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Optimization of an Efficient Protoplast Transformation System for Transient Expression Analysis Using Leaves of Torenia fournieri.


ABSTRACT: Torenia fournieri (T. fournieri) is one of the most widely used horticultural flowers and is considered a potential model plant for the genetic investigation of ornamental traits. In this study, we optimized an efficient protocol for high efficiency preparation and transformation of T. fournieri protoplast. The transformation rate reached ~75% when a 35S:GFP construct was used for the transformation. Using this system, we characterized the subcellular localization of several TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) transcription factors (TFs), and found a distinct localization pattern between the CIN and CYC classes of TCP TFs. Furthermore, we also demonstrated the feasibility of the expression of dual luciferase assay system in T. fournieri protoplasts for the measurement of the activity of cis-regulatory elements. Taken together, a well-optimized transient expression system in T. fournieri protoplasts would be crucial for rapid exploration of the gene function or cis-regulatory elements.

SUBMITTER: Zhang L 

PROVIDER: S-EPMC9412307 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Optimization of an Efficient Protoplast Transformation System for Transient Expression Analysis Using Leaves of <i>Torenia fournieri</i>.

Zhang Ling L   Yung Wai-Shing WS   Wang Zhili Z   Li Man-Wah MW   Huang Mingkun M  

Plants (Basel, Switzerland) 20220812 16


<i>Torenia fournieri</i> (<i>T. fournieri</i>) is one of the most widely used horticultural flowers and is considered a potential model plant for the genetic investigation of ornamental traits. In this study, we optimized an efficient protocol for high efficiency preparation and transformation of <i>T. fournieri</i> protoplast. The transformation rate reached ~75% when a <i>35S:GFP</i> construct was used for the transformation. Using this system, we characterized the subcellular localization of  ...[more]

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