Identification and characterization of stylar glycoproteins associated with self-incompatibility genes of Japanese pear, Pyrus serotina Rehd

1993 ◽  
Vol 241-241 (1-2) ◽  
pp. 17-25 ◽  
Author(s):  
Hidenori Sassa ◽  
Hisashi Hirano ◽  
Hiroshi Ikehashi
2008 ◽  
Vol 127 (6) ◽  
pp. 632-638 ◽  
Author(s):  
O. Kodad ◽  
A. Sánchez ◽  
N. Saibo ◽  
M. Oliveira ◽  
R. Sociasi Company

Gene ◽  
1998 ◽  
Vol 211 (1) ◽  
pp. 159-167 ◽  
Author(s):  
Koichiro Ushijima ◽  
Hidenori Sassa ◽  
Hisashi Hirano

Genetics ◽  
2001 ◽  
Vol 158 (1) ◽  
pp. 387-399 ◽  
Author(s):  
Mikkel H Schierup ◽  
Barbara K Mable ◽  
Philip Awadalla ◽  
Deborah Charlesworth

Abstract We study the segregation of variants of a putative self-incompatibility gene in Arabidopsis lyrata. This gene encodes a sequence that is homologous to the protein encoded by the SRK gene involved in self-incompatibility in Brassica species. We show by diallel pollinations of plants in several full-sib families that seven different sequences of the gene in A. lyrata are linked to different S-alleles, and segregation analysis in further sibships shows that four other sequences behave as allelic to these. The family data on incompatibility provide evidence for dominance classes among the S-alleles, as expected for a sporophytic SI system. We observe no division into pollen-dominant and pollen-recessive classes of alleles as has been found in Brassica, but our alleles fall into at least three dominance classes in both pollen and stigma expression. The diversity among sequences of the A. lyrata putative S-alleles is greater than among the published Brassica SRK sequences, and, unlike Brassica, the alleles do not cluster into groups with similar dominance.


2014 ◽  
Vol 4 (6) ◽  
pp. 983-992 ◽  
Author(s):  
Jean-Baptiste Leducq ◽  
Célia C Gosset ◽  
Rita Gries ◽  
Kevin Calin ◽  
Éric Schmitt ◽  
...  

2006 ◽  
Vol 12 (2) ◽  
Author(s):  
J. Halász ◽  
A. Hegedűs

Self-incompatibility system and allele pool of three different pear species, European pear (Pyrus communis), Japanese pear (P. serotina) and Chinese pear (P ussuriensis) are displayed. Several inconsistencies and the absence of the harmonization of three different allele series are revealed in the European pears. By collecting data from several reports eight incompatibility groups of Japanese pear cultivars could be established. A self-compatible genotype is analysed in details and shown to be a stylar-part mutant. As Japanese pear was the first fruit tree species from which S-ribonucleases were identified, the history of S-genotyping from the beginning to the latest achievements and technical developments can be also monitored from the experiments enumerated. In Chinese pears, seven S-alleles and one incompatibility group could be identified.


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