Bradyrhizobium amphicarpaeae

General Information

Bradyrhizobium amphicarpaeae is a fascinating microorganism primarily known for its role in nitrogen fixation, a process that is crucial for plant growth and soil health. This bacterium forms symbiotic relationships with leguminous plants, particularly those in the genus Amphicarpaea. One of the most intriguing aspects of B. amphicarpaeae is its ability to form root nodules, specialized structures where nitrogen fixation occurs. What makes Bradyrhizobium amphicarpaeae particularly interesting is its efficiency in converting atmospheric nitrogen into a form that plants can readily use, such as ammonia. This capability not only enhances plant growth but also reduces the need for chemical fertilizers, making it a valuable organism for sustainable agriculture. Another unique feature of B. amphicarpaeae is its genetic adaptability. The bacterium possesses a large and diverse genome that allows it to thrive in various soil environments and establish symbiosis with different legume hosts. This genetic diversity is a subject of extensive research, as it provides insights into the mechanisms of symbiosis and nitrogen fixation. From a research perspective, Bradyrhizobium amphicarpaeae is also valuable for studying microbial ecology and evolution. Its interactions with plant hosts and other soil microorganisms offer a model system for understanding complex ecological networks. Additionally, the bacterium's ability to improve soil fertility and plant health makes it a candidate for biotechnological applications aimed at enhancing crop yields and promoting sustainable farming practices. In summary, Bradyrhizobium amphicarpaeae is a microorganism of significant interest due to its nitrogen-fixing capabilities, genetic adaptability, and potential applications in sustainable agriculture. Its study not only advances our understanding of microbial symbiosis but also offers practical benefits for improving agricultural productivity and environmental health.

Bradyrhizobium amphicarpaeae is a fascinating species of nitrogen-fixing bacteria that forms a symbiotic relationship with certain leguminous plants, particularly those in the genus Amphicarpaea. This organism is particularly interesting due to its ability to thrive in diverse environmental conditions, which makes it a valuable subject for research in agricultural and ecological contexts. Its unique adaptation to both aerobic and anaerobic environments allows it to colonize the root nodules of its host plants effectively, enhancing their nitrogen availability. One of the most notable characteristics of B. amphicarpaeae is its role in sustainable agriculture. By fixing atmospheric nitrogen, it contributes to soil fertility, reducing the need for chemical fertilizers. This not only promotes healthier crop growth but also supports environmentally friendly farming practices. The study of this bacterium can provide insights into improving crop yields and developing more resilient agricultural systems. Additionally, B. amphicarpaeae has been the subject of genomic studies, revealing its genetic adaptations that facilitate its symbiotic lifestyle. Understanding the genetic basis of its nitrogen-fixing capabilities can lead to biotechnological applications, such as the development of biofertilizers that harness these natural processes. In summary, Bradyrhizobium amphicarpaeae stands out as a significant organism in the realm of microbiology and agriculture, with its unique symbiotic relationships and potential contributions to sustainable practices making it a valuable focus for ongoing research.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Alphaproteobacteria

Order: Hyphomicrobiales

Family: Nitrobacteraceae

Genus: Bradyrhizobium

Species: Bradyrhizobium amphicarpaeae

NCBI ID

1404768

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/002/266/435/GCF_002266435.3_ASM226643v3

File for sequence-based predictions:
GCF_002266435.3_ASM226643v3_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Bradyrhizobium amphicarpaeae is primarily known for its role in nitrogen fixation in leguminous plants, particularly in symbiotic relationships. While it is not typically associated with human disease, its clinical relevance can be considered in the context of agriculture and environmental health. The presence of B. amphicarpaeae in soil can enhance soil fertility, which indirectly supports human health by improving food security through better crop yields. However, there is limited documentation regarding its pathogenicity or direct disease associations in humans. Its interactions with the human body are not well-studied, and it does not appear to have significant implications for immune evasion or antimicrobial resistance in clinical settings. In terms of medical applications, while B. amphicarpaeae itself is not used as a probiotic or therapeutic agent, the study of its symbiotic mechanisms may inspire future research into beneficial microbial interactions that could be harnessed for agricultural or health-related purposes. Overall, the clinical implications of Bradyrhizobium amphicarpaeae remain largely focused on its ecological and agricultural significance rather than direct impacts on human health.

