Phaeodactylum Tricornutum as a Potential Phytoremediator of Sea and Fresh Waters

Listwan, Stanisław; Tokarek, Wiktor; Kleszcz, Krzysztof; Chowaniec, Magdalena; Porębska, Zofia; Krawczyk, Katarzyna; Bojko, Monika; Latowski, Dariusz

doi:10.11159/icepr18.147

Cited by 2 publications

(2 citation statements)

References 15 publications

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“…Additionally, we tested P. tricornutum growth in freshwater from polluted rivers [15]. We observed the reduction of growth of diatoms in polluted water comparing to control medium.…”

Section: The Second Face -Diatoms In Phytoremediationmentioning

confidence: 95%

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The Five Different Faces of the Diatoms

Bojko¹,

Latowski²

2019

Proceedings of the 5th World Congress on New Technologies

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Diatoms are one of the most important groups of photosynthetic microorganisms ubiquitous in all aquatic ecosystems. These inconspicuous organisms have achieved spectacular ecological success and furthermore, are used as model organisms in scientific research in the field of biochemistry and genetics. Their ecological success is provided by their ability to tolerance and fast acclimation to rapid changing environmental conditions. Ecological significance and the ease of culture facilitate investigation and attempts of explanation the mechanisms of processes occurring in these organisms on the physiological, biochemical and genetic level. This review describes a number of our investigation strategies and techniques to understand the phenomenon of these organisms. We focused on five important aspects of diatoms biology, presented here as the five different faces of these algae. Acclimation mechanisms to environmental factors (temperature, light, heavy metals, age of the culture), on physiological and biochemical level at short and long time exposition of diatoms, are presented as the first diatoms face. The second face presents diatoms as organisms useful for phytoremediation. The results of the molecular analyses of the selected enzymes involved in photoprotective mechanisms of diatoms is the third face of these algae. The significance of diatoms as a treasury of bioactive compounds (xanthophylls and long chain polyunsaturated fatty acids) important in human diet, is displayed as the fourth face. Finally, as the only one which has not been investigated in our laboratory, we describe the fifth face of diatomsthe rich source of biofuels. In our research we used two model diatoms species: Phaeodactylum tricornutum and Thalassiosira pseudonana.

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“…Additionally, we tested P. tricornutum growth in freshwater from polluted rivers [15]. We observed the reduction of growth of diatoms in polluted water comparing to control medium.…”

Section: The Second Face -Diatoms In Phytoremediationmentioning

confidence: 95%

“…Comparison of concentration of toxic elements in the medium at the beginning and at the end of P. tricornutum culture (modified Listwan et al 2018[15]). …”

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confidence: 99%

The Five Different Faces of the Diatoms

Bojko¹,

Latowski²

2019

Proceedings of the 5th World Congress on New Technologies

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PhaeoEpiView: an epigenome browser of the newly assembled genome of the model diatom Phaeodactylum tricornutum

Chaumier

Manirakiza

et al. 2023

Sci Rep

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Recent advances in DNA sequencing technologies particularly long-read sequencing, greatly improved genomes assembly. However, this has created discrepancies between published annotations and epigenome tracks, which have not been updated to keep pace with the new assemblies. Here, we used the latest improved telomere-to-telomere assembly of the model pennate diatom Phaeodactylum tricornutum to lift over the gene models from Phatr3, a previously annotated reference genome. We used the lifted genes annotation and newly published transposable elements to map the epigenome landscape, namely DNA methylation and post-translational modifications of histones. This provides the community with PhaeoEpiView, a browser that allows the visualization of epigenome data and transcripts on an updated and contiguous reference genome, to better understand the biological significance of the mapped data. We updated previously published histone marks with a more accurate peak calling using mono instead of poly(clonal) antibodies and deeper sequencing. PhaeoEpiView (https://PhaeoEpiView.univ-nantes.fr) will be continuously updated with the newly published epigenomic data, making it the largest and richest epigenome browser of any stramenopile. In the upcoming era of molecular environmental studies, where epigenetics plays a significant role, we anticipate that PhaeoEpiView will become a widely used tool.

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Phaeodactylum Tricornutum as a Potential Phytoremediator of Sea and Fresh Waters

Cited by 2 publications

References 15 publications

The Five Different Faces of the Diatoms

The Five Different Faces of the Diatoms

PhaeoEpiView: an epigenome browser of the newly assembled genome of the model diatom Phaeodactylum tricornutum

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