Erwinia psidii

General Information

Erwinia psidii is a bacterium that has garnered significant attention due to its role as a plant pathogen, particularly affecting guava (Psidium guajava). This microorganism is notable for its ability to cause bacterial blight, a disease that can lead to severe economic losses in guava cultivation. One of the most interesting aspects of Erwinia psidii is its host specificity, primarily targeting guava plants, which makes it a critical subject of study for agricultural scientists and plant pathologists. The bacterium's pathogenicity is largely attributed to its production of various virulence factors, including enzymes and toxins that facilitate infection and spread within the host plant. Researchers are particularly interested in the molecular mechanisms underlying these virulence factors, as understanding them could lead to the development of effective control strategies and resistant guava cultivars. Another unique feature of Erwinia psidii is its ability to survive and persist in different environmental conditions, which poses a challenge for managing its spread. Studies on its environmental adaptability and survival strategies are crucial for developing comprehensive management practices. From a research perspective, Erwinia psidii serves as a model organism for studying plant-microbe interactions, host specificity, and the evolution of pathogenicity. Its impact on guava production also underscores the importance of ongoing research to mitigate its effects and ensure the sustainability of guava agriculture.**

Erwinia psidii is a fascinating bacterium primarily known for its role as a plant pathogen, particularly affecting members of the Myrtaceae family, including economically important crops like guava and eucalyptus. This organism is particularly interesting due to its ability to cause canker diseases, which can lead to significant agricultural losses. The pathogenicity of E. psidii is attributed to its production of cellulolytic enzymes that degrade plant cell walls, facilitating infection and colonization. One of the unique aspects of E. psidii is its genetic diversity, which can influence its virulence and adaptability to different environmental conditions. This diversity makes it a valuable subject for research in plant pathology, as understanding the genetic basis of its pathogenicity can lead to the development of resistant plant varieties or effective management strategies. Additionally, E. psidii has been studied for its potential use in biocontrol applications, where it could be utilized to manage other plant pathogens or pests. Its interactions with plant hosts and other microorganisms in the rhizosphere provide insights into microbial ecology and the complex relationships that govern plant health. Overall, Erwinia psidii serves as an important model organism for studying plant-microbe interactions, disease mechanisms, and the development of sustainable agricultural practices.

Taxonomy

Superkingdom: Bacteria

Phylum: Pseudomonadota

Class: Gammaproteobacteria

Order: Enterobacterales

Family: Erwiniaceae

Genus: Erwinia

Species: Erwinia psidii

NCBI ID

69224

Genome Info

FTP Path:
ftp.ncbi.nlm.nih.gov/genomes/all/GCF/003/846/135/GCF_003846135.1_ASM384613v1

File for sequence-based predictions:
GCF_003846135.1_ASM384613v1_genomic.fasta

Descriptions

Clinical Implications and Relevance

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

The bacterium Erwinia psidii is primarily known as a plant pathogen, particularly affecting species in the Myrtaceae family, such as guava and eucalyptus. While its direct clinical implications in human health are limited, its role in agriculture can indirectly impact human health through food supply and safety. Infections caused by Erwinia psidii in plants can lead to significant crop losses, which may affect food availability and economic stability in regions dependent on these crops. In terms of pathogenicity, Erwinia psidii employs various mechanisms to evade plant immune responses, including the production of exopolysaccharides that help it form biofilms and resist phagocytosis by plant defenses. This ability to evade plant immunity highlights its potential as a model organism for studying immune evasion strategies in pathogens. Currently, there is no documented evidence of Erwinia psidii being associated with human infections or diseases, nor is there any known antimicrobial resistance profile that would be relevant to human medicine. However, understanding its pathogenic mechanisms could provide insights into developing strategies for managing plant diseases, which is crucial for maintaining food security. In summary, while Erwinia psidii does not have direct clinical relevance to human health, its impact on agriculture and food supply chains underscores the importance of studying this organism in the context of plant pathology and its broader implications for human health.

