Listeria valentina

General Information

Listeria valentina is a fascinating microorganism that belongs to the genus Listeria. This species is particularly interesting due to its potential applications in biotechnology and its unique genetic makeup. One of the most notable characteristics of Listeria valentina is its ability to thrive in a variety of environmental conditions, which makes it a subject of interest for studies on microbial adaptability and resilience. From a research perspective, Listeria valentina offers valuable insights into the mechanisms of pathogenicity and host interaction. Although not as well-known as its relative Listeria monocytogenes, which is a major foodborne pathogen, Listeria valentina can provide comparative data that help scientists understand the evolution and diversification of virulence factors within the Listeria genus. Another intriguing aspect of Listeria valentina is its potential use in the development of novel antimicrobial agents. The study of its unique metabolic pathways and resistance mechanisms can lead to the discovery of new targets for antibiotic development. Additionally, its genetic material can be harnessed for synthetic biology applications, where its robust nature can be utilized to engineer microorganisms with desirable traits for industrial processes. In summary, Listeria valentina is a microorganism of significant interest due to its adaptability, potential for biotechnological applications, and its role in advancing our understanding of microbial pathogenicity and resistance mechanisms.**

Listeria valentina is a lesser-known species within the genus Listeria, which is primarily recognized for its pathogenic members, such as Listeria monocytogenes. What makes L. valentina particularly interesting is its unique ecological niche and potential applications in biotechnology. This organism has been isolated from various environmental sources, including soil and water, indicating its adaptability to diverse habitats. Its ability to thrive in different conditions makes it a valuable model for studying microbial ecology and environmental resilience. One of the most notable characteristics of L. valentina is its metabolic versatility. It can utilize a range of substrates, which opens avenues for research into bioremediation processes. This metabolic flexibility allows it to play a role in nutrient cycling within its ecosystem, making it an important player in maintaining environmental health. Additionally, L. valentina has garnered interest for its potential in food safety research. While not pathogenic like its relatives, understanding its behavior in food matrices can provide insights into microbial interactions and spoilage processes. This aspect is crucial for developing strategies to enhance food preservation and safety. In summary, Listeria valentina stands out due to its ecological significance, metabolic capabilities, and potential applications in food safety and bioremediation, making it a valuable subject for further research in microbiology and environmental science.

Taxonomy

Superkingdom: Bacteria

Phylum: Bacillota

Class: Bacilli

Order: Bacillales

Family: Listeriaceae

Genus: Listeria

Species: Listeria valentina

NCBI ID

2705293

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/011/800/755/GCA_011800755.1_ASM1180075v1

File for sequence-based predictions:
GCA_011800755.1_ASM1180075v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Listeria valentina is a lesser-known species within the genus Listeria, which is primarily recognized for its pathogenic member, Listeria monocytogenes. While L. valentina has not been extensively studied, its clinical implications can be inferred from the characteristics of related species. Listeria species are known to cause listeriosis, a serious infection primarily affecting pregnant women, newborns, the elderly, and immunocompromised individuals. Although L. valentina has not been directly linked to human disease, its close relation to L. monocytogenes raises concerns about potential pathogenicity and the ability to cause infections in susceptible populations. In terms of pathogenicity, Listeria species are known for their ability to invade host cells and evade the immune response. They utilize various strategies, such as the secretion of virulence factors that facilitate intracellular survival and replication. This ability to survive within host cells poses a significant challenge for the immune system, allowing the bacteria to persist and potentially lead to severe outcomes. Regarding antimicrobial resistance, while specific data on L. valentina is limited, the genus Listeria has shown varying degrees of resistance to common antibiotics, particularly in clinical isolates of L. monocytogenes. This raises concerns about the treatment of infections caused by related species, including the potential for resistance mechanisms to be shared among Listeria species. Currently, there are no known medical applications or therapeutic uses specifically associated with Listeria valentina. However, the genus Listeria has been explored for its potential use in vaccines and therapeutics, particularly in cancer immunotherapy, due to its ability to stimulate a robust immune response. Further research is needed to clarify the clinical relevance of L. valentina and its potential role in human health and disease.

Industrial Application

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

The microorganism Listeria valentina has shown potential in various industrial applications, particularly in the fields of biotechnology and waste management. This organism is known for its ability to thrive in diverse environments, which can be harnessed for biodegradation processes. For instance, Listeria valentina can be utilized in the breakdown of organic waste, contributing to more efficient waste treatment systems. Its enzymatic activity allows it to degrade complex organic compounds, making it a candidate for bioremediation efforts aimed at cleaning up contaminated sites. In the realm of biofuel production, Listeria valentina may play a role in the fermentation of biomass, converting organic materials into biofuels. This process involves the organism's metabolic pathways that can facilitate the conversion of sugars into ethanol or other biofuels, thus supporting sustainable energy initiatives. Moreover, the potential of Listeria valentina in pharmaceutical development is noteworthy. Its unique metabolic properties could be explored for the production of bioactive compounds, which may lead to the discovery of new drugs or therapeutic agents. The organism's ability to produce specific enzymes can also be leveraged in the development of biocatalysts for various chemical reactions, enhancing the efficiency of pharmaceutical manufacturing processes. Overall, Listeria valentina presents a promising avenue for innovation across multiple industries, particularly through its involvement in fermentation, biodegradation, and enzyme production.

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

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