Seasonality of archaeal proteorhodopsin and associated Marine Group IIb ecotypes (Ca. Poseidoniales) in the North Western Mediterranean Sea

Pereira，Olivier1,5; Hochart，Corentin1; Boeuf，Dominique2; Auguet，Jean Christophe3; Debroas，Didier4; Galand，Pierre E.1

2020

10.1038/s41396-020-00851-4

ISME Journal   影响因子和分区

1751-7362

1751-7370

The Archaea Marine Group II (MGII) is widespread in the world’s ocean where it plays an important role in the carbon cycle. Despite recent discoveries on the group’s metabolisms, the ecology of this newly proposed order (Candidatus Poseidoniales) remains poorly understood. Here we used a combination of time-series metagenome-assembled genomes (MAGs) and high-frequency 16S rRNA data from the NW Mediterranean Sea to test if the taxonomic diversity within the MGIIb family (Candidatus Thalassarchaeaceae) reflects the presence of different ecotypes. The MAGs’ seasonality revealed a MGIIb family composed of different subclades that have distinct lifestyles and physiologies. The vitamin metabolisms were notably different between ecotypes with, in some, a possible link to sunlight’s energy. Diverse archaeal proteorhodopsin variants, with unusual signature in key amino acid residues, had distinct seasonal patterns corresponding to changing day length. In addition, we show that in summer, archaea, as opposed to bacteria, disappeared completely from surface waters. Our results shed light on the diversity and the distribution of the euryarchaeotal proteorhodopsin, and highlight that MGIIb is a diverse ecological group. The work shows that time-series based studies of the taxonomy, seasonality, and metabolisms of marine prokaryotes is critical to uncover their diverse role in the ocean.

SCI

英语

NI期刊

其他

Agence Nationale de la Recherche (ANR)[ANR-14-CE02-0004-01]

Environmental Sciences & Ecology ; Microbiology

Ecology ; Microbiology

WOS:000599048100001

SPRINGERNATURE

2-s2.0-85097221034

Scopus

1.Sorbonne Universités,CNRS,Laboratoire d’Ecogéochimie des Environnements Benthiques (LECOB),Observatoire Océanologique,Banyuls sur Mer,France
2.Daniel K. Inouye Center for Microbial Oceanography,Research and Education,School of Ocean and Earth Science and Technology,University of Hawai‘i at Mānoa,Honolulu,HI,United States,Honolulu,96822,United States
3.MARBEC,Université de Montpellier,CNRS,Ifremer,IRD,Montpellier,France,Montpellier,France
4.Université Clermont Auvergne,CNRS,Laboratoire Microorganismes: Genome et Environnement,Clermont-Ferrand,63000,France
5.Shenzhen Key Laboratory of Marine Archaea Geo-Omics,Southern University of Science and Technology,Shenzhen,China

Pereira，Olivier,Hochart，Corentin,Boeuf，Dominique,et al. Seasonality of archaeal proteorhodopsin and associated Marine Group IIb ecotypes (Ca. Poseidoniales) in the North Western Mediterranean Sea[J]. ISME Journal,2020.

Pereira，Olivier,Hochart，Corentin,Boeuf，Dominique,Auguet，Jean Christophe,Debroas，Didier,&Galand，Pierre E..(2020).Seasonality of archaeal proteorhodopsin and associated Marine Group IIb ecotypes (Ca. Poseidoniales) in the North Western Mediterranean Sea.ISME Journal.

Pereira，Olivier,et al."Seasonality of archaeal proteorhodopsin and associated Marine Group IIb ecotypes (Ca. Poseidoniales) in the North Western Mediterranean Sea".ISME Journal (2020).