Matton, D P Production of an S RNase with dual specificity suggests a novel hypothesis for the generation of new S alleles. [electronic resource] - The Plant cell Nov 1999 - 2087-97 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1040-4651 Standard No.: 10.1105/tpc.11.11.2087 doi Subjects--Topical Terms: AllelesAmino Acid SequenceCrosses, GeneticMolecular Sequence DataMutagenesis, Site-DirectedPhenotypePlants, Genetically ModifiedPollen--physiologyRecombinant Proteins--chemistryRibonucleases--chemistrySolanaceae--enzymology