Genomic analysis of the brassica pathogen turnip mosaic potyvirus reveals its spread along the former trade routes of the Silk Road

被引:36
作者
Kawakubo, Shusuke [1 ]
Gao, Fangluan [2 ]
Li, Shifang [3 ,4 ]
Tan, Zhongyang [1 ,5 ]
Huang, Ying-Kun [6 ]
Adkar-Purushothama, Charith Raj [7 ]
Gurikar, Chennappa [8 ]
Maneechoat, Phoowanarth [9 ]
Chiemsombat, Pissawan [10 ]
San Aye, Seint [11 ]
Furuya, Naruto [12 ]
Shevchenko, Oleksiy [13 ]
Spak, Josef [14 ]
Skoric, Dijana [15 ]
Ho, Simon Y. W. [16 ]
Ohshima, Kazusato [1 ,17 ]
机构
[1] Saga Univ, Fac Agr, Dept Biol Sci, Lab Plant Virol, Saga 8408502, Japan
[2] Fujian Agr & Forestry Univ, Inst Plant Virol, Fuzhou 350002, Peoples R China
[3] Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
[4] Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Hainan, Peoples R China
[5] Hunan Univ, Coll Biol, Changsha 410082, Hunan, Peoples R China
[6] Yunnan Acad Agr Sci, Sugarcane Res Inst, Yunnan Key Lab Sugarcane Genet Improvement, Kaiyuan 661699, Peoples R China
[7] Univ Sherbrooke, Fac Med Sci Sante, Dept Biochim, RNA Grp Grp ARN, Pavillon Rech Appl Canc,J1E 23 4K8, Sherbrooke, PQ, Canada
[8] MS Ramaiah Univ, Fac Life & Allied Hlth Sci, Dept Food Proc & Technol, Bangalore 560054, Karnataka, India
[9] Minist Agr & Cooperat, Dept Agr, Bangkok 10900, Thailand
[10] Kasetsart Univ, Fac Agr Kamphaeng Saen, Dept Plant Pathol, Kamphaeng Saen 73140, Nakhon Pathom, Thailand
[11] Yezin Agr Univ Yezin, Dept Plant Pathol, Yezin 15013, Myanmar
[12] Kyushu Univ, Fac Agr, Lab Plant Pathol, Fukuoka 8190395, Japan
[13] Taras Shevchenko Natl Univ Kyiv, Educ & Sci Ctr Inst Biol & Med, Virol Dept, UA-01601 Kiev, Ukraine
[14] CAS, Inst Plant Mol Biol, Biol Ctr, Ceske Budejovice 37005, Czech Republic
[15] Univ Zagreb, Fac Sci, Dept Biol, Zagreb 10000, Croatia
[16] Univ Sydney, Sch Life & Environm Sci, Sydney, NSW 2006, Australia
[17] Kagoshima Univ, United Grad Sch Agr Sci, Kagoshima 8900065, Japan
关键词
turnip mosaic potyvirus; brassica vegetables; Eurasia; Silk Road; molecular evolution; GENETIC-STRUCTURE; MOLECULAR CHARACTERIZATION; VIRUS POPULATION; EMERGENT LINEAGE; EAST-ASIA; RECOMBINATION; SEQUENCES; PHYLOGENETICS; PERFORMANCE; EVOLUTION;
D O I
10.1073/pnas.2021221118
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Plant pathogens have agricultural impacts on a global scale and resolving the timing and route of their spread can aid crop protection and inform control strategies. However, the evolutionary and phylogeographic history of plant pathogens in Eurasia remains largely unknown because of the difficulties in sampling across such a large landmass. Here, we show that turnip mosaic potyvirus (TuMV), a significant pathogen of brassica crops, spread from west to east across Eurasia from about the 17th century CE. We used a Bayesian phylogenetic approach to analyze 579 whole genome sequences and up to 713 partial sequences of TuMV, including 122 previously unknown genome sequences from isolates that we collected over the past five decades. Our phylogeographic and molecular clock analyses showed that TuMV isolates of the Asian-Brassica/Raphanus (BR) and basal-BR groups and world-Brassica3 (B3) subgroup spread from the center of emergence to the rest of Eurasia in relation to the host plants grown in each country. The migration pathways of TuMV have retraced some of the major historical trade arteries in Eurasia, a network that formed the Silk Road, and the regional variation of the virus is partly characterized by different type patterns of recombinants. Our study presents a complex and detailed picture of the timescale and major transmission routes of an important plant pathogen.
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页数:10
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