title: A series of TA-based and zero-background vectors for plant functional genomics.
abstract: With the sequencing of genomes from many organisms now complete and the development of high-throughput sequencing, life science research has entered the functional post-genome era. Therefore, deciphering the function of genes and how they interact is in greater demand. To study an unknown gene, the basic methods are either overexpression or gene knockout by creating transgenic plants, and gene construction is usually the first step. Although traditional cloning techniques using restriction enzymes or a site-specific recombination system (Gateway or Clontech cloning technology) are highly useful for efficiently transferring DNA fragments into destination plasmids, the process is time consuming and expensive. To facilitate the procedure of gene construction, we designed a TA-based cloning system in which only one step was needed to subclone a DNA fragment into vectors. Such a cloning system was developed from the pGreen binary vector, which has a minimal size and facilitates construction manipulation, combined with the negative selection marker gene ccdB, which has the advantages of eliminating the self-ligation background and directly enabling high-efficiency TA cloning technology. We previously developed a set of transient and stable transformation vectors for constitutive gene expression, gene silencing, protein tagging, subcellular localization analysis and promoter activity detection. Our results show that such a system is highly efficient and serves as a high-throughput platform for transient or stable transformation in plants for functional genome research.
authors.affiliation: Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunna, China.
authors.forename: Chuntao
authors.initials: C
authors.lastname: Wang
authors.forename: Xianlun
authors.initials: X
authors.lastname: Yin
authors.forename: Xiangxiang
authors.initials: X
authors.lastname: Kong
authors.forename: Wansha
authors.initials: W
authors.lastname: Li
authors.forename: Lan
authors.initials: L
authors.lastname: Ma
authors.forename: Xudong
authors.initials: X
authors.lastname: Sun
authors.forename: Yanlong
authors.initials: Y
authors.lastname: Guan
authors.forename: Christopher D
authors.initials: CD
authors.lastname: Todd
authors.forename: Yongping
authors.initials: Y
authors.lastname: Yang
authors.forename: Xiangyang
authors.initials: X
authors.lastname: Hu
mesh_terms: D017360:Arabidopsis / Q000166:cytology / Q000235:genetics*; D029681:Arabidopsis Proteins / Q000235:genetics / Q000378:metabolism; D001483:Base Sequence; D003001:Cloning, Molecular / Q000379:methods*; D020868:Gene Silencing; D005822:Genetic Vectors / Q000235:genetics*; D023281:Genomics / Q000379:methods*; D042541:Intracellular Space / Q000378:metabolism; D035683:MicroRNAs / Q000235:genetics; D011401:Promoter Regions, Genetic / Q000235:genetics; D021381:Protein Transport; D014170:Transformation, Genetic
chemical_list: D029681:Arabidopsis Proteins; D035683:MicroRNAs
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