A beta-D-galactosidase from nasturtium (Tropaeolum majus L.) cotyledons. Purification, properties, and demonstration that xyloglucan is the natural substrate.
Reads0
Chats0
TLDR
It is argued that the cell-wall storage xyloglucan of the nasturtium seed is its natural substrate.About:
This article is published in Journal of Biological Chemistry.The article was published on 1988-03-25 and is currently open access. It has received 107 citations till now. The article focuses on the topics: Xyloglucan & Tropaeolum majus.read more
Citations
More filters
Journal ArticleDOI
Identification and characterization of α-xylosidase involved in xyloglucan degradation in Aspergillus oryzae
TL;DR: The intracellular localization of AxyA may help determine the order of hydrolases acting on xyloglucan oligosaccharides.
Journal ArticleDOI
Enzymatic activity and substrate specificity of the recombinant tomato β-galactosidase 1.
Masahiro Eda,Megumi Ishimaru,Toshiji Tada,Tatsuji Sakamoto,Toshihisa Kotake,Yoichi Tsumuraya,Andrew J. Mort,Kenneth C. Gross +7 more
TL;DR: The open reading frame of tomato β-galactosidase 1 was expressed in yeast, and the enzymatic properties and substrate specificity were investigated as mentioned in this paper, and the enzyme had peak activity at pH 5.0 and 40-50°C.
Journal ArticleDOI
Isolation and partial purification of beta-galactosidases from cotyledons of two cowpea cultivars
Joaquim Enéas-Filho,Gislainy Karla da Costa Barbosa,Fabrício Bonfim Sudério,José Tarquinio Prisco,Enéas Gomes-Filho +4 more
TL;DR: The results have shown that the observed differences in b-galactosidases from the cotyledons of quiescent seeds were not sufficient to relate them to stress tolerance.
Journal ArticleDOI
Characterization of β-galactosidase in the Crude Plant Extract of Artemisia judaica L. in Presence and Absence of Some Heavy Metals
TL;DR: The study showed that Hg+2 was the most potent inhibitor while Cu+2 exhibited the least inhibition degree on β-galactosidase activity in the Artemisia judaica, indicating that the enzyme β-GalactosIDase in the crude leaves extract of Artemisia Judaica can be used in industrial and medical applications.
Journal ArticleDOI
Nitrogen-deficiency-induced loss in photosynthesis and modulation of β-galactosidase activity during senescence of Arabidopsis leaves
TL;DR: Senescence-induced loss in the content of chlorophyll and the rate of oxygen evolution is remarkably enhanced when the leaves of Arabidopsis thaliana experience nitrogen-deficiency stress, and the possible participation of cell wall polysaccharides contributing to sugar homeostasis is predicted.
References
More filters
Journal ArticleDOI
Structure and function of the primary cell walls of plants.
TL;DR: All glycosyl residues (except the residue at the reducing end of an oligosaccharide, which is called a glycose residue) are glycosidically linked at C-l and this fact is assumed in the notation used, and, thus, C-\ is not mentioned.
Journal ArticleDOI
Inhibition of 2,4-dichlorophenoxyacetic Acid-stimulated elongation of pea stem segments by a xyloglucan oligosaccharide.
TL;DR: Xyloglucan, isolated from the soluble extracellular polysaccharides of suspension-cultured sycamore (Acer pseudoplatanus) cells, was digested with an endo-beta-1,4-glucanase purified from the culture fluid of Trichoderma viride to inhibit the elongation of etiolated pea stem segments.
Journal ArticleDOI
Relationship between Promotion of Xyloglucan Metabolism and Induction of Elongation by Indoleacetic Acid
John M. Labavitch,Peter M. Ray +1 more
TL;DR: The results suggest that the changes in xyloglucan reflect the means by which auxin modifies the cell wall to cause elongation.
Book ChapterDOI
Cell Wall Storage Carbohydrates in Seeds—Biochemistry of the Seed “Gums” and “Hemicelluloses”
TL;DR: This chapter outlines the structures and occurrence of cell wall storage carbohydrates to give an account of current research on their metabolism and to explore their overall biological significance in the seeds which contain them.
Journal ArticleDOI
Turnover of cell wall polysaccharides in elongating pea stem segments.
John M. Labavitch,Peter M. Ray +1 more
TL;DR: A highly selective pattern of wall turnover processes with an even more specific influence of auxin is indicated, suggesting that indoleacetic acid induces conversion of wall xyloglucan from insoluble to water-soluble form.