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Alternaria alternata

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Antibiotic (1) Bacterial (1) Endogenous Metabolite (1) Fungal (8) Herbicide (1) Reactive Oxygen Species (ROS) (1)
By Research Areas:	Cancer (2) Infection (9) Metabolic Disease (1)

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Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N6724

Altertoxin I Dihydroalterperylenol	Others	Metabolic Disease
Altertoxin I (Dihydroalterperylenol) is a quinone-type mycotoxin produced by Alternaria alternata fungi, which is mutagenic and cytotoxic, and can weakly disrupts metabolic communication .

HY-23155S

2-Phenylethyl isothiocyanate-d5 2-PE ITC-d₅	Fungal	Infection
2-Phenylethyl isothiocyanate-d₅ isothiocyanate-d₅ is the deuterium labeled 2-Phenylethyl isothiocyanate[1]. 2-Phenylethyl isothiocyanate is a potent antifungal agent. 2-Phenylethyl isothiocyanate significantly inhibited spore germination and mycelial growth of Alternaria alternata, with a MIC (minimum inhibitory concentration) of 1.22 mM. The antifungal effect of 2-Phenylethyl isothiocyanate against Alternaria alternata might be via reduction in toxin content and breakdown of cell membrane integrity[2][3].

HY-W007980

Antifungal agent 98	Fungal	Infection
Antifungal agent 98 (compound 2) is an antifungal agent. Antifungal agent 98 (100 μg/mL) shows insecticidal activity against Bipolaris sorokinianum, Fusarium oxysporium f. sp.vasinfectum, Pyricularia oryzae, Alternaria Brassicae and Alternaria alternata with a death rate of 41.5%, 40.0%, 23.4, 36.8%, and 35.0% .

HY-23155

2-Phenylethyl isothiocyanate 1 Publications Verification 2-PE ITC	Fungal	Infection
2-Phenylethyl isothiocyanate is a potent antifungal agent. 2-Phenylethyl isothiocyanate significantly inhibited spore germination and mycelial growth of Alternaria alternata, with a MIC (minimum inhibitory concentration) of 1.22 mM. The antifungal effect of 2-Phenylethyl isothiocyanate against Alternaria alternate might be via reduction in toxin content and breakdown of cell membrane integrity .

HY-P1940

Maculosin Cyclo(Tyr-Pro)	Endogenous Metabolite Bacterial Fungal	Infection Cancer
Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .

HY-N9714

4-Hydroxyalternariol-9-methyl ether	Others	Others
4-Hydroxyalternariol-9-methyl ether can be isolated from an endolichenic fungal strain Nigrospora sphaerica (No.83-1-1-2), endolichenic fungal strains Alternaria alternata (No.58-8-4-1) and Phialophora sp. (No.96-1-8-1) .

HY-168470

Antifungal agent 125	Fungal	Infection
Antifungal agent 125 (compound 4H) is a potent inhibitor of succinate dehydrogenase (SDH), with the IC₅₀ of 3.59 μg/mL. Antifungal agent 125 exhibits fungicidal activity against Alternaria alternata .

HY-N6783

Oligomycin C	Fungal Antibiotic	Infection
Oligomycin C is a macrolide antibiotic produced by Streptomyces strains. Oligomycin C exhibits a strong activity against Aspergillus niger, Alternaria alternata, Botrytis cinerea and Phytophthora capsici but no activity toward bacteria .

HY-122191

AK-Toxin II	Others	Infection
AK-Toxin II is a phytotoxic metabolite that can be isolated from culture broth of alternaria alternata Japanese pear pathotype. AK-Toxin II induces characteristic veinal necrosis and rapid K ⁺ loss on susceptible pear leaves .

HY-23155R

2-Phenylethyl isothiocyanate (Standard)	Fungal	Infection
2-Phenylethyl isothiocyanate (Standard) is the analytical standard of 2-Phenylethyl isothiocyanate. This product is intended for research and analytical applications. 2-Phenylethyl isothiocyanate is a potent antifungal agent. 2-Phenylethyl isothiocyanate significantly inhibited spore germination and mycelial growth of Alternaria alternata, with a MIC (minimum inhibitory concentration) of 1.22 mM. The antifungal effect of 2-Phenylethyl isothiocyanate against Alternaria alternate might be via reduction in toxin content and breakdown of cell membrane integrity .

HY-N12033

4'-Demethylpodophyllotoxone	Others	Cancer
4'-Demethylpodophyllotoxone is an intermediate product of the biotransformation of Alternaria alternata S-f6. After 4'-Demethylpodophyllotoxone is modified with 4-(2,3,5,6-tetramethylpyrazine-1) (4-TMP), the resulting novel compound can strongly inhibit the growth of human gastric cancer cell line (BGC-823) .

HY-N10126

(3ξ,4ξ,5ξ,6ξ,7ξ,11ξ)-3,6-Dihydroxy-8-oxo-9-eremophilene-12-oic acid	Others	Others
(3ξ,4ξ,5ξ,6ξ,7ξ,11ξ)-3,6-Dihydroxy-8-oxo-9-eremophilene-12-oic acid is a new phytotoxin of Alternaria alternata ssp. tenuissima isolates associated with fruit spots on apple.

