Results 21 to 30 of about 8,230 (167)

Metabolite diversity among representatives of divergent Prochlorococcus ecotypes

open access: yesmSystems, 2023
The euphotic zone of the surface ocean contains distinct physical-chemical regimes that vary in light and nutrient concentrations as an inverse function of depth.
Elizabeth B. Kujawinski   +8 more
doaj   +1 more source

Strong genome-wide selection early in the evolution of Prochlorococcus resulted in a reduced genome through the loss of a large number of small effect genes.

open access: yesPLoS ONE, 2014
The smallest genomes of any photosynthetic organisms are found in a group of free-living marine cyanobacteria, Prochlorococcus. To determine the underlying evolutionary mechanisms, we developed a new method to reconstruct the steps leading to the ...
Zhiyi Sun, Jeffrey L Blanchard
doaj   +1 more source

Metagenomic Analysis Reveals Microbial Community Structure and Metabolic Potential for Nitrogen Acquisition in the Oligotrophic Surface Water of the Indian Ocean

open access: yesFrontiers in Microbiology, 2021
Despite being the world’s third largest ocean, the Indian Ocean is one of the least studied and understood with respect to microbial diversity as well as biogeochemical and ecological functions.
Yayu Wang   +22 more
doaj   +1 more source

In Situ Bacterioplankton Growth Partitioning by High-Resolution Metatranscriptomics. [PDF]

open access: yesEnviron Microbiol Rep
Bacterial growth and primary production are key ecological indicators, yet often measured in bulk. Using metatranscriptomics, the authors identify FtsZ expression to track dividing cells (A, B). Phylogenetic placement of transcripts (C–E) enables linking growth activity to specific taxa (E, F), potentially bridging bulk measurements with fine‐scale ...
Ignacio-Espinoza JC   +5 more
europepmc   +2 more sources

Heterotroph Interactions Alter Prochlorococcus Transcriptome Dynamics during Extended Periods of Darkness

open access: yesmSystems, 2018
Microbes evolve within complex ecological communities where biotic interactions impact both individual cells and the environment as a whole. Here we examine how cellular regulation in the marine cyanobacterium Prochlorococcus is influenced by a ...
Steven J. Biller   +3 more
doaj   +1 more source

T4 genes in the marine ecosystem: studies of the T4-like cyanophages and their role in marine ecology [PDF]

open access: yes, 2010
From genomic sequencing it has become apparent that the marine cyanomyoviruses capable of infecting strains of unicellular cyanobacteria assigned to the genera Synechococcus and Prochlorococcus are not only morphologically similar to T4, but are also ...
N. H. Mann (7607588)   +11 more
core   +1 more source

Prochlorococcus Cells Rely on Microbial Interactions Rather than on Chlorotic Resting Stages To Survive Long-Term Nutrient Starvation

open access: yesmBio, 2020
Many microorganisms produce resting cells with very low metabolic activity that allow them to survive phases of prolonged nutrient or energy stress. In cyanobacteria and some eukaryotic phytoplankton, the production of resting stages is accompanied by a ...
Dalit Roth-Rosenberg   +9 more
doaj   +1 more source

Diverse Subclade Differentiation Attributed to the Ubiquity of Prochlorococcus High-Light-Adapted Clade II

open access: yesmBio, 2022
Prochlorococcus is the key primary producer in marine ecosystems, and the high-light-adapted clade II (HLII) is the most abundant ecotype. However, the genomic and ecological basis of Prochlorococcus HLII in the marine environment has remained elusive ...
Wei Yan   +15 more
doaj   +1 more source

Seawater carbonate chemistry and growth of Prochlorococcus and Synechococcus strains

open access: yes, 2020
Anthropogenic CO2 emissions are projected to lower the pH of the ocean 0.3 units by 2100. Previous studies suggested that Prochlorococcus and Synechococcus, the numerically dominant phytoplankton in the oceans, have different responses to elevated CO2 ...
Knight, Margaret A, Morris, J Jeffrey
core   +1 more source

Linking Light-Dependent Life History Traits with Population Dynamics for Prochlorococcus and Cyanophage

open access: yesmSystems, 2020
Prochlorococcus cyanobacteria grow in diurnal rhythms driven by diel cycles. Their ecology depends on light, nutrients, and top-down mortality processes, including lysis by viruses.
David Demory   +6 more
doaj   +1 more source

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