Vol. 81 No: 6

Title:
Cross-compatibility of apple cultivars possessing S-RNase alleles of similar sequence

Authors:
S. MATSUMOTO, K. KITAHARAH, H. KOMATSU and K. ABE

pp: 934-936

Abstract:
We investigated the functional differences in three pairs of S-RNase alleles having similar sequences. It was confirmed using pollination tests that S₁₉ and S₂₈ behaved as different alleles, while S₁₇ and S₁₉ appeared to be the same allele. Our previous new allele designation of S_6b in place of S₁₇ and S₁₉, and not S₁₉ and S₂₈, from S-RNase sequence analyses was therefore confirmed. The deduced amino acid sequences of S₃ and S₁₀, although showing high similarity (94%), were functionally distinct.

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