Shewanella decolorationis

General Information

Shewanella decolorationis is a fascinating microorganism known for its remarkable ability to reduce a wide range of metal ions. This characteristic makes it particularly valuable in bioremediation and environmental cleanup efforts. One of the most intriguing aspects of S. decolorationis is its capacity to reduce toxic metals such as chromium (VI) to less toxic forms, which can significantly mitigate environmental pollution. Another unique feature of S. decolorationis is its role in the decolorization of azo dyes, which are commonly used in the textile industry and are often difficult to degrade. This ability not only highlights its potential in wastewater treatment but also underscores its versatility in handling various environmental contaminants. From a research perspective, S. decolorationis is also notable for its electron transfer capabilities. It can transfer electrons to external electron acceptors, including insoluble metal oxides, which is a process of great interest in the study of microbial fuel cells and bioelectrochemical systems. This electron transfer ability is facilitated by its unique outer membrane cytochromes and other redox-active proteins. In summary, Shewanella decolorationis stands out due to its metal-reducing properties, dye decolorization abilities, and electron transfer mechanisms, making it a valuable organism for both environmental and bioelectrochemical research.

Shewanella decolorationis is a fascinating bacterium known for its remarkable ability to reduce a variety of metal ions and organic compounds, making it a subject of interest in bioremediation research. This organism is particularly notable for its capacity to decolorize azo dyes, which are commonly used in the textile industry and can be toxic to aquatic life. The enzymatic pathways involved in this decolorization process are being studied for their potential applications in wastewater treatment and environmental cleanup efforts. One of the unique features of Shewanella decolorationis is its versatility in electron transfer mechanisms. It can utilize a range of electron acceptors, including metals such as iron and manganese, which allows it to thrive in diverse environments, from marine sediments to contaminated soils. This adaptability not only enhances its survival but also positions it as a valuable organism for biotechnological applications. Furthermore, the metabolic pathways of Shewanella decolorationis are of great interest to researchers studying microbial fuel cells. The organism's ability to transfer electrons to electrodes can be harnessed to generate electricity from organic waste, presenting a dual benefit of energy production and waste management. The study of its genome has revealed genes associated with these electron transfer processes, providing insights into the molecular mechanisms that underpin its unique capabilities. In summary, Shewanella decolorationis stands out due to its bioremediation potential, versatile electron transfer capabilities, and applications in sustainable energy production. Its role in environmental microbiology and biotechnology continues to be a rich area for research and innovation.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Alteromonadales

Family: Shewanellaceae

Genus: Shewanella

Species: Shewanella decolorationis

NCBI ID

256839

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/007/923/045/GCF_007923045.3_ASM792304v4

File for sequence-based predictions:
GCF_007923045.3_ASM792304v4_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The organism Shewanella decolorationis is a gram-negative bacterium known for its ability to reduce metal ions and degrade various organic compounds. While it is primarily recognized for its environmental applications, its clinical implications are becoming increasingly relevant. Shewanella decolorationis has been associated with infections in immunocompromised patients, particularly those with underlying conditions such as diabetes or cancer. These infections can manifest as wound infections, bacteremia, and soft tissue infections, highlighting its potential pathogenicity in vulnerable populations. One of the notable features of Shewanella decolorationis is its ability to exhibit antimicrobial resistance, particularly to beta-lactam antibiotics. This resistance poses a significant challenge in clinical settings, as it limits treatment options for infections caused by this organism. The mechanisms of resistance may involve the production of beta-lactamases or alterations in membrane permeability, which are critical for its survival in hostile environments. In terms of immune evasion, Shewanella decolorationis can modulate host immune responses, potentially leading to chronic infections. Its ability to survive in various environments, including the human body, suggests that it may employ strategies to evade detection and destruction by the immune system. While Shewanella decolorationis is not commonly associated with outbreaks, its presence in clinical specimens underscores the importance of monitoring for this organism in patients with risk factors for infection. Further research is needed to fully understand its role in human health and disease, as well as its potential applications in bioremediation and biotechnology.

Habitat and Ecological Niches

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

Shewanella decolorationis is a versatile microorganism primarily associated with aquatic environments, particularly in freshwater and marine ecosystems. This bacterium is known for its ability to thrive in anoxic conditions, making it a key player in the biogeochemical cycling of organic matter in these habitats. It is often found in sediments and biofilms, where it can utilize a variety of electron acceptors, including metals and organic compounds, for its metabolic processes. In its ecological niche, Shewanella decolorationis plays a crucial role in the degradation of pollutants, particularly in environments contaminated with heavy metals and organic dyes. Its ability to reduce these compounds not only aids in bioremediation efforts but also contributes to the overall health of the ecosystem by facilitating the breakdown of toxic substances. Additionally, this microorganism exhibits notable symbiotic relationships with other organisms, including plants and fungi, enhancing nutrient availability and promoting plant growth in certain conditions. Its adaptability to varying environmental conditions, such as changes in salinity and temperature, underscores its ecological significance and resilience in diverse habitats. Overall, Shewanella decolorationis is an important member of the microbial community in aquatic biomes, contributing to nutrient cycling, pollutant degradation, and maintaining the ecological balance within its environment.

Industrial Application

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

The microorganism Shewanella decolorationis has shown significant potential in various industrial applications. One of the most notable areas is in biotechnology, where Shewanella decolorationis is utilized for its unique ability to perform biodegradation of environmental pollutants. This organism can reduce toxic metals and organic compounds, making it valuable in waste management processes aimed at detoxifying contaminated sites. In the realm of biofuel production, Shewanella decolorationis is recognized for its capacity to ferment a variety of substrates, including agricultural waste, to produce bioethanol and other biofuels. This fermentation process not only contributes to renewable energy sources but also aids in the reduction of waste. Furthermore, Shewanella decolorationis has been explored in pharmaceutical development due to its enzymatic activities. The organism produces various enzymes that can be harnessed for the synthesis of pharmaceutical compounds, enhancing the efficiency of drug production. Overall, the diverse capabilities of Shewanella decolorationis in fermentation, biodegradation, and enzyme production highlight its importance across multiple industries, making it a key player in sustainable practices and innovative biotechnological solutions.

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: 8

LLM predicted phenotypes: 5

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

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