Expression analysis of an APETALA1/FRUITFULL-like gene in Phalaenopsis sp. 'Hatsuyuki' (Orchidaceae)

In Ja Song, Tatsuya Fukuda, Suk Min Ko, Takuro Ito, Jun Yokoyama, Hiroyuki Ichikawa, Yoh Horikawa, Toshiaki Kameya, Akira Kanno, Hyo Yeon Lee

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)


    Members of the APETALA1 (AP1)/FRUITFULL (FUL)-like gene family of MADS-box genes play important roles in controlling the development of floral organs. To understand the molecular mechanisms of floral development in orchid, we isolated and characterized a Phalaenopsis AP1/FUL-like gene, PhalFUL. The results of phylogenetic analysis indicated that PhalFUL is in the monocots group of AP1/FUL-like gene. PhalFUL transcripts were detected in the flower buds, but not in vegetative organs. Moreover, in situ hybridization experiments revealed PhalFUL hybridization signals in all floral organ primordia at a very early stage of floral development, and continued expression in the column of whorls 3 and 4 until late developmental stages. These expression patterns were similar to those of the FUL-like genes in Arabidopsis (FUL) and Antirrhinum (DEFH28), suggesting that the PhalFUL is similar in function to FUL and DEFH28.

    Original languageEnglish
    Pages (from-to)183-195
    Number of pages13
    JournalHorticulture Environment and Biotechnology
    Issue number2
    Publication statusPublished - 2011 Apr


    • A-class
    • AP1/FUL-like gene
    • floral organs

    ASJC Scopus subject areas

    • Biotechnology
    • Plant Science
    • Horticulture


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