Antifungal Activity of Pseudomonas frederiksbergensis CMAA 1323 Isolated from the Antarctic Hair Grass Deschampsia antarctica
Itamar S. Melo, Wallace R. Souza, Leonardo J. Silva, Suikinai N. Santos, Marcia R. Assalin, Tiago D. Zucchi, Sonia C. N. Queiroz
Microbiology Research Journal International · pp. 1–11 · Published 18 Apr 2016
10.9734/BMRJ/2016/25314Abstract
Aims: Epiphytic bacteria, isolated from Deschampsia antarctica, were screened for their potential to inhibit the plant pathogen Botrytis cinerea, the causal agent of gray mold disease of strawberry pseudofruits. This phytopathogenic fungus is more active and the disease is more serious in temperate climate where the temperatures are lower. Methodology: The approach involved the isolation and characterization of bacteria from the phyllosphere of D. antarctica and the evaluation of their antifungal activity. Results: A total of 56 bacterial strains were isolated and only one of them, identified by the sequencing of 16S rDNA gene, as Pseudomonas frederiksbergensis CMAA 1323, inhibited the mycelial growth and the conidial germination of the fungus. Its ethyl acetate extract also inhibited the mycelial growth. Analysis of the bioactive fraction by using liquid chromatography coupled to a mass spectrometry (LC-MS) revealed the presence of cyclo(Pro-Val), a compound belonging to the class of diketopiperazines (DKPs). Conclusion: These findings support the potential use of the psychrophilic bacterium P. frederiksbergensis as promising antifungal agent, and highlight the need for more studies with this bacterium in the biological control of plant pathogenic fungi.
Cited by 12
Mengyan Hou, Chunyan Leng, Jun Zhu · Environmental Microbiome · 2024
Iman Amer Abdelhafiz Amer, M. S. Mikhail, Maryan M. Youssef · Journal of plant diseases and protection · 2024
Franciene Rabiço, Tiago Cabral Borelli, R. Alnoch · BioTech · 2024
José Esteban Torracchi C., M. Morel, Irán Tapia-Vázquez · Applied Microbiology and Biotechnology · 2020
R. Rodríguez, P. Durán · Frontiers in Bioengineering and Biotechnology · 2020
T. Silva, A. W. Duarte, M. Passarini · Polar Biology · 2018
T. Silva, A. W. Duarte, M. Passarini · Polar Biology · 2018
Meriem Wafaa Khalifa, Noureddine Rouag, Mariem Bouhadida · Agriculture · 2022
Bal Krishna, Parkash Verma, Rakesh Kumar · Extremophiles for Sustainable Agriculture and Soil Health Improvement · 2024
Arun Kumar Rai, Hemant Sharma · Survival Strategies in Cold-adapted Microorganisms · 2021
Related research
- Streptomyces nobilis C51 Suppresses Gray Mold Caused by Botrytis cinerea in Tomato — shares topic coverage
- Selection of Marine Actinomycetes with Bioactive Potential Isolated from Sediments of Bay of Bengal and Characterization of Promising Isolate, ABT-103 — shares topic coverage
- Phytochemical Analysis and In-vitro Antioxidant Activities of Some Selected Higher Fungi from Oyo State, South West of Nigeria — shares topic coverage
- Bioactive Compounds from Mangosteen Fruit Peels (Garcinia mangostana L.) and Assessment of their Antioxidant Potential — shares topic coverage
- Comparative Phytochemical Profiling and Antimicrobial Efficacy of Ganoderma and Shiitake Mushrooms: A Microbiological Perspective — shares topic coverage
Article metrics
Real usage data collected on this platform.
0
Page views
0
PDF downloads
0
Outbound clicks
12
Citations
Views by country
Approximate, from request IP at view time — not citizenship or institution. Countries with fewer than 5 views are grouped as "Other".
No views recorded yet.
Traffic sources
Referring site, by host.
No traffic recorded yet.
Views and downloads exclude known bots/crawlers. Citations combines this platform's own DOI-resolved index with each external source's own reported total — see Cited by above for individually listed citing works. Last refreshed 0 seconds ago.