The gene expression analysis of Arabidopsis thaliana ABC transporters by real-time PCR for screening monolignol-transporter candidates

Manami Takeuchi, Atsushi Watanabe, Miho Tamura, Yuji Tsutsumi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The transport of monolignols from the cytosol to the cell wall is essential for lignin synthesis. The ATP-binding cassette (ABC) transporters may be involved in the transport of lignin precursors. ABC transporter genes subjected to expression analysis were chosen based on two criteria for screening candidate transporter genes related to lignification. The expression levels of 15 target genes in five plant organs were analyzed by real-time PCR. Five transporter genes (ABCG29, ABCG30, ABCG33, ABCG34, and ABCG37), which were simultaneously expressed with the reference genes, were selected as candidates. The candidate gene expression levels in root tissues of T-DNA insertion mutants were determined by semi-quantitative reverse transcription PCR. ABCG30 was more highly expressed in the abcg34 mutant than in the wild-type plants, while the expression of ABCG34 was twofold higher in the abcg30 mutant plants than in the wild-type plants. Thus, the expression of ABCG30 and ABCG34 may affect each other. There was no significant change in lignin content and composition in the single-gene knockout mutants of the candidate transporter genes, which suggested that each candidate gene did not solely contribute to lignin synthesis.

Original languageEnglish
Pages (from-to)477-484
Number of pages8
JournalJournal of Wood Science
Volume64
Issue number5
DOIs
Publication statusPublished - Oct 1 2018

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ATP-Binding Cassette Transporters
Adenosinetriphosphate
Gene expression
Screening
Genes
Lignin
Transcription
DNA
Cells
Tissue
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Biomaterials

Cite this

The gene expression analysis of Arabidopsis thaliana ABC transporters by real-time PCR for screening monolignol-transporter candidates. / Takeuchi, Manami; Watanabe, Atsushi; Tamura, Miho; Tsutsumi, Yuji.

In: Journal of Wood Science, Vol. 64, No. 5, 01.10.2018, p. 477-484.

Research output: Contribution to journalArticle

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