Genetic Analyses Suggest Separate Introductions of the Pine
Pathogen Lecanosticta acicola Into Europe

J 2016

Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe

JANOUŠEK, Josef, Michael J. WINGFIELD, José G. MARMOLEJO MONSIVAIS, Libor JANKOVSKÝ, Christian STAUFFER et. al.

Basic information

Original name

Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe

Authors

JANOUŠEK, Josef (203 Czech Republic), Michael J. WINGFIELD (710 South Africa), José G. MARMOLEJO MONSIVAIS (484 Mexico), Libor JANKOVSKÝ (203 Czech Republic), Christian STAUFFER (40 Austria), Adam KONEČNÝ (203 Czech Republic, guarantor, belonging to the institution) and Irene BARNES (710 South Africa)

Edition

Phytopathology, 2016, 0031-949X

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 2.896

RIV identification code

RIV/00216224:14310/16:00089294

Organization unit

Faculty of Science

DOI

http://dx.doi.org/10.1094/PHYTO-10-15-0271-R

UT WoS

000385900600021

Keywords in English

Approximate Bayesian Computation; fungus; haploid; reproductive mode; Mycosphaerella dearnessii; population genetics

Abstract

V originále

Lecanosticta acicola is a heterothallic ascomycete that causes brown spot needle blight on native and non-native Pinus spp. in many regions of the world. In this study we investigated the origin of European L. acicola populations and estimated the level of random mating of the pathogen in affected areas. Part of the Elongation Factor 1-alpha gene was sequenced, eleven microsatellite regions were screened, and the mating type idiomorphs were determined for 201 isolates of L. acicola collected from three continents and 17 host species. The isolates from Mexico and Guatemala were unique, highly diverse and could represent cryptic species of Lecanosticta. The isolates from East Asia formed a uniform and discrete group. Two distinct populations were identified in both North America and Europe. Approximate Bayesian Computation analyses strongly suggest independent introductions of two populations from North America into Europe. Microsatellite data and mating type distributions indicated random recombination in the populations of North America and in Europe. Its inter-continental introduction can most likely be explained as a consequence of the movement of infected plant material. In contrast, the spread of L. acicola within Europe appears to be primarily due to conidial dispersion and probably also ascospore dissemination.

Citovat

JANOUŠEK, Josef, Michael J. WINGFIELD, José G. MARMOLEJO MONSIVAIS, Libor JANKOVSKÝ, Christian STAUFFER, Adam KONEČNÝ and Irene BARNES. Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe. Phytopathology. 2016, vol. 106, No 11, p. 1413-1425. ISSN 0031-949X. Available from: https://dx.doi.org/10.1094/PHYTO-10-15-0271-R.

@article{1332382,
   author = {Janoušek, Josef and Wingfield, Michael J. and Marmolejo Monsivais, José G. and Jankovský, Libor and Stauffer, Christian and Konečný, Adam and Barnes, Irene},
   article_number = {11},
   doi = {http://dx.doi.org/10.1094/PHYTO-10-15-0271-R},
   keywords = {Approximate Bayesian Computation; fungus; haploid; reproductive mode; Mycosphaerella dearnessii; population genetics},
   language = {eng},
   issn = {0031-949X},
   journal = {Phytopathology},
   title = {Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe},
   volume = {106},
   year = {2016}
}

TY  - JOUR
ID  - 1332382
AU  - Janoušek, Josef - Wingfield, Michael J. - Marmolejo Monsivais, José G. - Jankovský, Libor - Stauffer, Christian - Konečný, Adam - Barnes, Irene
PY  - 2016
TI  - Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe
JF  - Phytopathology
VL  - 106
IS  - 11
SP  - 1413-1425
EP  - 1413-1425
SN  - 0031949X
KW  - Approximate Bayesian Computation
KW  - fungus
KW  - haploid
KW  - reproductive mode
KW  - Mycosphaerella dearnessii
KW  - population genetics
N2  - Lecanosticta acicola is a heterothallic ascomycete that causes brown spot needle blight on native and non-native Pinus spp. in many regions of the world. In this study we investigated the origin of European L. acicola populations and estimated the level of random mating of the pathogen in affected areas. Part of the Elongation Factor 1-alpha gene was sequenced, eleven microsatellite regions were screened, and the mating type idiomorphs were determined for 201 isolates of L. acicola collected from three continents and 17 host species. The isolates from Mexico and Guatemala were unique, highly diverse and could represent cryptic species of Lecanosticta. The isolates from East Asia formed a uniform and discrete group. Two distinct populations were identified in both North America and Europe. Approximate Bayesian Computation analyses strongly suggest independent introductions of two populations from North America into Europe. Microsatellite data and mating type distributions indicated random recombination in the populations of North America and in Europe. Its inter-continental introduction can most likely be explained as a consequence of the movement of infected plant material. In contrast, the spread of L. acicola within Europe appears to be primarily due to conidial dispersion and probably also ascospore dissemination.
ER  -

JANOUŠEK, Josef, Michael J. WINGFIELD, José G. MARMOLEJO MONSIVAIS, Libor JANKOVSKÝ, Christian STAUFFER, Adam KONEČNÝ and Irene BARNES. Genetic Analyses Suggest Separate Introductions of the Pine Pathogen Lecanosticta acicola Into Europe. \textit{Phytopathology}. 2016, vol.~106, No~11, p.~1413-1425. ISSN~0031-949X. Available from: https://dx.doi.org/10.1094/PHYTO-10-15-0271-R.

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