INDUCED OLEORESIN BIOSYNTHESIS IN GRAND FIR AS A DEFENSE AGAINST BARK BEETLES

被引：65

作者：

STEELE, CL ^{[1
]}

LEWINSOHN, E ^{[1
]}

CROTEAU, R ^{[1
]}

机构：

[1] WASHINGTON STATE UNIV, INST BIOL CHEM, PULLMAN, WA 99164 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1995年 / 92卷 / 10期

关键词：

MONOTERPENES; TURPENTINE; DITERPENOID RESIN ACIDS; ROSIN; STRESS EFFECTS;

D O I：

10.1073/pnas.92.10.4164

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Grand fir (Abies grandis) saplings and derived cell cultures are useful systems for studying the regulation of defensive oleoresinosis in conifers, a process involving both the constitutive accumulation of resin (pitch) in specialized secretory structures and the induced production of monoterpene olefins (turpentine) and diterpene resin acids (rosin) by nonspecialized cells at the site of injury. The pathways and enzymes involved in monoterpene and diterpene resin acid biosynthesis are described, as are the coinduction kinetics following stem injury as determined by resin analysis, enzyme activity measurements, and immunoblotting. The effects of seasonal development, light deprivation, and water stress on constitutive and wound-induced oleoresinosis are reported. Future efforts, including a PCR-based cloning strategy, to define signal transduction in the wound response and the resulting gene activation processes are delineated.

引用

页码：4164 / 4168

页数：5

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