Cosmopolitan geographic distribution of Phaeosaccion multiseriatum (Phaeosacciaceae, Phaeosacciophyceae), and description of P. westermeieri sp. nov. from Chile

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-20 DOI:10.1515/bot-2024-0004

Akira F. Peters, Liliana A. Muñoz, Niko R. Johansson, Anastasia Rizouli, Michael D. Guiry, Ga Youn Cho, Frithjof C. Küpper

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引用次数: 0

Abstract

The minute marine multicellular heterokont alga originally described as “Giraudyopsis stellifer” by P.J.L. Dangeard, nom. inval., from Atlantic France, was re-isolated by the germling emergence technique and classified according to psaA and psbC sequences. It is genetically similar (99–100 % identity) to Phaeosaccion multiseriatum R.A. Andersen, L. Graf et H.S. Yoon recently described from the NE Pacific, an ephemeral alga of wide geographical distribution. We isolated it also from substratum samples collected in Korea and the Falkland Islands, where it had not been reported previously. Two isolates of similar morphology from the coast of Chile had the same nuclear ribosomal SSU sequence but differed from P. multiseriatum and P. okellyi R.A. Andersen, L. Graf et H.S. Yoon from New Zealand in psaA and psbC sequences (3–4 % genetic distance). These two isolates are here described as Phaeosaccion westermeieri sp. nov.. Our isolations of P. multiseriatum and P. westermeieri are a further demonstration that the germling emergence technique can reveal microscopic multicellular benthic algae that are easily overlooked in the field.

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Phaeosaccion multiseriatum（Phaeosacciaceae，Phaeosacciophyceae）的世界性地理分布，以及来自智利的 P. westermeieri sp.

最初由 P.J.L. Dangeard（nom. inval.它与最近从东北太平洋描述的 Phaeosaccion multiseriatum R.A. Andersen、L. Graf et H.S. Yoon 在遗传学上相似（99-100 % 的相同度），后者是一种昙花一现的藻类，地理分布广泛。我们还从韩国和福克兰群岛采集的底层样本中分离到了这种藻类，而在这些地方以前还没有报道过这种藻类。智利海岸的两个形态相似的分离物具有相同的核核糖体 SSU 序列，但在 psaA 和 psbC 序列上与新西兰的 P. multiseriatum 和 P. okellyi R.A. Andersen, L. Graf et H.S. Yoon 不同（遗传距离为 3-4 %）。这两个分离物被描述为 Phaeosaccion westermeieri sp.我们分离到的P. multiseriatum和P. westermeieri进一步证明了芽苗出现技术可以发现在野外容易被忽视的微小多细胞底栖藻类。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.