IDENTIFICATION OF SSR MARKERS ASSOCIATED WITH RESISTANCE TO POTATO VIRUS Y IN TOBACCO GERMPLASM

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DARVISHZADEH REZA; HEIDARI AHMAD; HATAMI MALEKI HAMID

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Journal: GENETICS IN THE 3RD MILLENNIUM Year:2016 | Volume:14 | Issue:2 Page(s): 4262-4269

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Title

IDENTIFICATION OF SSR MARKERS ASSOCIATED WITH RESISTANCE TO POTATO VIRUS Y IN TOBACCO GERMPLASM

Author(s)

DARVISHZADEH REZA | HEIDARI AHMAD | HATAMI MALEKI HAMID | Issue Writer Certificate

Keywords

GENETIC ASSOCIATION STUDIES

LINKAGE DISEQUILIBRIUM

MICROSATELLITE MARKERS

POTYVIRUS

TOBACCO

Abstract

Potato Virus Y (PVY) is one of the most important pathogenic agents that reduce the yield and quality of TOBACCO (Nicotiana tabacum L.). DNA-based molecular markers are valuable tools for identifying germplasm in gene banks, assessing kinship ties, and doing marker-assisted selection (MAS) for resistance to pests, diseases, and some crop traits of interest. This work presents the results of association analysis for resistance to PVY with SSR markers. A total number of 66 alleles were detected using 26 SSR primer pairs on 90 oriental-type TOBACCO genotypes with an average of 2.54 alleles per locus. A model-based Bayesian approach was used to subdivide 90 TOBACCO genotypes into three subgroups. Approximately 5.85% of the 325 SSR locus pairs showed a significant level of LINKAGE DISEQUILIBRIUM (LD) (P<0.01). By using GLM procedure, 3 loci (PT30260, PT30046 and PT30061) from linkage groups 8a, 6, and 11 of the TOBACCO reference map were identified to associate with resistance to PVY in a 10% probability level (P ≤ 0.0615, 0.0839, and 0.072, respectively). SSR locus PT30260 (P≤ 0.077) was also detected with the mixed linear model (MLM) accounting for population structure and kinship relatedness (Q+K model). Linked-resistant SSR markers can be used as indicators of PVY resistance and interest in marker-assisted selection (MAS) in TOBACCO breeding programs.

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APA: Copy

DARVISHZADEH, REZA, HEIDARI, AHMAD, & HATAMI MALEKI, HAMID. (2016). IDENTIFICATION OF SSR MARKERS ASSOCIATED WITH RESISTANCE TO POTATO VIRUS Y IN TOBACCO GERMPLASM. GENETICS IN THE 3RD MILLENNIUM, 14(2), 4262-4269. SID. https://sid.ir/paper/683892/en

Vancouver: Copy

DARVISHZADEH REZA, HEIDARI AHMAD, HATAMI MALEKI HAMID. IDENTIFICATION OF SSR MARKERS ASSOCIATED WITH RESISTANCE TO POTATO VIRUS Y IN TOBACCO GERMPLASM. GENETICS IN THE 3RD MILLENNIUM[Internet]. 2016;14(2):4262-4269. Available from: https://sid.ir/paper/683892/en

IEEE: Copy

REZA DARVISHZADEH, AHMAD HEIDARI, and HAMID HATAMI MALEKI, “IDENTIFICATION OF SSR MARKERS ASSOCIATED WITH RESISTANCE TO POTATO VIRUS Y IN TOBACCO GERMPLASM,” GENETICS IN THE 3RD MILLENNIUM, vol. 14, no. 2, pp. 4262–4269, 2016, [Online]. Available: https://sid.ir/paper/683892/en

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