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9 results for “iron enrichment”
Model output associated with Bucciarelli et al. "Western Indian subantarctic phytoplankton blooms fertilized by iron-enriched Agulhas water"
<p> Annual mean sea surface elevation (zeta), surface chlorophyll (chl), surface DFE (fe0), 500 m DFE (fe500), surface salinity (salt0) and 500 m salinity (salt500) from CROCO PISCES ocean model for two simulations (reference ASAP2 and NAM without Fe sources along African margins).This is associated with publication: Bucciarelli et al. "Iron-enriched Agulhas waters fertilise the Indian Subantarctic Zone"</p>
Data from: Assessing the effects of iron enrichment across holobiont compartments reveals reduced microbial nitrogen fixation in the Red Sea coral Pocillopora verrucosa
The productivity of coral reefs in oligotrophic tropical waters is sustained by an efficient uptake and recycling of nutrients. In reef-building corals, the engineers of these ecosystems, this nutrient recycling is facilitated by a constant exchange of nutrients between the animal host and endosymbiotic photosynthetic dinoflagellates (zooxanthellae), bacteria, and other microbes. Due to the complex interactions in this so-called coral holobiont, it has proven difficult to understand the environmental limitations of productivity in corals. Among others, the micronutrient iron has been proposed to limit primary productivity due to its essential role in photosynthesis and bacterial processes. Here, we tested the effect of iron enrichment on the physiology of the coral Pocillopora verrucosa from the central Red Sea during a 12-day experiment. Contrary to previous reports, we did not see an increase in zooxanthellae population density or gross photosynthesis. Conversely, respiration rates were significantly increased, and microbial nitrogen fixation was significantly decreased. Taken together, our data suggest that iron is not a limiting factor of primary productivity in Red Sea corals. Rather, increased metabolic demands in response to iron enrichment, as evidenced by increased respiration rates, may reduce carbon (i.e., energy) availability in the coral holobiont, resulting in reduced microbial nitrogen fixation. This decrease in nitrogen supply in turn may exacerbate the limitation of other nutrients, creating a negative feedback loop. Thereby, our results highlight that the effects of iron enrichment appear to be strongly dependent on local environmental conditions and ultimately may depend on the availability of other nutrients.
Effects of Lactoferrin-enriched Whey on Iron Status in Females
ClinicalTrials.gov study NCT06232642. IPD Sharing: YES. Countries: 1. Publications: 24.
Assessing the Effect of a Mineral-enriched Powder on Iron Deficiency in Women of Reproductive Age
ClinicalTrials.gov study NCT05990166. IPD Sharing: NO. Countries: 1. Publications: 8.
Data from: Assessing the effects of iron enrichment across holobiont compartments reveals reduced microbial nitrogen fixation in the Red Sea coral Pocillopora verrucosa
Open the record for dataset details and reuse information.
Iron Absorption From Iron Enriched Aspergillus Oryzae in Females Using Stable Isotope Methodology
ClinicalTrials.gov study NCT03586245. IPD Sharing: NO. Countries: 0. Publications: 1.
Longitudinal transcriptomic analysis reveals persistent enrichment of iron homeostasis and erythrocyte function pathways in severe COVID-19 ARDS
GEO Series GSE273149. Homo sapiens. 49 samples. Type: Expression profiling by high throughput sequencing.
Different enrichment patterns of pedogenic magnetic particles modulated by primary iron-phosphorous input
<p>Data supporting this research are available for people who engage in scientific research. Note that the data can not be used for any commercial activities.</p>
Iron Absorption From Iron-enriched Aspergillus Oryzae
ClinicalTrials.gov study NCT03156712. IPD Sharing: NO. Countries: 1. Publications: 0.
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