Ascorbic acid: metabolism and functions of a multi-facetted molecule (Record no. 41087)

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control field MX-MdCICY
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control field 20250625124648.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-6748
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Title Ascorbic acid: metabolism and functions of a multi-facetted molecule
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Volume/sequential designation Current Opinion in Plant Biology , 3(3), p.229-235, 2000
520 3# - SUMMARY, ETC.
Summary, etc. Ascorbic acid (vitamin C)is the most abundant antioxidant in plants. Its biosynthetic pathway via GDP-D-mannose and L-galactose, which was proposed only recently, is now supported by molecular genetic evidence from Arabidopsis thaliana and transgenic potato plants. Except for the last step (which is located on the inner mitochondrial membrane)the pathway is cytosolic, sharing GDP-sugar intermediates with cell-wall polysaccharide and glycoprotein synthesis. Ascorbate peroxidase is emerging as a key enzyme in the fine control of H2O2 concentration; its expression being controlled by redox signals and H2O2. Convincing evidence of the involvement of ascorbate in cell division and growth is also accumulating. Its role as a cofactor in the synthesis of cell wall hydroxyprolinerich glycoproteins is one mechanism for this function.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Smirnoff, N.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1NyWZAj5eH_Ql0mHbja0aTGXlqolUXLM7/view?usp=drivesdk">https://drive.google.com/file/d/1NyWZAj5eH_Ql0mHbja0aTGXlqolUXLM7/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-6748 25.06.2025 25.06.2025 Documentos solicitados