165 Result(s)
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Qiu-** Zhang
Article
Life Sciences
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Article
Antimycin A18 produced by an endophytic Streptomyces albidoflavus isolated from a mangrove plant
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MicroRNA-17 post-transcriptionally regulates polycystic kidney disease-2 gene and promotes cell proliferation
To identify the possible microRNAs (miRNAs) which target the polycystic kidney disease-2 gene (PKD2), and clarify effects of the miRNAs on PKD2. We preliminarily used bioinformatics to analyze 3′UTR (3′untrans...
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Overyielding and interspecific interactions mediated by nitrogen fertilization in strip intercrop** of maize with faba bean, wheat and barley
Interspecific interactions and soil nitrogen supply levels affect intercrop** productivity. We hypothesized that interspecific competition can be alleviated by increasing N application rate and yield advanta...
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Analysis of time-course gene expression profiles of sinusoidal endothelial cells during liver regeneration in rats
Liver regeneration (LR) after partial hepatectomy (PH) requires the coordinate contribution of different cell types. Liver sinusoidal endothelial cells (LSECs), representing the largest population of nonparenc...
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Rich allelic variations of Viviparous-1A and their associations with seed dormancy/pre-harvest sprouting of common wheat
The allelic variations of Vp-1B have been confirmed to have close association with seed dormancy (SD) and pre-harvest sprouting (PHS) of Chinese wheat in previous research, but little was known regarding whether ...
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Production of raw cassava starch-degrading enzyme by Penicillium and its use in conversion of raw cassava flour to ethanol
A newly isolated strain Penicillium sp. GXU20 produced a raw starch-degrading enzyme which showed optimum activity towards raw cassava starch at pH 4.5 and 50°C. Maximum raw cassava starch-degrading enzyme (RCSDE...
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Open AccessAnalysis of EGFR signaling pathway in nasopharyngeal carcinoma cells by quantitative phosphoproteomics
The epidermal growth factor receptor (EGFR) is usually overexpressed in nasopharyngeal carcinoma (NPC) and is associated with pathogenesis of NPC. However, the downstream signaling proteins of EGFR in NPC have...
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Design, synthesis and antibacterial activity of novel ketolides bearing an aryltetrazolyl-substituted alkyl side chain
A set of 17 novel ketolides bearing an aryltetrazolyl-substituted alkyl side chain were synthesized and evaluated for their antibacterial activities, which the aryltetrazolyl group was selected to replace the ...
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A novel method for cryopreservation of individual human spermatozoa
The purpose of this study is to develop a novel method for the cryopreservation and efficient post-thaw recovery of individual or small numbers of human spermatozoa. Spermatozoa equilibrated in cryoprotectant ...
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Comparative studies on tolerance of Medicago truncatula and Medicago falcata to freezing
Medicago falcata is a legume species that exhibits great capacity of tolerance to abiotic stresses. To elucidate the mechanism underlying tolerance of M. falcata to freezing, we compared the characteristics of M....
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Molecular characterization and expression analysis on two isogenes encoding 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase in grapes
3-Deoxy-d-arabino-heptulosonate 7-phosphate synthase (DAHPS) is an entry enzyme of the shikimate pathway that connects primary carbohydrate metabolism with the biosynthesis of most secondary metabolites in plants...
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The unsaturation of phosphatidylglycerol in thylakoid membrane alleviates PSII photoinhibition under chilling stress
Over-expression of chloroplast glycerol-3-phosphate acyltransferase gene (LeGPAT) in tomato increased cis-unsaturated fatty acid content in phosphatidylglycerol (PG) of the thylakoid membrane. Under chilling stre...
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Transcriptome analysis of probiotic Lactobacillus casei Zhang during fermentation in soymilk
Lactobacillus casei Zhang is a widely recognized probiotic bacterium, which is being commercially used in China. To study the gene expression dynamics of L. casei Zhang during fermentatio...
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Clostridium beijerinckii mutant with high inhibitor tolerance obtained by low-energy ion implantation
Clostridium beijerinckii mutant strain IB4, which has a high level of inhibitor tolerance, was screened by low-energy ion implantation and used for butanol fermentation from a non-detoxified hemi...
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Open AccessChemical constituents from Munronia sinica and their bioactivities
Two new minor constituents, musinisins A (1) and B (2), together with five known compounds (3–7), were isolated from the aerial parts of Munronia sinica. Their structures were established by means of spectroscopi...
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Analysis of genetic diversity among Chinese Pleurotus citrinopileatus Singer cultivars using two molecular marker systems (ISSRs and SRAPs) and morphological traits
To evaluate the genetic diversity of Pleurotus citrinopileatus Singer cultivars in China, 20 P. citrinopileatus strains were analyzed using morphological traits, inter-simple sequence repeat (ISSR) and sequence-r...
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Assay and characterization of an osmolarity inducible promoter newly isolated from Bacillus subtilis
An osmolarity-sensitive promoter fragment, P23423, isolated from Bacillus subtilis was characterized. The expression of β-galactosidase (β-Gal) driven by P23423 was regulated by osmolarity both in Escherichia col...
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Monocyte chemoattractant protein-1 mediates angiotensin II-induced vascular smooth muscle cell proliferation via SAPK/JNK and ERK1/2
Abnormal vascular smooth muscle cells proliferation is the pathophysiological basis of cardiovascular diseases, such as hypertension, atherosclerosis, and restenosis after angioplasty. Angiotensin II can induc...
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High levels of glucose induce “metabolic memory” in cardiomyocyte via epigenetic histone H3 lysine 9 methylation
Diabetic patients continue to develop inflammation and cardiovascular complication even after achieving glycemic control, suggesting a “metabolic memory”. Metabolic memory is a major challenge in the treatment...
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Comparison of learning and memory of Apis cerana and Apis mellifera
The honeybee is an excellent model organism for research on learning and memory among invertebrates. Learning and memory in honeybees has intrigued neuroscientists and entomologists in the last few decades, bu...
