Organized Microfibril Assembly in Higher Plant Cells

Ecology of Microbial Cellulose Degradation

“…This, in turn, implies that during the synthesis of cellulose, cells direct the crystallization in such a way that cellulose I is formed. This process and the formation of cellulose fibers are discussed by Mueller (1982), Vian (1982), Marx-Figini (1982), Haigler and Benziman (1982), and Carpita (1982) and in a summary by .…”

Pea Xyloglucan and Cellulose

“…When examined by EM, the cross section of primary cell walls often appears multilayered and ordered (22). Changes in wall architecture during elongation or/and expansion could be derived from wall loosening.…”

The Helicoidal Cell Wall as a Time Register*

“…Do the oscillations of cellulose microfibrils repeat regularly and repetitively for a long time like the hands of a clock ? The helicoidal texture occurs in walls from a variety of cell types (parenchyma, coUenchyma, sclerenchyma, tracheids, sclereids) and from many plant taxa (algae, fungi, monocotyledons, dicotyledons, conifers) (Itoh, 1976a, b;Itoh & Shimaji, 1976;Roland & Vian, 1979;Parameswaran & Liese, 1981;Takeda & Shibaoka, 1981;Lang et al, 1982;Vian, 1982;Satiat-Jeunemaitre, 1984;Neville & Levy, 1985;Roland et al, in preparation).…”

“…Numerous recent descriptions concerning the three-dimensional organization of helicoidal cell walls emphasize their analogy with liquid crystals of the cholesteric type (Bouligand, 1972;Itoh & Shimaji, 1976;Roland & Vian, 1979;Vian, 1982;Lang, Eisinger & Green, 1982;Neville & Levy, 1984Emons, 1986). Figure 2 indicates the outlines of this basic construction.…”