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据悉,教育部长江学者创新团队负责人陈士林领导的课题组日前完成了紫芝基因组精细图,该精细图含有12条染色体,序列总长度达到48.86兆碱基,编码大约1.5万个基因。相关研究成果已发表在自然出版集团旗下期刊《科学报道》上。课题组研究表明,紫芝在生长发育中具有多种防御机制,包括基因组防御机制和化学防御机制,紫芝的化学防御功能可能受到多种基因调控机制影响。基因组防御对于维持物种遗传物质稳定性具有重要意义,而化学防御与其次生代谢
It is reported that the task force led by Chen Shilin, head of the innovative team of Cheung Kong Scholar, Ministry of Education, recently completed a fine map of the genomic DNA of the genus Rhizoma. The fine map contains 12 chromosomes with a total length of 48.86 MB and a gene encoding about 15,000. Relevant research results have been published in the journal Nature Science Group, a journal of Nature Publishing Group. The research group shows that Zizyphus jujuba plays a variety of defense mechanisms in the growth and development, including the genomic defense mechanism and chemical defense mechanism. The chemical defense function of Ziziphus simonii may be affected by a variety of gene regulatory mechanisms. Genome defense is of great importance to maintain the stability of species genetic material, while chemical defense and its secondary metabolism