[转移贴]每周一篇REVIEW， 2012.2.6-2.13

cao1976

原贴由donggua发表于 2012-2-2 17:48
http://biosky.haotui.com/thread-28109-1-4.html

How do plant viruses induce disease? Interactions and interference with host components
Vicente Pallas  and Juan Antonio García

Plant viruses are biotrophic pathogens that need living tissue for their multiplication and thus, in the infection–defence equilibrium, they do not normally cause plant death. In some instances virus infection may have no apparent pathological effect or may even provide a selective advantage to the host, but in many cases it causes the symptomatic phenotypes of disease. These pathological phenotypes are the result of interference and/or competition for a substantial amount of host resources, which can disrupt host physiology to cause disease. This interference/competition affects a number of genes, which seems to be greater the more severe the symptoms that they cause. Induced or repressed genes belong to a broad range of cellular processes, such as hormonal regulation, cell cycle control and endogenous transport of macromolecules, among others. In addition, recent evidence indicates the existence of interplay between plant development and antiviral defence processes, and that interference among the common points of their signalling pathways can trigger pathological manifestations. This review provides an update on the latest advances in understanding how viruses affect substantial cellular processes, and how plant antiviral defences contribute to pathological phenotypes.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

URL:

http://vir.sgmjournals.org/content/92/12/2691.full.pdf+html

cao1976

donggua 发表于 2012-2-20 22:07 ：在前言里面介绍了植物的几个抗病机制。
后面在几个方面介绍了病毒和寄住互作，

1 植物的抗病反应：a,植物自杀性反应,过敏性坏死反应。b,双链RNA介导的抗性和抑制。

2， 在病毒复制和致病过程中的植物因子，a, 荷尔蒙调控。 b， 细胞循环和基因表达。

3， 病毒移动过程中病毒和寄住因子。

4， 非翻译区致病因子和一些还不清楚的机制