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Updated: Jul 20, 2026

Determination of Self- and Inter-(in)compatibility Relationships in Apricot Combining Hand-Pollination, Microscopy and Genetic Analyses
Published on: June 16, 2020
Proteome comparison following self- and across-pollination in self-incompatible apricot (Prunus armeniaca L.)
Jianrong Feng1, Xuesen Chen, Zhaohe Yuan
1Horticultural Science and Engineering College, Shandong Agricultural University, Daizong Street 61, Taian, 271018, Shandong, China.
Abstract:
The study compared the protein differences between self- and across-pollinated self-incompatible (SI) apricots by two-dimensional gel electrophoresis and liquid chromatography-electrospray ion trap tandem mass spectrometry, the results showed that nine protein spots were expressed in self-pollinated pistil and only one was expressed in cross-pollinated pistils. Sixteen and three protein spots were up- and down-regulated in cross-pollinated pistils, respectively, compared with self-pollinated pistils. Seven protein spots were identified unambiguously by SEQUEST in NCBI protein database: Actin-12, enolase, MYB transcription-factor-like protein, heat-shock protein 70 were upregulated in cross-pollinated pistils compared with self-pollinated pistils; and actin-7, actin-8 and fructose bisphosphate aldolase-like protein were detected only in self-pollinated pistils.
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