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Literature DB >> 7189755

Evidence for an intramembrane component associated with a cellulose microfibril-synthesizing complex in higher plants.

Abstract

Freeze-fracture of rapidly frozen, untreated plant cells reveals terminal complexes on E-fracture faces and intramembrane particle rosettes on P-fracture faces. Terminal complexes and rosettes are associated with the ends of individual microfibril impressions on the plasma membrane. In addition, terminal complexes and rosettes are associated with the impressions of new orientations of microfibrils. These structures are sparse within pit fields where few microfibril impressions are observed, but are abundant over adjacent impressions of microfibrils. It is proposed that intramembrane rosettes function in association with terminal complexes to synthesize microfibrils. The presence of a cellulosic microfibril system in Zea mays root segments is confirmed by degradation experiments with Trichoderma cellulase.

Entities: Disease Species

Mesh：

Substances：
Cellulose
Cellulase

Year: 1980 PMID： 7189755 PMCID： PMC2110546 DOI： 10.1083/jcb.84.2.315

Source DB: PubMed Journal: J Cell Biol ISSN： 0021-9525 Impact factor: 10.539

12 in total

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Journal: Proc Natl Acad Sci U S A Date: 1976-01 Impact factor: 11.205

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82 in total

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Journal: Proc Natl Acad Sci U S A Date: 2011-11-07 Impact factor: 11.205

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Authors: Ying Gu; Nick Kaplinsky; Martin Bringmann; Alex Cobb; Andrew Carroll; Arun Sampathkumar; Tobias I Baskin; Staffan Persson; Chris R Somerville
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Journal: Plant Cell Date: 2019-01-15 Impact factor: 11.277

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