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項次 書目
1
題名:Multi-Gene Analyses of the Phylogenetic Relationships among the Mollusca, Annelida, and Arthropoda    
著者:Donald J. ColganPatricia A. HutchingsEmma Beacham
出版地區:台灣
出版城市:台北市
學科:生命科學 ; 醫學綜合
關鍵字:Phylogenetics ; Lophotrochozoa ; Eutrochozoa ; Ecdysozoa ; Basal Annelida
刊名:Zoological Studies
頁碼:338-351
語言:英語
摘要: 英文摘要PDF

The current understanding of metazoan relationships is largely based on analyses of 18S ribosomal RNA ('18SrRNA'). In this paper, DNA sequence data from 2 segments of 28S rRNA, cytochrome c oxidase subunit I, histone H3, and U2 small nuclear (sn)RNA were compiled and used to test phylogenetic relationships among the Mollusca, Annelida, and Arthropoda. The 18S rRNA data were included in the compilations for comparison. The analyses were especially directed at testing the implication of the Eutrochozoan hypothesis that the Annelida and Mollusca are more closely related than are the Annelida and Arthropoda and at determining whether, in contrast to analyses using only 18S rRNA, the addition of data from other genes would reveal these phyla to be monophyletic. New data and available sequences were compiled for up to 49 molluscs, 33 annelids, 22 arthropods, and 27 taxa from 15 other metazoan phyla. The Porifera, Ctenophora, and Cnidaria were used as the outgroup. The Annelida, Mollusca, Entoprocta, Phoronida, Nemertea, Brachiopoda, and Sipuncula (i.e., all studied Lophotrochozoa except for the Bryozoa) formed a monophyletic clade with maximum likelihood bootstrap support of 81% and a Bayesian posterior probability of 0.66 when all data were analyzed. The clade was also formed (including 1 arthropod, a symphylan) when only genes other than 18S rRNA were analyzed. Two molluscan genera with long branch lengths (Nautilus and Philippia) were removed from the Lophotrochozoa in the maximum-parsimony analyses of all data. The Ecdysozoa (comprised of the Kinorhyncha, Priapula, Nematoda, Onychophora, Tardigrada, and Arthropoda) was included in a clade with the Chaetognatha (with maximum-likelihood support of 80% and a Bayesian probability of 0.57) using the total data. This clade except the symphylan had a Bayesian probability of 0.66 when 18S r DNA data were excluded. The reciprocal separation of the Annelida and Mollusca was generally supported where this could be resolved. The monophyly of the Annelida was contradicted only by the inclusion of the Sipuncula and Brachiopoda and the exclusion of Owenia. Molluscan monophyly was contradicted by the anomalous placement of Nautilus and/or Philippia, but these taxa were never placed in the Annelida.


    

本卷期目次
Zoological Studies
Effects of Troop Size on Social Relations among Male Formosan Macaques, Macaca cyclopis/ Tai-Jung LinGovindasamy AgoramoorthyChih-Chien HuangMinna J. Hsu
Description of Adults, Preimaginal Phases, and the Venom Apparatus of a New Species of Aspilota Forster from Spain (Hymenoptera: Braconidae)/ Maximilian FischerJosep TormosXavier PardoJosep Daniel Asis
Spatial and Seasonal Variations in Chaetognath Assemblages in Two Subtropical Marine Inlets with Different Hydrographical Characteristics/ Pan TseSami SouissiJiang-Shiou HwangQing-Chao ChenChong Kim Wong
Factors Affecting Invasive Species Abundance: The Barbary Ground Squirrel on Fuerteventura Island, Spain/ Marta Lopez-DariasJorge M. Lobo
Construction of an Indian Muntjac BAC Library and Production of the Most Highly Dense FISH Map of the Species/ Chyi-Chyang LinPei-Ching HsuTzai-Shiuan LiShu-Ju LiaoYa-Ming ChengLie-Jiau HsiehYueh-Chun Li
Cooption of Neo-X and Neo-Y Chromosomes in Drosophila albomicans/ Sung-Han LinYu-Yang HuangHwei-Yu Chang
Development of Ovarian Tissue and Female Germ Cells in the Protandrous Black Porgy, Acanthopagrus schlegeli (Perciformes, Sparidae)/ Mong-Fong LeeJing-Duan HuangChing-Fong Chang
A Sea Anemone Outbreak Eliminates Damselfish Territories from Fringing Reefs in Southern Taiwan/ Tsen-Chien ChenCheng-Tze HoRong-Quen Jan
Sexual Polymorphism in a Population of Strombus canarium Linnaeus, 1758 (Mollusca: Gastropoda) at Merambong Shoal, Malaysia/ Zaidi Che CobAziz ArshadMohd Hanafi IdrisJapar Sidik BujangMazlan Abd Ghaffar
Apocyclops ramkhamhaengi sp. nov. (Copepoda: Cyclopoida) in a Culture Originating from Brackish Waters of Chang Island, Trat Province, Thailand/ Supawadee ChullasornPawana KangtiaKhwanruan PinkaewFrank D. Ferrari
Multi-Gene Analyses of the Phylogenetic Relationships among the Mollusca, Annelida, and Arthropoda/ Donald J. ColganPatricia A. HutchingsEmma Beacham
Differences in Morphological Traits between Two Sibling Species, Drosophila ananassae and D. pallidosa/ Chavali VishalakshiBashisth Narayan Singh
Mitochondrial DNA Diversity of Tor tambroides Valenciennes (Cyprinidae) from Five Natural Populations in Malaysia/ Yuzine B. EsaSiti Shapor SirajSiti Khalijah DaudKhairul Adha A. RahimJeffrine Rovie Ryan JapningSoon Guan Tan
Molecular Phylogenetics among Three Families of Bats (Chiroptera: Rhinolophidae, Hipposideridae, and Vespertilionidae) Based on Partial Sequences of the Mitochondrial 12S and 16S rRNA Genes/ Xiao-Ming GuShu-Yan HeLei Ao
 
   
 
   

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