Phylogeny and molecular evolution of tetraclitid barnacles (Cirripedia, Blalanomorpha)

四斜藤壶（Cirripedia，Blananomorpha）的系统发育和分子进化

• 批准号: 09839007
• 负责人: YAMAGUCHI Toshiyuki
• 金额: $ 1.73万
• 依托单位: Chiba University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09839007/
• 关键词: mitochondrial DNA; molecular evolution; phylogenetic analysis; 16SrRNA gene; COI gene; Genus Tetralita; Family Tetraclitidae; barnacle; 種分化; COI遺伝子

In 9 species of all 11 species of the Genus Tetraclita, T. japonicaィイD1*ィエD1, T. formosanaィイD1*ィエD1, T. squamosaィイD1*ィエD1, T. rufotinctaィイD1*ィエD1, T. serrataィイD1*ィエD1, T. rubescensィイD1+ィエD1, T. confinisィイD1+ィエD1, T. stalactiferaィイD1+ィエD1, T. panamensisィイD1+ィエD1 (ィイD1*ィエD1Indo-West Pacific, ィイD1+ィエD1E & W of North America) were analyzed on COI (852bp) and 16SrRNA(470bp) genes in the mtDNA for understanding of phylogeny within the genus Tetraclita.Phylogeny based on COI (Transversion) is characteristics that 1) formosana is the closest to japonica, 2) rufotincta is the second closest to rubescens and forms a clade, 3) stalactifera, confinis and panamensis divided geographically by the Panama Canal are relative, 4) squamosa is a root of the North American Tetraclita, and rubescens is a root of the Indo-West Pacific Tetraclita. Phylogeny based on 16SrRNA is characteristics that 5) squamosa and rufotincta are containted in a clade of 1), 6) rubescens is contained in a clade of 3), and 7) ge … More ographic distribution of two clades separates to Indo-West Pacific and North America.The phylogeny of 16SrRNA relates to the geographic distribution of Tetraclita. In tree by NJ, rufotincta is the most primitive, squamosa, serrata, japonica / formosana derived from it in the Indo-West Pacific in ascending order and rubescens, stalactifera, panamensis / confinis also derived in the North America. In tree by MP, order of apperance between squamosa and serrata reversed in comparison with NJ method.Molecular evolution rate was calculated 1.48 to 1.87% / My in COI by stalactifera, panamensis and confinis that were divided geographically by the Panama Canal. The rate is similar to the 1.4% / My by sister species of shrimp Alphenus (Knowlton et al. 1998). Based on the rate, speciation between panamensis and confinis occurred at the 2.8 to 3.6Ma and speciation between japonica and formosana was 0.38 to 0.49Ma. In 16SrRNA, molecular evolution rate is 0.47 to 0.61% / My. Speciation between serrata and japonica / formosana occrtted 6.3 to 8.1Ma, and speciation between confinis and japonica / formosana occurred 8.2 to 10.6Ma.Phylogeny of Family Tetraclitidae was analyzed using Austrobalanus imperator, Tetraclitella multicostata, Newmanella radiata, Epopella plicatus, Tesseropora rosea, and Tetraclita squamosa. In 16SrRNA, Austrobalanus is the most primitive, and appeared Tetraclita, Tetraclitella, Newmanella, Epopella, and Tesseropora in ascending order. Less

在9种11种的属Tetraclita, t .粳稻ィイD1 *ィエD1, t . formosanaィイD1 *ィエD1, t . squamosaィイD1 *ィエD1, t . rufotinctaィイD1 *ィエD1, t . serrataィイD1 *ィエD1, t .得ィイD1 +ィエD1, t . confinisィイD1 +ィエD1, t . stalactiferaィイD1 +ィエD1, t . panamensisィイD1 +ィエD1(ィイD1 *ィエD1Indo-West太平洋ィイD1 +ィエD1E & W(北美)分析了在COI(852个基点)和16 srrna(470个基点)基因在mtDNA理解Tetraclita属内的种系发生。基于COI （Transversion）的系统发育特征是：1)formosana与japonica最接近，2)rufotincta与rubbescenta次之并形成一个分支，3)钟乳花、confinis和panamensis在地理上被巴拿马运河划分为相对的，4)squamosa是北美Tetraclita的根，rubbescens是印度-西太平洋Tetraclita的根。基于16SrRNA的系统发育特征是：5)squamosa和rufotincta包含在一个分支中1);6)rubbescena包含在一个分支中3);7)ge .两个分支的更多地理分布分离到印度-西太平洋和北美。16SrRNA的系统发育与四叶草属植物的地理分布有关。在NJ的树中，rufotincta是最原始的，在印度-西太平洋从它衍生的依次为squamosa、serrata、japonica / formosana，在北美也衍生出rubbescens、钟乳钟属、panamensis / confinis。与NJ法相比，MP法在树木中鳞状和锯齿状的外观顺序相反。以巴拿马运河为地理分界的钟乳虫、panamensis和confinis的COI分子进化率为1.48 ~ 1.87% / My。与虾的姊妹种Alphenus的1.4% / My相似（Knowlton et al. 1998）。从物种形成速率来看，panamensis与confinis的物种形成发生在2.8 ~ 3.6Ma之间，japonica与formosana的物种形成发生在0.38 ~ 0.49Ma之间。在16SrRNA中，分子进化率为0.47 ~ 0.61% / m。剑齿虎与日本/台湾之间的物种形成发生在6.3 ~ 8.1Ma之间，剑齿虎与日本/台湾之间的物种形成发生在8.2 ~ 10.6Ma之间。对四栖动物科的系统发育进行了系统发育分析，主要昆虫有：大鲵、多肋四栖四栖、辐射状新四栖四栖、卷腹四栖四栖四栖。在16SrRNA中，Austrobalanus是最原始的，依次出现了Tetraclita、Tetraclitella、Newmanella、Epopella和Tesseropora。少

项目成果

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