Related Experiment Video

Updated: Feb 13, 2026

Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
09:44

Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing

Published on: December 23, 2022

3.0K

Complete Genome Sequence of Listeria monocytogenes Strain MR310, Isolated from a Pastured-Flock Poultry Farm System

Michael J Rothrock1, Peixin Fan2,3, Kwangcheol C Jeong2,3

  • 1Egg Safety and Quality Research Unit, United States Department and Agriculture, Agricultural Research Service, U.S. National Poultry Research Center, Athens, Georgia, USA.

Genome Announcements
|March 10, 2018
PubMed

Insights

Understanding Listeria monocytogenes transmission from pasture-raised chickens is key to preventing foodborne illness. This study reports the complete genome sequence of Listeria monocytogenes MR310, an isolate from a pastured-flock system.

Area of Science:

  • Microbiology
  • Food Safety
  • Genomics

Background:

  • Listeria monocytogenes is a significant cause of foodborne illness.
  • Environmental transmission routes, particularly from pasture-raised poultry, require investigation to mitigate foodborne risks.

Purpose of the Study:

  • To investigate the transmission of Listeria monocytogenes from environmental sources in pasture-raised chicken systems to poultry products.
  • To provide genomic data for Listeria monocytogenes isolates from such systems.

Main Methods:

  • Isolation of Listeria monocytogenes from a pastured-flock poultry management system.
  • Whole-genome sequencing of the identified Listeria monocytogenes isolate (MR310).

Main Results:

  • The complete genome sequence of Listeria monocytogenes MR310 was successfully obtained.
  • This isolate originated from a pastured-flock poultry management system.

Conclusions:

  • The genome sequence of Listeria monocytogenes MR310 provides a valuable resource for understanding its epidemiology.
  • Further research utilizing this genomic data can help elucidate transmission pathways and inform control strategies against Listeria monocytogenes in poultry production.

More Related Videos

Listeria monocytogenes Infection of the Brain05:02

Listeria monocytogenes Infection of the Brain

Published on: October 2, 2018

13.3K
Experimental Infection with Listeria monocytogenes as a Model for Studying Host Interferon-γ Responses10:10

Experimental Infection with Listeria monocytogenes as a Model for Studying Host Interferon-γ Responses

Published on: November 16, 2016

14.3K

Related Concept Videos

Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
40.9K
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
37.3K
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
9.2K
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
11.9K
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes

The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
17.1K
Thermal Strain01:19

Thermal Strain

Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...
2.9K