ArticleEcology and evolution2018
Compound-specific isotope analysis of benthic foraminifer amino acids suggests microhabitat variability in rocky-shore environments.
Article in Ecology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 21 citations in OpenAlex.
- Mixotrophy emerges as an optimal strategy in mature waters of the Amazon River plume.Communications biology · 2026Article
- A new era of isotope ecology: Nitrogen isotope ratio of amino acids as an approach for unraveling modern and ancient food web.Proceedings of the Japan Academy. Series B, Physical and biological sciences · 2023Article
- Trophic strategies of intertidal foraminifera explored with single-cell microbiome metabarcoding and morphological methods: What is on the menu?Ecology and evolution · 2022Article
- Amino acid nitrogen and carbon isotope data: Potential and implications for ecological studies.Ecology and evolution · 2022Article
- Kleptoplast distribution, photosynthetic efficiency and sequestration mechanisms in intertidal benthic foraminifera.The ISME journal · 2022Article
- 16S rRNA Gene Metabarcoding Indicates Species-Characteristic Microbiomes in Deep-Sea Benthic Foraminifera.Frontiers in microbiology · 2021Article
- Enrichment of intracellular sulphur cycle -associated bacteria in intertidal benthic foraminifera revealed by 16S and aprA gene analysis.Scientific reports · 2019Article
- Metabarcoding Insights Into the Trophic Behavior and Identity of Intertidal Benthic Foraminifera.Frontiers in microbiology · 2019Article
- Compound-specific isotope analysis of benthic foraminifer amino acids suggests microhabitat variability in rocky-shore environments.Ecology and evolution · 2018Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The abundance and biomass of benthic foraminifera are high in intertidal rocky-shore habitats. However, the availability of food to support their high biomass has been poorly studied in these habitats compared to those at seafloor covered by sediments. Previous field and laboratory observations have suggested that there is diversity in the food preferences and modes of life among rocky-shore benthic foraminifera. In this study, we used the stable nitrogen isotopic composition of amino acids to estimate the trophic position, trophic niche, and feeding strategy of individual foraminifera species. We also characterized the configuration and structure of the endobiotic microalgae in foraminifera using transmission electron microscopy, and we identified the origin of endobionts based on nucleotide sequences. Our results demonstrated a large variation in the trophic positions of different foraminifera from the same habitat, a reflection of endobiotic features and the different modes of life and food preferences of the foraminifera. Foraminifera did not rely solely on exogenous food sources. Some species effectively used organic matter derived from endobionts in the cell cytoplasm. The high biomass and species density of benthic foraminifera found in intertidal rocky-shore habitats are thus probably maintained by the use of multiple nitrogen resources and by microhabitat segregation among species as a consequence.
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