RFLP analysis of introgressed chromosomal segments in three ncar-isogenic lines of rice for bacterial blight resistance genes, Xa-1, Xa-3 and Xa-4'

Kishiko Maruyama, Hidenori Tachida

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Nitrogressed chromosome segments in three near-isogenic lines (NILs) of rice for bacterial blight resistance genes Xa-1, Xa-3 and Xa-i with the genetic backgrounds of an IR21 variety were measured by using restriction fragment length polymorphic (RFLP) markers and linkage map. The size of the introgressed segment flanking Xa-1 of a NIL was estimated to be 3.3-11.7cM of map units. Both NILs for Xa-3 and Xa-i contained the donor segments at an identical end of linkage group corresponding to chromosome 11. We demonstrated in this study that these NILs were good materials to klentify DNA markers tightly linked to these resistance genes and the RFLP markers tagging the resistance genes were useful in genetics and breeding on the disease resistance.

Original languageEnglish
Pages (from-to)29-37
Number of pages9
JournalJapanese Journal of Genetics
Volume67
Issue number1
DOIs
Publication statusPublished - Jan 1 1992

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Genes
Chromosomes, Human, Pair 11
Disease Resistance
Genetic Markers
Breeding
Chromosomes
Oryza
Genetic Background

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

RFLP analysis of introgressed chromosomal segments in three ncar-isogenic lines of rice for bacterial blight resistance genes, Xa-1, Xa-3 and Xa-4'. / Maruyama, Kishiko; Tachida, Hidenori.

In: Japanese Journal of Genetics, Vol. 67, No. 1, 01.01.1992, p. 29-37.

Research output: Contribution to journalArticle

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