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We investigated the gene expression responses of Candidatus Pelagibacter ubique cultures to iron limitation. Differential expression was observed for genes in iron acquisition and incorporation operons. SfuC in particular was 16 times higher in iron-limited cultures and encodes a periplasmic iron-bi...
ORGANISM(S): Candidatus Pelagibacter ubique HTCC1062 
Deprivation of mineral nutrients causes significant retardation of plant growth. This slow growth is assumed to be associated with both nutrient specific transcriptional responses and additionally with common transcription patterns. In this study we adjusted the external supply of iron, potassium an...
ORGANISM(S): Arabidopsis thaliana 
Diatoms, which are responsible for up to 40% of the 45 to 50 billion metric tons of organic carbon production each year in the sea, are particularly sensitive to Fe stress. Here we describe the transcriptional response of the pennate diatom Phaeodactylum tricornutum to Fe limitation using a partial ...
ORGANISM(S): Phaeodactylum tricornutum 
Pelagomonas calceolata is a widely distributed marine alga and is among the most numerous eukaryotes on Earth. It is abundant in subsurface chlorophyll maximum layer (SCML) communities where it can be responsible for a majority of nitrate assimilation. Growth in these communities is frequently limit...
ORGANISM(S): Pelagomonas calceolata 
2026-02-24 | PXD065159 | Pride
Copper and iron are essential micronutrients for most living organisms because they participate as cofactors in biological processes including respiration, photosynthesis and oxidative stress protection. In many eukaryotic organisms, including yeast and mammals, copper and iron homeostases are highl...
ORGANISM(S): Arabidopsis thaliana 
Iron (Fe) is an essential element for life. Therefore, oceanic phytoplankton must adapt to the naturally low iron levels in modern oceans. Diatoms are a highly diverse and successful phytoplankton taxon that accounts for around 20% of global primary production. Previous studies have shown that they ...
ORGANISM(S): Thalassiosira oceanica Thalassiosira pseudonana 
2026-09-28 | PXD071344 | Pride
Effects of low light and iron/light co-limitation on Thalassiosira weissflogii
Vibrio vulnificus multiply rapidly in host tissues under iron overloaded conditions. To understand the effects of iron in the physiology of this pathogen we performed a genome-wide transcriptional analysis of this bacterium growing under three different iron concentrations. V.vulnificus CMCP6 cells ...
ORGANISM(S): Vibrio vulnificus CMCP6 
Eight-week old Arabidopsis plants were used to find out whether light has an effect on gene expression at low temperature.
ORGANISM(S): Arabidopsis thaliana 
The genome-wide transcriptional responses of the strictly aerobic -proteobacterium Gluconobacter oxydans 621H to oxygen limitation, to the absence of the cytochrome bc1 complex, and to low pH were studied using DNA microarray analyses. Oxygen limitation caused expression changes of 486 genes, repres...
ORGANISM(S): Gluconobacter oxydans 621H 
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