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The upstream regulatory sequence of the light harvesting complex Lhcf2 gene of the marine diatom Phaeodactylum tricornutum enhances transcription in an orientation- and distance-independent fashion Russo, M.T.; Annunziata, R.; Sanges, R.; Ferrante, M.I.; Falciatore, A. (2015). The upstream regulatory sequence of the light harvesting complex Lhcf2 gene of the marine diatom Phaeodactylum tricornutum enhances transcription in an orientation- and distance-independent fashion. Marine Genomics 24(1): 69-79. https://dx.doi.org/10.1016/j.margen.2015.06.010 In: Marine Genomics. Elsevier: Amsterdam. ISSN 1874-7787; e-ISSN 1876-7478, meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 306943 [ aanvragen ]

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Trefwoorden

Marine Sciences Marine Sciences > Marine Genomics Maritime Industries > Blue Biotech Scientific Community Scientific Publication Marien/Kust

Author keywords

Diatoms; Gene expression; Promoter; Enhancer; Regulatory element

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Association of European marine biological laboratories, meer

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Auteurs		Top
Russo, M.T. Annunziata, R. Sanges, R.	Ferrante, M.I. Falciatore, A.

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Abstract

Diatoms are a key phytoplankton group in the contemporary ocean, showing extraordinary adaptation capacities to rapidly changing environments. The recent availability of whole genome sequences from representative species has revealed distinct features in their genomes, like novel combinations of genes encoding distinct metabolisms and a significant number of diatom-specific genes. However, the regulatory mechanisms driving diatom gene expression are still largely uncharacterized. Considering the wide variety of fields of study orbiting diatoms, ranging from ecology, evolutionary biology to biotechnology, it is thus essential to increase our understanding of fundamental gene regulatory processes such as transcriptional regulation. To this aim, we explored the functional properties of the 5′-flanking region of the Phaeodatylum tricornutum Lhcf2 gene, encoding a member of the Light Harvesting Complex superfamily and we showed that this region enhances transcription of a GUS reporter gene in an orientation- and distance-independent fashion. This represents the first example of a cis-regulatory sequence with enhancer-like features discovered in diatoms and it is instrumental for the generation of novel genetic tools and diatom exploitation in different areas of study.

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