L Dinan,P Whiting,T Savchenko
L Dinan
Seeds of a number of species in the Liliaceae (sensu Brummitt, 1992) were examined for the presence of ecdysteroid agonist and antagonist activities. No species were antagonistic to 20-hydroxyecdysone action on the ecdysteroid-responsive Dr...
Differential expression for tissue-specific isozymes in three species of Hypostomus Lacépède, 1803 (Teleostei: Loricariidae) [0.03%]
三种Hypostomus鱼的组织特异性同工酶的差异表达(硬骨鱼:甲盾鱼科)
C H. Zawadzki,M F.P.S. Machado,E Renesto
C H. Zawadzki
The expression patterns of 14 enzymatic systems in skeletal muscle, liver and heart tissues of three species of Hypostomus from the Iguaçu River basin (Brazil) were investigated. Although the patterns were similar for the three species, di...
Phylogenetic relationships among four species of Mullidae (Perciformes) inferred from DNA sequences of mitochondrial cytochrome b and 16S rRNA genes [0.03%]
线粒体细胞色素b和核糖体RNA基因对四种石首鱼目鱼类的系统进化关系的研究
A P. Apostolidis,Z Mamuris,C Triantaphyllidis
A P. Apostolidis
DNA sequence comparisons of two mitochondrial DNA genes were used to infer phylogenetic relationships among four species of mullids. Approximately 238bp of the mitochondrial 16S ribosomal RNA (rRNA) and 261bp of the cytochrome b (cytb) gene...
Phytoecdysteroids from Lamium spp: identification and distribution within plants [0.03%]
鼠李虫滞素属拉米属植物中的分离鉴定及在植株内的分布规律研究
T Savchenko,M Blackford,S D. Sarker et al.
T Savchenko et al.
Bioassay/radioimmunoassay (RIA) analysis of the seeds of four Lamium species, L. album, L. galeobdolon, L. maculatum and L. pupureum revealed the presence of phytoecdysteroids in all of them. Bioassay/RIA-guided and photo-diode array-monito...
Flavonoid sequestration by the common blue butterfly Polyommatus icarus: quantitative intraspecific variation in relation to larval hostplant, sex and body size [0.03%]
一种蝴蝶(Polyommatus icarius)将黄酮类物质储存在体内:与幼虫寄主植物、性别和体型有关的种内变化量化研究
F Burghardt,P Proksch,K Fiedler
F Burghardt
Common blue butterflies (Polyommatus icarus) sequester flavonoids from their larval food and store these pigments as part of their adult wing colouration. Insects were reared on 10 different diets to assess effects of host plants on variati...
The identification of fusidic acid, a steroidal antibiotic from marine isolate of the fungus Stilbella aciculosa [0.03%]
从海洋真菌Stilbella aciculosa中鉴定出一个具有独特抗结核分支杆菌活性的甾体抗生素fusidic acid
T A. Kuznetsova,O F. Smetanina,S S. Afiyatullov et al.
T A. Kuznetsova et al.
J Triana,J L. Eiroa,M López et al.
J Triana et al.
Secondary metabolites of Scilla plumbea, Ledebouria cooperi and Ledebouria ovatifolia (Hyacinthaceae) [0.03%]
Hyacinthaceae 紫花兰属植物Scilla plumbea、Ledebouria cooperi和L. ovatifolia的次生代谢产物
T Pohl,C Koorbanally,N R. Crouch et al.
T Pohl et al.