Grass pollen is one of the leading causes allergies in throughout world. The symptom level depends on personal immunity. Pollen allergy test kits are suitable for detecting allergic symptoms, which they produced from pure specific species. production testing requires accurate botanical standards and identification process quality control raw materials basing Thai Food drug ministration (Thai FD...

The oligosaccharides previously bound to dolichol diphosphate were isolated from Saccharomyces cerevisiae cells incubated with [U-14C]glucose. Five compounds were obtained that migrated with RGlucose of 0.100, 0.120, 0.145, 0.180, and 0.215 on paper chromatography. All of them contained mannose and 2 N-acetylhexosamine residues. The substances that migrated with the three lower RGlucose values ...

The detailed structures of the three asparagine-linked carbohydrate units of ovine lutropin subunits alpha and beta (oLH-alpha and oLH-beta) have been determined by carrying out the structural analysis on the three glycopeptides alpha GP-1, alpha GP-2, and beta GP-3, and the oligosaccharide obtained by alkaline sodium borohydride treatment of oLH and the individual subunits. Based on the result...

AbstrakAlga merupakan mikroorganisme fotosintesis yang tidak memiliki tubuh sejati dengan distribusi lingkungan sangat luas dan banyak fungsi, salah satunya sebagai indikator perubahan lingkungan. Wilayah Cekungan Bandung telah dilakukan penelitian dari beberapa aspek. Akan tetapi, terutama aspek alga memperlihatkan belum pada daerah tersebut. Penelitian ini untuk melihat bagaimana endapan sag ...

The mode of action of the extracellular a-mannosidase from Arfhrobacfer GJM-1 has been studied with several yeast mannans as substrates. In vifro, the enzyme cleaves most of the cu-(1 + 2)and a-(1 + 3)-linked side chains from Saccharomyces cerevisine mannan, producing free mannose and leaving a resistant polymer containing mainly ar-(1 --f 6)-linkages. This material cannot be further degraded b...

The cell envelope which surrounds pathogenic mycobacteria is postulated to be a defence barrier against phagocytic cells and its outermost constituents have a tendency to accumulate in the culture medium. The present work demonstrates that the exocellular material of Mycobacterium tuberculosis contains large amounts of polysaccharides with only traces, if any at all, of lipids. Three types of p...

Cell surface hydrophobicity contributes to the pathogenesis of the opportunistic fungal pathogen Candida albicans. Previous work demonstrated a correlation between hydrophobicity status and changes in the acid-labile, phosphodiester-linked beta-1,2-oligomannoside components of the N-linked glycans of cell wall mannoprotein. Glycan composition also defines the two major serotypes, A and B, of C....

For many bacteria, including those important in pathogenesis, expression of a surface-localized capsular polysaccharide (CPS) can be critical for survival in host environments. In Gram-positive bacteria, CPS linkage is to either the cytoplasmic membrane or the cell wall. Despite the frequent occurrence and essentiality of these polymers, the exact nature of the cell wall linkage has not been de...

We describe the environment effects on the amount and quality of resources collected by Melipona rufi ventris Lepeletier in the Atlantic Forest at Ubatuba city, São Paulo state, Brazil (44o 48’W, 23o 22’S). Bees carrying pollen and/or nectar were captured at nest entrances during 5 min every hour, from sunrise to sunset, once a month. Pollen loads were counted and saved for acetolysis. Nectar w...