Pseudomonas fluorescens

General Information

Pseudomonas fluorescens is a fascinating microorganism known for its biocontrol properties and bioremediation potential. This bacterium is commonly found in soil, water, and plant surfaces, where it plays a crucial role in the ecosystem. One of the most striking features of P. fluorescens is its ability to produce a fluorescent pigment called pyoverdine, which gives it a distinctive greenish color under UV light. This pigment not only helps in iron acquisition but also has antimicrobial properties, making P. fluorescens a valuable agent in controlling plant pathogens. Another remarkable characteristic of P. fluorescens is its metabolic versatility. It can degrade a wide range of organic compounds, including pollutants like hydrocarbons and pesticides, which makes it an excellent candidate for bioremediation efforts. Additionally, this bacterium can produce a variety of secondary metabolites, such as antibiotics and enzymes, which have applications in agriculture and industry. From a research perspective, P. fluorescens is also interesting due to its genetic diversity and adaptability. It has a large genome with numerous regulatory genes, allowing it to thrive in various environments and conditions. This adaptability is further enhanced by its ability to form symbiotic relationships with plants, promoting plant growth and health through mechanisms like nitrogen fixation and phosphate solubilization. In summary, Pseudomonas fluorescens is a highly versatile and ecologically significant bacterium with numerous applications in agriculture, industry, and environmental management. Its unique characteristics, such as pigment production, metabolic capabilities, and genetic adaptability, make it a valuable subject of scientific research.

Pseudomonas fluorescens is a versatile and widely studied bacterium known for its remarkable adaptability to various environments. This species is particularly interesting due to its ability to thrive in diverse ecological niches, including soil, water, and plant surfaces. One of the most notable characteristics of Pseudomonas fluorescens is its production of a fluorescent pigment, which gives it its name and can be observed under ultraviolet light. This pigment, known as pyoverdine, plays a crucial role in iron acquisition, allowing the bacterium to outcompete other microorganisms in iron-limited environments. In addition to its ecological significance, Pseudomonas fluorescens has garnered attention in agricultural research for its potential as a biocontrol agent. It can suppress plant pathogens and promote plant growth, making it a valuable organism in sustainable agriculture practices. The bacterium produces a variety of secondary metabolites, including antibiotics and antifungal compounds, which contribute to its biocontrol capabilities. Furthermore, Pseudomonas fluorescens is a model organism in microbiological studies due to its well-characterized genetics and metabolic pathways. Researchers utilize this bacterium to study bio-remediation processes, as it can degrade a wide range of environmental pollutants, including hydrocarbons and heavy metals. Its metabolic versatility and ability to adapt to harsh conditions make it a key player in bioremediation efforts. Overall, the unique characteristics of Pseudomonas fluorescens not only highlight its ecological importance but also underscore its potential applications in agriculture and environmental science, making it a valuable subject for ongoing research.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Pseudomonadales

Family: Pseudomonadaceae

Genus: Pseudomonas

Species: Pseudomonas fluorescens

NCBI ID

294

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/900/475/215/GCA_900475215.1_42727_B01

File for sequence-based predictions:
GCA_900475215.1_42727_B01_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Pseudomonas fluorescens is primarily known as an environmental bacterium, but it has significant clinical implications, particularly in immunocompromised patients. It is associated with infections such as bacteremia, pneumonia, and urinary tract infections, especially in individuals with underlying health conditions or those undergoing invasive procedures. Pathogenicity is attributed to its ability to form biofilms and produce a variety of virulence factors, including proteases and toxins, which can damage host tissues and evade the immune response. In terms of antimicrobial resistance, Pseudomonas fluorescens can exhibit resistance to multiple classes of antibiotics, making infections difficult to treat. This resistance is often due to the presence of efflux pumps and the ability to acquire resistance genes from other bacteria. Clinical relevance is heightened in the context of nosocomial infections, where it can be a contaminant in hospital settings, particularly in water sources and medical equipment. Interestingly, Pseudomonas fluorescens has also been studied for its potential medical applications. Certain strains are being explored as probiotics due to their ability to outcompete pathogenic bacteria in the gut and enhance the immune response. Additionally, its use in biocontrol and bioremediation highlights its versatility beyond pathogenicity. Overall, while Pseudomonas fluorescens is not a primary pathogen, its role in infections, resistance mechanisms, and potential therapeutic applications underscore its importance in clinical microbiology.

