Transient expression of anthocyanin in developing wheat coleoptile by maize C1 and B-peru regulatory genes for anthocyanin synthesis

Nisar Ahmed, Masahiko Maekawa, Shigeko Utsugi, Eiko Himi, Hador Ablet, Kazuhide Rikiishi, Kazuhiko Noda

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Maize transcription factors for the genes of anthocyanin synthesis pathway, C1/B-peru, were delivered into developing wheat coleoptiles by a particle bombardment method. Anthocyanin pigments were induced as discrete red spots and their number reached about 60 spots per coleoptile, compared to about 20 diffused blue GUS spots, which were induced by the GusA gene transferred concomitantly. Coleoptiles of seedlings collected 36h after germination were most suitable tissue for the expression of delivered foreign genes. One to five μg of plasmid DNA for coating gold particles was sufficient for induction of anthocyanin and GUS, indicating that the transferred gene was expressed efficiently in coleoptile cells. Helium gas pressure (900, 1100, 1300 or 1500 pounds per square inch) and distances (10, 15, or 20 cm) between the stopping screen and coleoptile did not affect significantly the efficiency of gene transfer. Seedlings arranged in a circle with a 1-cm radius on a MS medium plate were targeted well by gold particles. The results showed that the wheat coleoptile was a good target tissue for transient assay of wheat genes and that C1/B-peru can be used as a reporter gene.

Original languageEnglish
Pages (from-to)29-34
Number of pages6
JournalBreeding Science
Volume53
Issue number1
Publication statusPublished - Mar 2003

Fingerprint

Peru
Anthocyanins
Cotyledon
coleoptiles
Regulator Genes
regulator genes
Triticum
Zea mays
anthocyanins
wheat
synthesis
corn
Genes
Seedlings
genes
Gold
gold
Helium
helium
seedlings

Keywords

  • Anthocyanin
  • Coleoptile
  • Particle bombardment
  • Transient assay
  • Wheat

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

Cite this

Transient expression of anthocyanin in developing wheat coleoptile by maize C1 and B-peru regulatory genes for anthocyanin synthesis. / Ahmed, Nisar; Maekawa, Masahiko; Utsugi, Shigeko; Himi, Eiko; Ablet, Hador; Rikiishi, Kazuhide; Noda, Kazuhiko.

In: Breeding Science, Vol. 53, No. 1, 03.2003, p. 29-34.

Research output: Contribution to journalArticle

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