Methods for Assessment of Resistance and Deoxynivalenol Production in Cereals Inoculated with Fusarium Culmorum

1997 ◽  
Vol 25 (3) ◽  
pp. 689-691
Author(s):  
L. Sundheim ◽  
W. Langseth ◽  
O. Elen ◽  
H. Skinnes ◽  
W. Liu
Keyword(s):  
Fusarium Culmorum

Ароматические карбоновые кислоты корневых экссудатов ячменя и их влияние на рост Fusarium culmorum и Pseudomonas fluorescens

2020 ◽  
Vol 56 (3) ◽  
pp. 292-300
Author(s):  
А. И. Шапошников ◽  
В. Ю. Шахназарова ◽  
Н. А. Вишневская ◽  
Е. В. Бородина ◽  
О. К. Струнникова
Keyword(s):  
Pseudomonas Fluorescens ◽  
Fusarium Culmorum

Genotypic and Environmental Variation of Trichothecene Production in Fusarium Culmorum Inoculated Rye, Triticale, and Wheat

1997 ◽  
Vol 25 (3) ◽  
pp. 685-688
Author(s):  
C. Reinbrecht ◽  
T. Miedaner ◽  
Margit Schollenberger ◽  
U. Lauber ◽  
H. H. Geiger
Keyword(s):  
Fusarium Culmorum ◽  
Environmental Variation

scholarly journals Cyclotide host-defense tailored for species and environments in violets from the Canary Islands

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Blazej Slazak ◽  
Klara Kaltenböck ◽  
Karin Steffen ◽  
Martyna Rogala ◽  
Priscila Rodríguez-Rodríguez ◽  
...  
Keyword(s):  
Host Defense ◽  
Canary Islands ◽  
Cyclic Peptides ◽  
Fusarium Culmorum ◽  
Host Defense Peptides ◽  
Biological Assays ◽  
Minimal Inhibitory Concentrations ◽  
Wide Range ◽  
The Common ◽  
Teide Volcano

AbstractCyclotides are cyclic peptides produced by plants. Due to their insecticidal properties, they are thought to be involved in host defense. Violets produce complex mixtures of cyclotides, that are characteristic for each species and variable in different environments. Herein, we utilized mass spectrometry (LC–MS, MALDI-MS), transcriptomics and biological assays to investigate the diversity, differences in cyclotide expression based on species and different environment, and antimicrobial activity of cyclotides found in violets from the Canary Islands. A wide range of different habitats can be found on these islands, from subtropical forests to dry volcano peaks at high altitudes. The islands are inhabited by the endemic Viola palmensis, V. cheiranthifolia, V. anagae and the common V. odorata. The number of cyclotides produced by a given species varied in plants from different environments. The highest diversity was noted in V. anagae which resides in subtropical forest and the lowest in V. cheiranthifolia from the Teide volcano. Transcriptome sequencing and LC–MS were used to identify 23 cyclotide sequences from V. anagae. Cyclotide extracts exhibited antifungal activities with the lowest minimal inhibitory concentrations noted for V. anagae (15.62 μg/ml against Fusarium culmorum). The analysis of the relative abundance of 30 selected cyclotides revealed patterns characteristic to both species and populations, which can be the result of genetic variability or environmental conditions in different habitats. The current study exemplifies how plants tailor their host defense peptides for various habitats, and the usefulness of cyclotides as markers for chemosystematics.

scholarly journals The Potential of Rhizoctonia-Like Fungi for the Biological Protection of Cereals against Fungal Pathogens

Plants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 349
Author(s):  
Dominik Bleša ◽  
Pavel Matušinský ◽  
Romana Sedmíková ◽  
Milan Baláž
Keyword(s):  
Biological Control ◽  
Fungal Pathogens ◽  
Plant Pathogens ◽  
Higher Plants ◽  
Fusarium Culmorum ◽  
Suppressive Effect ◽  
Plant Production ◽  
Shoot Biomass ◽  
Organic Substrates

