Results 11 to 20 of about 3,624 (212)

Discovery of Three New Phytotoxins from the Fungus Aspergillus nidulans by Pathway Inactivation

open access: yesMolecules, 2019
Fungi are a source of novel phytotoxic compounds to be explored in the search for effective and environmentally safe herbicides. The genetic inactivation of the biosynthetic pathway of the new phytotoxin cichorine has led to the isolation of three novel ...
Lijuan Liao   +5 more
doaj   +2 more sources

Bacillus subtilis PTA-271 Counteracts Botryosphaeria Dieback in Grapevine, Triggering Immune Responses and Detoxification of Fungal Phytotoxins [PDF]

open access: yesFrontiers in Plant Science, 2019
Plant pathogens have evolved various strategies to enter hosts and cause diseases. Particularly Neofusicoccum parvum, a member of Botryosphaeria dieback consortium, can secrete the phytotoxins (-)-terremutin and (R)-mellein during grapevine colonization.
Patricia Trotel-Aziz   +6 more
doaj   +2 more sources

Phytotoxins Produced by Two Biscogniauxia rosacearum Strains, Causal Agents of Grapevine Trunk Diseases, and Charcoal Canker of Oak Trees in Iran

open access: yesToxins, 2021
Biscogniauxia rosacearum, recognized for the first time as a pathogen involved in grapevine trunk diseases in Paveh (west of Iran) vineyards, produced meso-2,3-butanediol (1) as the only phytotoxin.
Marco Masi   +5 more
doaj   +1 more source

Sulfide as a soil phytotoxin—a review [PDF]

open access: yesFrontiers in Plant Science, 2013
In wetland soils and underwater sediments of marine, brackish and freshwater systems, the strong phytotoxin sulfide may accumulate as a result of microbial reduction of sulfate during anaerobiosis, its level depending on prevailing edaphic conditions.
Leon P M Lamers   +10 more
openaire   +6 more sources

Toxicity of fusaric acid and beauvericin in tissue-cultured banana 'Grand Nain' and 'Lakatan'

open access: yesTechnology in Horticulture, 2023
Fusarium oxysporum forma specialis cubense (Foc) produces toxins known to contribute to virulence and infection in the host. Fusaric acid (FA) and beauvericin (BEA) are major toxins contributing to Foc virulence in the host plant.
Maria Angela Cruz   +3 more
doaj   +1 more source

Synthesis and Activity of 2-Acyl-cyclohexane-1,3-dione Congeners Derived from Peperomia Natural Products against the Plant p-Hydroxyphenylpyruvate Dioxygenase Herbicidal Molecular Target Site

open access: yesPlants, 2022
Plastoquinone is a key electron carrier in photosynthesis and an essential cofactor for the biosynthesis of carotenoids. p-Hydroxyphenylpyruvate dioxygenase (HPPD) is a vital enzymatic step in plastoquinone biosynthesis that is the target of triketone ...
Joey K. Ooka   +7 more
doaj   +1 more source

Selection of phytotoxin producing rhizobacteria [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2011
In order to select phytotoxin producing rhizobacteria to control weed plants, twenty five bacterial strains previously isolated from the rhizospheres of various plants were grown in a liquid medium and, after cell removal by centrifugation, the liquid phases were freeze-dried and the products were extracted with ethyl acetate/methanol.
Carvalho, Daniel D.C.   +3 more
openaire   +5 more sources

Phytotoxic Metabolites Produced by Fungi Involved in Grapevine Trunk Diseases: Progress, Challenges, and Opportunities

open access: yesPlants, 2022
Grapevine trunk diseases (GTDs), caused by fungal pathogens, are a serious threat to vineyards worldwide, causing significant yield and economic loss.
Pierluigi Reveglia   +2 more
doaj   +1 more source

Suspect Screening of Lupin-Produced Phytotoxins in Environmental Samples

open access: yes, 2023
Phytotoxins, secondary metabolites synthesized by plants, are now recognized as a new category of environmental micropollutants. Only a limited number of phytotoxins have been detected and reported in terrestrial and aquatic environments, partially due ...
Bucheli, Thomas D.   +7 more
core   +1 more source

Metabolites from Alternaria Fungi and Their Bioactivities

open access: yesMolecules, 2013
Alternaria is a cosmopolitan fungal genus widely distributing in soil and organic matter. It includes saprophytic, endophytic and pathogenic species. At least 268 metabolites from Alternaria fungi have been reported in the past few decades.
Ligang Zhou   +3 more
doaj   +1 more source

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