Mesorhizobium loti

General Information

Mesorhizobium loti 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, such as Lotus japonicus, where it resides in root nodules and converts atmospheric nitrogen into ammonia, a form that plants can readily use. This symbiotic relationship is not only beneficial for the plants but also enhances soil fertility, making Mesorhizobium loti an important player in sustainable agriculture and ecosystem management. One of the most intriguing aspects of Mesorhizobium loti is its genetic makeup. The complete genome of Mesorhizobium loti MAFF303099 has been sequenced, revealing a wealth of information about its symbiotic capabilities and metabolic pathways. This genomic data has provided insights into the genes involved in nitrogen fixation, symbiosis, and other essential functions, making it a valuable model organism for studying plant-microbe interactions. Additionally, Mesorhizobium loti exhibits a high degree of genetic diversity, which allows it to adapt to various environmental conditions and host plants. This adaptability is particularly important for its survival and effectiveness in different soil types and climates, further underscoring its ecological significance. From a biotechnological perspective, Mesorhizobium loti holds potential for the development of biofertilizers, which can reduce the need for chemical fertilizers and promote sustainable agricultural practices. Its ability to enhance plant growth and soil health makes it a promising candidate for improving crop yields and maintaining ecological balance. In summary, Mesorhizobium loti is a microorganism of great interest due to its symbiotic nitrogen-fixing abilities, genomic insights, and biotechnological potential. Its role in promoting plant growth and soil fertility highlights its importance in both natural ecosystems and agricultural settings.

Mesorhizobium loti is a fascinating species of bacteria known for its symbiotic relationship with leguminous plants, particularly those in the genus Lotus. This organism is particularly interesting due to its ability to fix atmospheric nitrogen, a process that converts nitrogen gas into ammonia, which is a vital nutrient for plant growth. This capability not only enhances soil fertility but also plays a significant role in sustainable agriculture by reducing the need for chemical fertilizers. One of the unique aspects of M. loti is its genetic adaptability, which allows it to form effective nodules on the roots of its host plants. The bacteria enter the plant roots and establish a mutualistic relationship, where they provide the plant with nitrogen in exchange for carbohydrates and a protective environment. This interaction is a prime example of co-evolution, showcasing how both the bacteria and the plants have adapted to benefit from each other. From a research perspective, M. loti serves as an important model organism for studying plant-microbe interactions and symbiotic nitrogen fixation. Its relatively simple genome and the availability of genetic tools make it an excellent candidate for genetic engineering studies aimed at improving nitrogen fixation in crops. Furthermore, the study of M. loti can provide insights into the mechanisms of symbiosis, which could lead to advancements in agricultural practices and the development of more sustainable farming systems. In addition to its agricultural significance, M. loti has been the subject of various ecological studies, particularly in understanding the dynamics of microbial communities in soil ecosystems. Its ability to thrive in diverse environmental conditions makes it a valuable organism for studying microbial ecology and the role of bacteria in nutrient cycling. Overall, Mesorhizobium loti stands out not only for its practical applications in agriculture but also for its contributions to our understanding of microbial ecology and symbiotic relationships in nature.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Alphaproteobacteria

Order: Hyphomicrobiales

Family: Phyllobacteriaceae

Genus: Mesorhizobium

Species: Mesorhizobium loti

NCBI ID

381

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCA/013/170/705/GCA_013170705.1_ASM1317070v1

File for sequence-based predictions:
GCA_013170705.1_ASM1317070v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The bacterium Mesorhizobium loti is primarily known for its role in nitrogen fixation in leguminous plants, particularly in symbiotic relationships with species such as Lotus japonicus. While it is not typically associated with human disease, its clinical relevance can be observed in several areas: 1. Role in Human Health: Mesorhizobium loti contributes to soil health and agricultural productivity, indirectly impacting human health by enhancing food security through improved crop yields. Its nitrogen-fixing capabilities are crucial for sustainable agriculture, which is essential for maintaining a stable food supply. 2. Pathogenicity: Although Mesorhizobium loti is not considered a human pathogen, its close relatives in the Rhizobium genus have been studied for their potential to cause infections in immunocompromised individuals. However, documented cases of Mesorhizobium loti causing infections in humans are extremely rare. 3. Antimicrobial Resistance: There is limited information regarding antimicrobial resistance in Mesorhizobium loti, as it is not a common clinical isolate. However, the study of its genetic makeup may provide insights into resistance mechanisms that could be relevant in agricultural settings, particularly concerning the use of antibiotics in livestock. 4. Medical Applications: Research into Mesorhizobium loti has potential applications in biotechnology, particularly in the development of biofertilizers that can enhance plant growth without the need for chemical fertilizers. This has implications for reducing environmental impact and promoting sustainable agricultural practices. 5. Immune Evasion Strategies: While Mesorhizobium loti does not interact with the human immune system in a pathogenic context, its ability to form symbiotic relationships with plants involves complex signaling and immune modulation mechanisms that could provide insights into plant-microbe interactions. In summary, while Mesorhizobium loti is not directly linked to human diseases, its ecological and agricultural significance underscores its importance in promoting human health through sustainable practices. Further research may uncover additional roles or interactions that could enhance our understanding of its relevance in various fields.

