Corynebacterium choanae

General Information

Corynebacterium choanae is a fascinating microorganism that belongs to the genus Corynebacterium. This genus is known for its diverse range of species, many of which are significant in both medical and environmental contexts. One of the most intriguing aspects of Corynebacterium choanae is its unique ecological niche. It has been isolated from the nasal cavities of birds, particularly waterfowl, which suggests a specialized adaptation to this environment. This makes it an interesting subject for studies on host-microbe interactions and the evolution of microbial communities in avian species. Another notable feature of Corynebacterium choanae is its potential role in avian health. While the exact implications of its presence in the nasal cavities of birds are still under investigation, it is hypothesized that it could play a role in either maintaining a healthy microbial balance or contributing to disease under certain conditions. This dual potential makes it a valuable organism for research into pathogenesis and symbiosis. From a biochemical perspective, Corynebacterium choanae exhibits a range of metabolic capabilities that are characteristic of the Corynebacterium genus. These include the ability to utilize various carbon sources and produce specific enzymes that could be of industrial or biotechnological interest. The study of these metabolic pathways can provide insights into biochemical diversity and metabolic engineering. In summary, Corynebacterium choanae is a microorganism of significant interest due to its unique ecological niche, potential impact on avian health, and diverse metabolic capabilities. Its study can contribute to a better understanding of microbial ecology, host-microbe interactions, and the potential applications of its metabolic properties in various fields.

Corynebacterium choanae is a species of bacteria that belongs to the genus Corynebacterium, which is known for its diverse range of pathogenic and non-pathogenic members. This particular species is notable for its association with human health, particularly in the context of the respiratory system. It has been isolated from the nasopharynx, suggesting a role in the normal flora of the upper respiratory tract. This characteristic makes it an interesting subject for research into the microbial communities that inhabit human mucosal surfaces. One of the unique aspects of Corynebacterium choanae is its potential opportunistic pathogenicity. While it is generally considered non-pathogenic, it has been implicated in rare cases of infections, particularly in immunocompromised individuals. This dual nature—being part of the normal flora while also having the potential to cause disease—makes it a valuable organism for studying the dynamics of host-microbe interactions and the factors that can lead to opportunistic infections. Furthermore, the genetic and metabolic characteristics of Corynebacterium choanae are of interest to researchers. Its ability to metabolize various substrates and its genetic adaptability can provide insights into the evolution of bacterial species in response to environmental pressures. Understanding these mechanisms can contribute to broader knowledge in fields such as microbiology, immunology, and infectious disease research. In summary, Corynebacterium choanae stands out due to its role in human microbiota, its potential for opportunistic infection, and its metabolic versatility, making it a significant organism for ongoing research in microbial ecology and pathogenesis.

Taxonomy

Superkingdom: Bacteria

Phylum: Actinomycetota

Class: Actinomycetes

Order: Mycobacteriales

Family: Corynebacteriaceae

Genus: Corynebacterium

Species: Corynebacterium choanae

NCBI ID

1862358

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/003/813/965/GCF_003813965.1_ASM381396v1

File for sequence-based predictions:
GCF_003813965.1_ASM381396v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Corynebacterium choanae is a member of the normal flora of the human respiratory tract, particularly in the nasopharyngeal region. While it is generally considered a commensal organism, it has been associated with certain clinical implications, particularly in immunocompromised patients. Infections caused by Corynebacterium choanae are rare but can occur, leading to respiratory infections or soft tissue infections in susceptible individuals. Its role in biofilm formation may contribute to its pathogenicity, especially in chronic conditions such as chronic rhinosinusitis. One of the notable aspects of Corynebacterium choanae is its potential for antimicrobial resistance, which can complicate treatment options. Resistance mechanisms may include the production of beta-lactamases, which can render common antibiotics ineffective. This highlights the importance of susceptibility testing in cases of infection. Furthermore, the organism's ability to evade the immune response is an area of interest, as it may utilize various strategies to persist in the host environment. Understanding these mechanisms is crucial for developing effective therapeutic approaches. While Corynebacterium choanae is not commonly linked to outbreaks, its presence in clinical specimens necessitates careful interpretation of laboratory results, as it can be mistaken for more pathogenic species within the Corynebacterium genus. Overall, while Corynebacterium choanae is primarily a commensal organism, its potential to cause disease in specific populations underscores its clinical relevance.

