title: A1-3 chromosomal translocations in Italian populations of the peach potato aphid Myzus persicae (Sulzer) not linked to esterase-based insecticide resistance.
abstract: Esterase-based resistance in the peach-potato aphid, Myzus persicae (Sulzer), is generally due to one of two alternative amplified carboxylesterase genes, E4 or FE4 (fast E4). The E4 amplified form is distributed worldwide and it is correlated with a particular translocation between autosomes 1 and 3, whereas the FE4 form, which has hitherto not been found to be associated with chromosomal rearrangements, is typical of the Mediterranean regions. In this study, we present for the first time cytogenetic and molecular data on some M. persicae parthenogenetic lineages, which clearly show a chromosomal A1-3 translocation associated with esterase FE4 genes and unrelated to high levels of esterase-based resistance.
authors: Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, Reggio Emilia, Italy.
authors: Marco
authors: M
authors: Rivi
authors: Valentina
authors: V
authors: Monti
authors: Emanuele
authors: E
authors: Mazzoni
authors: Stefano
authors: S
authors: Cassanelli
authors: Michela
authors: M
authors: Panini
authors: Matteo
authors: M
authors: Anaclerio
authors: Manuela
authors: M
authors: Cigolini
authors: Bruna
authors: B
authors: Corradetti
authors: Davide
authors: D
authors: Bizzaro
authors: Mauro
authors: M
authors: Mandrioli
authors: Gian Carlo
authors: GC
authors: Manicardi
mesh_terms: D000818:Animals; D001042:Aphids / Q000201:enzymology* / Q000235:genetics; D001483:Base Sequence; D043182:Carboxylesterase / Q000235:genetics*; D018556:Crops, Agricultural / Q000469:parasitology*; D020732:Cytogenetic Analysis; D017931:DNA Primers / Q000235:genetics; D019476:Insect Proteins / Q000235:genetics*; D007305:Insecticide Resistance / Q000235:genetics*; D007558:Italy; D008969:Molecular Sequence Data; D010312:Parthenogenesis; D060888:Real-Time Polymerase Chain Reaction; D014178:Translocation, Genetic / Q000235:genetics*
chemical_list: D017931:DNA Primers; D019476:Insect Proteins; D043182:Carboxylesterase; C111206:FE4 protein, Myzus persicae