Temporal changes in the population structure of Dothistroma septosporum at the site of the first recorded outbreak in Poland

Piotr Boroń , Anna Lenart-Boroń , M. Mullett , Wojciech Kraj , Bartłomiej Grad , Tadeusz Kowalski

Abstract

In this study, evolution of the genetic structure of the oldest known population of Dothistroma septosporum in Poland was analysed. Dothistroma needle blight was first recorded in Poland in 1990 in a 5‐year‐old plantation, meaning the population is relatively young in terms of evolution and genetic development. The preservation of DNA extracts from other studies allowed examination of the genetic variation of the pathogen over the span of a decade with the use of highly sensitive microsatellite markers. A number of evolutionary factors were identified that have shaped the genetic structure of this population over time. First, indications of the founder effect and the impact of selection were observed. Secondly, structure analysis provided evidence of the introduction of a new genetic component to the population structure after the pathogen had established. Finally, the impact of the reproductive mode on various components of the Domiarki population was examined, revealing the presence of genetic groups and structure clusters with varying levels of sexual recombination. These results demonstrate how well established and genetically robust a new population of a pathogen may become in just a few decades, given favourable conditions, and how new introductions may facilitate this process.
Author Piotr Boroń (FoF / FEPI / DoFFMaPoT)
Piotr Boroń,,
- DEPARTMENT OF FOREST FITOPATOLOGY, MYKOLOGY AND PHYSIOLOGY OF TREES
, Anna Lenart-Boroń (FoAaE / DoM)
Anna Lenart-Boroń,,
- Department of Microbiology
, M. Mullett
M. Mullett,,
-
, Wojciech Kraj (FoF / FEPI / DoFFMaPoT)
Wojciech Kraj,,
- DEPARTMENT OF FOREST FITOPATOLOGY, MYKOLOGY AND PHYSIOLOGY OF TREES
, Bartłomiej Grad (FoF / FEPI / DoFFMaPoT)
Bartłomiej Grad,,
- DEPARTMENT OF FOREST FITOPATOLOGY, MYKOLOGY AND PHYSIOLOGY OF TREES
, Tadeusz Kowalski (FoF / FEPI / DoFFMaPoT)
Tadeusz Kowalski,,
- DEPARTMENT OF FOREST FITOPATOLOGY, MYKOLOGY AND PHYSIOLOGY OF TREES
Journal seriesPlant Pathology, ISSN 0032-0862, e-ISSN 1365-3059, (N/A 140 pkt)
Issue year2019
Vol68
No2
Pages 383-391
Publication size in sheets0.5
Keywords in Englishdothistroma needle blight,Dothistroma septosporum, population structure, STRUCTURE analysis
ASJC Classification1102 Agronomy and Crop Science; 1108 Horticulture; 1110 Plant Science; 1311 Genetics
DOIDOI:10.1111/ppa.12947
URL https://onlinelibrary.wiley.com/doi/epdf/10.1111/ppa.12947
Languageen angielski
Score (nominal)140
Score sourcejournalList
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.416; WoS Impact Factor: 2018 = 2.493 (2) - 2018=2.563 (5)
Citation count*
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FinansowanieThis study is a contribution to the DIAROD project, which was funded as an EU COST Action (FP1102). It was also partially financed by the Polish Ministry of Science and Higher Education by the statutory research mechanism.
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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