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Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.)

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Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.). / Yong, Hui-Yee; Wang, Chunlei; Bancroft, Ian; Li, Feng; Wu, Xiaoming; Kitashiba, Hiroyasu; Nishio, Takeshi.

In: Planta, Vol. 242, No. 1, 07.2015, p. 313-326.

Research output: Contribution to journalArticle

Harvard

Yong, H-Y, Wang, C, Bancroft, I, Li, F, Wu, X, Kitashiba, H & Nishio, T 2015, 'Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.)', Planta, vol. 242, no. 1, pp. 313-326. https://doi.org/10.1007/s00425-015-2310-8

APA

Yong, H-Y., Wang, C., Bancroft, I., Li, F., Wu, X., Kitashiba, H., & Nishio, T. (2015). Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.). Planta, 242(1), 313-326. https://doi.org/10.1007/s00425-015-2310-8

Vancouver

Yong H-Y, Wang C, Bancroft I, Li F, Wu X, Kitashiba H et al. Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.). Planta. 2015 Jul;242(1):313-326. https://doi.org/10.1007/s00425-015-2310-8

Author

Yong, Hui-Yee ; Wang, Chunlei ; Bancroft, Ian ; Li, Feng ; Wu, Xiaoming ; Kitashiba, Hiroyasu ; Nishio, Takeshi. / Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.). In: Planta. 2015 ; Vol. 242, No. 1. pp. 313-326.

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@article{1bd9cf159ce243d6a0dbb240a34a7ed4,
title = "Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.)",
abstract = "MAIN CONCLUSION: By genome-wide association study, QTLs for salt tolerance in rapeseed were detected, and a TSN1 ortholog was identified as a candidate gene responsible for genetic variation in cultivars. Dissecting the genomic regions governing abiotic stress tolerance is necessary for marker-assisted breeding to produce elite breeding lines. In this study, a world-wide collection of rapeseed was evaluated for salt tolerance. These rapeseed accessions showed a large variation for salt tolerance index ranging from 0.311 to 0.999. Although no significant correlation between salt tolerance and Na(+) content was observed, there was a significant negative correlation between shoot biomass production under a control condition and salt tolerance. These rapeseed accessions were genotyped by DArTseq for a total of 51,109 genetic markers, which were aligned with 'pseudomolecules' representative of the genome of rapeseed to locate their hypothetical order for association mapping. A total of 62 QTLs for salt tolerance, shoot biomass, and ion-homeostasis-related traits were identified by association mapping using both the P and Q+K models. Candidate genes located within the QTL regions were also shortlisted. Sequence analysis showed many polymorphisms for BnaaTSN1. Three of them in the coding region resulting in a premature stop codon or frameshift were found in most of the sensitive lines. Loss-of-function mutations showed a significant association with salt tolerance in B. napus.",
author = "Hui-Yee Yong and Chunlei Wang and Ian Bancroft and Feng Li and Xiaoming Wu and Hiroyasu Kitashiba and Takeshi Nishio",
year = "2015",
month = jul,
doi = "10.1007/s00425-015-2310-8",
language = "English",
volume = "242",
pages = "313--326",
journal = "Planta",
issn = "0032-0935",
publisher = "Springer Verlag",
number = "1",

}

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TY - JOUR

T1 - Identification of a gene controlling variation in the salt tolerance of rapeseed (Brassica napus L.)

AU - Yong, Hui-Yee

AU - Wang, Chunlei

AU - Bancroft, Ian

AU - Li, Feng

AU - Wu, Xiaoming

AU - Kitashiba, Hiroyasu

AU - Nishio, Takeshi

PY - 2015/7

Y1 - 2015/7

N2 - MAIN CONCLUSION: By genome-wide association study, QTLs for salt tolerance in rapeseed were detected, and a TSN1 ortholog was identified as a candidate gene responsible for genetic variation in cultivars. Dissecting the genomic regions governing abiotic stress tolerance is necessary for marker-assisted breeding to produce elite breeding lines. In this study, a world-wide collection of rapeseed was evaluated for salt tolerance. These rapeseed accessions showed a large variation for salt tolerance index ranging from 0.311 to 0.999. Although no significant correlation between salt tolerance and Na(+) content was observed, there was a significant negative correlation between shoot biomass production under a control condition and salt tolerance. These rapeseed accessions were genotyped by DArTseq for a total of 51,109 genetic markers, which were aligned with 'pseudomolecules' representative of the genome of rapeseed to locate their hypothetical order for association mapping. A total of 62 QTLs for salt tolerance, shoot biomass, and ion-homeostasis-related traits were identified by association mapping using both the P and Q+K models. Candidate genes located within the QTL regions were also shortlisted. Sequence analysis showed many polymorphisms for BnaaTSN1. Three of them in the coding region resulting in a premature stop codon or frameshift were found in most of the sensitive lines. Loss-of-function mutations showed a significant association with salt tolerance in B. napus.

AB - MAIN CONCLUSION: By genome-wide association study, QTLs for salt tolerance in rapeseed were detected, and a TSN1 ortholog was identified as a candidate gene responsible for genetic variation in cultivars. Dissecting the genomic regions governing abiotic stress tolerance is necessary for marker-assisted breeding to produce elite breeding lines. In this study, a world-wide collection of rapeseed was evaluated for salt tolerance. These rapeseed accessions showed a large variation for salt tolerance index ranging from 0.311 to 0.999. Although no significant correlation between salt tolerance and Na(+) content was observed, there was a significant negative correlation between shoot biomass production under a control condition and salt tolerance. These rapeseed accessions were genotyped by DArTseq for a total of 51,109 genetic markers, which were aligned with 'pseudomolecules' representative of the genome of rapeseed to locate their hypothetical order for association mapping. A total of 62 QTLs for salt tolerance, shoot biomass, and ion-homeostasis-related traits were identified by association mapping using both the P and Q+K models. Candidate genes located within the QTL regions were also shortlisted. Sequence analysis showed many polymorphisms for BnaaTSN1. Three of them in the coding region resulting in a premature stop codon or frameshift were found in most of the sensitive lines. Loss-of-function mutations showed a significant association with salt tolerance in B. napus.

U2 - 10.1007/s00425-015-2310-8

DO - 10.1007/s00425-015-2310-8

M3 - Article

C2 - 25921693

VL - 242

SP - 313

EP - 326

JO - Planta

JF - Planta

SN - 0032-0935

IS - 1

ER -