期刊
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
卷 77, 期 2, 页码 75-81出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0048-3575(03)00101-9
关键词
pheromone biosynthesis; pheromone-biosynthesis activating neuropeptide; PBAN; acetyl-coenzyme A carboxylase; herbicides; diclofop; tralkoxydim; mating receptivity
Pheromones of nocturnal moths are derived from fatty acids produced as a result of the activity of acetyl-CoA carboxylase. This timely production is initiated in nocturnal moths by a tropic peptide, pheromone biosynthesis activating neuropeptide released into the hemolymph. In monocotyledonous plants, specific plastid acetyl-CoA carboxylase is inhibited by herbicides that target the eukaryotic form of the enzyme. We report evidence that these herbicides can also target pheromone biosynthesis by a moth, thereby implicating the acetyl-CoA carboxylase as a key regulatory enzyme in the pheromone biosynthetic pathway. These findings, whilst indicating the possible action of such herbicides on non-target organisms, also suggest a novel alternative method of insect pest management, which precludes sex-pheromone production and mating success, thereby reducing insect population growth. (C) 2003 Elsevier Inc. All rights reserved.
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