The ultrastructure of Bathycoccus gen. nov. and B. prasinos sp. nov., a non-motile picoplanktonic alga (Chlorophyta, Prasinophyceae) from the Mediterranean and Atlantic

Eikrem, Wenche; Throndsen, Jahn

doi:10.2216/i0031-8884-29-3-344.1

Cited by 75 publications

(59 citation statements)

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“…Compared to the EUB338 probe, the amount of cells labelled by CYA664 was limited, which is probably due to mismatches with some 16S rRNA plastid sequences. These 3 probes hybridised picoeukaryotes often as a single dot, which indicates the presence of a unique plastid and/or mitochondrion, as has frequently been described for these tiny cells (Eikrem & Thronsen 1990, Chretiennot-Dinet et al 1995.…”

Section: Resultsmentioning

confidence: 59%

Hybridisation of picoeukaryotes by eubacterial probes is widespread in the marine environment

Biegala¹,

Cuttle²,

Mary³

et al. 2005

Aquat. Microb. Ecol.

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Section: Resultsmentioning

confidence: 59%

Hybridisation of picoeukaryotes by eubacterial probes is widespread in the marine environment

Biegala¹,

Cuttle²,

Mary³

et al. 2005

Aquat. Microb. Ecol.

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“…Sequences related to Micromonas have been detected in the North Atlantic near 60ЊN (Díez et al 2001b), pointing out the ubiquity of this genus in temperate waters. Bathycoccus was initially described from a culture isolated at the bottom of the euphotic zone in the Mediterranean Sea (Eikrem and Throndsen 1990) and has been little recorded since. Ostreococcus, the smallest free living eukaryote (Courties et al 1994), was initially isolated from a coastal Mediterranean Sea lagoon.…”

Section: Discussionmentioning

confidence: 99%

Composition and temporal variability of picoeukaryote communities at a coastal site of the English Channel from 18S rDNA sequences

Romari

Vaulot

2004

Limnology & Oceanography

191

195

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We analyzed picoeukaryote assemblages at a French coastal site of the English Channel by sequencing cloned eukaryotic 18S rRNA genes in eight genetic libraries constructed from environmental samples (seven coastal, one estuarine) collected at different periods of the year. Eight hundred clones were examined by amplified restriction fragment length polymorphism (RFLP) using the restriction enzyme HaeIII. The coverage value calculated from the relative distribution of RFLP types was low, indicating that the library diversity was not entirely recovered. A variable region of the rRNA gene was partially sequenced (550 bases) and analyzed for 397 clones. Thirty-two clones were affiliated with metazoans. Of the remaining clones, 132 were affiliated to algal classes (especially Prasinophyceae, Cryptophyceae, Dinophyceae, and Prymnesiophyceae) and 107 to known heterotrophic groups (Cercozoa, choanoflagellates, stramenopiles, and ciliates). One hundred three sequences fell into uncultivated groups of stramenopiles (43 clones) and alveolates (60 clones). We also found two potentially novel eukaryotic lineages, represented by 9 and 14 clones, respectively, not belonging to any known eukaryotic group. The overall composition of the picoeukaryote community remained fairly stable at the class/division level except during the early summer diatom bloom, when groups such as the Cryptophyceae and the ciliates completely disappeared. However, at a finer taxonomic level (corresponding to 98% sequence identity), the majority of the operational taxonomic units (OTU) were only observed once.

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“…In contrast, all Bathycoccus sequences are grouped in a homogeneous clade , even with the addition of new strains isolated recently from different areas (Moreau, unpublished). The ecological importance of Bathycoccus is probably overlooked (Johnson & Sieburth, 1982;Eikrem & Throndsen, 1990), but it is sporadically found in clone library studies where it can even be dominant (Marie et al, 2006).…”

Section: B Ecology and Molecular Evolution Of Oceanic Picoplanktonicmentioning

confidence: 99%

Phylogeny and Molecular Evolution of the Green Algae

Leliaert

Smith

Moreau

et al. 2012

Critical Reviews in Plant Sciences

759

655

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The ultrastructure of Bathycoccus gen. nov. and B. prasinos sp. nov., a non-motile picoplanktonic alga (Chlorophyta, Prasinophyceae) from the Mediterranean and Atlantic

Cited by 75 publications

References 0 publications

Hybridisation of picoeukaryotes by eubacterial probes is widespread in the marine environment

Hybridisation of picoeukaryotes by eubacterial probes is widespread in the marine environment

Composition and temporal variability of picoeukaryote communities at a coastal site of the English Channel from 18S rDNA sequences

Phylogeny and Molecular Evolution of the Green Algae

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