113 results match your criteria: "Kasetsart University (OmiKU)[Affiliation]"

Phosphorylation of SNW1 protein associated with equine melanocytic neoplasm identified in serum and feces.

Sci Rep

December 2024

Department of Clinical Science and Public Health, Faculty of Veterinary Science, Mahidol University, Salaya, Puttamonthon, Nakhon Pathom, 73170, Thailand.

Equine melanocytic neoplasm (EMN) represents a form of skin tumor observed predominantly in grey horses aged over 15 years. Despite its prevalence, current therapeutic and preventive strategies for EMN have been subject to limited investigation. This study endeavors to shed light on potential phosphoproteins present in equine serum and fecal samples, potentially linked to EMN, with a specific focus on functional interactions in EMN pathogenesis.

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Article Synopsis
  • Amphotericin B (AmB) is a strong antifungal and antiparasitic drug that kills leishmanial parasites by disrupting their cell membranes, making it important to study its effects on parasites like Leishmania orientalis to understand potential drug resistance.
  • This study involved exposing a specific Leishmania orientalis strain to AmB and analyzing genetic changes through sequencing methods, focusing on single nucleotide polymorphisms (SNPs) and gene expression changes.
  • The results indicated no significant chromosomal alterations post-treatment, but a higher incidence of SNPs in the control group, along with the downregulation of key genes, suggesting complex regulatory mechanisms might contribute to AmB resistance in this strain.
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Exploring dietary methods to alter microbial communities and metabolic functions is becoming an increasingly fascinating strategy for improving health. Copra meal hydrolysate (CMH) is alternatively used as a gut health supplement. However, the functional diversity and metabolic activities in gut microbiome in relation to CMH treatment remain largely unknown.

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Genome-wide association studies unveils the genetic basis of cell wall composition and saccharification of cassava pulp.

Plant Physiol Biochem

January 2025

Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Road, Chatuchak, Bangkok, 10900, Thailand; Omics Center for Agriculture, Bioresources, Food and Health, Kasetsart University (OmiKU), Bangkok, Thailand; Center of Advanced Studies for Tropical Natural Resources, Kasetsart University, 50 Ngam Wong Wan Road, Chatuchak, Bangkok, 10900, Thailand. Electronic address:

Article Synopsis
  • Cassava is a vital crop for producing starch and biofuels, and this study investigates its polysaccharide composition and efficiency of converting its pulp into sugars through genome-wide association studies (GWAS).
  • Researchers analyzed 135 inbred lines and found significant genetic variations linked to biomass traits, with notable SNPs pointing to a complex genetic makeup that influences saccharification potential and monosaccharide traits.
  • The study identified key candidate genes related to stress responses affecting cell wall composition, which offer valuable insights for breeding cassava varieties tailored for better industrial use.
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Phytoplasma DNA Enrichment from Sugarcane White Leaves for Shotgun Sequencing Improvement.

Plants (Basel)

October 2024

Centro Andaluz de Biología Molecular y Medicina Regenerativa, Universidad de Sevilla, 41092 Sevilla, Spain.

Sugarcane white leaf (SCWL) disease, caused by Phytoplasma sacchari, poses a significant threat to sugarcane cultivation. An obligate parasite, phytoplasma is difficult to culture in laboratory conditions, making the isolation of its DNA from the massive amount of plant host DNA extremely challenging. Yet, the appropriate amount and quality of plant microbiome-derived DNA are key for high-quality DNA sequencing data.

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Article Synopsis
  • The study investigates the effects of light exposure on gene regulation in a fungus used in traditional Chinese medicine, aiming to understand its growth, development, and metabolite production.
  • An expanded gene regulatory network was created, identifying key transcription factors and regulated genes that respond to light, highlighting their potential importance in the fungus's functions.
  • Molecular docking analysis suggested two novel transcription factors might play significant roles in light signaling pathways, paving the way for future research on transcriptional regulation in fungi.
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Identification of proteins involved in cell wall matrix polysaccharide biosynthesis is crucial to understand plant cell wall biology. We utilized cross-linking and immunoprecipitation with cell wall antibodies that recognized xyloglucan, xylan, mannan, and homogalacturonan to capture proteins associated with matrix polysaccharides in protoplasts. The use of cross-linkers allowed us to capture proteins actively associated with cell wall polymers, including those directly interacting with glycans via glycan-protein (GP) cross-linkers and those associated with proteins linked to glycans via a protein-protein (PP) cross-linker.

