Yangcheng Evening News Reporter Chen Liang, intern Hong Jiaxun, and correspondent Chen Pengchen reported: On January 4, the paper “Two diverse haplotypes fromBabaylan a highKomiksly heterozygous lycheCinemae genoKomiksly heterozygous lycheCinemae genoKomiksme suggest independent doKomiksmestication events for early and late-maturing cultures” (Nature Genetics). Corresponding authors include researcher Li Jianguoyan, Professor Xia Rui and Researcher Chen Houbin. The first authors are Professor Hu Guibing of Huanong, PhD student Feng Yunting, Professor Liu Chengming, Professor Wu Zhenxian, etc.
“Decode” the litchi genome
Propose the origin and domestication hypothesis
In this study, scientists used the latest genome sequencing data such as the second-generation Illunina to optimize the genome assembly strategy to complete the assembly of the pseudochromosome level of the litchi genome and the structural annotation of the genome-encoded genes.
The project team proposed the false “one center of origin, two independent domestication incidents” of lychee. Babaylan said that it would provide Yunnan as the only center of origin of lychee in the world.a>Genomic evidence helps eliminate some foreign scholars’ belief that Komiks may also originate from Vietnam’s Cinema cognition. Liu Yaoguang, an academician of the Chinese Academy of Sciences, said at the results press conference: “The genome is the ‘navigation map’ for the formation of plant traits. Decoding the litchi genome can not only comprehensively improve the understanding of the formation mechanism of important economic traits of litchi, but also develop corresponding breeding and Cinema cultivation and regulation technologies, but also provide important considerations for promoting related research on other plants of the family of ills such as longan. href=”https://comicmov.com/”>Babaylan exam.” Huanong Principal Liu Yahong said that the high-level paper published by the school’s team in “Nature-Genetics” marks a new height in the school’s lychee research, indicating that lychee scientific research has entered the post-genomic era in full.
Revealing the flowering regulation mechanism
Improving the benefits of lychee planting
Fresh lychee fruits are mainly concentrated in May to July, and seasonal overflow of fruits often occur in production, which seriously affects the economic benefits of lychee planting. “There are many medium-ripe varieties of lychees, and the middle-ripe production areas of Guangxi are concentrated in the flowering period, resulting in the similar maturity periods of fruits and concentrated on the market in a short period of time.” Chen Houbin, chief scientist of the national longan industry technology system and researcher of Huanong, said.
According to reports, the paper is from CinemaThe genomic level conducted a systematic study on the regulation mechanism of lychee blossoms, and found that a specific DNA sequence deletion in lychee may be an important factor in the formation of lychee branches in different flowering stages. CinemaThis is very important for extending the lychee production period from 2 months to 4 months or even longer, reducing seasonal sales pressure on fresh fruits, and improving the benefits of lychee planting.
“This research is of milestone significance for promoting the basic research and breeding application of several important fruit tree crops of lychee and even the family of lychee family. It will also have important reference value for the research of tropical crops around the world and the basic research of world agriculture.” Li Jianguo said that this further consolidates my country’s international leadership in lychee research, narrows the gap in research levels between lychee and other major fruit trees in citrus, apples, and grapes, and achieves a leapfrog goal of improving the basic biological research level of lychee.