Wood and Fiber Science (Society of Wood Science and Technology) · 2007 · 13 citations · 0 references
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Life SciencesBiophysicsEnzymologyMechanical Behavior Of MaterialsMembrane BiophysicsMembrane CharacterizationMembrane MorphologyPectin RemovalPlant Cell Wall PolysaccharidesWood AnatomyChemical Pectin RemovalCleavagePectin Hydrolysis ProductsPectinase EnzymesPectinase FunctionPectinolytic ActivityPectinolytic EnzymesPit Membranes
ARSTHACTBorderc:d pit-pair rnen~l)~.ancs of green sapwood Douglas-fir after alteration by pectinase r.nzy1rrc.sfollowed 1)y critical point drying were examined with the scanning electron ~t~icroscope to confirll~ and expand results of earlier reported observations with other ~~licroscopic cquipl~lent.hlicrograplrs of treated bordered pit-pair membranes with various degretls of pcxctin ren~oval clearly showcd the spatial relationsllip of torus structrrre.The tectiniclue used permits easy clcavage of the torus that, in turn, reveals in great detail the ir~ner organization of tnicrofibrils in the torus sandwich.Indications are that the initial pcctinase dissolution of the tortls is initiated in regions of plas~nodesmata.Elasticity of tlrc, ~lricrofibrils in water or ethanol is vividly displayed.Atltlitioncrl keyr~ortls: Pscrr(/ots~rgc~