Habitat and Ecological Niches

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

Erwinia psidii is a bacterium primarily associated with the tropical and subtropical regions where it thrives in various ecological niches. This microorganism is notably found in the phytopathogenic environments of plants, particularly affecting members of the Myrtaceae family, such as guava and eucalyptus. Its presence is often linked to the vascular tissues of these plants, where it can cause significant disease, leading to symptoms like wilting and fruit rot. In these biomes, Erwinia psidii plays a critical role as a pathogen, influencing plant health and productivity. The interactions it has with its host plants can lead to disease outbreaks, which may affect local ecosystems by altering plant community dynamics and impacting herbivore populations that rely on these plants for food. Additionally, this bacterium can be found in soil environments where it may interact with other microorganisms, contributing to the complex web of soil ecology. Its ability to adapt to various environmental conditions, such as moisture levels and nutrient availability, allows it to thrive in diverse habitats, from tropical rainforests to agricultural fields. Overall, Erwinia psidii exemplifies the intricate relationships within its biomes, showcasing its role as both a pathogen and a participant in the broader ecological interactions that define its habitats.

Industrial Application

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

The microorganism Erwinia psidii has shown potential in various industrial applications, particularly in the fields of biotechnology and waste management. This bacterium is known for its role in biodegradation, where it can break down complex organic compounds, making it useful in the treatment of agricultural waste and other organic materials. Its ability to degrade plant materials can be harnessed in composting processes, enhancing the efficiency of organic waste recycling. In the realm of biofuel production, Erwinia psidii can contribute to the conversion of biomass into fermentable sugars through its enzymatic activity. This process is crucial for the production of bioethanol, as the sugars can be fermented by other microorganisms to produce alcohol. The bacterium's enzymes, particularly cellulases and hemicellulases, play a significant role in the breakdown of cellulose and hemicellulose, thus facilitating the fermentation process. Moreover, in pharmaceutical development, Erwinia psidii has been studied for its potential in producing plant-based compounds that may have therapeutic properties. Its interactions with plant hosts can lead to the production of secondary metabolites, which are valuable in drug formulation and development. Overall, Erwinia psidii demonstrates significant promise in enhancing processes related to waste treatment, biofuel production, and pharmaceutical applications, making it a valuable organism in various industrial sectors.

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	anthropic/claude-3-haiku:beta	meta-llama/llama-3-8b-instruct:nitro	mistralai/mixtral-8x7b-instruct:nitro	perplexity/llama-3-sonar-small-32k-chat	google/palm-2-chat-bison-32k	openchat/openchat-7b	google/gemini-flash-1.5	google/gemma-7b-it	openai/gpt-4o	openai/gpt-4o	google/gemini-pro-1.5	google/gemini-pro-1.5	openai/gpt-3.5-turbo-0125	openai/gpt-3.5-turbo-0125	anthropic/claude-3.5-sonnet	anthropic/claude-3.5-sonnet	openai/gpt-4	openai/gpt-4	mistralai/mistral-7b-instruct	mistralai/mistral-7b-instruct	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	aerotolerant ✗	facultatively anaerobic ✗	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 ✗	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 ✓	false ✓	false ✓	false ✓	false ✓	false ✓	true ✗	false ✓	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	false	false	true	true	true	true	true	true
Animal pathogenicity	N/A	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	false
Biosafety level	biosafety level 1	biosafety level 2 ✗	biosafety level 1 ✓	biosafety level 1 ✓	biosafety level 2 ✗	biosafety level 2 ✗	biosafety level 2 ✗	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 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 ✓
Health association	N/A	true	true	true	true	true	true	true	true	true	true	true	true	false	false	true	true	true	true	true	true	true	true	false	false	true	true	true	true
Host association	N/A	false	false	true	true	false	false	false	false	false	false	false	false	false	false	false	false	false	false	true	true	true	true	false	false	false	false	false	false
Plant pathogenicity	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 ✓	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 ✓	false ✓
Hemolysis	N/A	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	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 ✓	bacillus ✓

Back to Search