title: Characterization of Phytophthora infestans populations in northwestern Algeria during 2008-2014.
abstract: A total of 161 Phytophthora infestans isolates, collected from infected potato and tomato plants during 2008-2014, were characterized based on mating type, metalaxyl sensitivity and polymorphism at 12 simple sequence repeat (SSR) loci, in order to investigate the population of P. infestans in the north-west of Algeria, an emerging potato production region. The majority of isolates were of A2 mating type (112 isolates). A high percentage (89 %) of resistance to metalaxyl among isolates was detected. The metalaxyl resistant phenotype was present in both mating types with a higher percentage in A2 mating type isolates. SSR-based genotypic analysis of P. infestans population showed a low diversity. Genotype 13_A2 was the predominant in the population with a frequency of 67 % followed by 2_A1 (21 %) and 23_A1 (5 %). Genotype 23_A1 was detected only in tomato and potato isolates collected in 2013 and 2014.
authors.affiliation: Département d'Agronomie, Faculté des Sciences de la Nature et de la Vie, Université Abdelhamid Ibn Badis, Site 3-EX ITA, 27000, Mostaganem, Algeria. Electronic address: fatifz2001@yahoo.fr.
authors.forename: Fatma Zohra
authors.initials: FZ
authors.lastname: Rekad
authors.affiliation: The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom.
authors.forename: David Edward Llewelyn
authors.initials: DEL
authors.lastname: Cooke
authors.affiliation: Dipartimento di Agricoltura Alimentazione e Ambiente, Università degli Studi di Catania, Via Santa Sofia, 100, 95123, Catania, Italy.
authors.forename: Ivana
authors.initials: I
authors.lastname: Puglisi
authors.affiliation: The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom.
authors.forename: Eva
authors.initials: E
authors.lastname: Randall
authors.affiliation: Département d'Agronomie, Faculté des Sciences de la Nature et de la Vie, Université Abdelhamid Ibn Badis, Site 3-EX ITA, 27000, Mostaganem, Algeria.
authors.forename: Yamina
authors.initials: Y
authors.lastname: Guenaoui
authors.affiliation: Ecole Nationale Supérieure Agronomique (ENSA), 16200, El Harrach, Alger, Algeria.
authors.forename: Zouaoui
authors.initials: Z
authors.lastname: Bouznad
authors.affiliation: Dipartimento di Agricoltura Alimentazione e Ambiente, Università degli Studi di Catania, Via Santa Sofia, 100, 95123, Catania, Italy.
authors.forename: Maria
authors.initials: M
authors.lastname: Evoli
authors.affiliation: The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom.
authors.forename: Antonella
authors.initials: A
authors.lastname: Pane
authors.affiliation: Dipartimento di Agraria, Università Mediterranea di Reggio Calabria, Feo di Vito, 89122, Reggio Calabria, Italy.
authors.forename: Leonardo
authors.initials: L
authors.lastname: Schena
authors.affiliation: Dipartimento di Agraria, Università Mediterranea di Reggio Calabria, Feo di Vito, 89122, Reggio Calabria, Italy.
authors.forename: Gaetano
authors.initials: G
authors.lastname: Magnano di San Lio
authors.affiliation: Dipartimento di Agricoltura Alimentazione e Ambiente, Università degli Studi di Catania, Via Santa Sofia, 100, 95123, Catania, Italy. Electronic address: olgacacciola@unict.it.
authors.forename: Santa Olga
authors.initials: SO
authors.lastname: Cacciola
mesh_terms: D000409:Alanine / Q000031:analogs & derivatives / Q000378:metabolism; D000462:Algeria; D025141:Drug Resistance, Fungal; D005659:Fungicides, Industrial / Q000378:metabolism; D049770:Genes, Mating Type, Fungal; D018551:Solanum lycopersicum / Q000382:microbiology; D055750:Phytophthora infestans / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification* / Q000502:physiology; D011110:Polymorphism, Genetic; D011198:Solanum tuberosum / Q000382:microbiology
chemical_list: D005659:Fungicides, Industrial; C028175:metalaxyl; D000409:Alanine
keywords: Late blight; Mating type; Metalaxyl; Potato; SSR markers; Tomato