Pectobacterium brasiliense

General Information

Pectobacterium brasiliense is a fascinating bacterium primarily known for its role as a plant pathogen. This microorganism belongs to the family Pectobacteriaceae and is closely related to other species within the Pectobacterium genus. One of the most noteworthy characteristics of P. brasiliense is its ability to cause soft rot diseases in a wide range of plant hosts, including economically important crops such as potatoes, carrots, and tomatoes. The pathogenicity of P. brasiliense is largely attributed to its production of plant cell wall-degrading enzymes, such as pectinases, cellulases, and proteases. These enzymes break down the plant's structural components, leading to tissue maceration and the characteristic soft rot symptoms. This makes P. brasiliense a significant concern in agriculture, as it can lead to substantial crop losses and affect food supply chains. From a research perspective, P. brasiliense is particularly interesting due to its genetic diversity and adaptive mechanisms. Studies have shown that this bacterium can rapidly evolve and adapt to different environmental conditions, which poses challenges for disease management and control. Understanding the genetic basis of its virulence and adaptability can provide insights into developing more effective strategies for combating plant diseases caused by this pathogen. Moreover, P. brasiliense serves as a model organism for studying plant-microbe interactions. Research on this bacterium can shed light on the molecular mechanisms underlying plant defense responses and pathogen attack strategies. This knowledge is invaluable for breeding disease-resistant plant varieties and improving agricultural sustainability. In summary, Pectobacterium brasiliense is a highly significant plant pathogen with unique enzymatic capabilities and adaptive traits that make it a key subject of study in plant pathology and agricultural research.

Pectobacterium brasiliense is a fascinating bacterium primarily known for its role as a plant pathogen, particularly affecting various crops such as potatoes and other members of the Solanaceae family. This organism is part of the larger genus Pectobacterium, which is notorious for causing soft rot in plants due to its ability to produce pectinolytic enzymes that degrade pectin in plant cell walls. What makes P. brasiliense particularly interesting is its unique enzymatic profile, which allows it to thrive in diverse environmental conditions and contribute to significant agricultural losses. One of the key characteristics of P. brasiliense is its ability to produce a range of exoenzymes, including pectinases and cellulases, which not only facilitate its pathogenicity but also make it a subject of interest in biotechnological applications. Researchers are exploring these enzymes for their potential use in the food industry, particularly in fruit juice clarification and the processing of plant materials. Additionally, P. brasiliense has been studied for its interactions with plant hosts, providing insights into the mechanisms of plant-pathogen interactions. Understanding these interactions can lead to the development of more effective disease management strategies and the breeding of resistant plant varieties. Furthermore, the genetic diversity within P. brasiliense populations presents an intriguing area for research, as it may reveal how different strains adapt to various environmental pressures and host plants. This adaptability underscores the importance of studying P. brasiliense not only for its impact on agriculture but also for its potential contributions to microbial ecology and evolutionary biology.**

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Enterobacterales

Family: Pectobacteriaceae

Genus: Pectobacterium

Species: Pectobacterium brasiliense

NCBI ID

180957

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/009/873/295/GCF_009873295.1_ASM987329v1

File for sequence-based predictions:
GCF_009873295.1_ASM987329v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The bacterium Pectobacterium brasiliense is primarily known for its role as a plant pathogen, particularly affecting crops such as potatoes and other members of the Solanaceae family. However, its clinical implications in human health are less well-documented compared to other pathogens. There is emerging evidence suggesting that Pectobacterium brasiliense may have potential associations with infections in immunocompromised individuals, although these cases are rare and not fully characterized. Pathogenicity in plants is attributed to its ability to produce cellulolytic enzymes and pectinolytic enzymes, which facilitate tissue maceration and disease progression in host plants. In terms of antimicrobial resistance, there is limited information available, but like many bacteria, it may possess mechanisms that confer resistance to certain antibiotics, which could complicate treatment in cases of opportunistic infections. The organism's interaction with the human body is not well-studied, and its immune evasion strategies remain largely unknown. While Pectobacterium brasiliense is not currently recognized as a significant human pathogen, its potential role in infections among vulnerable populations warrants further investigation. Additionally, understanding its pathogenic mechanisms in plants may provide insights into developing biocontrol strategies or therapeutic applications in agriculture, which could indirectly impact human health by ensuring food security and reducing the use of chemical pesticides.

