Draft Genome Sequence of Pedobacter sp. Strain Hv1, an Isolate from Medicinal Leech Mucosal Castings

Brittany M Ott1, Lidia Beka2, Joerg Graf3

  • 1Department of Biology, West Virginia University, Morgantown, West Virginia, USA.

Genome Announcements
|December 19, 2015
PubMed

Insights

Researchers sequenced the genome of Pedobacter sp. Hv1, a bacterium found in medicinal leeches (Hirudo verbana). This bacterium may play a role in symbiont transmission via leech mucosal sheds.

Area of Science:

  • Microbiology
  • Genomics
  • Symbiosis Research

Background:

  • The bacterium Pedobacter sp. Hv1 was isolated from the mucosal castings of the medicinal leech, Hirudo verbana.
  • Mucosal sheds from Hirudo verbana are known to facilitate horizontal symbiont transmission.
  • Understanding the genetic makeup of associated bacteria is crucial for symbiosis research.

Purpose of the Study:

  • To report the draft genome sequence of Pedobacter sp. strain Hv1.
  • To provide genomic resources for studying the bacterium's role in leech symbiosis.

Main Methods:

  • Isolation of Pedobacter sp. Hv1 from Hirudo verbana mucosal castings.
  • Whole-genome sequencing of the isolated Pedobacter sp. Hv1 strain.
  • Bioinformatic analysis of the resulting draft genome sequence.

Main Results:

  • A draft genome sequence for Pedobacter sp. Hv1 was successfully generated.
  • The genome size was determined to be approximately 4.9 Mbp.
  • The genomic data provides a foundation for further functional and ecological studies.

Conclusions:

  • The availability of the Pedobacter sp. Hv1 genome sequence is a significant resource.
  • This genomic information will aid in elucidating the bacterium's contribution to horizontal symbiont transmission in Hirudo verbana.
  • Further research can now explore the specific genes and pathways involved in the host-symbiont interaction.

Related Concept Videos

Evolution of Microbial Genome01:08

Evolution of Microbial Genome

Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
45
Genomic DNA in Prokaryotes00:46

Genomic DNA in Prokaryotes

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...
50.5K
Bacterial Phylum Verrucomicrobiota01:26

Bacterial Phylum Verrucomicrobiota

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,...
705
Bacterial Phylum Tenericutes01:24

Bacterial Phylum Tenericutes

The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
584
Bacterial Phylum Proteobacteria01:26

Bacterial Phylum Proteobacteria

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,...
1.2K