Chapter title |
Generation of Inducible Transgenic Lines of Arabidopsis Transcription Factors Regulated by MicroRNAs
|
---|---|
Chapter number | 4 |
Book title |
Plant Transcription Factors
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-8657-6_4 |
Pubmed ID | |
Book ISBNs |
978-1-4939-8656-9, 978-1-4939-8657-6
|
Authors |
Pooja Aggarwal, Krishna Reddy Challa, Monalisha Rath, Preethi Sunkara, Utpal Nath, Aggarwal, Pooja, Challa, Krishna Reddy, Rath, Monalisha, Sunkara, Preethi, Nath, Utpal |
Abstract |
Transcription factors play key regulatory roles in all the life processes across kingdoms. In plants, the genome of a typical model species such as Arabidopsis thaliana encodes over 1500 transcription factors that regulate the expression dynamics of all the genes in time and space. Therefore, studying their function by analyzing the loss and gain-of-function lines is of prime importance in basic plant biology and its agricultural application. However, the current approach of knocking out genes often causes embryonic lethal phenotype, while inactivating one or two members of a redundant gene family yields little phenotypic changes, thereby making the functional analysis a technically challenging task. In such cases, inducible knock-down or overexpression of transcription factors appears to be a more effective approach. Restricting the transcription factors in the cytoplasm by fusing them with animal glucocorticoid/estrogen receptors (GR/ER) and then re-localizing them to the nucleus by external application of animal hormone analogues has been a useful method of gene function analysis in the model plants. In this chapter, we describe the recent advancements in the GR and ER expression systems and their use in analyzing the function of transcription factors in Arabidopsis. |
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Demographic breakdown
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Researcher | 2 | 20% |
Student > Bachelor | 2 | 20% |
Unspecified | 1 | 10% |
Unknown | 1 | 10% |
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Unspecified | 1 | 10% |
Immunology and Microbiology | 1 | 10% |
Unknown | 1 | 10% |