Habitat and Ecological Niches

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

Pseudomonas fluorescens is a versatile bacterium commonly found in a variety of habitat types, particularly in soil and water environments. This microorganism thrives in nutrient-rich conditions, often associated with decaying organic matter, which provides essential nutrients for its growth. It is frequently isolated from agricultural soils, where it plays a crucial role in promoting plant health through its ability to suppress plant pathogens and enhance nutrient availability. In aquatic environments, Pseudomonas fluorescens can be found in freshwater ecosystems, where it contributes to the decomposition of organic materials and the cycling of nutrients. Its presence in these biomes is vital for maintaining ecological balance, as it helps in the breakdown of pollutants and organic waste. This bacterium is also known for its symbiotic relationships with various plants, where it can enhance root development and improve resistance to diseases. Its ability to produce antifungal compounds makes it an important player in biocontrol, helping to protect crops from harmful pathogens. Furthermore, Pseudomonas fluorescens exhibits remarkable environmental adaptability, allowing it to survive in a range of conditions, including those with high salinity or varying pH levels. This adaptability not only aids in its survival but also enhances its role in bioremediation, where it can be employed to clean up contaminated environments by degrading toxic substances. Overall, Pseudomonas fluorescens is a key organism in various biomes, contributing to ecological health and sustainability.

Industrial Application

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

The bacterium Pseudomonas fluorescens is recognized for its diverse industrial applications, particularly in biotechnology, waste management, and pharmaceutical development. This microorganism is known for its ability to thrive in various environments, making it a valuable asset in several processes. In biotechnology, Pseudomonas fluorescens is utilized in fermentation processes to produce a range of bioproducts, including biopolymers and enzymes. Its capacity to degrade complex organic compounds allows it to be employed in the production of biodegradable plastics, contributing to sustainable materials development. In the realm of waste management, Pseudomonas fluorescens plays a crucial role in biodegradation of pollutants. It has been shown to effectively break down hydrocarbons and other toxic substances in contaminated soils and water, making it a key player in bioremediation efforts. This capability is particularly important in the cleanup of oil spills and industrial waste sites, where it helps restore environmental health. Furthermore, in pharmaceutical development, Pseudomonas fluorescens is explored for its potential in producing bioactive compounds, including antibiotics and other therapeutic agents. Its enzymatic activity is harnessed in the synthesis of pharmaceuticals, where it can facilitate complex chemical reactions that are difficult to achieve through traditional synthetic methods. Overall, the versatility of Pseudomonas fluorescens in various industrial applications underscores its significance in advancing sustainable practices and innovative solutions across multiple sectors.

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: 1

Phenotype	High-quality annotation	google/gemini-pro-1.5	anthropic/claude-3-haiku:beta	google/gemini-flash-1.5	meta-llama/llama-3-70b-instruct:nitro	google/gemma-7b-it	openchat/openchat-7b	mistralai/mixtral-8x7b-instruct:nitro	mistralai/mistral-7b-instruct	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	openai/gpt-4o	openai/gpt-4o	anthropic/claude-3.5-sonnet	anthropic/claude-3.5-sonnet	openai/gpt-4	openai/gpt-4	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	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	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b	google/gemini-pro	google/gemini-pro
Motility	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 ✓
Gram staining	gram stain negative	gram stain negative ✓	gram stain negative ✓	gram stain negative ✓	gram stain negative ✓	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 ✓	N/A	gram stain negative ✓
Aerophilicity	aerobic	aerobic ✓	N/A	N/A	N/A	N/A	N/A	N/A	N/A	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	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	TRUE	false ✗	true ✓	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	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 ✓	true ✓	true ✓	true ✓
Animal pathogenicity	TRUE	false ✗	false ✗	false ✗	false ✗	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓
Biosafety level	biosafety level 1	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓
Health association	N/A	true	true	true	true	true	true	true	false	false	false	true	true	true	true	true	true	true	true	true	true	true	true	false	false	true	true	true	true
Host association	TRUE	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓
Plant pathogenicity	FALSE	true ✗	true ✗	false ✓	true ✗	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗
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 ✓	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	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 ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	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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