SAR11 bacteria: the most abundant plankton in the oceans
SJ Giovannoni - Annual review of marine science, 2017 - annualreviews.org
SAR11 is a group of small, carbon-oxidizing bacteria that reach a global estimated
population size of 2.4× 1028 cells—approximately 25% of all plankton. They are found …
population size of 2.4× 1028 cells—approximately 25% of all plankton. They are found …
Prokaryotic life in the deep ocean's water column
The oceanic waters below a depth of 200 m represent, in terms of volume, the largest habitat
of the biosphere, harboring approximately 70% of the prokaryotic biomass in the oceanic …
of the biosphere, harboring approximately 70% of the prokaryotic biomass in the oceanic …
SAR11 bacteria have a high affinity and multifunctional glycine betaine transporter
SE Noell, SJ Giovannoni - Environmental Microbiology, 2019 - Wiley Online Library
Marine bacterioplankton face stiff competition for limited nutrient resources. SAR11, a
ubiquitous clade of very small and highly abundant Alphaproteobacteria, are known to …
ubiquitous clade of very small and highly abundant Alphaproteobacteria, are known to …
Conformational coupling of the sialic acid TRAP transporter HiSiaQM with its substrate binding protein HiSiaP
MF Peter, JA Ruland, Y Kim, P Hendricks… - Nature …, 2024 - nature.com
The tripartite ATP-independent periplasmic (TRAP) transporters use an extra cytoplasmic
substrate binding protein (SBP) to transport a wide variety of substrates in bacteria and …
substrate binding protein (SBP) to transport a wide variety of substrates in bacteria and …
Three-dimensional structure of the ultraoligotrophic marine bacterium “Candidatus Pelagibacter ubique”
X Zhao, CL Schwartz, J Pierson… - Applied and …, 2017 - Am Soc Microbiol
ABSTRACT SAR11 bacteria are small, heterotrophic, marine alphaproteobacteria found
throughout the oceans. They thrive at the low nutrient concentrations typical of open ocean …
throughout the oceans. They thrive at the low nutrient concentrations typical of open ocean …
Mechanistic model of nutrient uptake explains dichotomy between marine oligotrophic and copiotrophic bacteria
Marine bacterial diversity is immense and believed to be driven in part by trade-offs in
metabolic strategies. Here we consider heterotrophs that rely on organic carbon as an …
metabolic strategies. Here we consider heterotrophs that rely on organic carbon as an …
[HTML][HTML] Public goods and metabolic strategies
Highlights•Finite resources lead to tradeoffs during microbial growth.•Intracellular resource
allocation determines metabolic strategies.•Availability of extracellular resources determines …
allocation determines metabolic strategies.•Availability of extracellular resources determines …
Biochemical and structural characterization of the cyanophage‐encoded phosphate‐binding protein: implications for enhanced phosphate uptake of infected …
To acquire phosphorus, cyanobacteria use the typical bacterial ABC‐type phosphate
transporter, which is composed of a periplasmic high‐affinity phosphate‐binding protein …
transporter, which is composed of a periplasmic high‐affinity phosphate‐binding protein …
Niche differentiation within bacterial key-taxa in stratified surface waters of the Southern Pacific Gyre
One of the most hostile marine habitats on Earth is the surface of the South Pacific Gyre
(SPG), characterized by high solar radiation, extreme nutrient depletion and low productivity …
(SPG), characterized by high solar radiation, extreme nutrient depletion and low productivity …
Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe (II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and …
Natural-abundance measurements of nitrate and nitrite (NOx) isotope ratios (δ15N and
δ18O) can be a valuable tool to study the biogeochemical fate of NOx species in the …
δ18O) can be a valuable tool to study the biogeochemical fate of NOx species in the …