Morphological Divergence, Reproductive Isolating Mechanism, and Molecular Phylogenetic Relationships Among Indonesia, Malaysia, and Japan Populations of the Fejervarya limnocharis Complex (Anura, Ranidae)

Djong, T.H. and Matsui, M. and Kuramoto, M. and Belabut, Daicus Martin and Yong, Hoi Sen and Nishioka, M. and Sumida, M. (2007) Morphological Divergence, Reproductive Isolating Mechanism, and Molecular Phylogenetic Relationships Among Indonesia, Malaysia, and Japan Populations of the Fejervarya limnocharis Complex (Anura, Ranidae). Zoological Science, 24 (12). pp. 1197-1212. ISSN 0289-0003

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Official URL: http://www.bioone.org/doi/10.2108/zsj.24.1197?url_...

Abstract

In order to elucidate the taxonomic status of the Fejervarya limnocharis complex relative to Malaysia and Japan populations, morphological observations and molecular phylogenetic analysis were carried out using three populations from Indonesia (type locality), Malaysia, and Japan. In addition, we conducted histological and spermatogenic observations using hybrids among these populations. Principal component and cluster analyses demonstrated that these populations could be clearly separated from one another. Abnormal testes were found in the hybrids between the Japan and Indonesia populations and between the Japan and Malaysia populations, but testes of the controls and hybrids between the Malaysia and Indonesia populations were quite normal. The mean number of univalents per cell was 5.42, 4.58, and 0.20 in hybrids between the Indonesia and Japan populations, Malaysia and Japan populations, and Indonesia and Malaysia populations, respectively. Sequence divergences in 16S rRNA and Cyt b genes were 0–0.4% (x̄=0.2%) and 0.3–1.5% (x̄=1.0%), respectively, between the Malaysia and Indonesia populations, and 2.4–2.6% (x̄=2.5%) and 11.0–12.0% (x̄=11.5%) between the Japan population and F. limnocharis complex, including the Malaysia and Indonesia populations and F. multistriata from China. This study indicated that the Malaysia population and F. multistriata from China should be designated as a subspecies of topotypic F. limnocharis, and that the Japan population should be regarded as a distinct species.

Item Type: Article
Uncontrolled Keywords: Morphology; Spermatogenesis; Sequence divergence; Molecular phylogeny; Asia; Fejervarya limnocharis; Species complex; Speciation
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Apr 2015 06:37
Last Modified: 05 Dec 2019 04:16
URI: http://eprints.um.edu.my/id/eprint/13395

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