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

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, th...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2018-05, Vol.23 (5), p.1144
Main Authors: Abdullah, Muhammad, Cao, Yungpeng, Cheng, Xi, Meng, Dandan, Chen, Yu, Shakoor, Awais, Gao, Junshan, Cai, Yongping
Format: Article
Language:English
Subjects:
characteristics
Collinearity
Environmental stress
expression pattern
Fruits
Gene expression
Gene families
Genes
Genomes
Localization
Metabolism
phylogenetic analysis
Phylogeny
Plant growth
Pyrus bretschneideri
RNA-seq data analysis
Sucrose
Sucrose synthase
Sugar
Tobacco
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Summary: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.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules23051144