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首页> 外文期刊>Journal of phycology >Algal parasite Herpodiscus durvillaeae (Phaeophyceae: Sphacelariales) inferred to have traversed the Pacific Ocean with its buoyant host.
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Algal parasite Herpodiscus durvillaeae (Phaeophyceae: Sphacelariales) inferred to have traversed the Pacific Ocean with its buoyant host.

机译：藻类寄生虫Herpodiscus durvillaeae（Phaeophyceae：Sphacelariales）推断其漂浮的寄主曾穿越太平洋。

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The parasitic phaeophycean endophyte Herpodiscus durvillaeae (Lindauer) G. R. South has previously only been recorded from New Zealand, in association with a single host species, Durvillaea antarctica (Chamisso) Hariot (southern bull-kelp). Here we use DNA sequence data from plastid and nuclear markers (chloroplast rbcL, ribosomal LSU, and a nuclear pseudogene copy of COI) to test for the presence of H. durvillaeae beyond the New Zealand region, and on host species other than D. antarctica. Analyses of samples from the Falkland Islands confirm the first record of H. durvillaeae from the Atlantic Ocean. We report that Falkland Islands H. durvillaeae are genetically indistinguishable from samples of this species from New Zealand's sub-Antarctic Campbell Island, suggesting recent dispersal of the parasite across the Pacific Ocean, presumably by rafting with its buoyant macroalgal host. We also here record H. durvillaeae from New Zealand endemics Durvillaea poha Fraser et al. and D. willana Lindauer.
机译：以前仅从新西兰记录到寄生的嗜藻内生菌内生真菌Herpodiscus durvillaeae（Lindauer）G. R. South，它与单一寄主物种南极Durvillaea（Chamisso）Hariot（南牛海带）有关。在这里，我们使用来自质体和核标记物（叶绿体rbcL，核糖体LSU和COI的核假基因拷贝）的DNA序列数据来测试在新西兰地区以外以及南极D.以外的宿主物种上是否存在杜氏嗜血杆菌。 。对福克兰群岛样品的分析证实了来自大西洋的杜氏嗜血杆菌的首次记录。我们报告说，福克兰群岛H. durvillaeae与新西兰亚南极坎贝尔岛的该物种样品在遗传上没有区别，这表明该寄生虫最近在太平洋中散布，大概是通过漂浮其大型浮游藻类宿主进行的。在这里，我们还记录了来自新西兰特有种Durvillaea poha Fraser等人的H. durvillaeae。和D. willana Lindauer。

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