A heavy-ion beam-induced mutant of Verbena×hybrida and wild-type V. peruviana demonstrate different types of self-incompatibility
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概要
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We previously used heavy-ion beam irradiation to generate a self-incompatible mutant of Verbena×hybrida ‘Temari Coral Pink’ (SC), which exhibits a late-acting self-incompatibility system. In the present study, the behavior of pollen tubes and seed productivity after self-pollination were comparatively investigated in SC and wild species Verbena peruviana (VP), one of the parental species of Verbena×hybrida. Although reciprocal cross-pollination between VP and SC produced seeds with high frequencies, namely 57.1% for SC×VP and 59.7% for VP×SC, self-pollinated VP flowers produced no seeds. In the latter, almost all of the pollen germinated on the stigma, but further growth of the pollen tube was inhibited at the upper part of the style. These observations of pollen tube behavior may indicate that the SI system of VP was different from that of SC. VP may possess a homomorphic gametophytic SI system, which is characterized by the inhibition of pollen tube growth at style. We propose a set of SC and VP as a novel model plants for genetic analysis of the SI mechanism in the Verbenaceae family.
- 日本植物細胞分子生物学会の論文
- 2008-03-01
著者
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SAITO Hiroyuki
Radiation Biology Team, Nishina Accelerator Research Center, RIKEN
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RYUTO Hiromichi
Beam Technology Team, Nishina Accelerator Research Center, RIKEN
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FUKUNISHI Nobuhisa
Beam Technology Team, Nishina Accelerator Research Center, RIKEN
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ABE Tomoko
Radiation Biology Team, Nishina Accelerator Research Center, RIKEN
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Abe Tomoko
Radiation Biology Team Nishina Accelerator Res. Center Riken
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Abe Tomoko
Radiation Biology Team Nishina Accelerator Research Center Riken
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Kanaya Takeshi
R&d Department Suntory Flowers Ltd.
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RYUTO Hiromichi
RIKEN Nishina Center
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HIGUCHI Yohei
Graduate School of Life and Environmental Sciences, University of Tsukuba
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Fukunishi Nobuhisa
Beam Technology Team Nishina Accelerator Research Center Riken
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Saito Hiroyuki
Radiation Biology Team Nishina Accelerator Research Center Riken
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Suzuki Ken-ichi
Production Department Suntory Flowers Ltd.
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Higuchi Youhei
Univ. Tsukuba Ibaraki Jpn
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Hayashi Yoriko
Riken Saitama Jpn
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Higuchi Youhei
Gene Research Center Graduate School Of Life And Environmental Sciences University Of Tsukuba
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KANAYA Takeshi
R&D Department, Suntory Flowers Ltd.
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HAYASHI Yoriko
Radiation Biology Team, RIEKN Nishina Center
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FUKUNISHI Nobuhisa
Radiation Biology Team, RIEKN Nishina Center
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RYUTO Hiromichi
Radiation Biology Team, RIEKN Nishina Center
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MIYAZAKI Kiyoshi
R&D Department, Suntory Flowers Ltd.
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Miyazaki Kiyoshi
R&d Department Suntory Flowers Ltd.
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Hayashi Yoriko
Gene Research Center Graduate School Of Life And Environmental Sciences University Of Tsukuba
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Higuchi Youhei
National Inst. Of Floricultural Sci. National Agriculture And Food Res. Organization (naro)
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Murai Koji
Fukui Prefectural Univ. Fukui Jpn
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