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Sweet potato sporamins are trypsin inhibitors and exhibit strong resistance to digestion by pepsin, trypsin and chymotrypsin. In addition, they constitute the major storage proteins in the sweet potato and, after degradation, provide nitrogen as a nutrient for seedling regrowth in sprouting storage
Plant aspartic proteases are generally divided into three categories: typical, nucellin-like, and atypical aspartic proteases based on their gene and protein structures. In this report, a full-length cDNA SPAP1 was cloned from sweet potato leaves, which contained 1515 nucleotides (504 amino acids)
Granulins are a family of evolutionarily ancient proteins that are involved in regulating cell growth and division in animals. In this report a full-length cDNA, SPCP3, was isolated from senescent leaves of sweet potato (Ipomoea batatas). SPCP3 contains 1389 nucleotides (462 amino acids) in its open
The sweet potato residue being at the initial moisture content 50-58%, initial pH 3.5-4.3, supplemented with rice bran, and minerals, and incubated at 20-26 degrees C for 5 days was the optimal conditions for protease production with Aspergillus niger NTU-AM-1 by solid state fermentation. Protease
Strawberry mottle virus (SMoV) belongs to the family Secoviridae (order Picornavirales) and has a bipartite genome with each RNA encoding one polyprotein. All characterized secovirids encode a single protease related to the picornavirus 3C protease. The SMoV 3C-like protease was
In this study, a protease enzyme was purified from strawberry by using Sepharose-4B-l-tyrosine-p-amino benzoic acid affinity chromatography. The molecular weight of pure protease was determined 65.8 kDa by SDS-PAGE. The single band observed on the gel showed that the enzyme had a single polypeptide
In this report a full-length cDNA, SPCP2, which encoded a putative papain-like cysteine protease was isolated from senescent leaves of sweet potato (Ipomoea batatas). SPCP2 contained 1101 nucleotides (366 amino acids) in its open reading frame, and exhibited high amino acid sequence identities (ca.
Strawberry mottle virus (SMoV, family Secoviridae, order Picornavirales) is one of several viruses found in association with strawberry decline disease in Eastern Canada. The SMoV genome consists of two positive-sense single-stranded RNAs, each encoding one large polyprotein. The RNA1 polyprotein
[This corrects the article on p. 745 in vol. 8, PMID: 28496438.].
The complete nucleotide sequence of the isolate C1 of Sweet potato feathery mottle virus (SPFMV) strain C and the 5' region of several other strains were determined and analyzed together with the sequences of isolates representing the EA, RC and O strains. This provided molecular evidence for the
Glutaredoxins (Grx) play an important role in reduction of protein glutathione mixed disulphides. An IbGrx cDNA (561 bp, EF362614) encoding a putative dithiol Grx was cloned from sweet potato (Ipomoea batatas [L.] Lam). The deduced amino acid sequence is conserved among the reported dithiol Grx,
The coat protein of particles of sweet potato feathery mottle potyvirus (SPFMV) extracted from Ipomoea spp. migrated in SDS-PAGE mainly as bands of M(r) 38,000 (38K), 36K, 32K, 30K. Trypsin treatment of the particles resulted in the appearance of only one 30K polypeptide. The inclusion of protease
Effects of ultrasonication, boiling, steaming, microwaving and autoclaving pretreatments on the production of sweet potato protein hydrolysates (SPPH) by single and combined Alcalase (ALC) and Protease (PRO) were investigated, as well as antioxidant activities of SPPH subjected to in vitro
Breast cancer (BC) is a prominent source of cancer mortality in women throughout the world. β-Sitosterol-d-glucoside (β-SDG), a newly isolated phytosterol from sweet potato, possibly displays potent anticancer activity. However, the probable anticancer mechanisms involved are still unclear. This
Alpha-Glucan phosphorylase (EC 2.4.1.1.) was purified from sweet potato roots. Apparently homogeneous preparations obtained are partially degraded products from phosphorylase, as judged from the results of molecular weight determination, NH-2-termini analysis and pyridoxal-5'-P assay. Phosphorylase