ArticleJournal of plant research2005
Phylogeography and conservation genetics of Hygrophila pogonocalyx (Acanthaceae) based on atpB-rbcL noncoding spacer cpDNA.
Article in Journal of plant research, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- As old as the hills: Pliocene palaeogeographical processes influence patterns of genetic structure in the widespread, common shrubEcology and evolution · 2021Article
- Phylogeography and conservation genetics of the endangered Tugarinovia mongolica (Asteraceae) from Inner Mongolia, Northwest China.PloS one · 2019Article
- Subspecific Differentiation Events of Montane Stag Beetles (Coleoptera, Lucanidae) Endemic to Formosa Island.PloS one · 2016Article
- Species delimitation, genetic diversity and population historical dynamics of Cycas diannanensis (Cycadaceae) occurring sympatrically in the Red River region of China.Frontiers in plant science · 2015Article
- Changes in plasticity across the lifespan: cause of disease and target for intervention.Progress in brain research · 2013Review
- Genetic population structure of the alpine species Rhododendron pseudochrysanthum sensu lato (Ericaceae) inferred from chloroplast and nuclear DNA.BMC evolutionary biology · 2011Article
- Conservation genetics and phylogeography of endangered and endemic shrub Tetraena mongolica (Zygophyllaceae) in Inner Mongolia, China.BMC genetics · 2011Article
- Distribution of chloroplast DNA haplotypes in the contact zone of Fagus crenata in the southwest of Kanto District, Japan.Journal of plant research · 2006Article
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4 authors.
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Abstract
Genetic variation in the atpB-rbcL intergenic spacer region of chloroplast DNA (cpDNA) was investigated in Hygrophila pogonocalyx Hayata (Acanthaceae), an endangered and endemic species in Taiwan. In this aquatic species, seed dispersal from capsules via elasticity is constrained by gravity and is thereby confined within populations, resulting in limited gene flow between populations. In this study, a total of 849 bp of the cpDNA atpB-rbcL spacer were sequenced from eight populations of H. pogonocalyx. Nucleotide diversity in the cpDNA is low (theta = 0.00343+/-0.00041). The distribution of genetic variation among populations agrees with an "isolation-by-distance" model. Two geographically correlated groups, the western and eastern regions, were identified in a neighbor-joining tree and a minimum-spanning network. Phylogeographical analyses based on the cpDNA network suggest that the present-day differentiation between western and eastern groups of H. pogonocalyx resulted from past fragmentation. The differentiation between eastern and western populations may be ascribed to isolation since the formation of the Central Mountain Range about 5 million years ago, which is consistent with the rate estimates based on a molecular clock of cpDNA.
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