Cell Wall Chitosan Is Necessary for Virulence in the Opportunistic Pathogen Cryptococcus neoformans

被引:88
作者
Baker, Lorina G. [1 ]
Specht, Charles A. [2 ]
Lodge, Jennifer K. [1 ]
机构
[1] Washington Univ, Sch Med, Dept Mol Microbiol, St Louis, MO 63110 USA
[2] Univ Massachusetts, Dept Med, Worcester, MA 01605 USA
关键词
FLUCONAZOLE; CHITIN; INTEGRITY;
D O I
10.1128/EC.05138-11
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Cryptococcus neoformans is an opportunistic fungal pathogen that causes meningoencephalitis. Its cell wall is composed of glucans, proteins, chitin, and chitosan. Multiple genetic approaches have defined a chitosan-deficient syndrome that includes slow growth and decreased cell integrity. Here we demonstrate chitosan is necessary for virulence and persistence in the mammalian host.
引用
收藏
页码:1264 / 1268
页数:5
相关论文
共 26 条
[1]   Fungal cell wall chitinases and glucanases [J].
Adams, DJ .
MICROBIOLOGY-SGM, 2004, 150 :2029-2035
[2]   Cell organisation, sulphur metabolism and ion transport-related genes are differentially expressed in Paracoccidioides brasiliensis mycelium and yeast cells [J].
Andrade, Rosangela V. ;
Paes, Hugo C. ;
Nicola, Andre M. ;
de Carvalho, Maria Jose A. ;
Fachin, Ana Lucia ;
Cardoso, Renato S. ;
Silva, Simoneide S. ;
Fernandes, Larissa ;
Silva, Silvana P. ;
Donadi, Eduardo A. ;
Sakamoto-Hojo, Elza T. ;
Passos, Geraldo A. S. ;
Soares, Celia M. A. ;
Brigido, Marcelo M. ;
Felipe, Maria Sueli S. .
BMC GENOMICS, 2006, 7 (1)
[3]   MOLECULAR-WEIGHT DISTRIBUTION OF CHITOSAN ISOLATED FROM MUCOR-ROUXII UNDER DIFFERENT CULTURE AND PROCESSING CONDITIONS [J].
ARCIDIACONO, S ;
KAPLAN, DL .
BIOTECHNOLOGY AND BIOENGINEERING, 1992, 39 (03) :281-286
[4]   Chitosan, the deacetylated form of chitin, is necessary for cell wall integrity in Cryptococcus neoformans [J].
Baker, Lorina G. ;
Specht, Charles A. ;
Donlin, Maureen J. ;
Lodge, Jennifer K. .
EUKARYOTIC CELL, 2007, 6 (05) :855-867
[5]   A chitin synthase and its regulator protein are critical for chitosan production and growth of the fungal pathogen Cryptococcus neoformans [J].
Banks, IR ;
Specht, CA ;
Donlin, MJ ;
Gerik, KJ ;
Levitz, SM ;
Lodge, JK .
EUKARYOTIC CELL, 2005, 4 (11) :1902-1912
[6]   CELL WALL CHEMISTRY MORPHOGENESIS AND TAXONOMY OF FUNGI [J].
BARTNICK.S .
ANNUAL REVIEW OF MICROBIOLOGY, 1968, 22 :87-+
[7]   COMPLEMENTATION OF A CAPSULE-DEFICIENT MUTATION OF CRYPTOCOCCUS-NEOFORMANS RESTORES ITS VIRULENCE [J].
CHANG, YC ;
KWONCHUNG, KJ .
MOLECULAR AND CELLULAR BIOLOGY, 1994, 14 (07) :4912-4919
[8]   Urease as a virulence factor in experimental cryptococcosis [J].
Cox, GM ;
Mukherjee, J ;
Cole, GT ;
Casadevall, A ;
Perfect, JR .
INFECTION AND IMMUNITY, 2000, 68 (02) :443-448
[9]   PKC1 Is Essential for Protection against both Oxidative and Nitrosative Stresses, Cell Integrity, and Normal Manifestation of Virulence Factors in the Pathogenic Fungus Cryptococcus neoformans [J].
Gerik, Kimberly J. ;
Bhimireddy, Sujit R. ;
Ryerse, Jan S. ;
Specht, Charles A. ;
Lodge, Jennifer K. .
EUKARYOTIC CELL, 2008, 7 (10) :1685-1698
[10]  
Heitman J., 2011, CRYPTOCOCCUS HUMAN P, P620