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UNLABELLED BACKGROUND- Reactive oxygen species serve signaling functions in the vasculature, and hypoxia has been associated with increased reactive oxygen species production. NADPH oxidase 4 (Nox4) is a reactive oxygen species-producing enzyme that is highly expressed in the endothelium, yet its specific role is unknown. We sought to determine the role of(More)
Growth and competition between the dinoflagellates Prorocentrum donghaiense and Alexandrium catenella and the diatom Skeletonema costatum sensu lato in response to different forms of phosphorus were investigated in mixed cultures. The results indicated that S. costatum s.l. outcompeted P. donghaiense to become dominant owing to high growth rates,(More)
Malic enzyme (ME) catalyses the oxidative decarboxylation of l-malate to pyruvate and provides NADPH for intracellular metabolism, such as fatty acid synthesis. Here, the mitochondrial ME (mME) gene from Mortierella alpina was homologously over-expressed. Compared with controls, fungal arachidonic acid (ARA; 20:4 n−6) content increased by 60 % without(More)
Soda lakes are one of the most stable naturally occurring alkaline and saline environments, which harbor abundant microorganisms with diverse functions. In this study, culture-independent molecular methods were used to explore the genetic diversity of glycoside hydrolase (GH) family 10 and GH11 xylanases in Lake Dabusu, a soda lake with a pH value of 10.2(More)
A new bilin lyase gene cpcU was cloned from Arthrospira platensis FACHB314 to study the assembly of the phycocyanin β-Subunit. Two recombinant plasmids, one contained the phycocyanobilin (PCB) producing genes (hoxI and pcyA), while the other contained the gene of the β-Subunit of phycobiliprotein (cpcB) and the lyase gene (cpcU, cpcS, or cpcU/S) were(More)
Background—Reactive oxygen species serve signaling functions in the vasculature, and hypoxia has been associated with increased reactive oxygen species production. NADPH oxidase 4 (Nox4) is a reactive oxygen species–producing enzyme that is highly expressed in the endothelium, yet its specific role is unknown. We sought to determine the role of Nox4 in the(More)
Gracilariopsis lemaneiformis (aka Gracilaria lemaneiformis) is a red macroalga rich in phycoerythrin, which can capture light efficiently and transfer it to photosystemⅡ. However, little is known about the synthesis of optically active phycoerythrinin in G. lemaneiformis at the molecular level. With the advent of high-throughput sequencing technology,(More)
Calcitonin participates in controlling homeostasis of calcium and phosphorus and plays an important role in bone metabolism. The aim of this study was to endow an industrial strain of Saccharomyces cerevisiae with the ability to express chimeric human/salmon calcitonin (hsCT) without the use of antibiotics. To do so, a homologous recombination plasmid(More)
Liver regeneration is a tightly controlled process mainly achieved by proliferation of usually quiescent hepatocytes. The specific molecular mechanisms ensuring cell division only in response to proliferative signals such as hepatocyte growth factor (HGF) are not fully understood. Here, we combined quantitative time-resolved analysis of primary mouse(More)
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