Special Issue "Biomineralization in Prokaryotes and Eukaryotes"

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Biomineralization and Biominerals".

Deadline for manuscript submissions: 29 February 2024 | Viewed by 612

Special Issue Editors

Centro Brasileiro de Pesquisas Físicas—CBPF, Av. Xavier Sigaud 150, Urca, Rio de Janeiro 22290-180, Brazil
Interests: magnetic orientation; magnetism; light-dependent magnetoreception; electromagnetism; biological physics
Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro - UFRJ, Rio de Janeiro 21941-902, RJ, Brazil
Interests: environmental microbiology; magnetotactic microorganisms; magnetosomes; biomineralization; biotechnology
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Special Issue Information

Dear Colleagues,

Biomineralization is the synthesis of minerals based on the metabolism of cells, which results in intra- or extracellular crystals. This process is common in the microbial world but not restricted to microorganisms. Two types of biomineralization are known: controlled and induced. In controlled biomineralization, unique genes encode the proteic machinery used to sequester metallic ions and control the mineral precipitation with well-defined crystal growth behaviors. Magnetite biomineralization in magnetotactic bacteria is the most studied process of controlled biomineralization. The genes involved in the process are well-identified, at least for certain bacterial species. However, the influence of other aspects of cellular metabolism in the process are still under investigation. Induced biomineralization is the extracellular production of minerals based on the interaction of cellular metabolic products and the surrounding medium. In this case, the participation of extracellular polymeric substances produced by the cells helps to chelate metal ions and provide nucleation sites for mineral precipitation and growth. Minerals formed by induced biomineralization include magnetite, vaterite, calcite and aragonite, among others. The present Special Issue aims to update our current knowledge concerning biomineralization in microorganisms, including, but not limited to: magnetotactic bacteria and eukaryotes, biomineralized magnetic nanoparticles, induced biomineralization of calcium carbonates, the effect of biomineralization on the geochemical cycles of calcium and iron, etc. 

Dr. Daniel Acosta-Avalos
Dr. Fernanda Abreu
Guest Editors

Manuscript Submission Information

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  • magnetosomes
  • magnetotactic microorganisms
  • biomineralized iron oxides
  • biomineralized iron sulfides
  • extracellular biomineralization
  • calcium carbonate and phosphates induced biomineralization
  • silicates

Published Papers (1 paper)

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Global Crystallographic Texture of Pyrite in Fossil Wood (Jurassic, Oryol Region, Russia)
Minerals 2023, 13(8), 1050; https://doi.org/10.3390/min13081050 - 08 Aug 2023
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Many works are devoted to the study of the crystallographic texture of primary skeletal minerals of animals. But how the directions of mineral crystals that replace the organic matter in the fossil state are oriented is unknown. Here we investigated the crystallographic texture [...] Read more.
Many works are devoted to the study of the crystallographic texture of primary skeletal minerals of animals. But how the directions of mineral crystals that replace the organic matter in the fossil state are oriented is unknown. Here we investigated the crystallographic texture of pyrite grown on an organic matrix and without it. Jurassic pyritized wood (Middle Jurassic, Callovian) was studied by the neutron diffraction method. The global crystallographic texture of pyrite in nodules and fossil wood is compared. It was found that in both cases, the isoline patterns of pole figures and texture sharpness are similar to the same characteristics of abiogenic calcite. But the orientations of pyrite crystals in wood are more ordered, the isolines are closer, and the regions of maximum pole density are wider. That is, the pyrite crystals that replaced the petrified wood are more ordered. This was influenced by the organic matrix on which the crystals grew. Repetition of a fossil mollusk shell shape without using its shell as a matrix for crystal growth does not lead to an increase in the crystallographic texture sharpness. This is illustrated by an example of the inner core calcite shell of the gastropod mollusk Bellerophon sp. Full article
(This article belongs to the Special Issue Biomineralization in Prokaryotes and Eukaryotes)
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