ASSESSMENT OF VIRUS RESISTANCE IN TRANSGENIC NICOTIANA TABACUM CV. SAMSUN LINES AGAINST THREE IRANIAN ISOLATES OF POTATO VIRUS Y

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POURRAHIM R.; AHOUNMANESH A.; HASHEMI H.; ZEYNALI S.; FARZADFAR S.

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Journal: Applied Entomology and Phytopathology Year:2004 | Volume:71 | Issue:2 Page(s): 1-28

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Title

ASSESSMENT OF VIRUS RESISTANCE IN TRANSGENIC NICOTIANA TABACUM CV. SAMSUN LINES AGAINST THREE IRANIAN ISOLATES OF POTATO VIRUS Y

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Keywords

POTATO VIRUS YQ4

COAT PROTEINQ4

CLONINGQ4

TRANSFORMATIONQ4

AGROINOCULATIONQ4

TRANSGENIC PLANT RESISTANCEQ4

IRANIAN PVY STRAINSQ4

ENGINEERED RESISTANCEQ4

Abstract

Tobacco plants (Nicotiana tabacum cv. Samsun) were transfonned by COAT PROTEIN gene of POTATO VIRUS Y necrotic strain (PVyN-CP) using pBINI9 binary vector and AGROINOCULATION method. The primers designed so that the inserted PVY-CP transgene had not any start codon and so, it was unable to be translated into COAT PROTEIN Jroduct.. Resistance of 31 transgenic Nicotiana tabacum cv. Samsun lines containing PVYN COAT PROTEIN transgene (PVyN_CP), were evaluated against the mechanical challenge inoculation of 3 prevalent IRANIAN PVY STRAINS. On the basis of biological and serological properties, 3 Iranian PVY isolates include PVYn-H, PVYn-Mz (necrotic strain of PVY) and PVYo-Ar (an Ordinary strain). Symptom evaluation and ELISA tests showed that after challenge inoculation of 31 transgenic lines with PVYn-H, PVYn-Mz and PVYo-Ar isolates, 5,4 and 0 lines showed resistant phenotype, 9, 10 and 2 lines showed moderate symptoms of the disease and 17, 17 and 29 lines showed susceptible phenotype, respectively. Using TAS-ELISA and Westemblot analysis, the protein product of PVYN -CP transgene could not be detected in any of 31 transgenic lines. It seems that an RNA mediated resistance is responsible for resistance in the PVY-CP transgenic tobacco plants. In Nicotiana species, natural resistance sources to PVY infection are poor and development of ENGINEERED RESISTANCE sources against PVY infections would be usefu

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APA: Copy

POURRAHIM, R., AHOUNMANESH, A., HASHEMI, H., ZEYNALI, S., & FARZADFAR, S.. (2004). ASSESSMENT OF VIRUS RESISTANCE IN TRANSGENIC NICOTIANA TABACUM CV. SAMSUN LINES AGAINST THREE IRANIAN ISOLATES OF POTATO VIRUS Y. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 71(2), 1-28. SID. https://sid.ir/paper/13025/en

Vancouver: Copy

POURRAHIM R., AHOUNMANESH A., HASHEMI H., ZEYNALI S., FARZADFAR S.. ASSESSMENT OF VIRUS RESISTANCE IN TRANSGENIC NICOTIANA TABACUM CV. SAMSUN LINES AGAINST THREE IRANIAN ISOLATES OF POTATO VIRUS Y. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2004;71(2):1-28. Available from: https://sid.ir/paper/13025/en

IEEE: Copy

R. POURRAHIM, A. AHOUNMANESH, H. HASHEMI, S. ZEYNALI, and S. FARZADFAR, “ASSESSMENT OF VIRUS RESISTANCE IN TRANSGENIC NICOTIANA TABACUM CV. SAMSUN LINES AGAINST THREE IRANIAN ISOLATES OF POTATO VIRUS Y,” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 71, no. 2, pp. 1–28, 2004, [Online]. Available: https://sid.ir/paper/13025/en

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