Meta-omics reveals genetic flexibility of diatom nitrogen transporters in response to environmental changes. Busseni, G., Vieira, F. R. J., Amato, A., Pelletier, E., Pierella Karlusich, J. J., Ferrante, M. I., Wincker, P., Rogato, A., Bowler, C., Sanges, R., Maiorano, L., Chiurazzi, M., d'Alcalà , M. R., Caputi, L., & Iudicone, D. Molecular Biology and Evolution, July, 2019. doi abstract bibtex Diatoms (Bacillariophyta), one of the most abundant and diverse groups of marine phytoplankton, respond rapidly to the supply of new nutrients, often out-competing other phytoplankton. Herein, we integrated analyses of the evolution, distribution and expression modulation of two gene families involved in diatom nitrogen uptake (DiAMT1 and DiNRT2), in order to infer the main drivers of divergence in a key functional trait of phytoplankton. Our results suggest that major steps in the evolution of the two gene families reflected key events triggering diatom radiation and diversification. Their expression is modulated in the contemporary ocean by seawater temperature, nitrate and iron concentrations. Moreover, the differences in diversity and expression of these gene families throughout the water column hint at a possible link with bacterial activity. This study represents a proof-of-concept of how a holistic approach may shed light on the functional biology of organisms in their natural environment.
@article{busseni_meta-omics_2019,
title = {Meta-omics reveals genetic flexibility of diatom nitrogen transporters in response to environmental changes},
issn = {1537-1719},
doi = {10.1093/molbev/msz157},
abstract = {Diatoms (Bacillariophyta), one of the most abundant and diverse groups of marine phytoplankton, respond rapidly to the supply of new nutrients, often out-competing other phytoplankton. Herein, we integrated analyses of the evolution, distribution and expression modulation of two gene families involved in diatom nitrogen uptake (DiAMT1 and DiNRT2), in order to infer the main drivers of divergence in a key functional trait of phytoplankton. Our results suggest that major steps in the evolution of the two gene families reflected key events triggering diatom radiation and diversification. Their expression is modulated in the contemporary ocean by seawater temperature, nitrate and iron concentrations. Moreover, the differences in diversity and expression of these gene families throughout the water column hint at a possible link with bacterial activity. This study represents a proof-of-concept of how a holistic approach may shed light on the functional biology of organisms in their natural environment.},
language = {eng},
journal = {Molecular Biology and Evolution},
author = {Busseni, Greta and Vieira, Fabio Rocha Jimenez and Amato, Alberto and Pelletier, Eric and Pierella Karlusich, Juan J. and Ferrante, Maria I. and Wincker, Patrick and Rogato, Alessandra and Bowler, Chris and Sanges, Remo and Maiorano, Luigi and Chiurazzi, Maurizio and d'Alcalà, Maurizio Ribera and Caputi, Luigi and Iudicone, Daniele},
month = jul,
year = {2019},
pmid = {31259367},
pmcid = {PMC6805229},
pages = {msz157},
}
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Herein, we integrated analyses of the evolution, distribution and expression modulation of two gene families involved in diatom nitrogen uptake (DiAMT1 and DiNRT2), in order to infer the main drivers of divergence in a key functional trait of phytoplankton. Our results suggest that major steps in the evolution of the two gene families reflected key events triggering diatom radiation and diversification. Their expression is modulated in the contemporary ocean by seawater temperature, nitrate and iron concentrations. Moreover, the differences in diversity and expression of these gene families throughout the water column hint at a possible link with bacterial activity. 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Herein, we integrated analyses of the evolution, distribution and expression modulation of two gene families involved in diatom nitrogen uptake (DiAMT1 and DiNRT2), in order to infer the main drivers of divergence in a key functional trait of phytoplankton. Our results suggest that major steps in the evolution of the two gene families reflected key events triggering diatom radiation and diversification. Their expression is modulated in the contemporary ocean by seawater temperature, nitrate and iron concentrations. Moreover, the differences in diversity and expression of these gene families throughout the water column hint at a possible link with bacterial activity. 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