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Dipeptidyl peptidase-IV (DPPIV) inhibitory peptides are a class of antihyperglycemic drugs used in the treatment of type 2 diabetes mellitus, a metabolic disorder resulting from reduced levels of the incretin hormone GLP-1. Given that DPPIV degrades incretin, a key regulator of blood sugar levels, various antidiabetic medications that inhibit DPPIV, such as vildagliptin, sitagliptin, and linagliptin, are employed. However, the potential side effects of these drugs remain a matter of debate.

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Sugarcane white leaf (SCWL) disease, caused by Phytoplasma sacchari, results in the most damage to sugarcane plantations. Some SCWL canes can grow unnoticed through the maturation phase, subsequently resulting in an overall low sugar yield, or they can be used accidentally as seed canes. In this work, 12-month-old SCWL and asymptomatic canes growing in the same field were investigated.

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Holistic transcriptional responses of Cordyceps militaris to different culture temperatures.

Gene

September 2024

Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand; Omics Center for Agriculture, Bioresources, Food, and Health, Kasetsart University (OmiKU), Bangkok, Thailand. Electronic address:

Cordyceps militaris is a medicinal entomopathogenic fungus containing valuable biometabolites for pharmaceutical applications. Its genetic inheritance and environmental factors play a crucial role in the production of biomass enriched with cordycepin. While temperature is a crucial controlled parameter for fungal cultivation, its impacts on growth and metabolite biosynthesis remains poorly characterized.

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WJ11 is a lipid-producing strain with industrial potential. A holistic approach using gene manipulation and bioprocessing development has improved lipid production and the strain's economic viability. However, the systematic regulation of lipid accumulation and carotenoid biosynthesis in remains unknown.

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The genome-scale metabolic model (GSMM) of provides a comprehensive basis of carbon assimilation for cell growth and metabolite production. However, the model with a simple mass balance concept shows limited capability to probe the metabolic responses of under light exposure. This study, therefore, employed the transcriptome-integrated GSMM approach to extend the investigation of 's metabolism under light conditions.

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The association between the gut mycobiome and its potential influence on host metabolism in the Thai Cohort was assessed. Two distinct predominant enterotypes, Saccharomyces (Sa) and Aspergillus/Penicillium (Ap/Pe) showed differences in gut mycobiota diversity and composition. Notably, the Sa enterotype exhibited lower evenness and richness, likely due to the prevalence of Saccharomyces, while both enterotypes displayed unique metabolic behaviors related to nutrient metabolism and body composition.

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The voltage-gated sodium (Na) channel is a crucial molecular component responsible for initiating and propagating action potentials. While the α subunit, forming the channel pore, plays a central role in this function, the complete physiological function of Na channels relies on crucial interactions between the α subunit and auxiliary proteins, known as protein-protein interactions (PPI). Na blocking peptides (NaBPs) have been recognized as a promising and alternative therapeutic agent for pain and itch.

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Accelerating the identification of the allergenic potential of plant proteins using a stacked ensemble-learning framework.

J Biomol Struct Dyn

February 2024

Center for Research Innovation and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand.

Plant-allergenic proteins (PAPs) have the potential to induce allergic reactions in certain individuals. While these proteins are generally innocuous for the majority of people, they can elicit an immune response in those with particular sensitivities. Thus, screening and prioritizing the allergenic potential of plant proteins is indispensable for the development of diagnostic tools, therapeutic interventions or medications to treat allergic reactions.

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Efficient de novo production of bioactive cordycepin by Aspergillus oryzae using a food-grade expression platform.

Microb Cell Fact

December 2023

Industrial Bioprocess Technology Research Team, Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand.

Background: Cordycepin (3'-deoxyadenosine) is an important bioactive compound in medical and healthcare markets. The drawbacks of commercial cordycepin production using Cordyceps spp. include long cultivation periods and low cordycepin yields.

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Uncovering nutrients and energy related gene functions of black soldier fly Hermetia illucens strain KUP.

