Molecular and Cytological Studies of an Interspecific Hybrid in Schoenoplectus (Cyperaceae)
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概要
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ITS sequence and chromosome data were used as evidence of natural hybridization in plants of Schoenoplectus (Cyperaceae) from Yawata moor, Hiroshima Prefecture, Japan. The hybrids were intermediate morphologically between both S. hotarui and S. gemmifer, and S. hotarui and S. triangulatus, and resembled S. ×trapezoideus. Chromosome numbers were observed to be 2n=76 for S. gemmifer, 2n=44 for S. hotarui, 2n=42 for S. triangulatus, and 2n=60 for the putative hybrid. The ITS sequence data showed that the hybrid had sequences from both S. gemmifer (2n=76) and S. hotarui (2n=44). Our cytological and ITS sequence results suggested that the putative hybrid with 2n=60 arose by natural hybridization between S. gemmifer (2n=76) and S. hotarui (2n=44).
- 2010-03-30
著者
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IKEDA Hiroshi
Department of Neurosurgery, Japanese Red Cross Nagoya Daiichi Hospital
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YANO OKIHITO
Department of Botany, University Museum, University of Tokyo
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HOSHINO TAKUJI
Department of Mathematical and Environmental System Science, Graduate School of Informatics, Okayama
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Yano Okihito
Department Of Botany University Museum University Of Tokyo
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Yano Okihito
Department Of Biosphere-geosphere System Science Graduate School Of Informatics Okayama University O
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Hoshino Takuji
Department Of Biosphere-geosphere System Science Faculty Of Informatics Okayama University Of Scienc
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Hoshino Takuji
Department Of Mathematical And Environmental System Science Graduate School Of Informatics Okayama U
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Hoshino Takuji
Department Of Biological Chemistry Faculty Of Science Okayama University Of Science
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Ikeda Hiroshi
Department Of Gastroenterology & Hepatology Okayama University Graduate School Of Medicine Denti
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Ikeda Hiroshi
Department Of Applied Chemistry Graduate School Of Engineering Osaka Prefecture University
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Ikeda Hiroshi
Department Of Botany University Museum University Of Tokyo
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IKEDA HIROSHI
Deparment of Biology, Faculty of Science, Tokyo Metropolitan University
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