2016

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GWAS-Based Prediction of Genes Regulating Trehalose and Sucrose in Potato Tubers
GWAS-Based Prediction of Genes Regulating Trehalose and Sucrose in Potato Tubers
As the fourth-largest global food crop, the quality and functional characteristics of processed potato products are closely linked to endogenous sugar metabolism in tubers, with the trehalose–sucrose metabolism playing a key role in processing adaptability. This study analyzed 333 accessions from a tetraploid potato natural population. The trehalose and sucrose content of potato tubers at harvest was quantified using the high-performance liquid chromatography (HPLC) method. Combined with whole-genome resequencing, a genome-wide association study (GWAS) was conducted to map regulatory loci and identify candidate genes. The results showed that relative trehalose content in tubers was 20.38–24.78, while relative sucrose content was 10.32–19.50. Frequency histograms for both sugars exhibited normal distributions characteristic of quantitative traits, and a positive correlation was observed between them. GWAS for trehalose identified 111 significant SNP loci, mainly on chromosomes 10 and 12, leading to the identification of 88 candidate genes. Kyoto encyclopedia of genes and genomes analysis (KEGG) revealed that trehalose-related genes were primarily involved in pathways such as ABC transporters, tricarboxylic acid (TCA) cycle, and cysteine and methionine metabolism. Candidate genes potentially regulating tuber trehalose content included GH10, GH28, GH127, UXS, UGT, PMEI, and MYB108. For sucrose, GWAS identified 279 significant SNP loci, mainly on chromosomes 5, 6, and 12, resulting in 111 candidate genes. KEGG enrichment analysis showed that sucrose-related genes were enriched in pathways including starch and sucrose metabolism, cyanoamino acid metabolism, and phenylpropanoid biosynthesis. Candidate genes potentially regulating tuber sucrose content included GH17, GH31,GH47, GH9A4, SPP1, BGLU12, GSA1, TPS8, cwINV4, HXK, UST, MYB5, MYB14, and WRKY11. Therefore, this study provides marker loci for trehalose and sucrose metabolism research, aiming to clarify their regulatory mechanisms and support potato variety improvement and superior germplasm development.
·mdpi.com·
GWAS-Based Prediction of Genes Regulating Trehalose and Sucrose in Potato Tubers
Regular glucosamine supplementation and risk of age-related chronic diseases: evidence from a propensity score-matched cohort study - PubMed
Regular glucosamine supplementation and risk of age-related chronic diseases: evidence from a propensity score-matched cohort study - PubMed
Regular use of glucosamine was associated with a reduced risk of several age-related chronic diseases. Further studies are needed to confirm these findings and to clarify its potential role in supporting healthy aging.
·pubmed.ncbi.nlm.nih.gov·
Regular glucosamine supplementation and risk of age-related chronic diseases: evidence from a propensity score-matched cohort study - PubMed
Pediococcus acidilactici KCTC 15831BP-fermented hempseed supplementation corrects metabolite and gut microbiota dysbiosis, potentially mitigating Alzheimer's disease-like symptoms induced by obesity in high-fat diet-fed mice - Food & Function (RSC Publishing)
Pediococcus acidilactici KCTC 15831BP-fermented hempseed supplementation corrects metabolite and gut microbiota dysbiosis, potentially mitigating Alzheimer's disease-like symptoms induced by obesity in high-fat diet-fed mice - Food & Function (RSC Publishing)
A long-term high-fat diet (HFD) causes obesity, disrupting gut microbiota and body metabolite balance, increasing the risk of Alzheimer's disease (AD). Fermented hempseed may restore microbiota balance, improve metabolism, and reduce neuroinflammation, potentially protecting against cognitive decline. This s
·pubs.rsc.org·
Pediococcus acidilactici KCTC 15831BP-fermented hempseed supplementation corrects metabolite and gut microbiota dysbiosis, potentially mitigating Alzheimer's disease-like symptoms induced by obesity in high-fat diet-fed mice - Food & Function (RSC Publishing)
Why Most Beet Products Are USELESS - YouTube
Why Most Beet Products Are USELESS - YouTube
Beets became a health craze in 2012 after Olympic athletes revealed their secret weapon: beetroot’s ability to enhance performance through increased nitric o...
·youtube.com·
Why Most Beet Products Are USELESS - YouTube
I Got ChatGPT To Admit Its Antichrist Purpose... - YouTube
I Got ChatGPT To Admit Its Antichrist Purpose... - YouTube
ChatGPT Just Admitted Its Antichrist Purpose...They said it was just a tool… but what if it’s part of something much darker? In this video, I confront ChatGP...
