A Description of Biremis panamae sp. nov., a New Diatom Species from the Marine Littoral, with an Account of the Phylogenetic Position of Biremis D.G. Mann et E.J. Cox (Bacillariophyceae)

Here we present a formal description of Biremis panamae Barka, Witkowski et Weisenborn sp. nov., which was isolated from the marine littoral environment of the Pacific Ocean coast of Panama. The description is based on morphology (light and electron microscopy) and the rbcL, psbC and SSU sequences o...

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Bibliographic Details
Published in:PloS one 2014-12, Vol.9 (12), p.e114508-e114508
Main Authors: Witkowski, Andrzej, Barka, Frederik, Mann, David G, Li, Chunlian, Weisenborn, Jascha L F, Ashworth, Matt P, Kurzydłowski, Krzysztof J, Zgłobicka, Izabela, Dobosz, Sławomir
Format: Article
Language:English
Subjects:
Bacillariophyceae
Bacillariophyta
Base Sequence
Biology and Life Sciences
Chloroplasts
Chloroplasts - physiology
Deoxyribonucleic acid
Diatoms - classification
Diatoms - genetics
Diatoms - isolation & purification
DNA
Earth Sciences
Electron microscopy
Littoral environments
Morphology
Navicula
Neidium
New species
Nitzschia
Nucleotide sequence
Pacific Ocean
Panama
Photosystem II Protein Complex - genetics
Phylogenetics
Phylogeny
Physical characteristics
Pinnularia
Ribulose-Bisphosphate Carboxylase - genetics
Scholarly publishing
Scoliopleura
Sequence Analysis, DNA
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Summary:Here we present a formal description of Biremis panamae Barka, Witkowski et Weisenborn sp. nov., which was isolated from the marine littoral environment of the Pacific Ocean coast of Panama. The description is based on morphology (light and electron microscopy) and the rbcL, psbC and SSU sequences of one clone of this species. The new species is included in Biremis due to its morphological features; i.e. two marginal rows of foramina, chambered striae, and girdle composed of numerous punctate copulae. The new species also possesses a striated valve face which is not seen in most known representatives of marine littoral Biremis species. In this study we also present the relationship of Biremis to other taxa using morphology, DNA sequence data and observations of auxosporulation. Our results based on these three sources point to an evolutionary relationship between Biremis, Neidium and Scoliopleura. The unusual silicified incunabular caps present in them are known otherwise only in Muelleria, which is probably related to the Neidiaceae and Scoliotropidaceae. We also discuss the relationship between Biremis and the recently described Labellicula and Olifantiella.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0114508