Related Experiment Video
Updated: Feb 28, 2026
08:56
Live-Cell Imaging of the Life Cycle of Bacterial Predator Bdellovibrio bacteriovorus using Time-Lapse Fluorescence Microscopy
Published on: May 8, 2020
9.1K
[Bdellovibrio and like organisms: outstanding predators!]
Édouard Jurkevitch1, Stéphan Jacquet2
1Faculté d'Agriculture, de l'Alimentation et de l'Environnement, Université Hébraïque de Jérusalem, Rehovot, Israël.
Medecine Sciences : M/S
|June 15, 2017
Summary
Bdellovibrio And Like Organisms (BALO) are obligate predatory bacteria with unique life cycles. This survey explores their complex predatory interactions, ecological roles, and diverse applications.
Area of Science:
- Microbiology
- Bacteriology
- Ecology
Background:
- Obligate predatory bacteria, Bdellovibrio And Like Organisms (BALO), require Gram-negative prey for their life cycle.
- BALO exhibit complex predatory interactions influencing bacterial communities.
- Understanding BALO dynamics is crucial for ecological and applied research.
Purpose of the Study:
- To survey the ecological and cellular features of BALO.
- To explore the unique life cycles of BALO, including epibiotic and periplasmic modes.
- To review the applications of BALO in medical, agricultural, and environmental fields.
Main Methods:
- Literature review and synthesis of existing research on BALO.
- Analysis of BALO life cycles, including growth and reproduction strategies.
- Examination of genetic, protein, and signaling characteristics.
Main Results:
- BALO possess distinct epibiotic and periplasmic life cycles.
- The periplasmic cycle involves unique gene/protein patterns and signaling.
- BALO interactions significantly impact microbial community structure.
Conclusions:
- BALO represent a diverse group with specialized predatory mechanisms.
- Their unique biology offers potential for novel biotechnological applications.
- Further research into BALO can unlock significant environmental and medical benefits.
Related Concept Videos
01:26Bacterial Phylum Proteobacteria
1.1K
Proteobacteria, one of the largest and most diverse bacterial phyla, encompasses a wide range of Gram-negative bacteria distinguished by their outer membrane composed of lipopolysaccharides. These microorganisms exhibit various metabolic capabilities, including phototrophy, chemolithotrophy, and heterotrophy, and thrive in diverse environments from soil to aquatic systems and host-associated niches. The phylum is divided into six classes: Alphaproteobacteria, Betaproteobacteria,...
1.1K
01:27Diversity of Protists II
1.5K
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
1.5K
01:15Diversity of Protists I
1.6K
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
1.6K
01:27Diversity of Protists III
1.4K
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,...
1.4K
01:26Bacterial Phylum Verrucomicrobiota
629
The phylum Verrucomicrobiota comprises at least four characterized orders, with most species classified within the order Verrucomicrobiotales. Members of this phylum are either aerobic or facultatively aerobic, with the ability to ferment sugars. A notable exception is the genus Methylacidiphilum, which consists of aerobic methanotrophs. Additionally, some Verrucomicrobiota establish symbiotic relationships with protists. These bacteria are widely distributed across various environments,...
629
01:18Other Unique Bacteria
508
Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic...
508