HY-174388

Antifungal agent 134	Fungal Herbicide Reactive Oxygen Species (ROS)	Infection
Antifungal agent 134 (Compound B13) is an antifungal agent with EC₅₀s of 3.24, 1.89, 1.70, 0.36, 4.27, and 1.50 μg/mL for Botrytis cinerea, Alternaria solani, Fusarium graminearum, Rhizoctonia solani, Colletotrichum orbiculare, and Alternaria alternata, respectively. Antifungal agent 134 can disrupt the cell membrane and mitochondria of the hyphae, leading to significant ROS accumulation. Antifungal agent 134 also has significant herbicidal activities against field weeds, such as Amaranthus retroflexus L and Abutilon theophrasti Medicus. Antifungal agent 134 can be used for crop diseases and field weeds research .

Cat. No.	Product Name	Target	Research Area

HY-P1940

Maculosin Cyclo(Tyr-Pro)	Endogenous Metabolite Bacterial Fungal	Infection Cancer
Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N6724

Altertoxin I Dihydroalterperylenol	Seeds of Cassia tora Linn. Natural Products other families Microorganisms Classification of Application Fields Leguminosae Source classification Phenols Polyphenols Metabolic Disease Plants Disease Research Fields	Others
Altertoxin I (Dihydroalterperylenol) is a quinone-type mycotoxin produced by Alternaria alternata fungi, which is mutagenic and cytotoxic, and can weakly disrupts metabolic communication .

HY-P1940

Maculosin Cyclo(Tyr-Pro)	Alkaloids Monophenols Microorganisms Pyrrole Alkaloids Source classification Phenols Disease Research Fields Cancer	Endogenous Metabolite Bacterial Fungal
Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .Maculosin (Cyclo (Tyr-Pro)) is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication. Maculosin also acts as a signaling molecule regulating virulence gene expression. Maculosin shows antimicrobial, antifungal, antioxidant and anti-cancer properties .

HY-N9714

4-Hydroxyalternariol-9-methyl ether	Structural Classification Microorganisms Source classification Phenols Polyphenols	Others
4-Hydroxyalternariol-9-methyl ether can be isolated from an endolichenic fungal strain Nigrospora sphaerica (No.83-1-1-2), endolichenic fungal strains Alternaria alternata (No.58-8-4-1) and Phialophora sp. (No.96-1-8-1) .

HY-N6783

Oligomycin C	Infection Structural Classification Microorganisms Antifungal Macrolide Antibiotics Classification of Application Fields Antibiotics Source classification Disease Research Disease Research Fields	Fungal Antibiotic
Oligomycin C is a macrolide antibiotic produced by Streptomyces strains. Oligomycin C exhibits a strong activity against Aspergillus niger, Alternaria alternata, Botrytis cinerea and Phytophthora capsici but no activity toward bacteria .

HY-122191

AK-Toxin II	Human Gut Microbiota Metabolites Microorganisms Source classification Endogenous metabolite	Others
AK-Toxin II is a phytotoxic metabolite that can be isolated from culture broth of alternaria alternata Japanese pear pathotype. AK-Toxin II induces characteristic veinal necrosis and rapid K ⁺ loss on susceptible pear leaves .

HY-N12033

4'-Demethylpodophyllotoxone	Structural Classification Source classification Podophyllum peltatum L. Lignans Phenylpropanoids Plants Berberidaceae	Others
4'-Demethylpodophyllotoxone is an intermediate product of the biotransformation of Alternaria alternata S-f6. After 4'-Demethylpodophyllotoxone is modified with 4-(2,3,5,6-tetramethylpyrazine-1) (4-TMP), the resulting novel compound can strongly inhibit the growth of human gastric cancer cell line (BGC-823) .

HY-N10126

(3ξ,4ξ,5ξ,6ξ,7ξ,11ξ)-3,6-Dihydroxy-8-oxo-9-eremophilene-12-oic acid	other families Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Plants Disease Research Fields	Others
(3ξ,4ξ,5ξ,6ξ,7ξ,11ξ)-3,6-Dihydroxy-8-oxo-9-eremophilene-12-oic acid is a new phytotoxin of Alternaria alternata ssp. tenuissima isolates associated with fruit spots on apple.

Cat. No.	Product Name	Chemical Structure

HY-23155S

2-Phenylethyl isothiocyanate-d5
2-Phenylethyl isothiocyanate-d₅ isothiocyanate-d₅ is the deuterium labeled 2-Phenylethyl isothiocyanate[1]. 2-Phenylethyl isothiocyanate is a potent antifungal agent. 2-Phenylethyl isothiocyanate significantly inhibited spore germination and mycelial growth of Alternaria alternata, with a MIC (minimum inhibitory concentration) of 1.22 mM. The antifungal effect of 2-Phenylethyl isothiocyanate against Alternaria alternata might be via reduction in toxin content and breakdown of cell membrane integrity[2][3].

2-Phenylethyl isothiocyanate-d5

2-Phenylethyl isothiocyanate-d₅ isothiocyanate-d₅ is the deuterium labeled 2-Phenylethyl isothiocyanate[1]. 2-Phenylethyl isothiocyanate is a potent antifungal agent. 2-Phenylethyl isothiocyanate significantly inhibited spore germination and mycelial growth of Alternaria alternata, with a MIC (minimum inhibitory concentration) of 1.22 mM. The antifungal effect of 2-Phenylethyl isothiocyanate against Alternaria alternata might be via reduction in toxin content and breakdown of cell membrane integrity[2][3].

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Alternaria alternata

Inhibitors & Agonists

Peptides

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Isotope-Labeled Compounds

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