Habitat and Ecological Niches

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

Pectobacterium brasiliense is primarily associated with agricultural ecosystems and soil environments, particularly in regions where it can thrive as a plant pathogen. This bacterium is known to inhabit the rhizosphere of various plants, where it plays a significant role in the plant-microbe interactions that characterize these biomes. Its presence is often linked to the decay of plant tissues, particularly in crops such as potatoes and other root vegetables, leading to the phenomenon known as soft rot. In these agricultural biomes, Pectobacterium brasiliense can be found in moist, nutrient-rich soils that provide the necessary conditions for its growth and pathogenicity. The bacterium utilizes plant exudates as a source of nutrients, establishing a symbiotic relationship that can turn pathogenic under certain stress conditions, such as waterlogging or mechanical injury to the plant. Moreover, this microorganism contributes to the decomposition processes within the soil, breaking down organic matter and recycling nutrients back into the ecosystem. Its interactions with other soil microorganisms can influence the overall health of the soil microbiome, affecting plant growth and productivity. Overall, Pectobacterium brasiliense exemplifies the complex dynamics of agricultural ecosystems, where it can act both as a beneficial decomposer and a detrimental pathogen, highlighting the delicate balance within these biomes.

Industrial Application

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

The microorganism Pectobacterium brasiliense has shown significant potential in various industrial applications. One of the primary areas of interest is in biotechnology, where Pectobacterium brasiliense is utilized for its ability to produce plant cell wall-degrading enzymes. These enzymes can be harnessed in the bioconversion of agricultural waste into valuable products, such as biofuels and bioplastics, by breaking down complex polysaccharides into simpler sugars that can be fermented by other microorganisms. In the realm of waste management, Pectobacterium brasiliense has demonstrated capabilities in biodegradation, particularly in the breakdown of organic matter in composting processes. This can enhance the efficiency of composting systems, leading to faster decomposition and improved nutrient cycling. Furthermore, the organism has potential applications in pharmaceutical development. Its enzymatic activities can be explored for the production of bioactive compounds that may have therapeutic properties. For instance, the enzymes produced by Pectobacterium brasiliense could be investigated for their roles in the synthesis of novel antibiotics or other medicinal compounds. Overall, the versatility of Pectobacterium brasiliense in these industrial sectors highlights its importance as a valuable microorganism in the ongoing search for sustainable solutions in biotechnology, waste management, and pharmaceutical innovation.

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	perplexity/llama-3-sonar-small-32k-chat	mistralai/mistral-7b-instruct	meta-llama/llama-3-8b-instruct:nitro	microsoft/phi-3-mini-128k-instruct	openchat/openchat-7b	google/gemini-flash-1.5	google/gemini-pro	meta-llama/llama-3-70b-instruct:nitro	openai/gpt-4	openai/gpt-4	openai/gpt-4o	openai/gpt-4o	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	google/palm-2-chat-bison-32k	google/palm-2-chat-bison-32k	anthropic/claude-3-haiku:beta	anthropic/claude-3-haiku:beta	google/gemma-7b-it	google/gemma-7b-it	microsoft/wizardlm-2-8x22b	microsoft/wizardlm-2-8x22b
Motility	TRUE	true ✓	true ✓	true ✓	true ✓	false ✗	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 ✓	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	facultatively anaerobic	N/A	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	facultatively anaerobic	facultatively anaerobic	facultatively anaerobic	facultatively anaerobic	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Extreme environment tolerance	FALSE	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	true ✗	true ✗	false ✓	false ✓
Biofilm formation	N/A	true	true	true	true	false	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true	true
Animal pathogenicity	FALSE	false ✓	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	true ✗	false ✓	false ✓
Biosafety level	biosafety level 1	biosafety level 1 ✓	biosafety level 2 ✗	biosafety level 2 ✗	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 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 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓
Health association	N/A	true	true	true	false	false	false	true	true	true	true	true	true	true	true	true	false	false	true	true	true	true	true	true	true	true	true	true
Host association	TRUE	false ✗	true ✓	true ✓	false ✗	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	true ✓	true ✓	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗	false ✗
Plant pathogenicity	TRUE	true ✓	true ✓	true ✓	true ✓	false ✗	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	true ✓	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 ✓	bacillus ✓	bacillus ✓	bacillus ✓	bacillus ✓

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