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Commun Integr Biol. 2012 Nov 1;5(6):543-5. doi: 10.4161/cib.21692.

High efficient of females of B-type Bemisia tabaci as males in transmitting the whitefly-borne tomato yellow leaf curl virus to tomato plant with Q-PCR method confirmation.

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  • 1Department of Plant Protection; Institute of Vegetables and Flowers; Chinese Academy of Agricultural Sciences; Beijing, P.R. China.

Abstract

It has been previously reported that TYLCV can be transmitted from viruliferous males to non-viruliferous females and from viruliferous females to non-viruliferous males, but not between insects of the same sex; female whiteflies transmit TYLCV-Is with higher efficiency than males through symptoms recognition and viral DNA identification in tomato test plants (one insect per plant, with 48 h AAP and 48 h IAP). However, it remains unclear whether non-infected female and male could obtain same virus from TYLCV-infected tomato plants, and whether TYLCV-infected female and male could transmit same virus to non-viruliferous tomato plants. To address this issue, quantitative real-time PCR were applied to detect TYLCV content in adults or tomato plant. The acquisition and transmission experiments showed that both female and male can acquire and transmit the virus and no acquisition capability difference was observed between newly emerged female and male, however, female demonstrated superior transmission capability than male. Moreover, gene expressions profilings of GroEL and Hamiltonella in non-viruliferous and viruliferous female was all higher than that in male. These results further indicated that sex is an important factor affecting TYLCV transmission efficiency in B. tabaci.

KEYWORDS:

B-biotype Bemisia tabaci; TYLCV; female; male; quantitative real-time PCR

PMID:
23336021
[PubMed]
PMCID:
PMC3541318
Free PMC Article
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