PRELIMINARY CHARACTERIZATION OF THE MATERIAL RELEASED TO THE CULTURE-MEDIUM BY CANDIDA-ALBICANS YEAST AND MYCELIAL CELLS

被引：10

作者：

LOPEZRIBOT, JL ^{[1
]}

GOZALBO, D ^{[1
]}

SEPULVEDA, P ^{[1
]}

CASANOVA, M ^{[1
]}

MARTINEZ, JP ^{[1
]}

机构：

[1] UNIV VALENCIA, FAC FARM, SECC DEPT MICROBIOL, E-46100 BURJASSOT, SPAIN

来源：

ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY | 1995年 / 68卷 / 03期

关键词：

CANDIDA ALBICANS; CELL WALL; CULTURE FILTRATES; MANNOPROTEINS; PROTEINS; SURFACE ANTIGENS;

D O I：

10.1007/BF00871815

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Culture filtrate concentrates were obtained from Candida albicans yeast and mycelial cells grown in the presence of C-14-protein hydrolysate for radioactive labeling of cellular polypeptides. Both growth forms released to the medium minor but significant amounts of proteinaceous materials. The analysis of culture filtrate concentrates by means of SDS-polyacrylamide gel electrophoresis and fluorography revealed a similar and complex electrophoretic pattern, though some qualitative and quantitative differences between samples obtained from yeast and mycelial cells were observed. Materials released, mostly composed of mannoproteins as shown by their affinity towards concanavalin A, presented (i) cross-reactivity (by Western immunoblotting and ELISA) against polyclonal antisera to genuine cell wall components (among them the 58-kilodalton fibrinogen-binding mannoprotein) and (ii) high affinity for polystyrene-latex microbeads. Results presented suggest a possible common identity for the molecules shed to the medium and the cell wall protein and mannoprotein constituents.

引用

页码：195 / 201

页数：7

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