Genome-Wide Identification and Expression Pattern of the GRAS Gene Family in Pitaya ( Selenicereus undatus L.)

The gene family is one of the most important families of transcriptional factors that have diverse functions in plant growth and developmental processes including axillary meristem patterning, signal-transduction, cell maintenance, phytohormone and light signaling. Despite their importance, the func...

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Published inBiology (Basel, Switzerland) Vol. 12; no. 1; p. 11
Main Authors Zaman, Qamar U, Hussain, Muhammad Azhar, Khan, Latif Ullah, Cui, Jian-Peng, Hui, Liu, Khan, Darya, Lv, Wei, Wang, Hua-Feng
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 21.12.2022
MDPI
Subjects
Chromosomes
Flowers & plants
Fruits
Genes
genome-wide analysis
Genomes
GRAS gene family
growth and development
Meristems
Pattern formation
Phylogenetics
Phylogeny
pitaya/dragon fruit
Proteins
S. undatus L
Selenicereus
Signal transduction
Soybeans
Transcription factors
China
pitaya/dragon fruit
GRAS gene family
genome-wide analysis
S. undatus L
growth and development
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Summary:The gene family is one of the most important families of transcriptional factors that have diverse functions in plant growth and developmental processes including axillary meristem patterning, signal-transduction, cell maintenance, phytohormone and light signaling. Despite their importance, the function of genes in pitaya fruit ( L.) remains unknown. Here, 45 members of the gene family were identified in the pitaya genome, which was distributed on 11 chromosomes. All 45 members of were grouped into nine subfamilies using phylogenetic analysis with six other species: maize, rice, soybeans, tomatoes, and Arabidopsis. Among the 45 genes, 12 genes were selected from RNA-Seq data due to their higher expression in different plant tissues of pitaya. In order to verify the RNA-Seq data, these 12 genes were subjected for qRT-PCR validation. Nine genes exhibited higher relative expression in different tissues of the plant. These nine genes which were categorized into six subfamilies inlcuding DELLA ( ), SCL-3 ( ), PAT1 ( , , ), HAM ( ), SCR ( ) and LISCL ( , ) might regulate growth and development in the pitaya plant. The results of the present study provide valuable information to improve tropical pitaya through a molecular and conventional breeding program.
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ISSN:2079-7737
2079-7737
DOI:10.3390/biology12010011