Streptococcus lutetiensis

General Information

Streptococcus lutetiensis is a fascinating microorganism that belongs to the genus Streptococcus. This species is particularly interesting due to its association with human infections, often being isolated from clinical specimens. One of the key characteristics of S. lutetiensis is its ability to cause a range of infections, from mild to severe, including endocarditis, bacteremia, and urinary tract infections. What makes S. lutetiensis unique is its genetic and phenotypic similarities to other members of the Streptococcus genus, particularly Streptococcus bovis group, which can sometimes complicate its identification in clinical settings. This has significant implications for diagnostic microbiology and clinical treatment, as accurate identification is crucial for effective patient management. From a research perspective, S. lutetiensis is valuable for studying the mechanisms of pathogenicity and antibiotic resistance. Its genome provides insights into the virulence factors that enable it to colonize and infect human hosts. Additionally, understanding the genetic basis of its resistance to certain antibiotics can inform the development of new therapeutic strategies. Overall, Streptococcus lutetiensis is a noteworthy organism due to its clinical relevance, diagnostic challenges, and the potential it holds for advancing our understanding of bacterial pathogenesis and resistance mechanisms.

Streptococcus lutetiensis is a fascinating member of the Streptococcus genus, first identified in 2007. This organism is particularly interesting due to its association with human health, as it has been isolated from clinical specimens, including cases of endocarditis and bacteremia. Its ability to thrive in various environments, including the human oral cavity, suggests a potential role in both health and disease, making it a valuable subject for research in microbiology and infectious diseases. One of the unique aspects of S. lutetiensis is its genetic diversity, which can provide insights into the evolutionary adaptations of streptococci. The organism's genome has been sequenced, revealing genes that may contribute to its pathogenicity and resistance mechanisms. This genomic information is crucial for understanding how S. lutetiensis interacts with the host immune system and its potential to cause disease. Furthermore, the organism's relatively recent identification highlights the ongoing need for advanced microbial detection methods in clinical settings. As researchers continue to explore the ecological niches of S. lutetiensis, it may also serve as a model for studying the dynamics of oral and systemic infections, particularly in immunocompromised individuals. Overall, Streptococcus lutetiensis stands out as a significant organism for further investigation in the fields of microbiology, infectious disease, and public health.

Taxonomy

Superkingdom: Bacteria

Phylum: Bacillota

Class: Bacilli

Order: Lactobacillales

Family: Streptococcaceae

Genus: Streptococcus

Species: Streptococcus lutetiensis

NCBI ID

150055

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/900/475/675/GCA_900475675.1_45473_D02

File for sequence-based predictions:
GCA_900475675.1_45473_D02_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Streptococcus lutetiensis is a member of the Streptococcus genus, which is known for its diverse roles in human health and disease. Although it is not as widely studied as other Streptococcus species, S. lutetiensis has been implicated in certain clinical contexts, particularly in association with infections in immunocompromised patients. Clinical relevance includes its potential role in bacteremia and endocarditis, especially in individuals with pre-existing heart conditions or those undergoing invasive procedures. One of the notable aspects of S. lutetiensis is its pathogenicity, which may be linked to its ability to evade the immune response. This can be attributed to its capsule formation and surface proteins that help it resist phagocytosis by immune cells. Furthermore, there are concerns regarding antimicrobial resistance, as some strains may exhibit resistance to commonly used antibiotics, complicating treatment options for infections. In terms of medical applications, while S. lutetiensis itself is not used as a probiotic or therapeutic agent, understanding its interactions with the human microbiome could provide insights into the balance of commensal and pathogenic bacteria. Ongoing research may reveal more about its role in human health and its potential implications in outbreaks or nosocomial infections in healthcare settings. Overall, while S. lutetiensis is not a primary pathogen, its presence in clinical samples warrants attention due to its potential implications in patient care.

Habitat and Ecological Niches

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

Streptococcus lutetiensis is a bacterium commonly associated with the human oral cavity and upper respiratory tract. This microorganism thrives in environments that are rich in organic matter, particularly in areas where there is a high concentration of nutrients, such as saliva and mucosal surfaces. Its presence is often linked to the formation of biofilms on teeth and mucosal surfaces, contributing to the complex microbial communities found in these habitats. In the oral biome, S. lutetiensis plays a critical role in maintaining the balance of microbial populations. It can engage in symbiotic relationships with other bacteria, contributing to the overall health of the oral microbiome. For instance, it may help in the fermentation of carbohydrates, producing lactic acid, which can influence the pH of the environment and affect the growth of other microbial species. Additionally, S. lutetiensis has been documented in association with upper respiratory infections, where it may interact with other pathogens. Its ability to adapt to varying conditions, such as changes in pH and nutrient availability, allows it to thrive in these dynamic environments. The organism's presence in these biomes underscores its importance in both health and disease, highlighting its role in the complex interplay of microbial life in the human body.

Industrial Application

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

The microorganism Streptococcus lutetiensis has shown potential in various industrial applications, particularly in the fields of biotechnology and pharmaceutical development. This organism is known for its role in fermentation, where it can be utilized to produce lactic acid, a valuable compound in food preservation and the production of biodegradable plastics. The ability of Streptococcus lutetiensis to ferment sugars efficiently makes it a candidate for biofuel production, as it can convert biomass into fermentable sugars that can subsequently be transformed into ethanol or other biofuels. In the realm of waste management, Streptococcus lutetiensis may contribute to biodegradation processes, helping to break down organic waste materials, thus aiding in the treatment of wastewater and reducing environmental pollution. Furthermore, its enzymatic activity can be harnessed for the production of specific enzymes that are useful in various industrial processes, including the food industry, where enzymes are critical for improving the texture and flavor of products. Overall, Streptococcus lutetiensis presents a promising avenue for research and application in these industries, particularly in enhancing sustainability and efficiency in production processes.

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: 11

LLM predicted phenotypes: 2

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

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