Multilocus Sequence Analysis of Xanthomonads Causing Bacterial Spot of Tomato and Pepper Plants Reveals Strains Generated by Recombination among Species and Recent Global Spread of Xanthomonas gardneri

被引：66

作者：

Timilsina, Sujan ^{[1
,2
]}

Jibrin, Mustafa O. ^{[3
]}

Potnis, Neha ^{[1
]}

Minsavage, Gerald V. ^{[1
]}

Kebede, Misrak ^{[4
]}

Schwartz, Allison ^{[5
]}

Bart, Rebecca ^{[6
]}

Staskawicz, Brian ^{[5
]}

Boyer, Claudine ^{[7
]}

Vallad, Gary E. ^{[1
,2
]}

Pruvost, Olivier ^{[7
]}

Jones, Jeffrey B. ^{[1
]}

Goss, Erica M. ^{[1
,8
]}

机构：

[1] Univ Florida, Dept Plant Pathol, Gainesville, FL 32611 USA

[2] Univ Florida, Gulf Coast Res & Educ Ctr, Wimauma, FL USA

[3] Ahmadu Bello Univ, Dept Crop Protect, Zaria, Nigeria

[4] Haramaya Univ, Sch Plant Sci, Dept Plant Pathol, Dire Dawa, Ethiopia

[5] Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA

[6] Danforth Ctr, St Louis, MO USA

[7] Univ Reunion, CIRAD, UMR Peuplements Vegetaux & Bioagresseurs Milieu T, Pole Protect Plantes, St Pierre, La Reunion, France

[8] Univ Florida, Emerging Pathogens Inst, Gainesville, FL USA

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 2015年 / 81卷 / 04期

关键词：

BAYESIAN PHYLOGENETIC INFERENCE; FRAGMENT LENGTH POLYMORPHISM; CAMPESTRIS PV. VESICATORIA; HORIZONTAL GENE-TRANSFER; DIVERSITY; RELATEDNESS; LIKELIHOOD; ADVANTAGES; PATHOGENS; INSIGHTS;

D O I：

10.1128/AEM.03000-14

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Four Xanthomonas species are known to cause bacterial spot of tomato and pepper, but the global distribution and genetic diversity of these species are not well understood. A collection of bacterial spot-causing strains from the Americas, Africa, Southeast Asia, and New Zealand were characterized for genetic diversity and phylogenetic relationships using multilocus sequence analysis of six housekeeping genes. By examining strains from different continents, we found unexpected phylogeographic patterns, including the global distribution of a single multilocus haplotype of X. gardneri, possible regional differentiation in X. vesicatoria, and high species diversity on tomato in Africa. In addition, we found evidence of multiple recombination events between X. euvesicatoria and X. perforans. Our results indicate that there have been shifts in the species composition of bacterial spot pathogen populations due to the global spread of dominant genotypes and that recombination between species has generated genetic diversity in these populations.

引用

页码：1520 / 1529

页数：10

共 5 条

[1] MultiLocus Sequence Analysis- and Amplified Fragment Length Polymorphism-based characterization of xanthomonads associated with bacterial spot of tomato and pepper and their relatedness to Xanthomonas species
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[3] Multilocus sequence analysis reveals a novel phylogroup of Xanthomonas euvesicatoria pv. perforans causing bacterial spot of tomato in Iran
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[J]. PLANT PATHOLOGY, 2018, 67 (07) : 1601 - 1611
[4] Genomic sequence analysis reveals diversity of Australian Xanthomonas species associated with bacterial leaf spot of tomato, capsicum and chilli
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[J]. BMC GENOMICS, 2019, 20 (1)
[5] Genomic sequence analysis reveals diversity of Australian Xanthomonas species associated with bacterial leaf spot of tomato, capsicum and chilli
R. Roach
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T. Chapman
R. G. Shivas
B. Rodoni
[J]. BMC Genomics, 20

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