Nejvíce citovaný článek - PubMed ID 5855299
Metabolites of Streptomyces noursei. V. Relation of the production of cycloheximide and actiphenol to the production of fungicidin
Streptomyces are of great interest in the pharmaceutical industry as they produce a plethora of secondary metabolites that act as antibacterial and antifungal agents. They may thrive on their own in the soil, or associate with other organisms, such as plants or invertebrates. Some soil-derived strains exhibit hemolytic properties when cultivated on blood agar, raising the question of whether hemolysis could be a virulence factor of the bacteria. In this work we examined hemolytic compound production in 23 β-hemolytic Streptomyces isolates; of these 12 were soil-derived, 10 were arthropod-associated, and 1 was plant-associated. An additional human-associated S. sp. TR1341 served as a control. Mass spectrometry analysis suggested synthesis of polyene molecules responsible for the hemolysis: candicidins, filipins, strevertene A, tetrafungin, and tetrin A, as well as four novel polyene compounds (denoted here as polyene A, B, C, and D) in individual liquid cultures or paired co-cultures. The non-polyene antifungal compounds actiphenol and surugamide A were also identified. The findings indicate that the ability of Streptomyces to produce cytolytic compounds (here manifested by hemolysis on blood agar) is an intrinsic feature of the bacteria in the soil environment and could even serve as a virulence factor when colonizing available host organisms. Additionally, a literature review of polyenes and non-polyene hemolytic metabolites produced by Streptomyces is presented.
- Klíčová slova
- Actinomycetales, Streptomyces, hemolysis, polyene antibiotics, secondary metabolites, soil ecosystem, symbiosis,
- MeSH
- antibakteriální látky farmakologie metabolismus MeSH
- antifungální látky farmakologie chemie MeSH
- faktory virulence metabolismus MeSH
- hemolýza MeSH
- lidé MeSH
- polyeny farmakologie chemie MeSH
- Streptomyces * chemie MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- přehledy MeSH
- Názvy látek
- antibakteriální látky MeSH
- antifungální látky MeSH
- faktory virulence MeSH
- polyeny MeSH
This review aims at comparing some historical data with the current situation in the study of biogenesis of natural compounds, antibiotics in the first place. Biogenesis of tetracyclines and cycloheximide and related compounds serves as example. Examples of molecular biological and bioinformatics methods used in the study of antibiotic biogenesis are described both in terms of its historical aspects and the current knowledge.
- MeSH
- antibakteriální látky biosyntéza metabolismus MeSH
- dějiny 20. století MeSH
- dějiny 21. století MeSH
- metabolické sítě a dráhy genetika MeSH
- objevování léků dějiny MeSH
- výpočetní biologie MeSH
- Check Tag
- dějiny 20. století MeSH
- dějiny 21. století MeSH
- Publikační typ
- časopisecké články MeSH
- historické články MeSH
- přehledy MeSH
- Názvy látek
- antibakteriální látky MeSH
- MeSH
- benzen metabolismus MeSH
- butyráty biosyntéza MeSH
- mutace MeSH
- papírová chromatografie MeSH
- piperaziny biosyntéza MeSH
- Streptomyces metabolismus MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- benzen MeSH
- butyráty MeSH
- piperaziny MeSH
- MeSH
- mechlorethamin MeSH
- mutace * MeSH
- nystatin farmakologie MeSH
- papírová chromatografie MeSH
- piperaziny biosyntéza MeSH
- sloučeniny dusíkatého yperitu farmakologie MeSH
- Streptomyces metabolismus účinky záření MeSH
- techniky in vitro MeSH
- ultrafialové záření MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- mechlorethamin MeSH
- nystatin MeSH
- piperaziny MeSH
- sloučeniny dusíkatého yperitu MeSH