Document Detail

Karyotype variations in Italian populations of the peach-potato aphid Myzus persicae (Hemiptera: Aphididae).
MedLine Citation:
PMID:  22647317     Owner:  NLM     Status:  Publisher    
In this study, we present cytogenetic data regarding 66 Myzus persicae strains collected in different regions of Italy. Together with the most common 2n=12 karyotype, the results showed different chromosomal rearrangements: 2n=12 with A1-3 reciprocal translocation, 2n=13 with A1-3 reciprocal translocation and A3 fission, 2n=13 with A3 fission, 2n=13 with A4 fission, 2n=14 with X and A3 fissions. A 2n=12-13 chromosomal mosaicism has also been observed. Chromosomal aberrations (and in particular all strains showing A1-3 reciprocal translocation) are especially frequent in strains collected on tobacco plants, and we suggest that a clastogenic effect of nicotine, further benefited by the holocentric nature of aphid chromosomes, could be at the basis of the observed phenomenon.
M Rivi; V Monti; E Mazzoni; S Cassanelli; M Panini; D Bizzaro; M Mandrioli; G C Manicardi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-30
Journal Detail:
Title:  Bulletin of entomological research     Volume:  -     ISSN:  1475-2670     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984715R     Medline TA:  Bull Entomol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-9     Citation Subset:  -    
Dipartimento di Scienze Agrarie e degli Alimenti, Università di Modena e Reggio Emilia, Reggio Emilia, Italy.
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