Shewanella septentrionalis

General Information

Shewanella septentrionalis is a fascinating microorganism that has garnered significant interest in the scientific community due to its unique metabolic capabilities and environmental adaptability. One of the most remarkable features of S. septentrionalis is its ability to reduce a wide range of electron acceptors, including metals and metalloids, which makes it a key player in biogeochemical cycles. This metabolic versatility is not only crucial for its survival in diverse environments but also holds potential for biotechnological applications, such as bioremediation of contaminated sites. Another intriguing aspect of S. septentrionalis is its capacity to thrive in cold environments, which is reflected in its name, with 'septentrionalis' indicating its northern, often Arctic, habitats. This psychrophilic nature allows researchers to study the mechanisms of cold adaptation, which can provide insights into protein stability and function at low temperatures. Moreover, S. septentrionalis has been studied for its role in the microbial fuel cell technology due to its ability to transfer electrons to electrodes, thereby generating electricity. This characteristic underscores its potential in sustainable energy production. In summary, Shewanella septentrionalis is a microorganism of great interest due to its metabolic diversity, cold adaptation, and potential applications in bioremediation and bioenergy. Its study not only advances our understanding of microbial ecology and evolution but also opens up new avenues for environmental and industrial biotechnology.

Shewanella septentrionalis is a fascinating marine bacterium that thrives in cold, deep-sea environments, particularly in Arctic and Antarctic regions. This organism is notable for its remarkable metabolic versatility, allowing it to utilize a wide range of electron acceptors, including metals and other compounds, for respiration. This capability makes S. septentrionalis an important player in biogeochemical cycles, particularly in the reduction of iron and manganese, which can influence nutrient availability and ecosystem dynamics in its native habitats. One of the most intriguing aspects of Shewanella septentrionalis is its ability to perform extracellular electron transfer. This process enables the bacterium to transfer electrons to solid substrates, such as metal oxides, which is a key feature for its survival in nutrient-limited environments. This characteristic has garnered interest in the field of bioenergy, as it opens up potential applications in microbial fuel cells and bioremediation strategies. Additionally, S. septentrionalis has been studied for its unique enzymatic capabilities, particularly in the degradation of complex organic compounds. This makes it a valuable organism for research into bioremediation, as it may be employed to clean up contaminated environments by breaking down pollutants. Furthermore, the genomic analysis of Shewanella septentrionalis has revealed a wealth of information regarding its metabolic pathways and adaptations to extreme conditions. This research not only enhances our understanding of microbial life in extreme environments but also provides insights into evolutionary processes and the potential for biotechnological applications. In summary, Shewanella septentrionalis stands out due to its extreme adaptability, metabolic diversity, and potential applications in environmental biotechnology, making it a significant subject of study in microbiology and environmental science.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Alteromonadales

Family: Shewanellaceae

Genus: Shewanella

Species: Shewanella septentrionalis

NCBI ID

2952223

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/025/370/265/GCF_025370265.1_ASM2537026v1

File for sequence-based predictions:
GCF_025370265.1_ASM2537026v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Shewanella septentrionalis is a gram-negative bacterium that has garnered attention due to its potential clinical implications. It is primarily known for its role in marine environments, but its presence in human health contexts is becoming increasingly recognized. Clinical relevance includes its association with wound infections and soft tissue infections, particularly in individuals with compromised immune systems or those with open wounds exposed to marine environments. The organism has been isolated from various clinical specimens, indicating its potential as an opportunistic pathogen. One of the notable features of Shewanella septentrionalis is its ability to produce hydrogen sulfide, which can contribute to tissue damage and complicate infections. Pathogenicity is often linked to its ability to evade the immune response, although specific mechanisms remain under investigation. The organism's antimicrobial resistance profile is also a concern, as it has shown resistance to multiple classes of antibiotics, complicating treatment options for infected patients. In terms of medical applications, while Shewanella septentrionalis is not widely used in probiotics or therapeutics, its unique metabolic capabilities are being studied for potential biotechnological applications, such as bioremediation and bioenergy production. However, its clinical implications necessitate caution, particularly in vulnerable populations, due to its potential to cause serious infections.

Habitat and Ecological Niches

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

Shewanella septentrionalis is a versatile microorganism primarily found in marine environments, particularly in cold, deep-sea habitats. This organism thrives in subpolar regions and is often associated with sediments and hydrothermal vents, where it plays a crucial role in biogeochemical cycles. Its ability to reduce metals and utilize a variety of electron acceptors makes it an important player in the carbon and nitrogen cycles within these ecosystems. In these marine biomes, S. septentrionalis exhibits notable interactions with its surroundings, including symbiotic relationships with other microorganisms. It can participate in microbial mats and biofilms, contributing to nutrient cycling and energy flow. The organism's metabolic flexibility allows it to adapt to varying environmental conditions, such as changes in temperature and salinity, which are common in its native habitats. Furthermore, S. septentrionalis is known for its ability to degrade organic matter, thus playing a significant role in the decomposition process within its ecosystem. This degradation not only recycles nutrients but also supports the overall health of the marine biome by maintaining the balance of microbial communities. Its presence in anoxic environments highlights its importance in the study of anaerobic processes and the potential for bioremediation in polluted marine areas.

Industrial Application

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

The microorganism Shewanella septentrionalis has shown significant potential in various industrial applications due to its unique metabolic capabilities. One of the most notable areas is in biotechnology, where S. septentrionalis is utilized in bioremediation processes. This organism can reduce metal ions, such as iron and manganese, making it valuable for the detoxification of contaminated environments, particularly in mining and industrial waste sites. In the realm of waste management, S. septentrionalis plays a crucial role in anaerobic digestion, where it contributes to the breakdown of organic matter, enhancing the efficiency of waste treatment facilities. Its ability to utilize a variety of electron acceptors allows it to thrive in diverse waste environments, promoting the conversion of waste into useful byproducts. Furthermore, S. septentrionalis is recognized for its potential in biofuel production. The organism can facilitate the fermentation of organic substrates, leading to the generation of biohydrogen and other biofuels. This process not only provides a renewable energy source but also contributes to reducing greenhouse gas emissions. In pharmaceutical development, the enzymatic activities of S. septentrionalis are being explored for the production of valuable compounds. Its unique enzymes can catalyze reactions that are beneficial in synthesizing pharmaceuticals, thus opening avenues for innovative drug development. Overall, Shewanella septentrionalis demonstrates a multifaceted utility across various industries, particularly in bioremediation, waste treatment, biofuel production, and pharmaceutical synthesis, making it a microorganism of great interest for future 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: 4

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

Back to Search