Patent ID: 7531716

Claim:
A method for providing resistance to infection by a tomato yellow leaf curl virus-Israel (TYLCV-Is) in a plant or plant tissue, said method comprising incorporating in or transforming said plant or plant tissue with a polynucleotide selected from the group consisting of: i) a polynucleotide comprising a fragment of a TYLCV Rep gene, wherein said polynucleotide comprising a fragment of said TYLCV Rep gene comprises the nucleotide sequence shown in SEQ ID NO. 4; and ii) a polynucleotide comprising a sequence that is antisense to said fragment of said TYLCV Rep gene, wherein said polynucleotide comprising a sequence that is antisense to said fragment of said TYLCV Rep gene comprises the nucleotide sequence shown in SEQ ID NO. 5, wherein resistance to TYLCV-Is infection exhibited by said plant or plant tissue comprising said polynucleotide is due to expression of said polynucleotide.