Anthocyanin accumulation and expression pattern of anthocyanin biosynthesis genes in developing wheat coleoptiles

N. Ahmed, Masahiko Maekawa, K. Noda

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Anthocyanin accumulation and expression pattern of anthocyanin biosynthesis genes were investigated in developing coleoptiles of wheat (Triticum aestivum L.). In epidermal cell layers of the growing coleoptiles of cv. Hope, anthocyanins started to accumulate between day 2 and 3 after germination, reached their maximum on day 6 and then decreased while another cultivar, Chinese Spring (CS) did not accumulate anthocyanin pigments. None of the six anthocyanin biosynthesis genes was upregulated in coleoptiles of both cvs. grown in the dark, whereas all genes were activated by light in coleoptiles of cv. Hope. Transcript levels of all the six genes were relatively low on day 2, increased from days 3 to 5 and then declined to almost non-detectable levels on day 6. In coleoptiles of CS grown in the light, the early biosynthesis genes (EBGs) were expressed, but the three late biosynthesis genes (LBGs) were not.

Original languageEnglish
Pages (from-to)223-228
Number of pages6
JournalBiologia Plantarum
Volume53
Issue number2
DOIs
Publication statusPublished - Jul 2009

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coleoptiles
anthocyanins
biosynthesis
wheat
genes
Triticum aestivum
pigments
germination
cultivars
cells

Keywords

  • Comparison of cultivars
  • Pigments
  • Transcript accumulation

ASJC Scopus subject areas

  • Plant Science
  • Horticulture

Cite this

Anthocyanin accumulation and expression pattern of anthocyanin biosynthesis genes in developing wheat coleoptiles. / Ahmed, N.; Maekawa, Masahiko; Noda, K.

In: Biologia Plantarum, Vol. 53, No. 2, 07.2009, p. 223-228.

Research output: Contribution to journalArticle

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