Employment of wheat-rye translocation in wheat improvement and broadening its genetic basis

Woo Joo Jung, Yong Weon Seo

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

Hexaploid common wheat (2n = 6x = 42, Triticum aestivum L.) is one of the most widely cultivated crops and numerous attempts to improve the genetic constituent for superior traits have been conducted. Some of the rye (Secale cereale L.) chromosomes, especially the short arm of rye chromosome 1 (1RS) contain several disease resistance genes and have been introgressed into the wheat genome to improve wheat yield. Among them, 1RS from 'Petkus' rye has been widely used throughout nations as a form of 1BL/1RS translocation. A number of methods to identify rye chromatin in the wheat chromosome such as PAGE, monoclonal antibody, and HPLC have been developed and directly applied in wheat breeding programs. Although disease resistance genes of wheatrye translocation lines are beneficial, some genes residing on 1RS provide deleterious end-use quality in some genetic backgrounds. This problem might be solved using molecular biology. Development of numerous markers closely linked to the genes allows for the introgression of the desirable genes. However, the lack of sequence information owing to the genome structure of rye has limited marker development. With the advent of NGS technology in the 2000s, enormous sequence data are available, especially for 1RS. The combination of NGS and chromosome-based analysis will help positional cloning of useful genes and marker development in 1RS, which results in further employment of rye chromatin in wheat breeding.

Original languageEnglish
Pages (from-to)305-313
Number of pages9
JournalJournal of Crop Science and Biotechnology
Volume17
Issue number4
DOIs
Publication statusPublished - 2014 Dec 1

Fingerprint

rye
Triticum
wheat
chromosomes
genes
Genes
Disease Resistance
Chromosomes
disease resistance
chromatin
Chromatin
Breeding
translocation lines
Genome
genome
Secale cereale
breeding
hexaploidy
Chromosomes, Human, Pair 1
introgression

Keywords

  • genome information
  • grain productivity
  • stress tolerance
  • wheat-rye translocation

ASJC Scopus subject areas

  • Biotechnology
  • Agronomy and Crop Science
  • Plant Science

Cite this

Employment of wheat-rye translocation in wheat improvement and broadening its genetic basis. / Jung, Woo Joo; Seo, Yong Weon.

In: Journal of Crop Science and Biotechnology, Vol. 17, No. 4, 01.12.2014, p. 305-313.

Research output: Contribution to journalReview article

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