Riemerella columbipharyngis

General Information

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

Riemerella columbipharyngis is a fascinating bacterium primarily associated with avian species, particularly pigeons. This organism is notable for its role as a pathogen, causing respiratory infections and other diseases in birds. Its ability to thrive in the upper respiratory tract of these hosts makes it a significant concern in aviculture and wildlife management. The unique aspect of Riemerella columbipharyngis is its specific adaptation to avian hosts, which allows it to exploit the ecological niche of the respiratory system in birds. This bacterium is also of interest in veterinary medicine, as it can serve as a model for studying respiratory diseases in birds. Research into Riemerella columbipharyngis can provide insights into host-pathogen interactions, particularly how this bacterium evades the immune responses of its avian hosts. Furthermore, understanding its pathogenic mechanisms may lead to the development of better diagnostic tools and treatment options for avian respiratory diseases. In addition to its veterinary significance, Riemerella columbipharyngis contributes to the broader understanding of bacterial evolution and adaptation. Its phylogenetic relationships with other members of the genus Riemerella highlight the diversity of bacterial life and the evolutionary pressures that shape their characteristics. This makes Riemerella columbipharyngis not only a subject of interest for avian health but also a valuable organism for studies in microbial ecology and evolution.

Taxonomy

Superkingdom: Bacteria

Phylum: Bacteroidota

Class: Flavobacteriia

Order: Flavobacteriales

Family: Weeksellaceae

Genus: Riemerella

Species: Riemerella columbipharyngis

NCBI ID

1071918

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/900/101/995/GCA_900101995.1_IMG-taxon_2675903161_annotated_assembly

File for sequence-based predictions:
GCA_900101995.1_IMG-taxon_2675903161_annotated_assembly_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The bacterium Riemerella columbipharyngis is primarily known for its association with avian species, particularly pigeons and doves, but it has also been implicated in infections in humans, albeit rarely. This organism is a member of the family Flavobacteriaceae and is recognized for its role in respiratory infections and septicemia in birds, which can lead to significant morbidity and mortality in affected populations. In humans, R. columbipharyngis has been reported in cases of endocarditis and soft tissue infections, particularly in individuals with compromised immune systems or underlying health conditions. Pathogenicity is attributed to its ability to evade the immune response, potentially through the production of biofilms and other virulence factors that enhance its survival in host tissues. The organism's antimicrobial resistance profile is not extensively documented, but like many bacteria, it may exhibit resistance to common antibiotics, complicating treatment options. While R. columbipharyngis is not a common pathogen in humans, its presence in clinical specimens highlights the importance of considering zoonotic transmission and the potential for cross-species infections. Further research is needed to fully understand its clinical implications and the mechanisms behind its pathogenicity and resistance.

Habitat and Ecological Niches

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

Riemerella columbipharyngis is a bacterium primarily associated with the avian respiratory tract, particularly in pigeons and doves. This microorganism thrives in the nasal passages and pharyngeal regions of these birds, where it plays a significant role in the microbial community of the avian microbiome. Its presence is often linked to the maintenance of a balanced microbial ecosystem, which is crucial for the health of the host. Ecological Niches: Riemerella columbipharyngis occupies a unique niche within the avian respiratory system, where it can coexist with other microbial species. It is known to be involved in the breakdown of organic matter and may contribute to the overall health of the host by preventing the colonization of pathogenic bacteria. Interactions with Surroundings: This bacterium can exhibit symbiotic relationships with its avian hosts, potentially aiding in the digestion of food and enhancing the immune response. Its ability to adapt to the specific conditions of the avian respiratory tract, such as varying pH levels and moisture content, underscores its ecological significance. In summary, Riemerella columbipharyngis is an important component of the avian microbiome, contributing to the health and ecological balance within the respiratory habitats of its avian hosts.

Industrial Application

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

The microorganism Riemerella columbipharyngis has shown potential in various industrial applications, particularly in the fields of biotechnology and waste management. This organism is known for its role in biodegradation, where it can effectively break down complex organic materials, making it valuable in the treatment of waste products. Its enzymatic activity allows it to degrade pollutants, contributing to cleaner environments and more sustainable waste management practices. In the realm of biofuel production, Riemerella columbipharyngis may be utilized in fermentation processes to convert biomass into biofuels. The ability of this microorganism to metabolize various substrates can enhance the efficiency of biofuel production, providing a renewable energy source. Additionally, there is potential for Riemerella columbipharyngis in pharmaceutical development. Its unique metabolic pathways may lead to the discovery of novel compounds that could be harnessed for therapeutic purposes. The study of its enzymatic functions could also pave the way for the development of new biocatalysts in drug synthesis. Overall, Riemerella columbipharyngis presents a promising avenue for innovation in biotechnology, waste management, biofuel production, and pharmaceutical development, with its capabilities in fermentation, biodegradation, and enzymatic activity being particularly noteworthy.

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

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