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Molecular analysis of cellulose biosynthesis in Arabidopsis.
Arioli, T; Peng, L; Betzner, A S; Burn, J; Wittke, W; Herth, W; Camilleri, C; Höfte, H; Plazinski, J; Birch, R; Cork, A; Glover, J; Redmond, J; Williamson, R E.
Afiliación
  • Arioli T; Cooperative Research Centre for Plant Science, Australian National University, Post Office Box 475, Canberra, ACT 2601, Australia.
Science ; 279(5351): 717-20, 1998 Jan 30.
Article en En | MEDLINE | ID: mdl-9445479
Cellulose, an abundant, crystalline polysaccharide, is central to plant morphogenesis and to many industries. Chemical and ultrastructural analyses together with map-based cloning indicate that the RSW1 locus of Arabidopsis encodes the catalytic subunit of cellulose synthase. The cloned gene complements the rsw1 mutant whose temperature-sensitive allele is changed in one amino acid. The mutant allele causes a specific reduction in cellulose synthesis, accumulation of noncrystalline beta-1,4-glucan, disassembly of cellulose synthase, and widespread morphological abnormalities. Microfibril crystallization may require proper assembly of the RSW1 gene product into synthase complexes whereas glucan biosynthesis per se does not.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Celulosa / Genes de Plantas / Arabidopsis / Proteínas de Arabidopsis / Glucosiltransferasas Idioma: En Revista: Science Año: 1998 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Celulosa / Genes de Plantas / Arabidopsis / Proteínas de Arabidopsis / Glucosiltransferasas Idioma: En Revista: Science Año: 1998 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos