Identification of mucondialdehyde as a novel stress metabolite.
In a survey of antifungal stress compounds induced by cupric chloride we found that leaves of Chenopodium album exuded a highly fungitoxic metabolite mucondialdehyde (trans-2,trans-4-hexadienedial), which was associated with 13-oxo-9,11-tridecadienoic acids (cis-9,trans-11 and trans-9,trans-11 isomers) presumably resulting from beta-scission of 13-hydroperoxy-octadecadi(tri)enoic acid. The biogenesis and role as a general defensive agent in plants are briefly discussed.
Tahara
S
S
Department of Applied Bioscience, Faculty of Agriculture, Hokkaido University, Sapporo, Japan.
Kasai
S
S
Inoue
M
M
Kawabata
J
J
Mizutani
J
J
D000447:Aldehydes / Q000737:chemistry / Q000302:isolation & purification*; D000935:Antifungal Agents / Q000737:chemistry / Q000302:isolation & purification*; D010936:Plant Extracts / Q000032:analysis*
D000447:Aldehydes; D000935:Antifungal Agents; D010936:Plant Extracts; C034476:muconaldehyde