Abstract
A real-time PCR assay based on TaqMan® technology was developed and evaluated for the rapid detection of the B and Q biotypes of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). A survey was conducted during 2005-2007 in order to identify the distribution and prevalence of B. tabaci biotypes in Cyprus using the real-time PCR assay. More than 700 adult whiteflies collected from 35 cultivated and weed plant species were individually haplotyped using TaqMan® PCR, and the results of the assay were validated by restriction fragment length polymorphism analysis and DNA sequencing of the mitochondrial cytochrome oxidase I (mtCOI) gene. Two biotypes, B and Q, were identified in the collected plant species on the island. The real-time PCR and RFLP assay consistently yielded the same results, although the real-time assay was more sensitive and less time consuming. Phylogenetic analysis of the mtCOI DNA sequences corroborated the identity of the B and Q biotypes 100% of the time and by phylogenetic analysis the haplotypes grouped, as expected, in the major North African-Mediterranean-Middle Eastern clade of the B. tabaci complex.
Original language | English (US) |
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Pages (from-to) | 573-582 |
Number of pages | 10 |
Journal | Bulletin of Entomological Research |
Volume | 99 |
Issue number | 6 |
DOIs | |
State | Published - Dec 2009 |
Keywords
- Bemisia tabaci complex
- Haplotype
- Mitochondrial COI gene
- RFLP analysis
- Real-time PCR
ASJC Scopus subject areas
- Agronomy and Crop Science
- Insect Science