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Exploring and exploiting genetics and genomicsfor sweetpotato improvement: Status andperspectives

Plant Communications 2022年第5期3卷 38-62页

作者： Mengxiao Yan Haozhen Nie Yunze Wang Xinyi Wang Robert Jarret Jiamin Zhao Hongxia Wang Jun Yang Shanghai Key Laboratory of Plant Functional Genomics and Resources Shanghai Chenshan Botanical GardenShanghai 201602China College of Life Sciences Shanghai Normal UniversityShanghai 200234China USDA-ARS/PGRU GriffinGA 30223USA National Key Laboratory of Plant Molecular genetics CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200032China

Sweetpotato(Ipomoea batatas(L.)Lam.)is one of the most important root crops cultivated *** of its adaptability,high yield potential,and nutritional value,sweetpotato has become an important food crop,particularly in developing *** ensure adequate crop yields to meet increasing demand,it is essential to enhance the tolerance of sweetpotato to environmental stresses and other yield-limiting *** highly heterozygous hexaploid genome of *** complicates genetic studies and limits improvement of sweetpotato through traditional ***,application of next-generation sequencing and high-throughput genotyping and phenotyping technologies to sweetpotato genetics and genomics research has provided new tools and resources for crop *** this review,we discuss the genomics resources that are available for sweetpotato,including the current reference genome,databases,and available bioinformatics *** systematically review the current state of knowledge on the polyploid genetics of sweetpotato,including studies of its origin and germplasm diversity and the associated mapping of important agricultural *** then outline the conventional and molecular breeding approaches that have been applied to ***,we discuss future goals for genetic studies of sweetpotato and crop improvement via breeding in combination with state-of-the-art multi-omics approaches such as genomic selection and gene *** approaches will advance and accelerate genetic improvement of this important root crop and facilitate its sustainable global production.

关键词： sweetpotato polyploid genetics genomics breeding

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