·youtube.com·
I Got ChatGPT To Admit Its Antichrist Purpose... - YouTube
Mechanisms of Laminaria japonica Polysaccharide Digestion and Absorption: Structure, In Vivo Fluorescence Imaging, and Gut Microbiota | Journal of Agricultural and Food Chemistry
Mechanisms of Laminaria japonica Polysaccharide Digestion and Absorption: Structure, In Vivo Fluorescence Imaging, and Gut Microbiota | Journal of Agricultural and Food Chemistry
This study clarified the structure and digestive properties of the Laminaria japonica polysaccharide (LJP). It was demonstrated that LJP belongs to a heteropolysaccharide composed of mannuronic acid, fucose, galactose, glucuronic acid, mannose, xylose, glucose, and guluronic acid in the proportion of 34.56%: 30.55%: 10.63%: 7.52%: 6.66%: 3.74%: 3.62%: 2.72%, with a backbone chain composed of →4)-β-d-ManA-(1→, →3)-α-l-Fucp-(1→, →4)-α-GulA-(1→, →3,4)-α-GlcA-(1→, and →4)-β-d-GlcA-(1→. In vivo fluorescence imaging indicated that LJP was mainly distributed in the stomach and intestinal segments of mice, and the fluorescence signal gradually disappeared after 12 h of digestion. In addition, LJP had no effect on the phenotype and general health of mice while promoting the proliferation of the beneficial bacteria Rikenella, Rikenellaceae_RC9_gut_group. Notably, 100 mg/kg LJP significantly increased the levels of acetic and butyric acid in the mice feces, which were 1.51 and 2.65 folds higher than the controls, respectively. Our study illuminated the absorption and distribution mechanism of LJP, providing a scientific reference for revealing LJP as a potential prebiotic.
·pubs.acs.org·
Mechanisms of Laminaria japonica Polysaccharide Digestion and Absorption: Structure, In Vivo Fluorescence Imaging, and Gut Microbiota | Journal of Agricultural and Food Chemistry
Mitigation of inflammation and oxidative stress in FCA-induced arthritic rat model through gum acacia intervention: a comprehensive in‑vivo study | Inflammopharmacology
Mitigation of inflammation and oxidative stress in FCA-induced arthritic rat model through gum acacia intervention: a comprehensive in‑vivo study | Inflammopharmacology
Rheumatoid arthritis is a persistent immune-mediated inflammatory disorder that primarily affects joint bones, impacting approximately 0.5–1.0% of the global population. People with RA are 1.5 times more likely to develop cardiovascular conditions, including atherosclerosis. This study explored the therapeutic potential of GAc in a rat model of RA induced by CFA, focusing on its impact on biomarkers associated with atherosclerosis. Molecular docking studies indicated strong binding affinities of GAc with key inflammatory cytokines, including TNF-α, IL-6, IL-1β, NF-κB and PRMT-1. The experimental model of 23 days involved the induction of arthritis by injecting 0.15 mL of CFA into the sub-plantar region of the rats’ left hind paws. GAc was dissolved in distilled water and administered to rats via oral gavage. Our results revealed that the administration of GAc, particularly in combination with MtxSt (GAc 10 g/kg + MtxSt), significantly (p < 0.001) reduced arthritic scores, joint stiffness scores, paw thickness, levels of lipids (LDL, VLDL, TG, and TC), asymmetric dimethylarginine (ADMA), homocysteine, oxidative stress, and pro-inflammatory cytokines. In addition, GAc markedly (p < 0.001) improved body weight, hematological parameters (RBC, %HCT and Hb), HDL, dimethylarginine dimethylaminohydrolase-1(DDAH-1), and CST levels. Histopathological assessments showed that GAc 10 g/kg + MtxSt significantly alleviated bone and cartilage erosion (p < 0.001), pannus formation (p < 0.001), synovial hyperplasia (p < 0.01), vascular congestion (p < 0.001) and inflammatory cell infiltration (p < 0.001). The therapeutic efficacy of GAc is ascribed to its anti-inflammatory, antioxidant, and anti-atherosclerotic properties. This study suggested that combining GAc with MtxSt exerts a synergistic effect in mitigating inflammation and reducing the risk of atherosclerosis associated with RA.
·link.springer.com·
Mitigation of inflammation and oxidative stress in FCA-induced arthritic rat model through gum acacia intervention: a comprehensive in‑vivo study | Inflammopharmacology