Journal Article

A Pollen-Expressed Gene for a Novel Protein with an F-box Motif that is Very Tightly Linked to a Gene for S-RNase in Two Species of Cherry, <i>Prunus cerasus</i> and <i>P. avium</i>

Hisayo Yamane, Kazuo Ikeda, Koichiro Ushijima, Hidenori Sassa and Ryutaro Tao

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 44, issue 7, pages 764-769
Published in print July 2003 | ISSN: 0032-0781
Published online July 2003 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcg088
A Pollen-Expressed Gene for a Novel Protein with an F-box Motif that is Very Tightly Linked to a Gene for S-RNase in Two Species of Cherry, Prunus cerasus and P. avium

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This study describes a novel F-box protein gene in the S-locus of sour cherry (Prunus cerasus) and sweet cherry (P. avium). The gene showed an S-haplotype-specific sequence polymorphism and the expression was specific to pollen. Genomic DNA blot analysis of eight sweet cherry cultivars with the probe for the F-box protein gene under low stringency conditions yielded RFLP bands specific to the S-haplotypes of each cultivar. We discuss the possibility of the gene for the F-box protein being a candidate for the male determinant of gametophytic self-incompatibility in Prunus.

Keywords: Keywords: F-box motif — Gametophytic self-incompatibility — Pollen determinant — Prunus avium — Prunus cerasus — S-RNase.; Abbreviations: GSI, gametophytic self-incompatibility; ORF, open reading frame; SC, self-compatible; SI, self-incompatible; 5′UTR, 5′-untranslational region.

Journal Article.  3746 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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