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[Mining, characterization, and expression of a fructan sucrase for efficient conversion of soybean oligosaccharides].
Sheng Wu Gong Cheng Xue Bao
January 2025
School of Life Sciences, Anhui University, Hefei 230000, Anhui, China.
The high content of sucrose and raffinose reduces the prebiotic value of soybean oligosaccharides. Fructan sucrases can catalyze the conversion of sucrose and raffinose to high-value products such as fructooligosaccharides and melibiose. To obtain a fructan sucrase that can efficiently convert soybean oligosaccharides, we first mined the fructan sucrase gene from microorganisms in the coastal areas of Xisha Islands and Bohai Bay and then characterized the enzymatic and catalytic properties of the enzyme.
View Article and Find Full Text PDFDisaccharidase Enzyme Deficiency in Adult Patients with Gas and Bloating.
Clin Transl Gastroenterol
January 2025
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Wellstar Medical College of Georgia, Augusta University, Augusta, Georgia.
Introduction: Disaccharidases produced by the small intestinal brush border facilitate digestion of dietary carbohydrates. If deficient, they can cause carbohydrate malabsorption resulting in several abdominal symptoms. Our aim was to examine the prevalence of disaccharidase deficiency and correlate this with abdominal symptoms in adult patients with chronic abdominal symptoms.
View Article and Find Full Text PDFEnterocyte-like differentiation defines metabolic gene signatures of CMS3 colorectal cancers and provides therapeutic vulnerability.
Nat Commun
January 2025
Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
Colorectal cancer (CRC) is stratified into four consensus molecular subtypes (CMS1-4). CMS3 represents the metabolic subtype, but its wiring remains largely undefined. To identify the underlying tumorigenesis of CMS3, organoids derived from 16 genetically engineered mouse models are analyzed.
View Article and Find Full Text PDFMaize drought protection by Azospirillum argentinense Az19 requires bacterial trehalose accumulation.
Appl Microbiol Biotechnol
December 2024
Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata (UNMdP), Ruta Provincial 226 Km 73.5, B7620, Balcarce, Buenos Aires, Argentina.
Azospirillum argentinense Az19 is an osmotolerant plant growth-promoting bacterium that protects maize plants from drought. In this work, we explored the role of trehalose in the superior performance of Az19 under stress. The trehalase-coding gene treF was constitutively expressed in Az19 through a miniTn7 system.
View Article and Find Full Text PDFExpression of Recombinant Human α-Glucosidase in HEK293 Cells.
J Agric Food Chem
January 2025
Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
In mammals, intestinal α-glucosidase exists as a maltase-glucoamylase complex (MGAM) and a sucrase-isomaltase complex (SI). In this study, we transiently expressed human MGAM and SI in human embryonic kidney 293 (HEK293) cells. At pH 6.
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