Marked Spatial Genetic Structure in Three Populations of a Weedy Fern, Pteris multifida Poir., and Reestimation of Its Selfing Rate(Population Biology)

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概要

• 論文の詳細を見る

• Allozyme markers were used to characterize spatial genetic structure for the weedy fern Pteris multifida within three populations growing on the man made stone walls. Even visually distinct genetic substructures were observed in all the examined populations. Spatial autocorrelation analysis using Moran's / indicated that the patch size of P. multifida was as small as 4-9 m. Estimation of outcrossing rate is known to be severely biased downwards if the presence of spatial genetic structure is ignored. Mating system of this fern species was reported as mixed (mean selfing rate : 0.435). However, fixation indexes calculated in small patches less than 3-10 m wide were not significantly different from Hardy-Weinberg equilibrium and thus P. multifida's mating system was considered to be outcrossing.

• 種生物学会の論文

著者

• SUZUKI Takeshi

  Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute

• MURAKAMI NORIAKI

  Department of Botany, Graduate School of Science, Kyoto University

• SATOH Hisashi

  Department of Dentistry and Oral Surgery, National University Corporation, Hirosaki University Schoo

• Murakami Noriaki

  Department Of Botany Graduate School Of Science Kyoto University

• Murakami N

  Department Of Botany Graduate School Of Science Kyoto University

• NISHIYAMA TOMOAKI

  Department of Biological Sciences, Graduate School of Science, The University of Tokyo

• Nishiyama Tomoaki

  Department Of Biological Sciences Graduate School Of Science The University Of Tokyo

• Satoh Hisashi

  Department Of Biology Faculty Of Science Kyushu University

• Suzuki Takeshi

  Division Of Basic Biological Sciences Faculty Of Pharmacy Keio University

• Suzuki Takeshi

  Division Of Biological Resources Museum Of Nature And Human Activities

• SATOH Hisashi

  Department of Biochemical Pharmacology, Faculty of Pharmaceutical Sciences University of Chiba

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