title: MYB transcription factor gene involved in sex determination in Asparagus officinalis.
abstract: Dioecy is a plant mating system in which individuals of a species are either male or female. Although many flowering plants evolved independently from hermaphroditism to dioecy, the molecular mechanism underlying this transition remains largely unknown. Sex determination in the dioecious plant Asparagus officinalis is controlled by X and Y chromosomes; the male and female karyotypes are XY and XX, respectively. Transcriptome analysis of A. officinalis buds showed that a MYB-like gene, Male Specific Expression 1 (MSE1), is specifically expressed in males. MSE1 exhibits tight linkage with the Y chromosome, specific expression in early anther development and loss of function on the X chromosome. Knockout of the MSE1 orthologue in Arabidopsis induces male sterility. Thus, MSE1 acts in sex determination in A. officinalis.
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Kohji
authors.initials: K
authors.lastname: Murase
authors.affiliation: National Institute for Basic Biology (NIBB) Core Research Facilities, NIBB, Okazaki, Aichi, 444-8585, Japan.
authors.forename: Shuji
authors.initials: S
authors.lastname: Shigenobu
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Sota
authors.initials: S
authors.lastname: Fujii
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Kazuki
authors.initials: K
authors.lastname: Ueda
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Takanori
authors.initials: T
authors.lastname: Murata
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Ai
authors.initials: A
authors.lastname: Sakamoto
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Yuko
authors.initials: Y
authors.lastname: Wada
authors.affiliation: National Institute for Basic Biology (NIBB) Core Research Facilities, NIBB, Okazaki, Aichi, 444-8585, Japan.
authors.forename: Katsushi
authors.initials: K
authors.lastname: Yamaguchi
authors.affiliation: Center for Collaboration among Agriculture, Industry and Commerce, The University of Tokushima, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan.
authors.forename: Yuriko
authors.initials: Y
authors.lastname: Osakabe
authors.affiliation: Center for Collaboration among Agriculture, Industry and Commerce, The University of Tokushima, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan.
authors.forename: Keishi
authors.initials: K
authors.lastname: Osakabe
authors.affiliation: Graduate School of Life Sciences, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan.
authors.forename: Akira
authors.initials: A
authors.lastname: Kanno
authors.affiliation: Faculty of Agriculture, Kyushu University, Kasuya, Fukuoka, 811-2307, Japan.
authors.forename: Yukio
authors.initials: Y
authors.lastname: Ozaki
authors.affiliation: Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
authors.forename: Seiji
authors.initials: S
authors.lastname: Takayama
mesh_terms: D017360:Arabidopsis / Q000235:genetics; D027761:Asparagus Plant / Q000235:genetics* / Q000254:growth & development; D035264:Flowers / Q000235:genetics / Q000254:growth & development; D020869:Gene Expression Profiling; D018506:Gene Expression Regulation, Plant; D010940:Plant Proteins / Q000096:biosynthesis / Q000235:genetics*; D019849:Sex Determination Processes; D014157:Transcription Factors / Q000235:genetics*
chemical_list: D010940:Plant Proteins; D014157:Transcription Factors