Modeling the Competition Between Viruses in a Complex Plant-Pathogen System

被引：11

作者：

Amaku, Marcos ^{[1
]}

Burattini, Marcelo Nascimento ^{[2
,3
]}

Bezerra Coutinho, Francisco Antonio ^{[2
,3
]}

Massad, Eduardo ^{[2
,3
,4
]}

机构：

[1] Univ Sao Paulo, Sch Vet Med, Sao Paulo, Brazil

[2] Univ Sao Paulo, Sch Med, Sao Paulo, Brazil

[3] LIM 01 HCFMUSP, Sao Paulo, Brazil

[4] London Sch Hyg & Trop Med, London, England

来源：

PHYTOPATHOLOGY | 2010年 / 100卷 / 10期

基金：

巴西圣保罗研究基金会;

关键词：

virus competition; YELLOW DWARF VIRUS; APHID TRANSMISSION; ACCESS PERIODS; EVOLUTION; VIRULENCE;

D O I：

10.1094/PHYTO-10-09-0289

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

In this article, we propose a mathematical model that describes the competition between two plant virus strains (MAV and PAV) for both the host plant (oat) and their aphid vectors. We found that although PAV is transmitted by two aphids and MAV by only one, this fact, by itself, does not explain the complete replacement of MAV by PAV in New York State during the period from 1961 through 1976; an interpretation that is in agreement with the theories of A. G. Power. Also, although MAV wins the competition within aphids, we assumed that, in 1961, PAV mutated into a new variant such that this new variant was able to overcome MAV within the plants during a latent period. As shown below, this is sufficient to explain the swap of strains; that is, the dominant MAV was replaced by PAV, also in agreement with Power's expectations.

引用

页码：1042 / 1047

页数：6

共 16 条

[1] Modeling the Dynamics of Viral Evolution Considering Competition Within Individual Hosts and at Population Level: The Effects of Treatment [J].