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Int. J. Mol. Sci. 2011, 12(11), 7626-7634; doi:10.3390/ijms12117626
Communication

Molecular Systematics of Polygonum minus Huds. Based on ITS Sequences

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Received: 19 August 2011 / Revised: 8 October 2011 / Accepted: 18 October 2011 / Published: 7 November 2011
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

Plastid trnL-trnF and nuclear ribosomal ITS sequences were obtained from selected wild-type individuals of Polygonum minus Huds. in Peninsular Malaysia. The 380 bp trnL-trnF sequences of the Polygonum minus accessions were identical. Therefore, the trnL-trnF failed to distinguish between the Polygonum minus accessions. However, the divergence of ITS sequences (650 bp) among the Polygonum minus accessions was 1%, indicating that these accessions could be distinguished by the ITS sequences. A phylogenetic relationship based on the ITS sequences was inferred using neighbor-joining, maximum parsimony and Bayesian inference. All of the tree topologies indicated that Polygonum minus from Peninsular Malaysia is unique and different from the synonymous Persicaria minor (Huds.) Opiz and Polygonum kawagoeanum Makino.
Keywords: ITS; phylogenetics; plastid DNA; Polygonum minus; trnL-trnF ITS; phylogenetics; plastid DNA; Polygonum minus; trnL-trnF
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bunawan, H.; Choong, C.Y.; Md-Zain, B.M.; Baharum, S.N.; Noor, N.M. Molecular Systematics of Polygonum minus Huds. Based on ITS Sequences. Int. J. Mol. Sci. 2011, 12, 7626-7634.

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