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Literature DB >> 16806330

The phytoalexins from cauliflower, caulilexins A, B and C: isolation, structure determination, syntheses and antifungal activity.

M Soledade C Pedras¹, Mohammed G Sarwar, Mojmir Suchy, Adewale M Adio.

Abstract

Our continuous search for phytoalexins from crucifers led us to examine phytoalexin production in florets of cauliflower (Brassica oleracea var. botrytis) under abiotic (UV light) elicitation. Four known (isalexin, S-(-)-spirobrassinin, 1-methoxybrassitin, brassicanal C) and three new (caulilexins A-C) phytoalexins were isolated. The syntheses and antifungal activity of caulilexins A-C against the economically important pathogenic fungi Leptosphaeria maculans, Rhizoctonia solani and Sclerotinia sclerotiorum, and the first synthesis of brassicanal C are reported.

Entities: Chemical Species

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Year: 2006 PMID： 16806330 DOI： 10.1016/j.phytochem.2006.05.020

Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072

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The phytoalexins from cauliflower, caulilexins A, B and C: isolation, structure determination, syntheses and antifungal activity.

1. Effects of ferrofluid and phytoalexin spirobrassinin on thioflavin-T-based fluorescence in cerebrospinal fluid of the elderly and multiple sclerosis patients.

2. An efficient protocol for genetic transformation of watercress (Nasturtium officinale) using Agrobacterium rhizogenes.

Review 3. Synthesis of indole derivatives as prevalent moieties present in selected alkaloids.

Review 4. Fruit Peels: Food Waste as a Valuable Source of Bioactive Natural Products for Drug Discovery.

5. Prunus domestica pathogenesis-related protein-5 activates the defense response pathway and enhances the resistance to fungal infection.

6. Combined effect of Nitrogen, Phosphorus and Potassium fertilizers on the contents of glucosinolates in rocket salad (Eruca sativa Mill.).

7. Variation of glucosinolates on position orders of flower buds in turnip rape (Brassica rapa).

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