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Graminaceous monocots generally contain low levels of hydroxyproline-rich Glycoproteins (HRGPs). As HRGPs are often at the cell surface, we used the intact cell elution technique (100 millimolar AlCl(3)) to isolate soluble surface proteins from Zea mays cell suspension cultures. Further
Although trypsin is highly specific for lysyl and arginyl bonds, some peptide bonds, such as lysylproline, are generally trypsin-resistant, with rare exceptions as reported here. Trypsin cleaved a specific Lys-Pro bond in the chymotryptic peptide:
A hydroxyproline-rich glycoprotein (HRGP) component of the maize cell wall was shown to be present in different organs of the plant by extraction of cell wall proteins and detection by Western blotting and immunocytochemistry. Antibodies raised against the protein or against synthetic peptides
The plant reproductive process of pollination involves a series of interactions between the male gametophyte (the pollen grain or pollen tube) and extracellular matrix (ECM) molecules secreted by different cell types along the pollen tube growth pathway in the female organ, the pistil. These
The sequences of the genes coding for a hydroxyproline-rich glycoprotein from two varieties of maize (Zea mays, Ac1503 and W22), a teosinte (Zea diploperennis) and sorghum (Sorghum vulgare) have been obtained and compared. Distinct patterns of variability have been observed along their sequences.
Etiolated maize (Zea mays L.) seedlings were grown in the dark for 5 days in an atmosphere enriched with 10.0 atom% (18)O(2). Hydroxyproline was isolated from root and shoot tissues, purified, and methylated. It was not possible to determine (18)O incorporation into hydroxyproline by conventional
Chymotryptic digestion of a threonine-rich hydroxyproline-rich glycoprotein (THRGP) purified from the cell surface of a Zea mays cell suspension culture gave a peptide map dominated by the hexadecapeptide TC5: Thr-Hyp-Ser-Hyp-Lys-Pro-Hyp-Thr-Pro-Lys-Pro-Thr-Hyp-Hyp-Thr-Tyr, in which the repetitive
Earlier we isolated a threonine-rich extensin from maize (Zea mays). Here, we report that maize cell suspension cultures yield a new extensin rich in histidine (HHRGP) that also has characteristics of arabinogalactan proteins (AGPs). Thus, chymotryptic peptide maps of anhydrous hydrogen fluoride
In an effort to understand the role of hydroxyproline-rich glycoproteins (HRGPs) in plant cell wall structure, we studied the distribution and physical properties of PC-1-like proteins (PC-1 being the major pericarp HRGP) throughout sporophytic tissues of two maize (Zea mays L.) varieties. We
Olive oil could attenuate carbon tetrachloride (CCl4) induced liver fibrosis (LF) in mouse model. This study aimed to evaluate the effects of other common oils on CCl4 induced LF. Healthy male ICR mice were administered with CCl4 intraperitoneally at 2.5 ml/kg twice
We have studied the accumulation of peptidyl hydroxyproline in the pericarp of developing maize (Zea mays L., Golden cross Bantam sweet corn) kernels. Although this hydroxyproline accumulates throughout development, it is most soluble and its content per milligram dry weight greatest at
Zea mays (maize) pollen exines have been purified with the use of differential centrifugation and sucrose gradients, followed by mild detergent and high salt treatment. The final exine fraction is highly purified from other organelles and subcellular structures as assayed by transmission electron
The pattern of expression of two genes coding for proteins rich in proline, HyPRP (hybrid proline-rich protein) and HRGP (hydroxyproline-rich glycoprotein), has been studied in maize (Zea mays) embryos by RNA analysis and in situ hybridization. mRNA accumulation is high during the first 20 d after
BACKGROUND
Sesamin (Ses) from Sesamun indicum seeds has potent antioxidants and anti-inflammatory effects.
OBJECTIVE
This study focused on the antioxidant and anti-inflammatory effects of Ses on Carbon tetrachloride (CCl4)-induced hepatic fibrosis in experimental rats and the potential mechanism
The extensin family is a diverse group of hydroxyproline-rich glycoproteins located in the cell wall and characterized by repetitive peptide motifs glycosylated to various degrees. The origin of this diversity and its relationship to function led us earlier to compare extensins of the two major