Resistance to biotic and abiotic stress in potato: the origin of the genes and corresponding molecular markers

Islam, Saiful; Li, Jiana; Rahman, Mohammad Ataur; Xie, Fangru; Song, Botao; Nie, Bihua

doi:10.1186/s42483-023-00222-9

Cited by 5 publications

(2 citation statements)

References 125 publications

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“…In recent years, molecular markers have been used in the agronomic sciences as powerful tools for analysing genetic variation, as they efficiently link phenotypic and genotypic variation [ 56 ]. In potato, molecular markers are used in studies on cultivar identification [ 57 ], genotype characterization and genetic diversity [ 58 , 59 ], resistance to biotic and abiotic stress [ 60 ], pathogen resistance [ 61 , 62 ], and trait mapping [ 63 ]. This technique has significantly accelerated the breeding process [ 56 ], because it allows for the identification of resistant plants at an early stage, enabling faster and more targeted breeding programs [ 64 ].…”

Section: Genetic Methodologies For Breeding Resistance To P...mentioning

confidence: 99%

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Modern Breeding Strategies and Tools for Durable Late Blight Resistance in Potato

Berindean,

Taoutaou,

Rida

et al. 2024

Plants

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Cultivated potato (Solanum tuberosum) is a major crop worldwide. It occupies the second place after cereals (corn, rice, and wheat). This important crop is threatened by the Oomycete Phytophthora infestans, the agent of late blight disease. This pathogen was first encountered during the Irish famine during the 1840s and is a reemerging threat to potatoes. It is mainly controlled chemically by using fungicides, but due to health and environmental concerns, the best alternative is resistance. When there is no disease, no treatment is required. In this study, we present a summary of the ongoing efforts concerning resistance breeding of potato against this devastating pathogen, P. infestans. This work begins with the search for and selection of resistance genes, whether they are from within or from outside the species. The genetic methods developed to date for gene mining, such as effectoromics and GWAS, provide researchers with the ability to identify genes of interest more efficiently. Once identified, these genes are cloned using molecular markers (MAS or QRL) and can then be introduced into different cultivars using somatic hybridization or recombinant DNA technology. More innovative technologies have been developed lately, such as gene editing using the CRISPR system or gene silencing, by exploiting iRNA strategies that have emerged as promising tools for managing Phytophthora infestans, which can be employed. Also, gene pyramiding or gene stacking, which involves the accumulation of two or more R genes on the same individual plant, is an innovative method that has yielded many promising results. All these advances related to the development of molecular techniques for obtaining new potato cultivars resistant to P. infestans can contribute not only to reducing losses in agriculture but especially to ensuring food security and safety.

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Section: Genetic Methodologies For Breeding Resistance To P...mentioning

confidence: 99%

“…Alternatively, biotechnological tools like somatic hybridization and DNA recombinant technologies can also be employed. Both approaches can significantly benefit from marker-assisted selection [ 60 , 165 ].…”

Section: Genetic Methodologies For Breeding Resistance To P...mentioning

confidence: 99%

Modern Breeding Strategies and Tools for Durable Late Blight Resistance in Potato

Berindean,

Taoutaou,

Rida

et al. 2024

Plants

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Potato stress resilience: Unraveling the role of signalling molecules and phytohormones

Mir,

John,

Rahayu

et al. 2024

Plant Gene

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Exploring potato diversity: A comprehensive genetic and phenotypic analysis of quantitative and qualitative traits

Samiha,

Rahman,

Islam

et al. 2024

CZECH J GENET PLANT

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For sustainable breeding in potato, a better understanding of genetic diversity within germplasm banks for sustainable breeding is needed. This study comprehensively characterised the molecular and phenotypic traits of 62 potato accessions, including advanced clones and indigenous potato varieties from Advanced Chemical Industries Limited (ACI Ltd.), Bangladesh, and 8 varieties from the Bangladesh Agricultural Research Institute (BARI). By using 9 SSR markers and 13 morphological traits, including both quantitative and qualitative traits, we observed correlation coefficients ranging from -0.3 to 0.7 for 8 quantitative traits, and Pearson's chi-square (χ 2 value) ranging from 24.3 to 135.4 for 5 qualitative characteristics. Molecular analyses identified 46 unique alleles, with 93.5% polymorphism. The markers STM0031 and STM1016 had the highest PIC value of 0.9. Genetic parameters for SSR markers included effective number of alleles per locus (Ne) = 5.6, unbiased expected heterozygosity (uh) = 0.8, diversity (h) = 0.8 and Shannon's information index (I) = 1.8. Jaccard's similarity coefficients ranged from 0.2 to 0.8, representing significant diversity. Cluster analysis, using unweighted pair-group method with arithmetic average (UPGMA), grouped the accessions into five clusters based on SSR profiles. An association was foud between the marker STM0031 and two traits: the number of tubers per hill and the content of reducing sugars in the tubers. This study provides information on genetic diversity and marker efficacy. It will guide future breeding programmes towards the development of high-yielding and industrially valuable potato varieties.

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Resistance to biotic and abiotic stress in potato: the origin of the genes and corresponding molecular markers

Cited by 5 publications

References 125 publications

Modern Breeding Strategies and Tools for Durable Late Blight Resistance in Potato

Modern Breeding Strategies and Tools for Durable Late Blight Resistance in Potato

Potato stress resilience: Unraveling the role of signalling molecules and phytohormones

Exploring potato diversity: A comprehensive genetic and phenotypic analysis of quantitative and qualitative traits

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