Tchoukoua Abdou, Suzuki Takuma, Ariefta Nanang Rudianto, Koseki Takuya, Okawa Yusuke, Kimura Ken-Ichi, Shiono Yoshihito
Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Yaounde, Cameroon.
Department of Food, Life, and Environmental Science, Faculty of Agriculture, Yamagata University, Yamagata, Japan.
J Antibiot (Tokyo). 2017 Dec;70(12):1129-1132. doi: 10.1038/ja.2017.120. Epub 2017 Oct 25.
A new eremophilane sesquiterpene, 13,13-dimethoxyintegric acid (1), together with known compound integric acid (2) have been isolated from a fungus, Xylaria sp. V-27, obtained from a dead branch. The structure of 1 was established by means of spectroscopic analyses. 1 and 2 promoted growth restoring activity against the mutant yeast strain (Saccharomyces cerevisiae (zds1Δ erg3Δ pdr1Δ pdr3Δ)) and inhibited degranulation of rat basophilic leukemia RBL-2H3 cells stimulated by immnunoglobulin G + 2,4-dinitrophenylated-bovine serum albumin (IgE+DNP-BSA), thapsigargin and A23187.
从一根枯树枝上分离得到的真菌——炭角菌属V-27中,分离出一种新的艾里莫芬烷倍半萜13,13-二甲氧基整合酸(1)以及已知化合物整合酸(2)。通过光谱分析确定了1的结构。1和2对突变酵母菌株(酿酒酵母(zds1Δ erg3Δ pdr1Δ pdr3Δ))具有促进生长恢复活性,并抑制免疫球蛋白G + 2,4-二硝基苯基化牛血清白蛋白(IgE+DNP-BSA)、毒胡萝卜素和A23187刺激的大鼠嗜碱性白血病RBL-2H3细胞脱颗粒。