作者: Seiji Ouchi
DOI: 10.1007/978-1-4612-3084-7_2
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摘要: During evolution, along with their adaptation to the environment, plants acquired versatile defense mechanisms against pathogens. Physical barriers such as cuticular layer fortified wax, cutin or suberin, lignified cell walls, and modified pectins play a significant role in containment of pathogens at sites attempted penetration, chemical preformed compounds post-recognitionally synthesized phytoalexins fungistatic fungicidal roles reactions host non-host plants. The boundaries these arbitrarily classified are, however, ambiguous, but can be discussed within unitary concept molecular biology. In fact, considerable information is available on pathogenicity defenses which viewed terms interactions between pathogen genes.