Publications by authors named "Shengdong Ji"
Rice, a staple in diets, undergoes digestion post-consumption, often triggering a swift surge in blood sugar among diabetics, intensifying their health burden. Notably, resistant starch (RS) emerges as a potent ally in fostering satiety and mitigating metabolic syndrome in diabetes. The SBEIIb gene, a key orchestrator of starch branching enzymes, plays a pivotal role in starch synthesis, and its genetic alteration can dramatically boost RS content in rice.
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- Soil salinity poses a significant threat to crop growth, with cotton known for its salt tolerance and importance in saline-alkali land utilization, especially the two main species, Gossypium hirsutum and G. barbadense.
- A study compared the responses of G. hirsutum (TM-1) and G. barbadense (Hai7124) to salt stress, finding that Hai7124 showed better growth and had stronger antioxidant capabilities while TM-1 had higher potassium content.
- Transcriptome analysis revealed substantial molecular differences, with Hai7124 focusing on defense mechanisms and TM-1 on growth, indicating that different genes and pathways are activated in response to salt stress, demonstrating why Hai7124 is
Article Synopsis
- The study focuses on the role of RNA HELICASE 32 (RH32) in female gametogenesis in the plant Arabidopsis, highlighting its significance in mitotic progression and cell specification within female reproductive organs.
- Scientists found that mutations in RH32 led to impaired gametophyte development, resulting in semi-sterility and defects in embryo sac formation.
- Additionally, the knock-down of RH32 caused an accumulation of unprocessed pre-rRNA, indicating that RH32 is crucial for ribosome synthesis and overall female gametophyte development.
Article Synopsis
- Weeds compete with rice for nutrients and space, negatively impacting yield and quality, making herbicide-resistant rice varieties a potential solution.
- Recent advancements, especially in gene editing technologies, have enabled the development of herbicide-resistant rice by altering specific genes to enhance tolerance.
- Future research should focus on understanding genetic mechanisms, combining multiple resistance genes, and employing transgene-free techniques like CRISPR to create more effective herbicide-resistant rice.
Article Synopsis
- - Soil salinity poses a major challenge to plant growth, but using beneficial bacteria like Bacillus subtilis CNBG-PGPR-1 can enhance salt tolerance in plants, particularly in tomatoes.
- - The study found that CNBG-PGPR-1 improved plant health by maintaining cellular balance, enhancing photosynthesis, and reducing stress caused by high salt levels through complex molecular pathways, particularly involving plant hormones.
- - Key findings indicate that CNBG-PGPR-1 boosts methionine levels, which then activates the ethylene signaling pathway and helps manage reactive oxygen species (ROS), ultimately improving salt tolerance in plants.
The plant hormone auxin controls many aspects of plant development. Membrane trafficking processes, such as secretion, endocytosis and recycling, regulate the polar localization of auxin transporters in order to establish an auxin concentration gradient. Here, we investigate the function of the Arabidopsis thaliana R-SNAREs VESICLE-ASSOCIATED MEMBRANE PROTEIN 721 (VAMP721) and VAMP722 in the post-Golgi trafficking required for proper auxin distribution and seedling growth.
View Article and Find Full Text PDFGlycoprotein (GP) 2a was a minor structural protein of porcine reproductive and respiratory syndrome virus (PRRSV) and was one of crucial proteins for PRRSV to bind cell receptor, which indicated that there were neutralizing epitopes on GP2a. In the present work, we used mouse anti-GP2a serum and one GP2a specific monoclonal antibody (McAb) to identify B-cell epitopes of GP2a by peptide-based ELISA. A liner B-cell epitope FPTPGSRPKLHDFQQ was identified.
View Article and Find Full Text PDFis an important food-borne pathogen that can persist in food processing environments and thus contaminate food products. Benzalkonium chloride (BC) is a common disinfectant widely used in food industry. Selective pressure associated with exposure to BC may result in adaptation to this agent in .
View Article and Find Full Text PDFRole of Efflux Pumps in the Development of Ciprofloxacin Resistance in .
Front Microbiol
September 2018
Efflux is a primary fluoroquinolone resistance mechanism in . In the present study, ciprofloxacin resistant strains were selected by exposure of sensitive strain to progressively increasing concentrations of ciprofloxacin and then the roles of efflux pumps Lde and MdrL in the development of resistance to ciprofloxacin were also investigated in . Ciprofloxacin sensitive strain of exhibited reduced susceptibility to this antibiotic after induction.
View Article and Find Full Text PDFIn this study, efflux pump-mediated benzalkonium chloride (BC) resistance, including plasmid-encoded (Qac protein family and BcrABC) and chromosome-borne efflux pumps, was investigated in Listeria monocytogenes from retail food in China. Among the 59 L. monocytogenes strains, 13 (22.
View Article and Find Full Text PDFThe aim of this study was to investigate the presence of extended-spectrum β-lactamase (ESBL) and plasmid-mediated quinolone resistance (PMQR) genes in Escherichia coli isolated from retail meat samples in Henan Province, China. E. coli isolates were detected in 179 of 645 (27.
View Article and Find Full Text PDFBackground: On the basis of comprehending several membrane proteins undergoing ectodomain shedding, including tumor necrosis factor (TNF) alpha receptors, we want to know if Fas (CD95/APO-1), which belongs to the TNF receptor (TNFR) superfamily and transduces signals resulting in apoptosis upon binding of Fas ligand (L) or agonistic anti-Fas antibody, is shed on its ectodomain during liver regeneration
Methods: After purification of the total membrane protein of hepatocytes, we analyzed Fas ectodomain shedding, using Western blotting, and determined the effect of Fas shedding on the apoptosis of hepatocytes by a statistical method relevant to apoptosis.
Results: Fas protein ectodomain shedding occurred at 2, 12, and 36 h after partial hepatectomy, and its level decreased at 2 months after partial hepatectomy. The same results were gained from in-vitro cultured hepatocytes induced by serum from rats after partial hepatectomy.