Related Experiment Video
Updated: Mar 17, 2026

12:08
Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies
Published on: August 20, 2021
5.9K
Complete Genome Sequence of Sphingomonas sp. Strain NIC1, an Efficient Nicotine-Degrading Bacterium
Xiongyu Zhu1, Weiwei Wang1, Ping Xu1
1State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, China.
Genome Announcements
|July 16, 2016
Summary
Researchers sequenced the genome of Sphingomonas sp. strain NIC1, a bacterium that efficiently degrades nicotine. This genomic data offers insights into the bacterium's nicotine-degrading capabilities.
Area of Science:
- Microbiology
- Genomics
- Biochemistry
Background:
- Sphingomonas sp. strain NIC1 is known for its efficient nicotine degradation.
- Nicotine pollution is a growing environmental concern.
- Understanding microbial degradation pathways is crucial for bioremediation.
Purpose of the Study:
- To present the complete genome sequence of Sphingomonas sp. strain NIC1.
- To elucidate the genetic basis of nicotine degradation in this bacterium.
- To provide genomic resources for future research on nicotine biodegradation.
Main Methods:
- Isolation of Sphingomonas sp. strain NIC1 from tobacco leaves.
- Whole-genome sequencing of the bacterial strain.
- Bioinformatic analysis of the obtained genomic data.
Main Results:
- The complete genome sequence of Sphingomonas sp. strain NIC1 was determined.
- The genome comprises one circular chromosome and two circular plasmids.
- Genomic analysis revealed potential genes and pathways involved in nicotine metabolism.
Conclusions:
- The genome sequence provides a valuable resource for understanding nicotine degradation.
- This study lays the foundation for further investigations into the molecular mechanisms of nicotine biodegradation by Sphingomonas sp. strain NIC1.
- The findings could contribute to developing novel bioremediation strategies for nicotine-contaminated environments.
Related Concept Videos
Bacterial Phylum Spirochaetes
1.1K
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
1.1K
Sanger Sequencing
777.4K
DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
777.4K
Genomic DNA in Prokaryotes
50.1K
The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
Genomic Diversity in Bacteria
Although bacterial genomes are much...
50.1K
Modern Molecular Taxonomy
819
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
819

