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Cloning of a Streptococcus mutans glucosyltransferase gene coding for insoluble glucan synthesis
TLDR
Results indicate that the gtfB gene codes for a GTF involved in insoluble glucan synthesis in strain GS-5, and evidence for the existence of a distinct gene sharing partial homology with gTFB was obtained.
Localization of carbohydrate chains of pig sperm ligand in the glycoprotein ZPB of egg zona pellucida.
TLDR
The results suggest that the carbohydrate chains linked to Asn220 of ZPB participate predominantly in sperm-egg binding.
Involvement of N-linked carbohydrate chains of pig zona pellucida in sperm-egg binding.
TLDR
Results indicate that N-linked carbohydrate chains of PZP3 alpha play a major role in mediating the sperm binding of zona pellucida in pig.
pH-sensitive dissociation and association of beta-N-acetylhexosaminidase from boar sperm acrosome.
TLDR
beta-Hex I was shown to possess cumulus dispersion activity, suggesting that beta-HEx plays a role in the passing by sperm through cumulus cells before they bind to the zona pellucida.
Two components of cell-bound isopullulanase from Aspergillus niger ATCC 9642--their purification and enzymatic properties.
TLDR
Cell-bound isopullulanase (pullulan 4-glucanohydrolase: EC 3.2.1.57, IPU) from Aspergillus niger ATCC9642 was separated into two active components and the substrate specificity on pullulan and panose, specific activity, optimum pH, pH stability, and susceptibility to certain chemical reagents were similar.
Isolation and characterization of the sucrose 6-phosphate hydrolase gene from Streptococcus mutans
TLDR
Results suggest that processing of the hydrolase occurs in S. mutans GS-5, and the relative position of the gene in the insert has been determined after Tn5 mutagenesis and deletion analysis.
Gene Cloning and Expression of a Bacteroides Gingivalis-Specific Protein Antigen in Escherichia Coli
TLDR
Gene banks of chromosomal DNA from Bacteroides gingival is 381 were constructed utilizing the bacteriophage replacement vector λCharon4A, and data suggest that the gene coding for a B. gedivalis-specific protein antigen was successfully cloned and functionally expressed in Escherichia coli.
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