Genome-wide identification and expression analysis of calmodulin-like proteins in cucumber

PeerJ

article

Yunfen Liu¹  Feilong Yin¹  Lingyan Liao¹  Liang Shuai¹ 

[1] College of Food and Biological Engineering/Institute of Food Science and Engineering Techology, Hezhou University;Guangxi Key Laboratory of Health Care Food Science and Technology, Hezhou University

关键词: Cucumis sativus L;    Calmodulin-like protein;    Genome-wide;    Phylogenetic analysis;    Expression pattern;   

DOI  :  10.7717/peerj.14637

学科分类：社会科学、人文和艺术（综合）

来源: Inra

【 摘 要 】

BackgroundThe calmodulin-like (CML) protein is a crucial Ca2+-binding protein that can sense and conduct the Ca2+ signal in response to extracellular stimuli. The CML protein families have been identified and characterized in many species. Nevertheless, scarce information on cucumber CML is retrievable.MethodsIn this study, bioinformatic analyses, including gene structure, conserved domain, phylogenetic relationship, chromosome distribution, and gene synteny, were comprehensively performed to identify and characterize CsCML gene members. Spatiotemporal expression analysis in different organs and environment conditions were assayed with real-time quantitative polymerase chain reaction (qRT-PCR).ResultsForty-four CsCMLs family members were well characterized, and the results showed that the 44 CsCML proteins contained one to four EF-hand domains without other functional domains. Most of the CsCML proteins were intron-less and unevenly distributed on seven chromosomes; two tandemly duplicated gene pairs and three segmentally duplicated gene pairs were identified in the cucumber genome. Cis-acting element analysis showed that the hormone, stress, and plant growth and development-related elements were in the promotor regions. In addition, spatiotemporal expression analysis revealed distinctive expression patterns for CsCML genes in different tissues and environmental conditions, and a putative protein interaction network also confirmed their potential role in responding to various stimuli. These results provide a foundation for understanding CsCMLs and provide a theoretical basis for further study of the physiological functions of CsCMLs.

【 授权许可】

CC BY