Helicobacter cholecystus

General Information

Helicobacter cholecystus is a fascinating microorganism primarily due to its association with the biliary system of mammals. This bacterium has been isolated from the gallbladders of various animals, including humans, and is of particular interest because of its potential role in biliary diseases. One of the most intriguing aspects of H. cholecystus is its possible involvement in chronic cholecystitis and gallstone formation. Researchers are keen to understand the mechanisms by which this bacterium might contribute to these conditions, as it could lead to new therapeutic approaches or preventive measures. Another unique feature of H. cholecystus is its ability to survive and thrive in the harsh, bile-rich environment of the gallbladder. This adaptability suggests that the bacterium has specialized mechanisms for resisting bile toxicity, which could provide insights into microbial survival strategies in extreme environments. From a phylogenetic perspective, H. cholecystus belongs to the Helicobacter genus, which includes other notable species such as Helicobacter pylori, known for its role in gastric ulcers and cancer. The genetic and functional similarities and differences between these species are a subject of ongoing research, with the potential to reveal new aspects of microbial pathogenicity and host interaction. In summary, Helicobacter cholecystus is a microorganism of significant interest due to its association with biliary diseases, its survival in bile-rich environments, and its phylogenetic relationship with other medically important Helicobacter species. These characteristics make it a valuable subject for research aimed at understanding microbial pathogenesis and developing new medical treatments.

Helicobacter cholecystus is a fascinating bacterium primarily associated with the gallbladder of various hosts, including humans. This organism is particularly interesting due to its unique ecological niche and its potential implications in gallbladder diseases. One of the most notable characteristics of H. cholecystus is its ability to survive in the harsh environment of the gallbladder, where bile salts and other antimicrobial substances are present. This adaptation suggests a specialized evolutionary pathway that allows it to thrive in conditions that would be detrimental to many other bacteria. The presence of H. cholecystus in the gallbladder has been linked to the development of gallstones and other biliary disorders, making it a valuable subject of study in understanding the microbiome's role in gastrointestinal health. Research into this organism could provide insights into the mechanisms of gallbladder pathogenesis and the potential for targeted therapies. Furthermore, its close relation to other members of the Helicobacter genus, such as Helicobacter pylori, opens avenues for comparative studies that could enhance our understanding of host-pathogen interactions. In addition to its clinical significance, H. cholecystus serves as a model organism for studying the adaptations of bacteria to specific host environments. The genetic and metabolic pathways that enable H. cholecystus to colonize the gallbladder could reveal broader principles applicable to other pathogens. Overall, the study of Helicobacter cholecystus not only enriches our understanding of microbial ecology but also holds potential for advancing medical research related to gallbladder diseases.

Taxonomy

Superkingdom: Bacteria

Phylum: Campylobacterota

Class: Epsilonproteobacteria

Order: Campylobacterales

Family: Helicobacteraceae

Genus: Helicobacter

Species: Helicobacter cholecystus

NCBI ID

45498

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/900/638/485/GCA_900638485.1_57728_B01

File for sequence-based predictions:
GCA_900638485.1_57728_B01_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Helicobacter cholecystus is a lesser-known member of the Helicobacter genus, primarily associated with the gallbladder. Its clinical implications are still being explored, but it has been linked to gallbladder diseases, including cholecystitis and gallstones. The presence of H. cholecystus in the gallbladder may contribute to inflammation and infection, potentially leading to complications such as acute cholecystitis or biliary colic. In terms of pathogenicity, H. cholecystus is thought to possess mechanisms that allow it to survive in the harsh environment of the gallbladder, similar to other Helicobacter species. This includes the production of urease, which neutralizes gastric acid, and the ability to adhere to epithelial cells, promoting colonization and persistence. While there is limited data on antimicrobial resistance specific to H. cholecystus, its close relatives, such as Helicobacter pylori, are known for developing resistance to common antibiotics. This raises concerns about potential treatment challenges in cases of infection. Currently, there are no established medical applications for H. cholecystus, such as probiotics or vaccines, but understanding its role in gallbladder pathology may lead to future therapeutic strategies. Further research is needed to clarify its exact role in human health and disease, as well as its interactions with the immune system and potential immune evasion strategies.

Habitat and Ecological Niches

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

Helicobacter cholecystus is a bacterium primarily associated with the gallbladder of various vertebrates, particularly in the context of its role in the digestive system. This microorganism thrives in the unique environment of the biliary tract, where it can adapt to the presence of bile acids and other digestive substances. Its ecological niche is characterized by a relatively low oxygen concentration, which allows it to flourish in a microaerophilic environment. In terms of its ecological interactions, Helicobacter cholecystus is known to have a symbiotic relationship with its host, contributing to the digestion of fats and possibly influencing the host's immune response. However, it can also be associated with gallbladder diseases, indicating a complex role that can shift from beneficial to pathogenic depending on the host's health and environmental conditions. The bacterium's ability to colonize the gallbladder suggests adaptations that allow it to withstand the harsh conditions of bile, making it a notable organism in studies of microbial ecology and host-microbe interactions. Its presence in the biliary system highlights the importance of microbial communities in maintaining digestive health and the potential consequences of dysbiosis in this environment.

Industrial Application

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

The microorganism Helicobacter cholecystus has garnered attention for its potential applications in various industrial sectors, particularly in biotechnology and pharmaceutical development. This organism is known for its unique enzymatic activities, which can be harnessed in the production of specific metabolites that may have therapeutic benefits. For instance, its ability to produce certain enzymes can be utilized in the development of diagnostic tools for gastrointestinal diseases, enhancing the accuracy of medical testing. In the realm of waste management, Helicobacter cholecystus may play a role in biodegradation processes, particularly in the breakdown of complex organic compounds found in waste materials. This capability can be crucial for developing more efficient waste treatment systems that reduce environmental impact. Moreover, the study of Helicobacter cholecystus contributes to our understanding of microbial interactions in the gut, which can inform the development of probiotics and nutraceuticals aimed at improving gut health. The insights gained from this organism's metabolic pathways can lead to innovations in the formulation of health supplements that support digestive health. Overall, while Helicobacter cholecystus is primarily recognized for its role in human health, its potential applications in biotechnology, waste management, and pharmaceutical development highlight its importance in various industrial contexts.

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

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