Basin-scale biogeography of Prochlorococcus and SAR11 ecotype replication.

ABSTRACT: Establishing links between microbial diversity and environmental processes requires resolving the high degree of functional variation among closely related lineages or ecotypes. Here, we implement and validate an improved metagenomic approach that estimates the spatial biogeography and environmental regulation of ecotype-specific replication patterns (R_Obs) across ocean regions. A total of 719 metagenomes were analyzed from meridional Bio-GO-SHIP sections in the Atlantic and Indian Ocean. Accounting for sequencing bias and anchoring replication estimates in genome structure were critical for identifying physiologically relevant biological signals. For example, ecotypes within the dominant marine cyanobacteria Prochlorococcus exhibited distinct diel cycles in R_Obs that

SUBMITTER: Larkin AA 

PROVIDER: S-EPMC9589681 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature