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On the 15th, the internationally renowned academic journal Nature Communication published the research results of the research team of Professor Chen Xuesen of Shandong Agricultural University and Fei Zhangjun of Cornell University in the United States under the title "Genome Resequencing Reveals the Evolutionary History of Apple Origin and The Two-Step Domestication Model of Fruit Size", which proves that the cultivation of apples in the world originated in Xinjiang, China.
apple is one of the largest fruit trees cultivated in tempered regions of the world, and its origin and evolution are closely related to the progress of human civilization. using high-volume sequencing and bioinscer information technology,
's two research teams re-sequenced the entire genome of 24 species and 117 species of apple genus worldwide, including Asia, Europe and the Americas, and detected a total of 7.2 million high-quality minimum gene units (SNPs), providing valuable base data for apple resource research and molecular breeding.
" study found that the Seves apple in Xinjiang, China, maintained a high degree of congenerity, the most primitive, while the same central Asian region of Kazakhstan in the Seves apple gene hybridity is relatively high.
fully shows that the world's cultivation of apples originated in Xinjiang, China.
," Chen Xuesen told reporters.
In recent years, Chen Xuesen led the research team around the protection, exploration, innovation and utilization of wild apple resources in Xinjiang, and constructed a hybrid and second generation separation group of red meat apples and apple varieties in Xinjiang, and clarified the genetic diversity characteristics and characteristics of wild apples in Xinjiang. Characteristics, the transcription control network of apple flavonoid biosynthesis is proposed, and high-quality and efficient breeding technology systems such as "fruit tree multi-source quality breeding method", "easy coloring apple variety breeding method" and "three-choice two-early apple breeding method" are created.
.