The Sucrose Synthase Gene Family in Chinese Pear ( Rehd.): Structure, Expression, and Evolution

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2018 May 13

PMID 29751599

Citations 26

Authors

Muhammad Abdullah

Yungpeng Cao

Xi Cheng

Dandan Meng

Yu Chen

Awais Shakoor

Junshan Gao

Yongping Cai

Affiliations

Soon will be listed here.

Abstract

Sucrose synthase (SS) is a key enzyme involved in sucrose metabolism that is critical in plant growth and development, and particularly quality of the fruit. Sucrose synthase gene families have been identified and characterized in plants various plants such as tobacco, grape, rice, and . However, there is still lack of detailed information about sucrose synthase gene in pear. In the present study, we performed a systematic analysis of the pear ( Rehd.) genome and reported 30 sucrose synthase genes. Subsequently, gene structure, phylogenetic relationship, chromosomal localization, gene duplications, promoter regions, collinearity, RNA-Seq data and qRT-PCR were conducted on these sucrose synthase genes. The transcript analysis revealed that 10 genes (30%) were especially expressed in pear fruit development. Additionally, qRT-PCR analysis verified the RNA-seq data and shown that , , and have a potential role in the pear fruit development stages. This study provides important insights into the evolution of sucrose synthase gene family in pear and will provide assistance for further investigation of sucrose synthase genes functions in the process of fruit development, fruit quality and resistance to environmental stresses.

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