Gene

February 2024

Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand; Omics Center for Agriculture, Bioresources, Food, and Health, Kasetsart University (OmiKU), Bangkok, Thailand. Electronic address:

The black soldier fly (Hermetia illucens) has emerged as a significant insect species in the decomposition of organic waste for sustainable agricultural practices. Due to its remarkable characteristics and performance, H. illucens is increasingly utilised for insect farming, particularly for industrial-scale rearing throughout the world.

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Article Synopsis
  • Mitochondrial DNAs (mtDNAs) are important for studying evolutionary relationships and species identification, particularly in eukaryotes, while kinetoplast DNAs (kDNAs) in kinetoplastids have a complex structure, comprising maxicircles and minicircles.
  • This study focused on the kDNAs of a newly examined species, Leishmania orientalis strain PCM2, utilizing hybrid genome sequencing to analyze and reconstruct its kDNA sequences.
  • The research discovered high similarity between L. orientalis maxicircle and another strain, L. enriettii, and identified multiple classes of minicircles, providing genetic insights that may assist in diagnosis and understanding the parasite's genetics in Thailand.
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Atopic dermatitis (AD) is a prevalent inflammatory skin disease that has been associated with changes in gut microbial composition in early life. However, there are limited longitudinal studies examining the gut microbiome in AD. This study aimed to explore taxonomy and metabolic functions across longitudinal gut microbiomes associated with AD in early childhood from 9 to 30 months of age using integrative data analysis within the Thai population.

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TIPred: a novel stacked ensemble approach for the accelerated discovery of tyrosinase inhibitory peptides.

BMC Bioinformatics

September 2023

Center for Research Innovation and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand.

Background: Tyrosinase is an enzyme involved in melanin production in the skin. Several hyperpigmentation disorders involve the overproduction of melanin and instability of tyrosinase activity resulting in darker, discolored patches on the skin. Therefore, discovering tyrosinase inhibitory peptides (TIPs) is of great significance for basic research and clinical treatments.

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Plant cell wall biosynthesis is a complex process that requires proteins and enzymes from glycan synthesis to wall assembly. We show that disruption of (), a member of the multigene family containing 28 genes in , results in alterations to the structure and composition of cell wall polysaccharides and reduced growth and plant size. An ELISA using cell wall antibodies shows that the mutants also exhibit ~50% reductions in xyloglucan (XyG), glucuronoxylan (GX) and heteromannan (HM) epitopes in the NaOH fraction and ~50% increases in homogalacturonan (HG) epitopes in the CDTA fraction.

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Uncovering global lipid accumulation routes towards docosahexaenoic acid (DHA) production in Aurantiochytrium sp. SW1 using integrative proteomic analysis.

Biochim Biophys Acta Mol Cell Biol Lipids

November 2023

Colin Ratledge Centre for Microbial Lipids, School of Agriculture Engineering and Food Science, Shandong University of Technology, Zibo, China. Electronic address:

Aurantiochytrium sp., a marine thraustochytrid possesses a remarkable ability to produce lipid rich in polyunsaturated fatty acids (PUFAs), such as docosahexaenoic acid (DHA). Although gene regulation underlying lipid biosynthesis has been previously reported, proteomic analysis is still limited.

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Hepatitis C virus (HCV) infection is a concerning health issue that causes chronic liver diseases. Despite many successful therapeutic outcomes, no effective HCV vaccines are currently available. Focusing on T cell activity, the primary effector for HCV clearance, T cell epitopes of HCV (TCE-HCV) are considered promising elements to accelerate HCV vaccine efficacy.

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Genome-based reclassification of , and the genera , and .

Int J Syst Evol Microbiol

July 2023

Department of Genetics, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand.

In the present study, the taxonomic positions of , and members of the genera , and were evaluated. The 16S rRNA gene sequence similarity between DSM 14745, DSM 23947 and members of the genera and were above the cut-off level (>95 %) for genus delineation. Amino acid identity (AAI) values and the results of phylogenomic analysis suggested that and the members of the genera , and belong to the same genus.

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The giant African snail (Order Stylommatophora: Family Achatinidae), (Bowdich, 1822), is the most significant and invasive land snail pest. The ecological adaptability of this snail involves high growth rate, reproductive capacity, and shell and mucus production, driven by several biochemical processes and metabolism. The available genomic information for provides excellent opportunities to hinder the underlying processes of adaptation, mainly carbohydrate and glycan metabolic pathways toward the shell and mucus formation.

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