Special Issue "Genomics for Plant Breeding"
Deadline for manuscript submissions: 30 September 2019
In the past decades, methods for plant breeding have been largely and successfully exploited in developing improved varieties using conventional tools and methodologies. Nowadays, the availability of genomic tools and resources is leading to a new revolution in plant breeding, as they facilitate the study of the genotype and its relationship with the phenotype, not only for Mendelian traits but also for complex traits. Next generation sequencing (NGS) technologies allow the quick and cheap sequencing of genomes and transcriptomes, making available a huge array of genetic information. The analysis of NGS data by means of bioinformatics allows the discovery of new genes and regulatory sequences, and makes available large collections of molecular markers useful for marker-assisted selection (MAS). Genome-wide expression studies provide breeders with an understanding of the molecular basis of complex traits. Genomic approaches such as GWAS and GBS make it possible to screen mutant and germplasm collections for allelic variants in target genes. The re-sequencing of genomes is very useful for the genome-wide discovery of markers amenable for high-throughput genotyping platforms, like SSRs and SNPs, or the construction of high-density genetic maps. All these tools and resources facilitate the study of genetic diversity, which is important for germplasm management, enhancement and use. Also, they allow the identification of markers linked to genes and QTLs by means of conventional genetic mapping or association mapping. These new markers are used for marker-assisted breeding (MAB), including marker-assisted backcross selection, breeding-by-design, or new strategies, like genomic selection (GS). In conclusion, advances in genomics are providing breeders with new tools and methodologies that will allow a great leap forward in plant breeding, including genetic dissection and breeding for complex traits. The present topic is aimed at grouping all studies and contributions that make use of conventional or NGS-based genomic tools for plant breeding.
Prof. Dr. Gianni Barcaccia
Dr. Alessandro Vannozzi
Manuscript Submission Information
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