arabinoxylan/zea mays

Changes in structural features of feraxan (feruloylated arabinoxylans) in cell walls during development of maize (Zea mays L.) coleoptiles were investigated by analysis of fragments released by feraxanase, a specific enzyme purified from Bacillus subtilis. The following patterns were identified: (a)

Structural features of feruloylated arabinoxylan (feraxan) present in Zea mays L. (hybrid B 73 x Mo 17) coleoptile cell walls have been studied using a purified feraxan-dissociating enzyme (feraxanase) and an alpha-arabinofuranosidase. This experimental approach has demonstrated the following. (a)

Three novel beta-xylan xylanohydrolases capable of dissociating ferulated arabinoxylan (Feraxan) from maize (Zea mays L. hybrid B73 x Mo17) coleoptile sections and two conventional beta-xylan xylanohydrolases (xylanases) were purified from a Bacillus subtilis industrial enzyme preparation (Novo Ban

Human fecal fermentation profiles of maize, rice, and wheat bran and their dietary fiber fractions released by alkaline-hydrogen peroxide treatment (principally arabinoxylan) were obtained with the aim of identifying and characterizing fractions associated with high production of short chain fatty

An arabinoxylan-rhamnogalacturonan complex, comprised of galacturonic acid, rhamnose, arabinose, xylose, and galactose in the ratios 75.9:4.6:5.2:3.5:5.4 and lesser amounts of other constituents, was dissociated from the water-insoluble matrix of cell walls of Zea mays by xylanase and

Primary cell walls of grasses and cereals contain arabinoxylans with esterified ferulate side chains, which are proposed to cross-link the polysaccharides during maturation by undergoing oxidative coupling. However, the mechanisms and control of arabinoxylan cross-linking in vivo are unclear.

Graminaceous arabinoxylans are distinguished by decoration with feruloylated monosaccharidic and oligosaccharidic side-chains. Although it is hypothesized that structural complexity and abundance of these feruloylated arabinoxylan side-chains may contribute, among other factors, to resistance of

Maize (Zea mays L.) cell cultures incorporated radioactivity from [14C]cinnamate into hydroxycinnamoyl-CoA derivatives and then into polysaccharide-bound feruloyl residues. Within 5-20 min, the CoA pool had lost its 14C by turnover and little or no further incorporation into polysaccharides then

Secreted slime isolated from the incubation medium of Zea mays roots maintained axenically contains fucose, arabinose, xylose, galactose, and glucose as the major monosaccharides. The slime preparation contains low levels (3% weight/weight [w/w]) of uronic acids. Methylation analysis reveals an

Maize husks, an agricultural and industrial residue generated in a large volume, were investigated as a potential source of useful biopolymers. Thus, their chemical composition was firstly studied, after which two biopolymer products were obtained and characterized. Maize husks were dried and

Cinnamyl alcohol dehydrogenase (CAD) is a key enzyme involved in the last step of monolignol biosynthesis. The effect of CAD down-regulation on lignin production was investigated through a transgenic approach in maize. Transgenic CAD-RNAi plants show a different degree of enzymatic reduction

Ferulic acid esterases have been identified and partially purified from maize pollen. Results suggest that maize pollen FAEs may play an important role in pollen fertilization. A critical step in maize (Zea mays) seed production involves fertilization of the ovule by pollen, a process that relies on

Corn bran, as one of the high-fructose corn syrup industries' by-products, is a rich source of functional fibers. The major fraction of corn bran is insoluble arabinoxylan having lower functional properties than the minor soluble function. Therefore, the main aim of this research was to increase the

This study was undertaken to compare cell wall characteristics including levels of p-coumarate (pCA) and lignin in corn (Zea mays L.) types. Five different types of corn, four commercial and Teosinte, were grown in the greenhouse in individual pots. For each corn type replicate stems were harvested

Studies involving the habituation of plant cell cultures to cellulose biosynthesis inhibitors have achieved significant progress as regards understanding the structural plasticity of cell walls. However, since habituation studies have typically used high concentrations of inhibitors and long-term