Identification and characterisation of Botrylloides (Styelidae) species from Aotearoa New Zealand coasts

IF 1.4 4区 环境科学与生态学 Q3 FISHERIES
Berivan Temiz, Rebecca M. Clarke, Mike Page, Miles Lamare, Megan J. Wilson
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引用次数: 0

Abstract

Ascidians are marine filter-feeder chordates. Botrylloides ascidians possess diverse biological properties such as whole-body regeneration (WBR), hibernation/aestivation, blastogenesis, metamorphosis, and natural chimerism. However, the absence of distinctive morphological features often makes identification difficult. Botrylloides diegensis is an ascidian that has been misidentified in previous studies and is recorded in GenBank as Botrylloides leachii owing to the high morphological similarity between the sister species. More available sequences and strategies for identification would help resolve some of the confusion surrounding its ambiguous nature. We collected several Botrylloides samples from seven locations in Aotearoa New Zealand (Dunedin, Christchurch, Picton, Nelson, Whangateau, New Plymouth, and Invercargill) and barcoded the species based on Cytochrome Oxidase I, Histone 3, 18S, and 28S ribosomal RNA markers. Network and Bayesian trees confirmed the presence of three Botrylloides species: B. diegensis, Botrylloides jacksonianum, and Botrylloides affinis anceps.
文章标题新西兰沿海地区花蓟科植物的鉴定与特征
海鞘是海洋滤食性脊索动物。海鞘草具有全身再生、冬眠/休眠、胚发生、变态和自然嵌合等多种生物学特性。然而,缺乏独特的形态特征往往使识别困难。Botrylloides diegensis是一种在以前的研究中被错误识别的海鞘,由于其姐妹种之间形态高度相似,在GenBank中被记录为Botrylloides leachii。更多可用的序列和识别策略将有助于解决围绕其模糊性质的一些困惑。我们从新西兰的7个地点(达尼丁、克赖斯特彻奇、皮克顿、纳尔逊、旺加托、新普利茅斯和因弗卡吉尔)收集了几个Botrylloides样本,并根据细胞色素氧化酶I、组蛋白3、18S和28S核糖体RNA标记对该物种进行了条形码。网络和贝叶斯树证实了三种Botrylloides的存在:B. diegensis, Botrylloides jacksonium和Botrylloides affinis anceps。
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来源期刊
CiteScore
4.50
自引率
12.50%
发文量
35
审稿时长
3 months
期刊介绍: Aims: The diversity of aquatic environments in the southern continents and oceans is of worldwide interest to researchers and resource managers in research institutions, museums, and other centres. The New Zealand Journal of Marine and Freshwater Research plays an important role in disseminating information on observational, experimental, theoretical and numerical research on the marine, estuarine and freshwater environments of the region.
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