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Expression patterns of photoperiod and temperature regulated heading date genes in Oryza sativa

Paper ID Volume ID Publish Year Pages File Format Full-Text
15131 1380 2013 6 PDF Available
Title
Expression patterns of photoperiod and temperature regulated heading date genes in Oryza sativa
Abstract

•Expression profiles of flowering genes were compared using a co-expression network approach.•17 and 3 co-expressed photoperiod and temperature regulated flowering genes were detected.•Strong evidence that temperature affects flowering time independently of photoperiod.

In plants, flowering is a major biological phenomenon, which is regulated by an array of interactions occurring between biotic and abiotic factors. In our study, we have compared the expression profiles of flowering genes involved in the flowering pathway, which are influenced by conditions like photoperiod and temperature from seedling to heading developmental stages in two Oryza sativa indica varieties, viz., Zhenshan 97 and Minghui 63 using a expression network approach. Using the network expression approach, we found 17 co-expressed genes having the same expression profile pattern as three key photoperiod flowering genes Hd1, Ehd1 and Hd3a. We also demonstrated that these three co-expressed genes have a similar simulation pattern as temperature flowering genes. Based on our observations, we hypothesize that photoperiod and temperature regulate flowering pathways independently. The present study provides a basis for understanding the network of co-expressed genes involved in flowering pathway and presents a way to demonstrate the behavior of specific gene sets in specific cultivars.

Graphical abstractA molecular network of O. sativa flowering genes.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Arabidopsis thaliana; Expression profiling; Heading date; Oryza sativa; Photoperiod; Temperature
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Expression patterns of photoperiod and temperature regulated heading date genes in Oryza sativa
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Publisher
Database: Elsevier - ScienceDirect
Journal: Computational Biology and Chemistry - Volume 45, August 2013, Pages 36–41
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us