| Distribution pattern changes of actin filaments during chloroplast movement in Adiantum capillus-veneris. | |
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MedLine Citation:
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PMID: 21755418 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Chloroplasts change their positions in a cell in response to light intensities. The photoreceptors involved in chloroplast photo-relocation movements and the behavior of chloroplasts during their migration were identified in our previous studies, but the mechanism of movement has yet to be clarified. In this study, the behavior of actin filaments under various light conditions was observed in Adiantum capillus-veneris gametophytes. In chloroplasts staying in one place under a weak light condition and not moving, circular structures composed of actin filaments were observed around the chloroplast periphery. In contrast, short actin filaments were observed at the leading edge of moving chloroplasts induced by partial cell irradiation. In the dark, the circular structures found under the weak light condition disappeared and then reappeared around the moving chloroplasts. Mutant analyses revealed that the disappearance of the circular actin structure was mediated by the blue light photoreceptor, phototropin2. |
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Authors:
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Hidenori Tsuboi; Masamitsu Wada |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-14 |
Journal Detail:
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Title: Journal of plant research Volume: - ISSN: 1618-0860 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9887853 Medline TA: J Plant Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Kyushu University, Hakozaki 6-10-1, Fukuoka, 812-8581, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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