Detalls de la publicació.

Article

Any:2021
Autor(s):M. del Mar Aguilo-Feretjans, R. Bosch, R.J. Puxty, M. Latva, V. Zadjelovic, A. Chhun, D. Sousoni, M. Polin, D. Scanlan, J.A. Christie-Oleza
Títol:Pili allow dominant marine cyanobacteria to avoid sinking and evade predation
Revista:Nature Communications
ISSN:2041-1723
Volum:12
Número:1857
Pàgines:1
D.O.I.:10.1038/s41467-021-22152
Web:https://www.nature.com/articles/s41467-021-22152-w
Resum:

How oligotrophic marine cyanobacteria position themselves in the water column is currently unknown. The current paradigm is that these organisms avoid sinking due to their reduced size and passive drift within currents. Here, we show that one in four picocyanobacteria encode a type IV pilus which allows these organisms to increase drag and remain suspended at optimal positions in the water column, as well as evade predation by grazers. The evolution of this sophisticated floatation mechanism in these purely planktonic streamlined micro- organisms has important implications for our current understanding of microbial distribution in the oceans and predatorprey interactions which ultimately will need incorporating into future models of marine carbon flux dynamics.

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