Proposal for a new tapeworm order, Rhinebothriidea
Proposal for a new tapeworm order, Rhinebothriidea
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DOI：
10.1016/j.ijpara.2008.09.002
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发表时间：
2009-03-01
影响因子：
4
通讯作者：
Littlewood, D. Timothy J.
中科院分区：
文献类型：
--
作者：
Healy, Claire J.;Caira, Janine N.;Littlewood, D. Timothy J.
绦虫Tetraphyllidea Carus，1863年的多系性的解决部分与新的订单Rhinebothriidea的一个子集的分类群以前包括的phyllobothriid亚科Rhinebothriinae（扁形动物：Eucestoda）的建立。支持的顺序来自贝叶斯，最大似然法和简约分析的完整的ssrDNA和部分（D1-D3）lsrDNA序列数据的58绦虫物种。这些数据包括候选rhinebothriines和cathetocephalidea物种Sanguilevator yearsleyi的15属40种的新数据，以及来自GenBank的17属18种绦虫的可比数据。总的来说，分析的物种包括两个Catherocephalidea，两个Litobothriidea，两个Lecanicephalidea，三个Proteocephalidea，和49 Tetraphyllidea。四叶虫类包括3个瘤头绦虫科、3个锯头绦虫科和43个叶头绦虫科（1个缨头绦虫亚科、1个棘头绦虫亚科、5个叶头绦虫亚科、35个候选的Rhinebothriinae和鲜为人知的海绵头绦虫）。这项工作表明，该小组目前成员的某些内容需要修订。例如，虽然支持将Echeneibothriine属Echeneibothrium和Phyllobothriine属Rhodobothrium和Anthocephalum以及Spongiobothrium纳入Rhinebothriidea，但不支持将Duplicibothtium和Caulobothrium纳入新目。组织切片和扫描电子显微镜的研究组的选定成员表明，bothridial柄的存在可能作为一个有效的形态特征，以消除该命令。这一类群仅限于板鳃类，似乎与泥鳅形目有着特殊的亲缘关系。新目至少包括13个属。序内关系被确定为不足够稳定，以证明在这个时候rhinebothriidean家庭的正式重组。(C)2008年澳大利亚寄生虫学会由爱思唯尔有限公司出版。保留所有权利。
The polyphyletic nature of the tapeworm order Tetraphyllidea Carus, 1863 is addressed in part with the establishment of the new order Rhinebothriidea for a subset of the taxa formerly comprising the phyllobothriid subfamily Rhinebothriinae (Platyhelminthes: Eucestoda). Support for the order comes from Bayesian, maximum likelihood, and parsimony analyses of complete ssrDNA and partial (D1-D3) lsrDNA sequence data for 58 cestode species. These data consisted of novel data generated for 40 species in 15 genera of candidate rhinebothriines and the cathetocephalidean species Sanguilevator yearsleyi as well as comparable data taken from GenBank for an additional 18 cestode species in 17 genera. In total, the species analyzed consisted of two Catherocephalidea, two Litobothriidea, two Lecanicephalidea, three Proteocephalidea, and 49 Tetraphyllidea. The tetraphyllideans consisted of three Onchobothriidae, three Serendipidae, and 43 Phyllobothriidae (one Thysanocephalinae, one Echeneibothriinae, five Phyllobothriinae, 35 candidate Rhinebothriinae and the poorly known Spongiobothrium). This work suggests that some elements of current membership in the group are in need of revision. For example, while inclusion of the echeneibothriine genus Echeneibothrium and the phyllobothriine genera Rhodobothrium and Anthocephalum, and also Spongiobothrium, in the Rhinebothriidea is supported, inclusion of Duplicibothtium and Caulobothrium in the new order is not. Histological sections and scanning electron microscopy of selected members of the study group suggest that the presence of bothridial stalks may serve as an effective morphological feature to characterise the order. The group is restricted to elasmobranchs, and appears to hive a particular affinity for Myliobatiformes. The new order includes at least 13 genera. Intraordinal relationships were determined to be insufficiently stable to justify the formal reorganization of rhinebothriidean families at this time. (C) 2008 Australian Society for Parasitology Inc. Published by Elsevier Ltd. All rights reserved.