Related Experiment Video
Updated: Feb 23, 2026
07:20
Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
Published on: December 30, 2021
4.3K
Altererythrobacter deserti sp. nov., isolated from desert soil
Zheng-Fei Yan1, Pei Lin1, Kyung-Hwa Won1
1Department of Oriental Medicinal Material and Processing, College of Life Science, Kyung Hee University Global Campus, 1732 Deokyoungdae-ro, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
International Journal of Systematic and Evolutionary Microbiology
|September 8, 2017
Summary
A novel bacterium, Altererythrobacter deserti, was identified from desert soil. This research details its unique characteristics and phylogenetic placement within the Altererythrobacter genus.
Area of Science:
- Microbiology
- Bacteriology
- Environmental Science
Background:
- The genus Altererythrobacter comprises bacteria with diverse environmental origins.
- Understanding microbial diversity in arid ecosystems is crucial for ecological studies.
Purpose of the Study:
- To characterize a novel bacterial isolate from desert soil.
- To determine the phylogenetic and taxonomic position of the novel bacterium.
Main Methods:
- Isolation and cultivation of bacteria from desert soil.
- 16S rRNA gene sequence analysis for phylogenetic identification.
- DNA-DNA hybridization and chemotaxonomic analyses for species delineation.
Main Results:
- A novel Gram-stain-negative, aerobic bacterium, strain THG-S3T, was isolated.
- Phylogenetic analysis showed highest similarity to Altererythrobacter rigui (99.0%).
- DNA-DNA hybridization values and chemotaxonomic data supported its classification as a new species.
Conclusions:
- Strain THG-S3T represents a novel species within the genus Altererythrobacter.
- The proposed name for this new species is Altererythrobacter deserti.
- This finding expands the known diversity of the Altererythrobacter genus in desert environments.
More Related Videos
Related Concept Videos
01:21Hyperthermophilic Bacteria
627
Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their...
627
01:27Diversity of Archaea III
375
Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like...
375
01:30Diversity of Archaea I
737
Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
737
01:26Bacterial Phylum Bacteroidota
728
The phylum Bacteroidota includes over 700 species classified into four primary orders: Bacteroidales, Cytophagales, Flavobacteriales, and Sphingobacteriales. These gram-negative, non-sporulating rods exhibit saccharolytic capabilities and can be aerobic or fermentative, encompassing obligate aerobes, facultative aerobes, and obligate anaerobes. Many species display gliding motility, though some are nonmotile or use flagella. The genus Bacteroides is well-studied due to its significant role in...
728
01:29Diversity of Archaea IV
523
Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist...
523
01:28Carbon-dioxide Fixation
765
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
765