RNA-Seq analysis of genes affected by Cyclophilin A/DIAGEOTROPICA (DGT) in tomato root development
Maria G Ivanchenko1, Olivia R Ozguc2, Stephanie R Bollmann3,4
1Department of Botany and Plant Pathology, Oregon State University, 2701 SW Campus Way, Corvallis, Oregon, 97331, USA.
F1000Research
|October 30, 2020
Summary
Cyclophilin A (DGT) influences tomato root development. Loss of DGT function causes shorter roots lacking branches, revealing its critical role in plant growth.
Area of Science:
- Plant Biology
- Genetics
- Molecular Biology
Background:
- Cyclophilin A, also known as DIAGEOTROPICA (DGT), is implicated in auxin-regulated development in tomato.
- Loss of DGT function leads to a significant pleiotropic phenotype, most notably in root development, characterized by shortened roots and a lack of lateral branching.
Purpose of the Study:
- To generate and analyze an RNA-Seq dataset comparing gene expression in wildtype and dgt mutant tomato root tips.
- To identify differentially expressed genes and understand the impact of DGT on root developmental pathways.
Main Methods:
- RNA-Sequencing (RNA-Seq) was performed on wildtype ('Ailsa Craig') and dgt mutant tomato root tip tissues.
- Samples were collected from three distinct developmental stages, with three biological replicates for each genotype and stage.
- A bioinformatics pipeline was utilized for data analysis, including the identification of differentially expressed genes.
Main Results:
- The study generated a comprehensive RNA-Seq dataset detailing gene expression profiles in wildtype and dgt tomato roots.
- An initial comparison of gene expression between genotypes and tissues was conducted.
- A pipeline for analyzing the RNA-Seq data was established.
Conclusions:
- The generated dataset provides a valuable resource for investigating the role of DGT in tomato root development.
- Further analysis of this data can elucidate the specific molecular mechanisms by which DGT affects various root developmental pathways.