Habitat and Ecological Niches

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

Bradyrhizobium amphicarpaeae is a nitrogen-fixing bacterium primarily associated with the root nodules of certain leguminous plants, particularly those in the genus Amphicarpaea. This microorganism thrives in a variety of terrestrial ecosystems, particularly in temperate grasslands and savannas, where it plays a crucial role in enhancing soil fertility through its nitrogen-fixing capabilities. In these biomes, B. amphicarpaeae forms a symbiotic relationship with its host plants, allowing them to access atmospheric nitrogen, which is essential for their growth. This interaction not only benefits the plants but also contributes to the overall health of the soil ecosystem by improving nutrient availability and promoting plant diversity. The presence of B. amphicarpaeae is particularly notable in areas with well-drained soils and moderate moisture levels, where it can effectively colonize the root systems of its host plants. Its ability to adapt to varying soil conditions and its role in nutrient cycling make it a vital component of the grassland biome. Furthermore, this bacterium can influence the microbial community dynamics in the soil, fostering a diverse array of microorganisms that contribute to soil health and resilience. Overall, Bradyrhizobium amphicarpaeae exemplifies the intricate relationships within terrestrial ecosystems and highlights the importance of microbial life in maintaining ecological balance.

Industrial Application

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

The microorganism Bradyrhizobium amphicarpaeae is primarily recognized for its role in biotechnology and agriculture, particularly in the context of nitrogen fixation. This bacterium forms symbiotic relationships with leguminous plants, enhancing soil fertility through the biological nitrogen fixation process. By converting atmospheric nitrogen into a form that plants can utilize, B. amphicarpaeae contributes significantly to sustainable agricultural practices, reducing the need for chemical fertilizers. In addition to its agricultural applications, B. amphicarpaeae has potential in waste management. Its ability to degrade organic matter can be harnessed in biodegradation processes, helping to break down waste materials in composting systems or bioremediation efforts. This capability is particularly valuable in managing agricultural waste, where the bacterium can assist in recycling nutrients back into the soil. Furthermore, the enzymatic activities of B. amphicarpaeae can be explored for biofuel production. The bacterium's metabolic processes may be utilized in the fermentation of biomass, converting plant materials into biofuels such as ethanol. This application aligns with the growing demand for renewable energy sources and the reduction of greenhouse gas emissions. Overall, Bradyrhizobium amphicarpaeae demonstrates significant potential across various industries, particularly in enhancing agricultural productivity, improving waste management practices, and contributing to sustainable biofuel production.

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: 10

LLM predicted phenotypes: 2

Phenotype	High-quality annotation	anthropic/claude-3.5-sonnet	meta-llama/llama-3-8b-instruct:nitro	google/gemini-flash-1.5	perplexity/llama-3-sonar-small-32k-chat	anthropic/claude-3-haiku:beta	mistralai/mistral-7b-instruct	google/gemini-pro	meta-llama/llama-3-70b-instruct:nitro	openchat/openchat-7b	microsoft/phi-3-mini-128k-instruct	microsoft/phi-3-mini-128k-instruct	mistralai/mixtral-8x7b-instruct:nitro	mistralai/mixtral-8x7b-instruct:nitro	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	google/gemini-pro-1.5	google/gemini-pro-1.5	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b	google/palm-2-chat-bison-32k	google/palm-2-chat-bison-32k	openai/gpt-4	openai/gpt-4	openai/gpt-4o	openai/gpt-4o	google/gemma-7b-it	google/gemma-7b-it
Motility	TRUE	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	false ✗	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓
Gram staining	gram stain negative	gram stain negative ✓	gram stain negative ✓	gram stain negative ✓	gram stain positive ✗	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 ✓	aerotolerant ✗	facultatively anaerobic ✗	N/A	N/A	N/A	N/A	N/A	N/A	facultatively anaerobic ✗	facultatively anaerobic ✗	facultatively anaerobic ✗	facultatively anaerobic ✗	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	aerobic ✓	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Extreme environment tolerance	FALSE	false ✓	true ✗	true ✗	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗
Biofilm formation	N/A	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	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 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 ✓
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	FALSE	false ✓	true ✗	false ✓	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓
Plant pathogenicity	FALSE	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓
Spore formation	FALSE	false ✓	true ✗	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
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 ✓

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