Proteomic characterization of a foraminiferal test’s organic matrix

Fiorella Prada, Liti Haramaty, Oded Livnah, Racheli Shaul, Sigal Abramovich, Tali Mass, Yair Rosenthal, Paul G. Falkowski · 2024

Read Proteomic characterization of a foraminiferal test’s organic matrix by Fiorella Prada, Liti Haramaty, Oded Livnah, Racheli Shaul, Sigal Abramovich, Tali Mass, Yair Rosenthal, Paul G. Falkowski (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11648905.txt.

Description

Fiorella Prada and co-authors catalog the proteins inside the shells of tiny sea creatures in this 2024 study. The creatures, foraminifera, build calcite shells that fossilize and record past ocean conditions. How they build those shells at the chemical level is poorly understood.

Using sensitive protein analysis, the team found 373 proteins bound in the shell of one large species. Most were acidic and rich in negatively charged parts. Proteins for moving calcium were present, while their magnesium counterparts were not. The authors propose that the cells first swallow seawater, then pump calcium into fresh pockets while magnesium leaks in slowly. That scheme would explain the shells' low magnesium levels.

Catalog record

CREATORFiorella Prada, Liti Haramaty, Oded Livnah, Racheli Shaul, Sigal Abramovich, Tali Mass, Yair Rosenthal, Paul G. Falkowski
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE35 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11648905

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