Shewanella halifaxensis

General Information

Shewanella halifaxensis is a fascinating microorganism that has garnered significant interest in the scientific community due to its unique metabolic capabilities and environmental adaptability. This bacterium is particularly notable for its ability to reduce a wide range of electron acceptors, including metals and organic compounds, which makes it a key player in biogeochemical cycles. One of the most intriguing aspects of S. halifaxensis is its capacity for dissimilatory metal reduction, which has potential applications in bioremediation, especially in environments contaminated with heavy metals and radionuclides. Additionally, S. halifaxensis has been studied for its role in the degradation of hydrocarbons, making it valuable for understanding and mitigating the impacts of oil spills. The organism's versatility in utilizing various electron acceptors also suggests potential for bioenergy production, particularly in microbial fuel cells where it can contribute to electricity generation. From a genomic perspective, S. halifaxensis possesses a diverse array of genes associated with electron transport and energy conservation, highlighting its evolutionary adaptation to fluctuating environmental conditions. This genetic diversity not only underscores its ecological importance but also provides a rich resource for biotechnological exploitation. In summary, Shewanella halifaxensis stands out due to its remarkable metabolic diversity, environmental resilience, and biotechnological potential, making it a subject of ongoing research in fields ranging from environmental science to renewable energy. Its ability to interact with and transform various environmental pollutants underscores its significance in both natural and engineered ecosystems.

Shewanella halifaxensis is a fascinating marine bacterium that has garnered attention for its unique metabolic capabilities and ecological significance. This organism is particularly notable for its ability to reduce a variety of metal ions, including iron and manganese, which plays a crucial role in biogeochemical cycling in marine environments. This characteristic makes S. halifaxensis a valuable organism for bioremediation efforts, especially in contaminated aquatic systems. One of the most interesting aspects of S. halifaxensis is its capacity to utilize a wide range of electron acceptors, allowing it to thrive in diverse environments, from deep-sea sediments to coastal waters. This metabolic versatility not only contributes to its ecological adaptability but also positions it as a model organism for studying electron transfer processes in bacteria. Additionally, S. halifaxensis has been studied for its potential applications in bioenergy production. Its ability to generate electricity through microbial fuel cells highlights its importance in the development of sustainable energy solutions. The organism's unique electron transport mechanisms are of particular interest to researchers aiming to harness microbial processes for energy generation. Furthermore, S. halifaxensis is known for its production of exopolysaccharides, which can have implications in biofilm formation and stability. This characteristic is significant for understanding microbial interactions in natural and engineered systems. The study of these exopolysaccharides may lead to advancements in biotechnology, particularly in the fields of materials science and environmental engineering. In summary, Shewanella halifaxensis stands out due to its remarkable metabolic flexibility, potential for bioremediation, applications in bioenergy, and contributions to our understanding of microbial ecology. Its unique traits make it a subject of ongoing research with promising implications for environmental and industrial applications.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Alteromonadales

Family: Shewanellaceae

Genus: Shewanella

Species: Shewanella halifaxensis

NCBI ID

271098

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/003/112/715/GCF_003112715.1_ASM311271v1

File for sequence-based predictions:
GCF_003112715.1_ASM311271v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The microorganism Shewanella halifaxensis is a gram-negative bacterium that has garnered attention due to its potential clinical implications. It is primarily known for its role in infections associated with marine environments, particularly in individuals with compromised immune systems or open wounds. Clinical cases have reported its isolation from patients suffering from soft tissue infections, wound infections, and bacteremia, particularly in those with underlying health conditions such as diabetes or liver disease. One of the notable aspects of Shewanella halifaxensis is its ability to thrive in anaerobic conditions and its capacity for metal reduction, which may contribute to its pathogenicity in certain environments. The organism exhibits antimicrobial resistance, particularly to beta-lactam antibiotics, which complicates treatment options for infections it may cause. This resistance is often attributed to the presence of specific genes that confer the ability to degrade or modify antibiotics, making it a concern in clinical settings. In terms of immune evasion, Shewanella halifaxensis can produce biofilms, which protect it from host immune responses and enhance its survival in hostile environments. This characteristic is particularly relevant in chronic infections, where biofilm formation can lead to persistent and difficult-to-treat infections. While Shewanella halifaxensis is not commonly associated with outbreaks, its presence in clinical specimens highlights the importance of monitoring marine-associated pathogens, especially in coastal regions where exposure to contaminated water is possible. Overall, understanding the clinical implications of Shewanella halifaxensis is crucial for improving patient outcomes and developing effective treatment strategies.

