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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45873

Title: phylogenetic re-appraisal of the Family Liagoraceae sensu lato (Nemaliales, Rhodophyta) based on sequence analyses of the plastid genes
Authors: Showe‐Mei Lin;Conxi Rodríguez‐Prieto;John M. Huisman;Michael D. Guiry;Claude Payri Wendy A. Nelson;Shao‐Lun Liu
Contributors: 國立臺灣海洋大學:海洋生物研究所
Date: 2015
Issue Date: 2018-04-16T03:03:17Z
Publisher: Journal of Phycological
Abstract: Abstract: The marine red algal family Liagoraceae sensu lato is shown to be polyphyletic based on analyses of a combined rbcL and psaA data set and the pattern of carposporophyte development. Fifteen of eighteen genera analyzed formed a monophyletic lineage that included the genus Liagora. Nemalion did not cluster with Liagoraceae sensu stricto, and Nemaliaceae is reinstated, characterized morphologically by the formation of the primary gonimolobes by longitudinal divisions of the gonimoblast initial. Yamadaella and Liagoropsis, previously placed in the Dermonemataceae, are shown to be independent lineages and are recognized as two new families Yamadaellaceae and Liagoropsidaceae. Yamadaellaceae is characterized by two gonimoblast initials cut off bilaterally from the fertilized carpogonium and diffusely spreading gonimoblast filaments. Liagoropsidaceae is characterized by at least three gonimoblast initials cut off by longitudinal septa from the fertilized carpogonium. In contrast, Liagoraceae sensu stricto is characterized by a single gonimoblast initial cut off transversely or diagonally from the fertilized carpogonium. Reproductive features, such as diffuse gonimoblasts and unfused carpogonial branches following postfertilization, appear to have evolved on more than one occasion in the Nemaliales and are therefore not taxonomically diagnostic at the family level, although they may be useful in recognizing genera.
Relation: 51(3) 403-589
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45873
Appears in Collections:[海洋生物研究所] 期刊論文

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