Azospirillum palustre

General Information

Azospirillum palustre is a fascinating microorganism primarily due to its nitrogen-fixing capabilities. This bacterium is part of the genus Azospirillum, which is well-known for its association with plant roots, particularly in the rhizosphere of grasses and cereals. One of the most intriguing aspects of A. palustre is its ability to convert atmospheric nitrogen into a form that plants can readily absorb and utilize, thereby promoting plant growth and reducing the need for chemical fertilizers. Another unique feature of A. palustre is its adaptability to various environmental conditions, including different soil types and moisture levels. This adaptability makes it a valuable candidate for agricultural applications, especially in sustainable farming practices. From a research perspective, A. palustre is also interesting due to its potential role in bioremediation. Its ability to thrive in diverse environments suggests that it could be used to help clean up contaminated soils and water bodies by breaking down pollutants or facilitating the growth of plants that can absorb these contaminants. In summary, Azospirillum palustre stands out for its nitrogen-fixing abilities, adaptability to various environments, and potential applications in sustainable agriculture and bioremediation, making it a valuable subject of study in microbiology and environmental science.*

Azospirillum palustre is a fascinating species of bacteria belonging to the genus Azospirillum, which is known for its ability to fix atmospheric nitrogen. This characteristic makes it particularly valuable in agricultural contexts, as it can enhance soil fertility and promote plant growth. The unique ability of A. palustre to thrive in saline environments sets it apart from other nitrogen-fixing bacteria, allowing it to colonize and benefit plants in challenging conditions where other species may struggle. This organism has been isolated from various environments, including wetlands and rice paddies, indicating its adaptability to different ecological niches. Research into A. palustre has revealed its potential role in sustainable agriculture, particularly in the context of increasing soil salinity due to climate change and poor irrigation practices. By utilizing this bacterium, farmers may be able to improve crop yields in saline soils, thus contributing to food security. Furthermore, A. palustre is of interest in the study of plant-microbe interactions. It forms beneficial associations with a variety of plants, enhancing nutrient uptake and promoting growth through mechanisms such as the production of phytohormones. This symbiotic relationship not only aids in plant health but also contributes to the overall resilience of ecosystems. In summary, Azospirillum palustre stands out due to its nitrogen-fixing capabilities, adaptation to saline environments, and its beneficial interactions with plants, making it a significant subject of study in both microbiology and agricultural sciences.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Alphaproteobacteria

Order: Rhodospirillales

Family: Azospirillaceae

Genus: Azospirillum

Species: Azospirillum palustre

NCBI ID

2044885

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/002/573/965/GCF_002573965.1_ASM257396v1

File for sequence-based predictions:
GCF_002573965.1_ASM257396v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The microorganism Azospirillum palustre is a member of the genus Azospirillum, which is primarily known for its role in promoting plant growth through nitrogen fixation. While A. palustre is not typically associated with human disease, its clinical relevance can be considered in the context of its interactions with the human microbiome and potential applications in agriculture and biotechnology. Role in Human Health: Although A. palustre itself is not pathogenic, its presence in the environment and its interactions with plants can indirectly influence human health by affecting food supply and agricultural practices. Pathogenicity and Disease Associations: Currently, there are no well-documented associations of A. palustre with human infections or diseases. Its primary significance lies in its beneficial effects on plant health rather than any direct impact on human health. Antimicrobial Resistance: There is limited information regarding antimicrobial resistance in A. palustre, as it is not a common subject of study in the context of human pathogens. However, understanding the resistance mechanisms in soil bacteria can provide insights into broader ecological interactions. Medical Applications: The potential applications of A. palustre in biotechnology, particularly in agriculture, may have indirect benefits for human health by enhancing crop yields and reducing the need for chemical fertilizers. This can lead to improved food security and reduced environmental impact. Immune Evasion Strategies: As A. palustre is not a human pathogen, it does not possess known immune evasion strategies that are relevant to human health. Its interactions are primarily with plants and soil ecosystems. In summary, while Azospirillum palustre does not have direct clinical implications for human health, its role in agriculture and potential benefits to the ecosystem highlight its importance in a broader context.