Habitat and Ecological Niches

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

Shewanella halifaxensis is a versatile bacterium commonly found in marine environments, particularly in coastal sediments and deep-sea ecosystems. This microorganism thrives in anaerobic conditions, where it plays a crucial role in the biogeochemical cycling of carbon and sulfur. Its ability to reduce metal ions, such as manganese and iron, makes it an important player in the sediment ecosystem, contributing to the mineralization processes that recycle nutrients back into the environment. In addition to its ecological roles, Shewanella halifaxensis exhibits notable interactions with its surroundings. It is known for its ability to form biofilms, which can enhance its survival in fluctuating environmental conditions. These biofilms can also facilitate symbiotic relationships with other microorganisms, promoting a diverse microbial community that can adapt to varying nutrient availability. Furthermore, this bacterium has been studied for its potential in bioremediation, particularly in environments contaminated with heavy metals or organic pollutants. Its metabolic versatility allows it to thrive in extreme conditions, such as high salinity and varying temperatures, making it a model organism for understanding microbial adaptation in extreme marine habitats. Overall, Shewanella halifaxensis is a key organism in its biome, contributing to nutrient cycling, forming complex microbial communities, and demonstrating remarkable adaptability to its environment.

Industrial Application

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

The microorganism Shewanella halifaxensis 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. halifaxensis is utilized in bioremediation processes. This organism can reduce metal ions, such as manganese and iron, which makes it valuable for cleaning up contaminated environments, particularly in mining and industrial waste sites. In the realm of waste management, S. halifaxensis has been studied for its ability to degrade organic pollutants, contributing to waste treatment systems that aim to minimize environmental impact. Its capacity to utilize a wide range of substrates allows it to thrive in diverse waste streams, enhancing the efficiency of biodegradation processes. Furthermore, S. halifaxensis is recognized for its role in biofuel production. The organism can participate in fermentation processes that convert organic materials into biofuels, such as ethanol and hydrogen. This capability is particularly important in the development of sustainable energy sources, as it can utilize waste biomass, thus contributing to a circular economy. In pharmaceutical development, S. halifaxensis has been explored for its potential in producing bioactive compounds. Its enzymatic activities can lead to the synthesis of novel pharmaceuticals, making it a candidate for further research in drug discovery and development. Overall, the diverse metabolic pathways and environmental adaptability of Shewanella halifaxensis position it as a promising organism in various industrial sectors, particularly in bioremediation, waste treatment, biofuel production, and pharmaceutical development.

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	anthropic/claude-3-haiku:beta	mistralai/mixtral-8x7b-instruct:nitro	google/gemini-flash-1.5	perplexity/llama-3-sonar-small-32k-chat	google/palm-2-chat-bison-32k	mistralai/mistral-7b-instruct	meta-llama/llama-3-8b-instruct:nitro	meta-llama/llama-3-70b-instruct:nitro	openchat/openchat-7b	openai/gpt-4	openai/gpt-4	google/gemini-pro-1.5	google/gemini-pro-1.5	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	openai/gpt-4o	openai/gpt-4o	microsoft/phi-3-mini-128k-instruct	microsoft/phi-3-mini-128k-instruct	google/gemini-pro	google/gemini-pro	google/gemma-7b-it	google/gemma-7b-it	anthropic/claude-3.5-sonnet	anthropic/claude-3.5-sonnet	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b
Motility	TRUE	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	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	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	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	TRUE	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓	false ✗	false ✗	true ✓	true ✓	true ✓	true ✓	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	TRUE	true ✓	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗
Biosafety level	biosafety level 1	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 2 ✗	biosafety level 2 ✗	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 2 ✗	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 1 ✓
Health association	N/A	true	true	false	true	false	true	true	false	false	false	false	true	true	false	false	false	false	true	true	true	true	true	true	false	false	true	true
Host association	FALSE	true ✗	true ✗	false ✓	true ✗	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	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 ✓
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	alpha	N/A	gamma	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 ✓	spirillum ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	coccus ✗	coccus ✗	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓

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