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Article
Devosia lacusdianchii sp. nov., an attached bacterium inhibited by metabolites from its symbiotic Microcystis
A novel alphaproteobacterial strain JXJ CY 41T was isolated from a culture mass of Microcystis, collected from Lake Dianchi, south-west, China. Strain JXJ CY 41T was gram-strain-negative, aerobic, motile, with ro...
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Article
Open AccessPopulation genomics of Zea species identifies selection signatures during maize domestication and adaptation
Maize (Zea mays L. ssp. mays) was domesticated from teosinte (Zea mays ssp. parviglumis) about 9000 years ago in southwestern Mexico and adapted to a range of environments worldwide. Researchers have depicted the...
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Article
Transcriptome profiling of poly(I:C)-induced RAW 264.7 mouse macrophages in response to panaxadiol
Panaxadiol is an active compound in steamed ginseng that possesses anti-cancer properties. Nonetheless, the effect of panaxadiol on inflammation remains unclear. Double-stranded RNA (dsRNA) acts as a molecular...
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Article
Two New Flavones from the Barks of Cassia alata and their Bioactivity
Two new flavones (1 and 2), together with two known flavones (3 and 4), were isolated from the barks of Cassia alata. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscop...
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Article
New podolactones from the seeds of Podocarpus nagi and their anti-inflammatory effect
Podolactones are a class of structural diverse diterpenoid lactones, mainly isolated from the Podocarpus species. Several bioactivities have been disclosed for podolactones, including cytotoxicity and anti-athero...
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Article
Over-expression of miR166a inhibits cotyledon formation in somatic embryos and promotes lateral root development in seedlings of Larix leptolepis
Somatic embryo (SE) regeneration is an ideal experimental system to realize rapid propagation of excellent clones and genetic improvement for perennial gymnosperms. In the present study, genes encoding the miR...
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Article
Open AccessIdentification and Cytotoxic Activities of Two New Trichothecenes and a New Cuparane-Type Sesquiterpenoid from the Cultures of the Mushroom Engleromyces goetzii
Engleromyces goetzii is a traditional medicinal mushroom that is widely used to treat infection, inflammation and cancer in Tibet, Sichuan and Yunnan provinces of China. Two new trichothecenes,...
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Article
First total synthesis of antifungal cyclopeptide tunicyclin d by a solid-phase method
The present study deals with the first total synthesis of a new antifungal cyclic octapeptide, tunicyclin D, cyclo[VNIPPWHG], where all the amino acids are L-configuration, by a two-step solid-phase/solution s...
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Article
A new chromene glycoside from Tithonia diversifolia
A new chromene glycoside, 6-acetyl-2,2-dimethylchromene-8-O-β-D-glucoside, together with four known compounds were isolated from the aerial parts of Tithonia diversifolia. Their structures were established by 1H,...
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Article
Expression analysis of shikonin-biosynthetic genes in response to M9 medium and light in Lithospermum erythrorhizon cell cultures
When cells of Lithospermum erythrorhizon were transferred from B5 solid medium into M9 liquid medium and grown in the dark, they produced and accumulated shikonin and its derivatives; meanwhile, transcripts of PA...
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Article
Extracellular calcium is involved in stomatal movement through the regulation of water channels in broad bean
Involvement of extracellular Ca2+ in stomatal movement through the regulation of water channels was investigated in broad bean (Vicia faba L.). Leaf peels were first incubated to open stomata, and then transferre...
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Article
Morphology and cytology of intergeneric hybrids involvingLeymus multicaulis (Poaceae)
The morphology and meiotic behaviour of pollen mother cells were studied in hybrids involvingLeymus multicaulis (2n = 28) ×Psathyrostachys huashanica (2n = 14),L. multicaulis ×P. juncea (2n = 14), andL. secalinus