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In the ABC model, MADs-box proteins play an important role in floral development. As one of the MADs-box proteins, PI behaves as B function organ-identity genes acting in the second and third whorls of the flower to control petal and stamen identity. To find genes involved in the floral transition of pineapple guava, we cloned the full length cDNA encoding a MADs-box protein in Coolidge pineapple...
Gametophytic self-incompatibility (GSI) is a genetically controlled mechanism to prevent inbreeding and promote out-crossing. Pyrus pyrifolia is a commercially important fruit tree that exhibits GSI. It is necessary to identify S-genotypes of cultivars for determination of cross-compatible combination prior to performing pear plantation and breeding programs. In this study, an important local cultivar...
Pear is a commercially important fruit tree widely distributed in China that displays GSI (gametophytic self-incompatibility). It is necessary to determine S-alleles and S-genotypes for clarifying the compatibility between cultivars prior to pear planting and breeding. The S-genotype analysis using conventional method of artificial pollination is time consuming and requires much labor. In addition,...
To elucidate the function of S-allele and the possible molecular mechanism of gametophytic self-incompatibility (GSI) in Chinese white pear (Pyrus bretschneideri Rehd.), full length cDNA encoding S20-RNase was cloned by rapid amplification of cDNA ends (RACE) approach from the cultivar 'Donghuang' (S8S20), and analyzed by bioinformatics method. S20-RNase displayed typical sequence features of pear...
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