Listeria seeligeri

General Information

Listeria seeligeri is a fascinating microorganism within the genus Listeria. This species is particularly interesting due to its close genetic relationship to Listeria monocytogenes, a well-known pathogen. However, unlike L. monocytogenes, L. seeligeri is generally considered non-pathogenic to humans, making it a valuable subject for comparative studies in microbial pathogenicity and virulence mechanisms. One of the key characteristics of L. seeligeri is its ability to thrive in a variety of environments, including soil, water, and decaying vegetation. This adaptability is of significant interest to researchers studying microbial ecology and environmental microbiology. The organism's resilience and versatility in different habitats provide insights into the survival strategies of bacteria in diverse conditions. From a genetic perspective, L. seeligeri shares many homologous genes with L. monocytogenes, yet it lacks certain virulence factors that are critical for the pathogenicity of its relative. This makes L. seeligeri an excellent model for studying the genetic basis of virulence and for identifying potential targets for antimicrobial therapies. Researchers can leverage the genetic similarities and differences to understand how specific genes contribute to the pathogenicity of L. monocytogenes. Additionally, L. seeligeri has been utilized in the development of biosensors and biotechnological applications. Its non-pathogenic nature, combined with its genetic and physiological traits, makes it a suitable candidate for various industrial and environmental applications. For instance, its ability to produce certain enzymes and metabolites can be harnessed for bioremediation processes or the synthesis of valuable biochemicals. In summary, Listeria seeligeri is a microorganism of significant scientific interest due to its genetic relationship with pathogenic Listeria species, its environmental adaptability, and its potential applications in biotechnology. Its study not only enhances our understanding of microbial ecology and genetics but also contributes to the development of innovative solutions in public health and industry.

Listeria seeligeri is a species of the genus Listeria, which is notable for its ability to thrive in a variety of environments, including those with low temperatures. This psychrotrophic characteristic allows L. seeligeri to be found in refrigerated foods, making it a significant concern in food safety and public health. Its ability to grow at temperatures as low as 0°C distinguishes it from many other pathogenic bacteria, which typically require warmer conditions. This organism is particularly interesting due to its close genetic relationship with Listeria monocytogenes, the well-known pathogen responsible for listeriosis. While L. seeligeri is generally considered less virulent, it has been implicated in rare cases of human illness, particularly in immunocompromised individuals. This raises important questions about the potential for cross-contamination and the need for monitoring in food products. From a research perspective, Listeria seeligeri serves as a valuable model for studying the mechanisms of bacterial adaptation to cold environments and the genetic factors that contribute to its survival and growth under stress conditions. Understanding these mechanisms can provide insights into food preservation techniques and the development of strategies to mitigate the risks associated with foodborne pathogens. Additionally, the organism's unique metabolic capabilities, including its ability to utilize a range of carbon sources, make it a subject of interest in microbial ecology and biotechnology. Researchers are exploring its potential applications in bioremediation and the production of bioactive compounds, further highlighting its value beyond just being a food safety concern.

Taxonomy

Superkingdom: Bacteria

Phylum: Bacillota

Class: Bacilli

Order: Bacillales

Family: Listeriaceae

Genus: Listeria

Species: Listeria seeligeri

NCBI ID

1640

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/037/063/765/GCF_037063765.1_ASM3706376v1

File for sequence-based predictions:
GCF_037063765.1_ASM3706376v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

Source: gpt-4o-mini-2024-07-18

The organism Listeria seeligeri is a member of the genus Listeria, which is known for its clinical significance in human health. It is primarily associated with foodborne illnesses, particularly in immunocompromised individuals, pregnant women, and the elderly. Listeria seeligeri can cause listeriosis, a serious infection that can lead to severe complications such as meningitis, septicemia, and even fetal loss in pregnant women. This microorganism is often found in contaminated food products, including dairy, meats, and vegetables, highlighting its role as a pathogen in food safety. The pathogenicity of Listeria seeligeri is attributed to its ability to invade host cells and evade the immune response, allowing it to survive and replicate within the host. In terms of antimicrobial resistance, there is limited data on Listeria seeligeri specifically; however, its close relatives, such as Listeria monocytogenes, have shown resistance to certain antibiotics, raising concerns about treatment options for infections. While Listeria seeligeri is less commonly reported than Listeria monocytogenes, its potential to cause disease underscores the importance of monitoring and controlling its presence in food products. There are no widely recognized medical applications such as probiotics or vaccines specifically targeting Listeria seeligeri, but understanding its behavior and interactions with the human body is crucial for public health and safety measures.