Habitat and Ecological Niches

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

Mesorhizobium loti is a nitrogen-fixing bacterium primarily associated with the root nodules of leguminous plants, particularly those in the genus Lotus. This organism thrives in a variety of terrestrial ecosystems, including grasslands, savannas, and agricultural fields. Its ecological niche is closely linked to the symbiotic relationships it forms with host plants, which are crucial for nutrient cycling in these environments. In these biomes, Mesorhizobium loti plays a vital role in enhancing soil fertility by converting atmospheric nitrogen into a form that is accessible to plants. This process not only benefits the host plants but also contributes to the overall health of the ecosystem by improving soil structure and promoting biodiversity. Furthermore, the presence of Mesorhizobium loti can influence the composition of plant communities, as it allows certain legumes to thrive in nutrient-poor soils where other plants may struggle. This bacterium is particularly important in agroecosystems, where it is often utilized in sustainable agriculture practices to reduce the need for synthetic fertilizers. Overall, Mesorhizobium loti exemplifies the intricate relationships within terrestrial biomes, showcasing how microorganisms can significantly impact plant health and ecosystem dynamics through their symbiotic interactions.

Industrial Application

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

The bacterium Mesorhizobium loti is primarily known for its role in agricultural biotechnology and has significant potential in various industrial applications. This microorganism is a symbiotic nitrogen-fixing agent, particularly associated with leguminous plants, which enhances soil fertility through the process of biological nitrogen fixation. By converting atmospheric nitrogen into a form that plants can utilize, Mesorhizobium loti contributes to sustainable agriculture, reducing the need for chemical fertilizers and promoting eco-friendly farming practices. In addition to its agricultural benefits, Mesorhizobium loti has potential applications 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 can lead to improved waste treatment methods and reduced environmental impact. Furthermore, the metabolic pathways of Mesorhizobium loti can be explored for biofuel production. The organism's capacity to ferment various substrates may be utilized in the production of bioethanol or other biofuels, contributing to renewable energy solutions. Lastly, the enzymatic activities of Mesorhizobium loti can be investigated for pharmaceutical development. The enzymes produced by this microorganism may have applications in drug formulation or as biocatalysts in the synthesis of pharmaceutical compounds, showcasing its versatility in industrial biotechnology. Overall, Mesorhizobium loti presents a multifaceted potential for enhancing sustainability and efficiency across various industries.

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	anthropic/claude-3.5-sonnet	google/gemini-flash-1.5	perplexity/llama-3-sonar-small-32k-chat	anthropic/claude-3-haiku:beta	mistralai/mistral-7b-instruct	meta-llama/llama-3-8b-instruct:nitro	google/gemini-pro	google/gemma-7b-it	meta-llama/llama-3-70b-instruct:nitro	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	microsoft/phi-3-mini-128k-instruct	microsoft/phi-3-mini-128k-instruct	openchat/openchat-7b	openchat/openchat-7b
Motility	TRUE	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	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 ✓	aerobic ✓	N/A	N/A	N/A	N/A	N/A	N/A	N/A	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	N/A	N/A
Extreme environment tolerance	FALSE	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	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	false	false	true	true
Animal pathogenicity	N/A	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 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 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	true	true	true	true	true	true	true
Host association	TRUE	false ✗	false ✗	true ✓	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓
Plant pathogenicity	FALSE	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	true ✗	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	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 ✓
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 ✓	coccus ✗	coccus ✗	bacillus ✓	bacillus ✓

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