The genetic basic and fine-mapping of a stable quantitative-trait loci for aluminium tolerance in rice

Y. Xue, L. Jiang, N. Su, J. K. Wang, P. Deng, Jian Feng Ma, H. Q. Zhai, J. M. Wan

Research output: Contribution to journalArticle

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Abstract

Aluminium (Al) toxicity is a primary cause of low rice productivity in acid soils. We have mapped a number of quantitative-trait loci (QTL) controlling Al tolerance in a recombinant inbred line population derived from a cross between the tolerant japonica cultivar Asominori and the sensitive indica cultivar IR24. Tolerance was assessed on the basis of relative root elongation. QTL were detected on chromosomes 1, 9, and 11, with the percentages of phenotypic variance explained ranging from 13.5 to 17.7%. Alleles from Asominori at all three QTL were associated with increased Al tolerance. qRRE-9 is expressed both in the genetic background of IR24 and in an Asominori/IR24-mixed background. qRRE-9 was reduced to the single recessive Mendelian factor Alt-9. High-resolution genetic and physical maps were constructed for Alt-9 in a BC3F2 population of 1,043 individuals. Alt-9 maps between RM24702 and ID47-2 on chromosome 9, and co-segregates with RM5765.

Original languageEnglish
Pages (from-to)255-262
Number of pages8
JournalPlanta
Volume227
Issue number1
DOIs
Publication statusPublished - Dec 2007

Fingerprint

Quantitative Trait Loci
Aluminum
aluminum
quantitative trait loci
Chromosomes, Human, Pair 9
rice
chromosomes
Chromosomes, Human, Pair 11
physical chromosome mapping
Chromosomes, Human, Pair 1
cultivars
phenotypic variation
acid soils
genetic background
inbred lines
Population
root growth
Soil
Alleles
toxicity

Keywords

  • Aluminum tolerance
  • Fine-mapping
  • Indel marker
  • Rice (Oryza sativa L.)
  • Simple sequence repeats

ASJC Scopus subject areas

  • Plant Science

Cite this

The genetic basic and fine-mapping of a stable quantitative-trait loci for aluminium tolerance in rice. / Xue, Y.; Jiang, L.; Su, N.; Wang, J. K.; Deng, P.; Ma, Jian Feng; Zhai, H. Q.; Wan, J. M.

In: Planta, Vol. 227, No. 1, 12.2007, p. 255-262.

Research output: Contribution to journalArticle

Xue, Y, Jiang, L, Su, N, Wang, JK, Deng, P, Ma, JF, Zhai, HQ & Wan, JM 2007, 'The genetic basic and fine-mapping of a stable quantitative-trait loci for aluminium tolerance in rice', Planta, vol. 227, no. 1, pp. 255-262. https://doi.org/10.1007/s00425-007-0613-0
Xue, Y. ; Jiang, L. ; Su, N. ; Wang, J. K. ; Deng, P. ; Ma, Jian Feng ; Zhai, H. Q. ; Wan, J. M. / The genetic basic and fine-mapping of a stable quantitative-trait loci for aluminium tolerance in rice. In: Planta. 2007 ; Vol. 227, No. 1. pp. 255-262.
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