The use of biological control is becoming a common practice in plant production. One overlooked group of organisms potentially suitable for biological control are Rhizoctonia-like (Rh-like) fungi. Some of them are capable of forming endophytic associations with a large group of higher plants as well as mycorrhizal symbioses. Various benefits of endophytic associations were proved, including amelioration of devastating effects of pathogens such as Fusarium culmorum. The advantage of Rh-like endophytes over strictly biotrophic mycorrhizal organisms is the possibility of their cultivation on organic substrates, which makes their use more suitable for production. We focused on abilities of five Rh-like fungi isolated from orchid mycorrhizas, endophytic fungi Serendipita indica, Microdochium bolleyi and pathogenic Ceratobasidium cereale to inhibit the growth of pathogenic F. culmorum or Pyrenophora teres in vitro. We also analysed their suppressive effect on wheat infection by F. culmorum in a growth chamber, as well as an effect on barley under field conditions. Some of the Rh-like fungi affected the growth of plant pathogens in vitro, then the interaction with plants was tested. Beneficial effect was especially noted in the pot experiments, where wheat plants were negatively influenced by F. culmorum. Inoculation with S. indica caused higher dry shoot biomass in comparison to plants treated with fungicide. Prospective for future work are the effects of these endophytes on plant signalling pathways, factors affecting the level of colonization and surviving of infectious particles.

Evaluation of Spring and Winter Wheat Reaction to Fusarium culmorum and Fusarium avenaceum

1997 ◽  
Vol 145 (2-3) ◽  
pp. 99-103 ◽  
Author(s):  
S. Wojciechowski ◽  
J. Chelkowski ◽  
A. Ponitka ◽  
A. Šlusarkiewicz-Jarzina
Keyword(s):  
Winter Wheat ◽  
Fusarium Culmorum ◽  
Fusarium Avenaceum

Transformations of Steroid Esters by Fusarium culmorum

2006 ◽  
Vol 61 (11-12) ◽  
pp. 809-814 ◽  
Author(s):  
Alina Świzdor ◽  
Teresa Kołek ◽  
Anna Szpineter
Keyword(s):  
Chlorine Atom ◽  
Testosterone Propionate ◽  
Fusarium Culmorum ◽  
Quantitative Composition ◽  
Main Metabolite ◽  
17Β Estradiol ◽  
Hydrolysis Of ◽  
Regioselective Hydrolysis

Keywords The course of transformations of the pharmacological steroids: testosterone propionate, 4-chlorotestosterone acetate, 17β-estradiol diacetate and their parent alcohols in Fusarium culmorum AM282 culture was compared. The results show that this microorganism is capable of regioselective hydrolysis of ester bonds. Only 4-ene-3-oxo steroid esters were hydrolyzed at C-17. 17β-Estradiol diacetate underwent regioselective hydrolysis at C-3 and as a result, estrone - the main metabolite of estradiol - was absent in the reaction mixture. The alcohols resulting from the hydrolysis underwent oxidation at C-17 and hydroxylation. The same products (6β- and 15α-hydroxy derivatives) as from testosterone were formed by transformation of testosterone propionate, but the quantitative composition of the mixtures obtained after transformations of both substrates showed differences. The 15α-hydroxy deriv­atives were obtained from the ester in considerably higher yield than from the parent alcohol. The presence of the chlorine atom at C-4 markedly reduced 17β-saponification in 4-chloro- testosterone acetate. Only 3β,15α-dihydroxy-4α-chloro-5α-androstan-17-one (the main prod­uct of transformation of 4-chlorotestosterone) was identified in the reaction mixture. 6β- Hydroxy-4-chloroandrostenedione, which was formed from 4-chlorotestosterone, was |not de­tected in the extract obtained after conversion of its ester.

A New Report on Mycosynthesis of Silver Nanoparticles by Fusarium culmorum

2010 ◽  
Vol 6 (4) ◽  
pp. 376-380 ◽  
Author(s):  
Manisha Bawaskar ◽  
Swapnil Gaikwad ◽  
Avinash Ingle ◽  
Dnyaneshwar Rathod ◽  
Aniket Gade ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Fusarium Culmorum

scholarly journals Development of a Highly Sensitive FcMito qPCR Assay for the Quantification of the Toxigenic Fungal Plant Pathogen Fusarium culmorum

Toxins ◽  
2018 ◽  
Vol 10 (5) ◽  
pp. 211 ◽  
Author(s):  
Katarzyna Bilska ◽  
Tomasz Kulik ◽  
Anna Ostrowska-Kołodziejczak ◽  
Maciej Buśko ◽  
Matias Pasquali ◽  
...  
Keyword(s):  
Plant Pathogen ◽  
Fusarium Culmorum ◽  
Qpcr Assay ◽  
Highly Sensitive ◽  
Fungal Plant Pathogen
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