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Open Access Highly Accessed Research article

Polyploid evolution in Oryza officinalis complex of the genus Oryza

Baosheng Wang12, Zhuoya Ding12, Wei Liu12, Jin Pan1, Changbao Li1, Song Ge1 and Daming Zhang1*

Author Affiliations

1 State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, the Chinese Academy of Sciences, Beijing 100093, PR China

2 Graduate University of the Chinese Academy of Sciences, Beijing 100039, PR China

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BMC Evolutionary Biology 2009, 9:250  doi:10.1186/1471-2148-9-250

Published: 14 October 2009

Additional files

Additional file 1:

Multicolour fluorescent in situ hybridization images of O. malampuzhaensis. Prometaphase chromosomes of O. malampuzhaensis were hybridized by 45S rDNA probes (red) together with B-genome probes (green), and counterstained by DAPI (blue). Arrow indicated one pair of C-genome chromosomes which painted by both 45S rDNA and B-genome signals on same areas. (a) and (d) Two pairs of 45S rDNA loci (red). (b) and (e) The B-genome chromosomes showing blue-green signals. (c) and (f) The chromosomes counterstained by DAPI after hybridized with both 45S rDNA and B-genome probes. Bar, 5 μm.

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