大叶榉树树皮无细胞提取物中顺式松柏苷的形成。
Formation of cis-coniferin in cell-free extracts of Fagus grandifolia Ehrh bark.
作者信息
Yamamoto E, Inciong E J, Davin L B, Lewis N G
机构信息
Departments of Wood Science and Forest Products, and Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg 24061.
出版信息
Plant Physiol. 1990;94(1):209-13. doi: 10.1104/pp.94.1.209.
American beech (Fagus grandifolia Ehrh) bark exclusively accumulates cis-monolignols and their glucosidic conjugates; no evidence for the accumulation of trans-monolignols has been found. The glucosyltransferase from this source exhibits a very unusual substrate specificity for cis, and not trans, monolignols. This is further evidence that cis monolignols are involved in lignin formation in these plant tissues. Preliminary evidence for the existence of a novel trans-cis monolignol isomerase was obtained, in agreement with our contention that this isomerization is not photochemically mediated.
美国山毛榉（Fagus grandifolia Ehrh）树皮仅积累顺式单木质醇及其糖苷共轭物；未发现反式单木质醇积累的证据。来自该来源的葡萄糖基转移酶对顺式而非反式单木质醇表现出非常不寻常的底物特异性。这进一步证明顺式单木质醇参与了这些植物组织中木质素的形成。获得了一种新型反式 - 顺式单木质醇异构酶存在的初步证据，这与我们认为这种异构化不是由光化学介导的观点一致。
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