BE SMART TO SURVIVE: VIRUS-HOST RELATIONSHIPS IN NATURE

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June – July, 2021, vol. 10, no. 6
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Article type: Microbiology of Microbiology
Abstract: In order to survive in nature, different pathogens follow different procedures to manipulate their host plants for the pathogen favor. Plant viruses are not an exception of this rule. They are often found to alter the host plant traits in the way that affects the community of organisms in the host plant as well as the vectoring insects. It has been indicated that virus-infected plants are more preferable than virus-free plants with respect to the growth rates, longevity and reproduction of the vector. Viruses use several strategies in order to reprogram their host’s cell to make it more conducive to replication and spread. Consequently, phytohormone signaling pathway in virus-infected plants can be disrupted either directly or indirectly. In plants, there are hormone pathways contribute to all aspects of plant physiology. Sometimes, virus infection can be advantageous to the infected host by providing the plant with tolerance to biotic and abiotic stresses. This article summarizes some aspects where the virus found to reprogram the host’s cell to make it more conducive to virus’ cycle of life. It also provides an important basic knowledge about how biotic and abiotic stress affects the interaction among virus, vector and the host plant; this knowledge could open the gate to understand the effect of multi-stress effect on the host plant in future studies through recognizing the necessity for plants to have an integrated system of defense against different threats.
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