Industrial Application

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

The microorganism Azospirillum palustre is recognized for its significant contributions to various industrial applications, particularly in the fields of biotechnology and agriculture. This bacterium is known for its ability to fix nitrogen, which enhances soil fertility and promotes plant growth. Its role in biological nitrogen fixation makes it a valuable agent in sustainable agriculture, reducing the need for chemical fertilizers and improving crop yields. In the realm of biotechnology, Azospirillum palustre is utilized in the development of biofertilizers. These biofertilizers harness the natural capabilities of the bacterium to enhance nutrient availability in the soil, thereby supporting the growth of various crops. This application is particularly beneficial in organic farming practices, where chemical inputs are minimized. Moreover, Azospirillum palustre has shown potential in waste management through its involvement in biodegradation processes. The bacterium can help in the breakdown of organic waste materials, contributing to the recycling of nutrients back into the ecosystem. This capability is essential for developing sustainable waste treatment solutions that minimize environmental impact. In addition, there is ongoing research into the use of Azospirillum palustre in biofuel production. Its metabolic pathways may be harnessed to convert biomass into biofuels, providing an alternative energy source that is more sustainable than fossil fuels. The bacterium's ability to thrive in various environmental conditions makes it a candidate for use in diverse bioconversion processes. Overall, Azospirillum palustre exemplifies the potential of microorganisms in enhancing agricultural productivity, improving waste management practices, and contributing to renewable energy solutions, making it a key player in the future of sustainable industrial applications.

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: 9

LLM predicted phenotypes: 3

Phenotype	High-quality annotation	openai/gpt-3.5-turbo-0125	mistralai/mixtral-8x7b-instruct:nitro	google/gemini-pro	anthropic/claude-3-haiku:beta	perplexity/llama-3-sonar-small-32k-chat	google/gemma-7b-it	openchat/openchat-7b	microsoft/phi-3-mini-128k-instruct	mistralai/mistral-7b-instruct	anthropic/claude-3.5-sonnet	anthropic/claude-3.5-sonnet	meta-llama/llama-3-8b-instruct:nitro	meta-llama/llama-3-8b-instruct:nitro	google/gemini-flash-1.5	google/gemini-flash-1.5	openai/gpt-4o	openai/gpt-4o	google/gemini-pro-1.5	google/gemini-pro-1.5	google/palm-2-chat-bison-32k	google/palm-2-chat-bison-32k	openai/gpt-4	openai/gpt-4	meta-llama/llama-3-70b-instruct:nitro	meta-llama/llama-3-70b-instruct:nitro	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b
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
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 ✓	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 ✓	facultatively anaerobic ✗	anaerobic ✗	N/A	N/A	N/A	N/A	N/A	N/A	aerobic ✓	aerobic ✓	aerotolerant ✗	aerotolerant ✗	facultatively anaerobic ✗	facultatively anaerobic ✗	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	FALSE	false ✓	false ✓	false ✓	true ✗	false ✓	true ✗	false ✓	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	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	true	true	true	true	true	true	true
Animal 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 ✓
Biosafety level	biosafety level 1	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	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 ✓
Health association	N/A	false	true	true	true	true	true	false	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true
Host association	TRUE	false ✗	true ✓	false ✗	false ✗	true ✓	true ✓	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗
Plant pathogenicity	FALSE	false ✓	true ✗	true ✗	true ✗	false ✓	false ✓	true ✗	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓
Spore formation	FALSE	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	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
Cell shape	bacillus	spirillum ✗	bacillus ✓	spirillum ✗	spirillum ✗	bacillus ✓	bacillus ✓	spirillum ✗	bacillus ✓	spirillum ✗	spirillum ✗	spirillum ✗	spirillum ✗	spirillum ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	spirillum ✗	spirillum ✗	bacillus ✓	bacillus ✓	spirillum ✗	spirillum ✗	spirillum ✗	spirillum ✗	spirillum ✗	spirillum ✗

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