Biomedical Engineering Reference
In-Depth Information
CONCLUSION
It can be said that genes that code specifi c cell wall degrading enzymes
and are secreted during
Fusarium oxysporum
colonizing the host xylem
system belongs to pathogenic/virulent group of genes. Such studies
require detailed information about the composition and characteristic
of plant cell wall, regulation of gene expression and enzyme activity of
CWDE, and the interaction between the plant cell wall and CWDE. These
genes are all conserved in strains causing vascular wilt of plants. A better
understanding of plant cell walls and their degradation by pathogens
and the genetic structure of pathogen populations may provide insights
into the epidemiology and evolutionary potential of
F.
oxysporum
.
Therefore, further studies on pathogenic genes involved in enhancement of
virulence factors by production of cell wall degrading enzyme could lead
to improved strategies for controlling this fungal pathogen and towards
development of wilt resistance strategy.
References
Armstrong, G.M. and J.K. Armstrong. Formae speciales and races of
Fusarium
oxysporum causing wilt diseases.
pp. 391-399. In: Nelson, P.E., T.A. Toussoun,
and R.J. Cook (eds.) 1981.
Fusarium:
Diseases, Biology and Taxonomy
,
The
Pennysylvania State University Press, University Park, USA.
Beckman, C.H. 1987. The nature of wilt diseases of plants. American
Phytopathological Society, St Paul. MN, USA.
Booth, C. 1984. The
Fusarium
problem: Historical, economic, and taxonomic
aspects
.
In:
The Applied Mycology of
Fusarium
, (M.O. Moss and J.E. Smith
eds.), Cambridge University Press, Cambridge. pp. 1-13.
Collmer, A. and N.T. Keen. 1986. The role of pectic enzymes in plant pathogenesis.
Ann. Rev. Phytopath
.
24:
383-409.
Crowhurst, R.S., S.J. Binnie, J.K. Bowen, B.T. Hawthorne, K.M. Plummer,
J.R. George, E.H.A. Rikkerink and M.D. Templeton. 1997. Effect of disruption
of a cutinase gene (cutA) on virulence and tissue specifi city of
Fusarium
spp. toward
Cucurbita maxima
and
C. mocchata
.
Mol. Plant.-Microbe. Interact
.
10:
355-68.
Di Pietro, A., F.I. García-Maceira, E. Méglecz, J.F. Gutierrez-Corona and M.I.G.
Roncero. 2001. A MAP kinase of the vascular wilt fungus
Fusarium
oxysporum
is essential for root penetration and pathogenesis.
Mol. Microbiol
.
39:
1140-
1152.
Di Pietro, A., F.I. Garcia-Maceira, M.D. Huertas-Gonzalez, M.C. Ruiz-Roldán, Z.
Caracuel, A.S. Barbieri and M.I.G. Roncero. 1998. Endopolygalacturonase PG1
in different formae speciales of
Fusarium
oxysporum
.
Appl. Env. Microbiol
.
64:
1967-1971.
