OsFCA transcripts show more complex alternative processing patterns than its Arabidopsis counterparts

Yun Hee Jang, Jeong Hwan Lee, Hyo Young Park, Soon Kap Kim, Bo Young Lee, Mi Chung Suh, Jeong Kook Kim

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The FCA gene, which is a component of the autonomous pathway that regulates flowering time, is an important example of how alternative processing can control plant development. We have previously characterized the FCA homolog, OsFCA, from a japonica-type rice cultivar and demonstrated that the polyadenylation site within intron 3, which can generate non-functional FCA-β, was conserved in rice. In this study, we detected five alternatively processed variants of OsFCA pre-mRNA, four of which were equivalents of FCA-α, -β, -γ, and -δ, in japonica-type Korean rice cultivars. The fifth transcript, referred to as OsFCA-e{open}, was similar to OsFCA-γ, except a part of the OsFCA intron 16 was retained. Unlike the FCA-γ protein, the OsFCA-γ protein contains a glycine-rich region at its N-terminus. We detected the OsFCA transcripts missing the region encoding the glycine-rich domain in the indica-type rice, but not in the japonica-type rice. We also found that the OsFCA-δ and OsFCA-e{open} transcripts were expressed in almost all of the different tissue types examined. Taken together, these results indicate that the alternative processing of the OsFCA transcript is more complex than its Arabidopsis counterpart.

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalJournal of Plant Biology
Volume52
Issue number2
DOIs
Publication statusPublished - 2009 Apr 1

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Arabidopsis
rice
introns
cultivars
plant development
proteins
flowering
genes

Keywords

  • Alternatively spliced transcripts
  • Flowering time
  • OsFCA
  • Rice

ASJC Scopus subject areas

  • Plant Science

Cite this

OsFCA transcripts show more complex alternative processing patterns than its Arabidopsis counterparts. / Jang, Yun Hee; Lee, Jeong Hwan; Park, Hyo Young; Kim, Soon Kap; Lee, Bo Young; Suh, Mi Chung; Kim, Jeong Kook.

In: Journal of Plant Biology, Vol. 52, No. 2, 01.04.2009, p. 161-166.

Research output: Contribution to journalArticle

Jang, Yun Hee ; Lee, Jeong Hwan ; Park, Hyo Young ; Kim, Soon Kap ; Lee, Bo Young ; Suh, Mi Chung ; Kim, Jeong Kook. / OsFCA transcripts show more complex alternative processing patterns than its Arabidopsis counterparts. In: Journal of Plant Biology. 2009 ; Vol. 52, No. 2. pp. 161-166.
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