Habitat and Ecological Niches

Source: gpt-4o-mini-2024-07-18

Listeria seeligeri is a bacterium commonly associated with various terrestrial and aquatic environments. This microorganism is primarily found in soil, water, and vegetation, particularly in areas where organic matter is abundant. It thrives in environments that are rich in nutrients, often linked to decaying plant material and animal waste, which provide the necessary substrates for its growth. In terms of ecological niches, Listeria seeligeri plays a significant role in the decomposition process, contributing to nutrient cycling within its habitat. Its ability to survive in a range of temperatures and pH levels allows it to adapt to various environmental conditions, making it a resilient organism in both natural and anthropogenic ecosystems. Notably, Listeria seeligeri is often found in association with food sources, particularly in dairy products and vegetables, where it can pose a risk to food safety. This bacterium can establish a symbiotic relationship with certain plants, aiding in the breakdown of organic matter, which in turn enhances soil fertility. However, it can also be pathogenic, leading to concerns in agricultural settings and food production. Overall, the presence of Listeria seeligeri in these biomes underscores its dual role as both a beneficial decomposer and a potential pathogen, highlighting the complex interactions within ecosystems where it is found.

Industrial Application

Source: gpt-4o-mini-2024-07-18

The microorganism Listeria seeligeri has been studied for its potential applications in various industrial sectors, particularly in biotechnology and food safety. While it is primarily known as a foodborne pathogen, its characteristics can be leveraged in certain controlled environments. In the realm of biotechnology, Listeria seeligeri can be utilized in fermentation processes, where it may contribute to the development of specific bioproducts under carefully monitored conditions. In terms of waste management, this organism has shown potential in biodegradation processes, where it can help in the breakdown of organic materials, although its pathogenic nature necessitates stringent safety measures. Furthermore, its ability to survive in various environments makes it a candidate for studies aimed at understanding microbial resistance and adaptation, which can inform pharmaceutical development strategies, particularly in the creation of vaccines or treatments against other Listeria species. Overall, while Listeria seeligeri is not widely applied in industry due to its pathogenicity, its unique properties warrant further investigation for potential safe applications in biotechnology and waste management.

Phenotypes and Predictions

The table shows the phenotypes and predictions. Cell colors indicate the class of the value. When literature-based data is available, a checkmark (✓) indicates a correct prediction, while an ✗ indicates an incorrect prediction.

Literature-based phenotypes: 8

LLM predicted phenotypes: 5

Phenotype	High-quality annotation	google/palm-2-chat-bison-32k	google/gemini-pro	anthropic/claude-3.5-sonnet	google/gemini-pro-1.5	google/gemini-pro-1.5	meta-llama/llama-3-8b-instruct:nitro	anthropic/claude-3-haiku:beta	perplexity/llama-3-sonar-small-32k-chat	meta-llama/llama-3-70b-instruct:nitro	google/gemma-7b-it	openchat/openchat-7b	microsoft/phi-3-mini-128k-instruct	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	openai/gpt-4o	openai/gpt-4o	openai/gpt-4	openai/gpt-4	google/gemini-flash-1.5	google/gemini-flash-1.5	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b	mistralai/mixtral-8x7b-instruct:nitro	mistralai/mixtral-8x7b-instruct:nitro	mistralai/mistral-7b-instruct	mistralai/mistral-7b-instruct
Motility	N/A	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	false	false	true	true
Gram staining	gram stain positive	gram stain positive ✓	gram stain positive ✓	gram stain positive ✓	N/A	gram stain positive ✓	gram stain negative ✗	gram stain positive ✓	gram stain positive ✓	gram stain positive ✓	gram stain negative ✗	gram stain positive ✓	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain positive ✓	N/A	gram stain variable ✗
Aerophilicity	N/A	facultatively anaerobic	facultatively anaerobic	N/A	facultatively anaerobic	facultatively anaerobic	N/A	N/A	N/A	N/A	N/A	N/A	N/A	facultatively anaerobic	facultatively anaerobic	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	facultatively anaerobic	facultatively anaerobic	N/A	N/A
Extreme environment tolerance	FALSE	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗
Biofilm formation	N/A	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true
Animal pathogenicity	FALSE	true ✗	true ✗	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗
Biosafety level	biosafety level 1	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 3 ✗	biosafety level 3 ✗
Health association	N/A	true	true	true	true	true	true	true	true	true	true	true	true	false	false	true	true	true	true	true	true	true	true	true	true	true	true
Host association	TRUE	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓
Plant pathogenicity	FALSE	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓
Spore formation	FALSE	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	false ✓	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓
Hemolysis	N/A	beta	beta	alpha	beta	beta	beta	beta	N/A	N/A	N/A	N/A	N/A	N/A	N/A	beta	beta	beta	beta	beta	beta	beta	beta	N/A	N/A	N/A	N/A
Cell shape	bacillus	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	coccus ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	coccus ✗	coccus ✗	bacillus ✓	bacillus ✓

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