Involvement of Extracellular Matrix and Integrin-like Proteins on Conidial Adhesion and Appressorium Differentiation in Magnaporthe oryzae

Conidial adhesion and appressorium formation of Magnaporthe oryzae on the rice surface are important early events in the infection process. As an initiative step to understand the mechanisms underlying these cellular processes at a biochemical level, the effect of a human fibronectin antibody (HFA)...

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Veröffentlicht in:Journal of microbiology and biotechnology 2007-07, Vol.17 (7), p.1198-1203
Hauptverfasser: Bae, C.Y. (Seoul National University, Seoul, Republic of Korea), Kim, S.O. (Seoul National University, Seoul, Republic of Korea), E-mail: sokim@snu.ac.kr, Choi, W.B. (Dong-Eui University, Busan, Republic of Korea), Lee, Y.H. (Seoul National University, Seoul, Republic of Korea)
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creator Bae, C.Y. (Seoul National University, Seoul, Republic of Korea)
Kim, S.O. (Seoul National University, Seoul, Republic of Korea), E-mail: sokim@snu.ac.kr
Choi, W.B. (Dong-Eui University, Busan, Republic of Korea)
Lee, Y.H. (Seoul National University, Seoul, Republic of Korea)
description Conidial adhesion and appressorium formation of Magnaporthe oryzae on the rice surface are important early events in the infection process. As an initiative step to understand the mechanisms underlying these cellular processes at a biochemical level, the effect of a human fibronectin antibody (HFA) and RGD peptides on conidial adhesion and appressorium formation was evaluated. HFA inhibited conidial adhesion and appressorium formation in a dosage-dependent manner. RGD peptides also inhibited these cellular events. Conidial adhesion and appressorium formation inhibited by RGD peptides were restored by chemicals involved in the cyclic AMP-dependent signaling pathway.
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source MEDLINE; EZB-FREE-00999 freely available EZB journals
subjects Antibodies - pharmacology
appressorium formation
Biological and medical sciences
Biotechnology
Cell Adhesion
conidial adhesion
extracellular matrix
Extracellular Matrix - metabolism
fibronectin
Fibronectins - pharmacology
Fundamental and applied biological sciences. Psychology
Fungal Proteins - metabolism
Fungal Structures - physiology
integrin
Integrins - physiology
Magnaporthe - chemistry
Magnaporthe - cytology
Magnaporthe oryzae
Oligopeptides - pharmacology
PROTEINAS
PROTEINE
PROTEINS
Signal Transduction
signaling pathway
Spores, Fungal - physiology
Surface Properties
Time Factors
title Involvement of Extracellular Matrix and Integrin-like Proteins on Conidial Adhesion and Appressorium Differentiation in Magnaporthe oryzae
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