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Article citations


Hayashi, K. (2012) The Interaction and Integration of Auxin Signaling Components. Plant and Cell Physiology, 53, 965-975.

has been cited by the following article:

  • TITLE: Phototropism in the Marine Red Macroalga Pyropia yezoensis

    AUTHORS: Megumu Takahashi, Koji Mikami

    KEYWORDS: Phototropism, Gametophyte, Sporophyte, Conchosporangia, Pyropia yezoensis

    JOURNAL NAME: American Journal of Plant Sciences, Vol.7 No.17, December 8, 2016

    ABSTRACT: Phototropism is a response to the direction of light that guides growth orientation and determines the shape of plants to optimize photosynthetic activity. The phototropic response is present not only in terrestrial plants but also in water-living algae. However, knowledge about phototropism in Bangiophycean seaweeds is limited. Here, we examined the phototropic response of the red alga Pyropia yezoensis to elucidate the regulatory mechanism of phototropism in Bangiophyceae. When leafy gametophytes and filamentous sporophytes of P. yezoensis were cultured under directional light, phototropism was observed in the gametophytes. Conchosporangia on the sporophytes also exhibited phototropism. Phototropism was positive in the majority of gametophytes and conchosporangia but in some cases was negative. In addition, a strong phototropic response occurred under white light, whereas blue and red light elicited minor and no responses, respectively. This observation is in contrast with the phototropic response in terrestrial plants and several algae, in which blue light is responsible for positive phototropism. Surprisingly, the genome of P. yezoensis has no homologues of the photoreceptors for blue and red light, revealing differences in the regulation of phototropism between terrestrial plants and P. yezoensis . Studies on the phototropism in P. yezoensis could shed light on the evolutional divergence of phototropic responses in plants.