Pan-Genomics in Fruit Crops: Current Progress, Challenges and Future Directions


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Authors

  • Anupama Roy The Graduate School, ICAR-Indian Agricultural Research Institute, New Delhi
  • Sarika ICAR-Indian Agricultural Statistics Research Institute, New Delhi
  • Mir Asif Iquebal ICAR-Indian Agricultural Statistics Research Institute, New Delhi

https://doi.org/10.56093/JISAS.V80I1.16

Keywords:

Pan-genomics; Tropical and subtropical fruit crops; Structural variation; Presence–absence variation (PAV); Graph-based genomes; Crop wild relatives; Molecular breeding; Genomic diversity; Long-read sequencing; Climate-resilient horticulture.

Abstract

Pan-genomics captures the full spectrum of genetic diversity within plant species and overcomes the limitations of single reference genomes. By 
integrating core, dispensable, and unique genomic components, pan-genomic approaches enable comprehensive detection of structural variants, 
presence–absence variations, and lineage-specific genes that underpin phenotypic diversity, domestication, and environmental adaptation. In plant and 
horticultural crops, particularly tropical and subtropical fruit species characterized by high heterozygosity, polyploidy, and clonal propagation, pan
genomics has revealed extensive hidden variation influencing fruit quality, disease resistance, and stress tolerance that was previously inaccessible 
using traditional genomics.
This review synthesizes the concepts, methodological advances, computational tools, and recent progress in plant pan-genomics, with a focused 
emphasis on tropical and subtropical fruit crops. We discuss pan-genome construction strategies, graph-based representations, and emerging 
resources, alongside key applications in trait discovery, evolutionary analysis, and molecular breeding. Current challenges, including limited accession 
diversity, incomplete functional annotation, and computational complexity, are critically examined. Finally, we highlight future directions toward 
population-scale, graph-based, and multi-omics–integrated pan-genomes, underscoring their potential to accelerate precision breeding and support 
the development of climate-resilient, high-quality fruit crop varieties.

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2026-07-30

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2026-07-30

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How to Cite

Anupama Roy, Sarika, & Mir Asif Iquebal. (2026). Pan-Genomics in Fruit Crops: Current Progress, Challenges and Future Directions. Journal of the Indian Society of Agricultural Statistics, 80(01), 175-186. https://doi.org/10.56093/JISAS.V80I1.16
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