Thursday, April 26, 2007

[Paper] 基因影響授粉者改變

April 26th, 2007 by thow
出處:
Maria Elena Hoballah, Thomas Gübitz, Jeroen Stuurman, Larissa Broger, Mario Barone, Therese Mandel, Alexandre Dell’Olivo,
Maeva Arnold, and Cris Kuhlemeier. Single Gene-Mediated Shift in Pollinator Attraction in Petunia. Plant Cell published March 2, 2007. Single Gene-Mediated Shift in Pollinator Attraction in Petunia. .
說明:
Peunia hybrida中找到的ANTHOCYANIN2 (AN2)與花色有關,突變後會使原本桃紅的花色變為白色,也確實會影響授粉者的偏好與行為,作
者們另外針對一種白花的矮牽牛Petunia axillaris,其AN2基因homolog已失去功能,轉殖正常AN2後會使花色變紅,比較原始白花與轉殖的紅花植株同樣會造成授粉者有不同的偏好,顯示這個基因確實與植物和授粉者間的關連性有關,另外作者也提到了在植物與傳粉者間演化歷史這類的問
題。

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