What does this research mean for the field?

During early summer stratification in Lake Ontario, bacterial communities remain stable across depths despite a distinct thermocline, whereas eukaryotic phototroph communities exhibit depth-resolved differences. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to explore the composition of prokaryotic communities during stratification in a large lake.

April 29, 2026Microbiology Resource Announcements0 citationsOpen Access

Depth-resolved partitioning of phytoplankton and bacterial communities in a seasonally stratified large lake

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KBKatelyn M. BrownUniversity of Windsor MRMark J. RozmarynowyczBowling Green State University TRTijana Glavina Del Rio

Key Points

This research aims to explore the composition of prokaryotic communities during stratification in a large lake.
Prokaryotic community composition analyzed using V4 16S rRNA gene sequencing.
Study conducted during early summer stratification in Lake Ontario.
Bacterial communities remained stable despite a distinct thermocline.
Chloroplast reads from eukaryotic phototrophs varied, contributing up to 33% of total reads at certain stations.

Abstract

ABSTRACT Prokaryotic community composition was determined through V4 16S rRNA gene sequencing during early summer stratification in Lake Ontario. Despite a distinct thermocline, bacterial communities were stable, although differences were observed in chloroplast reads attributed to eukaryotic phototrophs. Chloroplast reads contributed up to 33.0% (station 63 epilimnion) of total reads.

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Depth-resolved partitioning of phytoplankton and bacterial communities in a seasonally stratified large lake

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Abstract

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