Advances in Rosaceae Fruit Genomics and Breeding
A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".
Deadline for manuscript submissions: 31 December 2024 | Viewed by 3958
Special Issue Editor
Interests: fruit trees; Prunus; fruit quality; postharvest; sensory quality; genomics; transcriptomics; epigenetics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The Rosaceae family encompasses a wide range of plant species utilized for both agronomic and ornamental purposes, hosting significant genetic variability. Traditional genetic breeding in fruit species has historically aimed to harness this genetic diversity to address complex challenges associated with biotic and abiotic stresses, agronomic management, and evolving consumer preferences, particularly concerning sensory and fruit quality traits.
Notably, recent decades have witnessed remarkable molecular advances that underpin these genetic breeding initiatives, yielding valuable molecular markers useful for molecular-assisted selection (MAS) at the nursery level. These advancements can largely be attributed to the rapid evolution of sequencing platforms, facilitating the comprehensive sequencing of numerous plant species and fostering deeper genomic and transcriptomic studies.
The latest sequencing technologies have successfully facilitated the implementation of genotyping by sequencing, enabling the identification of thousands of single-nucleotide polymorphisms (SNPs) within sibling populations or diverse collections of varieties. This wealth of information contributes to the development of high-density genetic maps, essential for the identification of Mendelian trait loci (MTLs) or quantitative trait loci (QTLs), as well as marker-trait associations through linear or mixed models. Moreover, the data derived from these sequencing platforms, encompassing newly available plant genomes, have significantly streamlined transcriptomic studies, facilitating targeted investigations into gene expression patterns in various plant tissues or in response to specific treatments. However, this approach has primarily been effective for Mendelian traits, given the codominant inheritance of polygenic-related traits mainly associated with fruit quality.
Consequently, there is a need to adopt new strategies, such as the selection of the best genitors for the generation of new segregating populations to provide new genotypes with desired traits. To achieve this, the implementation of genomic selection is needed, utilizing meticulously designed and accurately phenotyped breeding populations to forecast the breeding values of the parent plants to facilitate the most suitable hybrid crosses specifically tailored to target traits of interest. Phenotyping and genotyping analyses are essential for conducting comprehensive genome-wide association studies (GWAS) and genomic selection (GS), integrating this knowledge with diverse genetic backgrounds in order to accelerate the efficiency of genetic breeding programs.
The aim of this Special Issue, dedicated to “Advances in Rosaceae Fruit Genomics and Breeding”, is to provide a comprehensive overview of the most recent advancements achieved through the diligent efforts of researchers. We cordially invite you to submit advanced contributions focusing on genomic studies, with the explicit aim of enhancing and fortifying genetic breeding programs.
Dr. Juan A. Salazar
Guest Editor
Manuscript Submission Information
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Keywords
- fruit species
- phenotyping
- genotyping
- genetics
- genomics
- transcriptomics
- QTL mapping
- GWAS
- genomic selection
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