using genome-wide association analyses

Inference of the genetic basis of fruit texture in highbush blueberries using genome-wide association analyses

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The global production and consumption of blueberry(Vaccinium spp.),a specialty crop known for its abundant bioactive and antioxidant compounds,has more than doubled over the last decade.To hold this momentum,plant breeders have begun to use quantitative genetics and molecular breeding to guide their decisions and select new cultivars that are improved for fruit quality.In this study,we leveraged our inferences on the genetic basis of fruit texture and chemical components by surveying large breeding populations from northern highbush blueberries(NHBs)and southern highbush blueberries(SHBs),the two dominant cultivated blueberries.After evaluating 1065 NHB genotypes planted at the Oregon State University,and 992 SHB genotypes maintained at the University of Florida for 17 texture-related traits,evaluated over multiple years,our contributions consist of the following:(i)we drew attention to differences between NHB and SHB materials and showed that both blueberry types can be differentiated using texture traits;(ii)we computed genetic parameters and shed light on the genetic architecture of important texture attributes,indicating that most traits had a complex nature with low to moderate heritability;(iii)using molecular breeding,we emphasized that prediction could be performed across populations;and finally(iv)the genomic association analyses pinpointed some genomic regions harboring potential candidate genes for texture that could be used for further validation studies.Altogether,the methods and approaches used here can guide future breeding efforts focused on maximizing texture improvements in blueberries.

Luis Felipe V.Ferrão、Camila Azevedo、Juliana Benevenuto、Molla Fentie Mengist、Claire Luby、Marti Pottorff、Gonzalo I.P.Casorzo、Ted Mackey、Mary Ann Lila、Lara Giongo、Nahla Bassil、Penelope Perkins-Veazie、Massimo Iorizzo、Patricio R.Munoz

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Blueberry Breeding and Genomics Lab,Horticultural Sciences Department,University of Florida,Gainesville,FL 32611,USA

Statistic Department,Federal University of Vicosa,Vicosa,Brazil

Plants for Human Health Institute,North Carolina State University,Kannapolis,NC USA

USDA-ARS,Horticulture Crops Research Unit,Corvallis,OR 97333,USA

Fondazione Edmund Mach-Research and Innovation Centre Italy

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2024

10.1093/hr/uhae233

园艺研究(英文)

园艺研究(英文)

CSTPCD
ISSN：
年,卷(期)：2024.11(10)