嫁接植株砧穗间遗传信息交流及变异机制  

Genetic Information Exchange and Variation Mechanism of Grafted Plants

作　　者：张光海[1] 祁利潘 聂绪恒 郭华春[1] ZHANG Guanghai;QI Lipan;NIE Xuheng;GUO Huachun(Tuber and Root Crops Research Institute of Yunnan Agricultural University,Kunming 650201,China)

机构地区：[1]云南农业大学薯类作物研究所,云南昆明650201

出　　处：《云南农业大学学报（自然科学版）》2018年第5期947-957,共11页Journal of Yunnan Agricultural University:Natural Science

基　　金：国家马铃薯产业技术体系(CARS-09-P15);云岭学者人才培养项目(A30086652)

摘　　要：嫁接已被广泛应用于作物生产,通过嫁接可以保持良种特性,矮化植株,提高产量和品质等。砧木可以提高接穗的生长活力和对病害的抗性。嫁接引起植物遗传信息交流是一种客观存在的现象,砧穗间遗传物质水平转移、RNA长距离运输、表观遗传调控、砧穗与环境互作等已被广泛研究。本文综述了嫁接引起遗传信息交流及诱导变异的分子机理研究进展,为更好的应用嫁接提供方法指导,同时也为揭示植物细胞间的互作机制提供理论基础。Grafting has been widely used in crop production for keeping varieties features,dwarfing plants and improving the yield and quality.Rootstock can improve the vigor of scion and increase the ability of resistance to pathogens.Genetic material exchanged by plant grafting is an objective phenomenon in nature.Horizontal gene transfer(HGT)between scion and rootstock,RNA long-distance transportation,epigenetic regulation and rootstock-scion-environment interaction has been widely studied.We reviewed the research progress in genetic information exchange and molecular mechanism of induced variation by grafting.This paper will provide better guidance for the application of grafting but also provide a theoretical basis for revealing the mechanism of interaction between plant cells.

关 键 词：嫁接 遗传物质交流 信号传递 表观遗传调控 砧穗--环境互作 

分 类 号：S604.3[农业科学—园艺学]