Habitat and Ecological Niches

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

Corynebacterium choanae is a bacterium commonly found in the nasopharyngeal region of humans and other mammals. This organism thrives in the mucosal surfaces of the upper respiratory tract, where it plays a significant role in maintaining the balance of the microbial community. Its presence is often associated with the microbiome of healthy individuals, contributing to the overall health of the respiratory system by preventing the colonization of pathogenic bacteria through competitive exclusion and the production of antimicrobial substances. In terms of ecological niches, Corynebacterium choanae is adapted to the moist, nutrient-rich environment of the nasopharynx, where it can utilize various organic compounds for growth. This bacterium exhibits a form of commensalism, where it benefits from the host's environment without causing harm, and in some cases, it may even provide protective benefits to the host. Furthermore, Corynebacterium choanae can be involved in biofilm formation, which enhances its survival in the dynamic environment of the nasopharynx. This ability to form biofilms can also influence its interactions with other microbial species, contributing to the stability and resilience of the microbial community in this biome. Overall, Corynebacterium choanae exemplifies the complex relationships that microorganisms have with their environments, highlighting its role in the human microbiome and its importance in respiratory health.

Industrial Application

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

The microorganism Corynebacterium choanae has shown potential in various industrial applications, particularly in the fields of biotechnology and waste management. This organism is known for its ability to participate in fermentation processes, which can be harnessed for the production of valuable metabolites such as amino acids and vitamins. For instance, Corynebacterium choanae can be utilized in the fermentation of sugars to produce L-lysine, an essential amino acid widely used in animal feed and human nutrition. In the realm of waste management, Corynebacterium choanae has demonstrated capabilities in biodegradation, particularly in the breakdown of complex organic compounds. This property can be leveraged in the treatment of wastewater, where the microorganism can help in the degradation of pollutants, thus contributing to cleaner effluents and reduced environmental impact. Moreover, the enzymatic activity of Corynebacterium choanae is of interest in pharmaceutical development. The organism can produce specific enzymes that may be useful in the synthesis of pharmaceutical compounds, enhancing the efficiency of drug production processes. Overall, the diverse metabolic capabilities of Corynebacterium choanae position it as a valuable asset in biotechnology, waste management, and pharmaceutical industries, with applications ranging from fermentation to 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	mistralai/mistral-7b-instruct	meta-llama/llama-3-8b-instruct:nitro	meta-llama/llama-3-70b-instruct:nitro	perplexity/llama-3-sonar-small-32k-chat	anthropic/claude-3-haiku:beta	openchat/openchat-7b	google/gemini-pro	google/gemma-7b-it	anthropic/claude-3.5-sonnet	openai/gpt-4	openai/gpt-4	google/gemini-flash-1.5	google/gemini-flash-1.5	mistralai/mixtral-8x7b-instruct:nitro	mistralai/mixtral-8x7b-instruct:nitro	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	google/palm-2-chat-bison-32k	google/palm-2-chat-bison-32k	openai/gpt-4o	openai/gpt-4o	google/gemini-pro-1.5	google/gemini-pro-1.5	microsoft/phi-3-mini-128k-instruct	microsoft/phi-3-mini-128k-instruct	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b
Motility	FALSE	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓
Gram staining	gram stain positive	gram stain variable ✗	gram stain negative ✗	gram stain positive ✓	gram stain positive ✓	gram stain positive ✓	gram stain positive ✓	gram stain positive ✓	gram stain variable ✗	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 positive ✓	N/A	gram stain variable ✗	N/A	gram stain positive ✓
Aerophilicity	aerobic	aerotolerant ✗	aerotolerant ✗	aerobic ✓	N/A	N/A	N/A	N/A	N/A	N/A	aerobic ✓	aerobic ✓	N/A	N/A	facultatively anaerobic ✗	facultatively anaerobic ✗	facultatively anaerobic ✗	facultatively anaerobic ✗	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Extreme environment tolerance	FALSE	false ✓	false ✓	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 ✓
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
Animal pathogenicity	N/A	false	false	true	true	true	false	true	true	true	false	false	true	true	false	false	false	false	true	true	true	true	true	true	false	false	true	true
Biosafety level	biosafety level 1	biosafety level 1 ✓	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 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	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 2 ✗	biosafety level 2 ✗
Health association	N/A	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	false	false	true	true	true	true	true	true	false	false	true	true
Host association	N/A	true	true	true	true	true	true	true	false	true	true	true	true	true	true	true	false	false	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 ✓	false ✓
Spore formation	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 ✓	false ✓
Hemolysis	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	beta	beta	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
Cell shape	bacillus	coccus ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	coccus ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓

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