Genetic Transformation for Medicinal Plants:A Review
Medicinal plants,with diverse species,high heterozygosity,and special breeding objectives,can be hardly bred with conventional hybridization techniques.Plant genetic transformation is highly selective and can specifically change the traits of plants,serving as an important technical means for the breeding of medicinal plants.The commonly used plant genetic transformation technologies include Agrobacterium-mediated transformation and particle bombardment.Agrobacterium-mediated transformation is the most widely used method,while it is not applicable to all medicinal plants due to the high specificity.Although not specific,particle bombardment is limited in application due to the low conversion efficiency and external force damage to cells and tissue.With the rise and development of nanotechnology,the emerging nanomaterial-mediated transformation has solved the problems of the above two technologies.However,limited by its late development,the mechanism of nanomaterial-mediated introduction of genetic materials into plant cells remains unclear,and thus this technology is rarely used in medicinal plants.This article summarizes the development status of several commonly used or emerging plant genetic transformation technologies such as Agrobacterium-mediated transformation,particle bombardment,and nanomaterial-mediated transformation,as well as their application in different medicinal plants.Furthermore,this article looks forward to the development trend of genetic transformation technologies for plants and their application prospects in medicinal plants and Chinese materia medica resources,aiming to provide new technical ideas for the genetic improvement and germplasm innovation of medicinal plants and inject new impetus into the sustainable development of Chinese materia medica resources.
genetic transformation for plantsmedicinal plantsAgrobacteriumparticle bombardmentnanomaterialsgenome editin
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