Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Minerals01:26

Minerals

768
Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
 
Major...
768
Cell Inclusions01:27

Cell Inclusions

468
Prokaryotic cells possess a variety of inclusions that play crucial roles in nutrient storage, metabolic processes, and environmental adaptation. These structures enable bacteria to thrive under fluctuating environmental conditions by storing essential resources and optimizing their metabolic efficiency.Carbon Storage: Poly-β-Hydroxybutyric Acid and Glycogen GranulesBacteria frequently store excess carbon in specialized granules. Poly-β-hydroxybutyric acid (PHB) granules are lipid...
468
Microbial Morphologies01:29

Microbial Morphologies

1.5K
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
1.5K
Biofilms01:29

Biofilms

730
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
730
Diversity of Protists III01:27

Diversity of Protists III

546
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
546
Green Algae01:21

Green Algae

410
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
410

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A phage-selective trigger hints at an SOS-independent mechanism of prophage induction by oxidative stress.

Chemical science·2025
Same author

A novel class of small-molecule inhibitors targeting bacteriophage infection.

RSC chemical biology·2025
Same author

Influence of Nanobubbles on the Early Stages of Calcium Carbonate Formation.

Crystal growth & design·2025
Same author

Morphology and ultrastructure of external sense organs of <i>Drosophila</i> larvae.

eLife·2025
Same author

Investigation of the structure and dynamics of amorphous calcium carbonate by NMR: stabilization by poly-aspartate and comparison to monohydrocalcite.

Physical chemistry chemical physics : PCCP·2025
Same author

A quinolone N-oxide antibiotic selectively targets Neisseria gonorrhoeae via its toxin-antitoxin system.

Nature microbiology·2025

Related Experiment Video

Updated: Nov 21, 2025

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
14:55

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

9.5K

Pseudo-Biomineralization: Complex Mineral Structures Shaped by Microbes.

Grażyna M Durak, Michael Laumann, Stefan L P Wolf

    ACS Biomaterials Science & Engineering
    |January 18, 2021
    PubMed
    Summary

    Bacteria exhibit diverse strategies when encountering calcification, including biofilm formation, random embedding, and a novel process termed pseudo-biomineralization, which offers control over mineral shape.

    Keywords:
    CaCO3 mineralizationbacteriabiofilmbiogenic calcitebiomineralizationevolution

    More Related Videos

    Calcium Carbonate Formation in the Presence of Biopolymeric Additives
    09:31

    Calcium Carbonate Formation in the Presence of Biopolymeric Additives

    Published on: May 14, 2019

    17.1K
    Characterization of Calcification Events Using Live Optical and Electron Microscopy Techniques in a Marine Tubeworm
    15:39

    Characterization of Calcification Events Using Live Optical and Electron Microscopy Techniques in a Marine Tubeworm

    Published on: February 28, 2017

    8.5K

    Related Experiment Videos

    Last Updated: Nov 21, 2025

    Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
    14:55

    Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

    Published on: June 24, 2018

    9.5K
    Calcium Carbonate Formation in the Presence of Biopolymeric Additives
    09:31

    Calcium Carbonate Formation in the Presence of Biopolymeric Additives

    Published on: May 14, 2019

    17.1K
    Characterization of Calcification Events Using Live Optical and Electron Microscopy Techniques in a Marine Tubeworm
    15:39

    Characterization of Calcification Events Using Live Optical and Electron Microscopy Techniques in a Marine Tubeworm

    Published on: February 28, 2017

    8.5K

    Area of Science:

    • Biogeochemistry
    • Microbiology
    • Evolutionary Biology

    Background:

    • Biomineralization is a biologically controlled mineral formation process crucial in life's history.
    • Understanding the genetic mechanisms of biomineralization is an ongoing challenge.
    • Prokaryotes, as early life forms, provide a model for investigating initial biomineralization processes.

    Purpose of the Study:

    • To investigate bacteria-mineral interactions under conditions mimicking early Earth environments.
    • To identify and categorize bacterial strategies in response to calcification.
    • To introduce and define pseudo-biomineralization as a transitional stage in mineral formation.

    Main Methods:

    • Utilized titration and gas diffusion systems to simulate primordial conditions.
    • Screened mineral-bacteria interactions using scanning electron microscopy.
    • Analyzed bacterial behavioral strategies during calcification experiments.

    Main Results:

    • Identified three main bacterial strategies: biofilm evasion, random embedding, and controlled mineral shaping (pseudo-biomineralization).
    • Pseudo-biomineralization was observed as an active process dependent on external calcifying conditions.
    • This process allows bacteria to influence mineral shape, creating structures resembling true biominerals.

    Conclusions:

    • Pseudo-biomineralization represents a novel, transitional stage in the evolution of biomineralization.
    • Bacterial interactions with minerals offer insights into the early development of biologically controlled mineralization.
    • Further research into pseudo-biomineralization can illuminate the origins of complex biomineral structures.