Taxonomy and molecular phylogeny of three marine benthic species of Haslea (Bacillariophyceae), with transfer of two species to Navicula

doi:10.1080/0269249X.2017.1401008

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	Taxonomy and molecular phylogeny of three marine benthic species of Haslea (Bacillariophyceae), with transfer of two species to Navicula
	Li, Yuhang 1; Chen, Xumiao 1; Sun, Zhongmin 1,3; Xu, Kuidong 1,2,3
	2017
发表期刊	DIATOM RESEARCH
ISSN	0269-249X
卷号	32 期号:4 页码:451-463
摘要	Using light, scanning and transmission electron microscopy, and SSU rDNA and rbcL gene sequencing, we investigated three marine benthic diatoms: Haslea avium Tiffany, Herwig et Sterrenburg; H. feriarum Tiffany et Sterrenburg and H. tsukamotoi Sterrenburg et Hinz collected from intertidal sediments in China. These are the first records of these three species from China. Our observations showed that the typical valve structure of Haslea, with an inner basal layer and an outer tegumental layer, and walls (saepes sensu Sterrenburg et al.) between them is not present in either H. tsukamotoi or H. avium. Moreover, the two species possess small helictoglossae, an internal apical thickened area and hooked terminal fissures reaching to the valve mantle, suggesting a close relationship with Navicula tripunctata, the type species of Navicula s.s. In molecular phylogenetic analyses, Haslea was polyphyletic, being divided into two separate clades: H. feriarum belonged to a clade that comprised only Haslea species, including the type H. ostrearia, while H. tsukamotoi and H. avium were within the Navicula clade. Therefore, we propose transferring H. tsukamotoi and H. avium to Navicula and suggest that the presence of continuous longitudinal strips on the external valve surface is not a synapomorphy, but rather a homoplastic character for Haslea.
文章类型	Article
关键词	Benthic Diatoms Haslea Navicula New Combination China
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
DOI	10.1080/0269249X.2017.1401008
关键词[WOS]	DIATOMS ; BLUE ; GYROSIGMA ; MODELS ; SEA
收录类别	SCI
语种	英语
WOS研究方向	Marine & Freshwater Biology
项目资助者	Nanji Islands National Marine Natural Reserve Postdoctoral Research Funding(NJKJ-2015-005) ; National Programme on Global Change and Air-Sea Interaction(GASI-01-02-02-02)
WOS类目	Marine & Freshwater Biology
WOS记录号	WOS:000425688400005
出版者	TAYLOR & FRANCIS LTD
引用统计
文献类型	期刊论文
条目标识符	http://ir.qibebt.ac.cn/handle/337004/10610
专题	中国科学院青岛生物能源与过程研究所
通讯作者	Xu, Kuidong
作者单位	1.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China 3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Li, Yuhang,Chen, Xumiao,Sun, Zhongmin,et al. Taxonomy and molecular phylogeny of three marine benthic species of Haslea (Bacillariophyceae), with transfer of two species to Navicula[J]. DIATOM RESEARCH,2017,32(4):451-463.
APA	Li, Yuhang,Chen, Xumiao,Sun, Zhongmin,&Xu, Kuidong.(2017).Taxonomy and molecular phylogeny of three marine benthic species of Haslea (Bacillariophyceae), with transfer of two species to Navicula.DIATOM RESEARCH,32(4),451-463.
MLA	Li, Yuhang,et al."Taxonomy and molecular phylogeny of three marine benthic species of Haslea (Bacillariophyceae), with transfer of two species to Navicula".DIATOM RESEARCH 32.4(2017):451-463.