ACTA AGRICULTURAE BOREALI-SINICA ›› 2020, Vol. 35 ›› Issue (6): 81-89. doi: 10.7668/hbnxb.20191499

Special Issue: Biotechnology

• Crop Genetics·Germplasm Resources·Biotechnology • Previous Articles     Next Articles

Cloning and Expression Analysis of Distant Hybridization Incompatibility PlABCF3 Gene from Paeonia

HE Dan1,2, ZHANG Jiaorui1, HE Songlin2, LIU Hongli1, WANG Zheng1, LIU Yiping1   

  1. 1. College of Landscape Architecture and Art, Henan Agricultural University, Zhengzhou 450002, China;
    2. College of Horticulture Landscape Architecture, Henan Institute of Science and Technology, Xinxiang 453000, China
  • Received:2020-08-19 Published:2020-12-28

Abstract: To further study the mechanism of PlABCF3 gene in distant hybrid incompatibility of Paeonia lactiflora. The stigmas of combinations P. lactiflora Fenyunu×P. lactiflora Fenyunu and P. lactiflora Fenyunu×P. ostii Fengdanbai were harvested as the materials after 24,36 h of pollination and ABCF3 gene(PlABCF3) was cloned by RT-PCR according to transcriptome data. Bioinformatics and expression characteristics showed that the CDS of PlABCF3 was 2 151 bp encoded 716 amino acids. Between PlABCF3 and ABCFs in Arabidopsis thaliana, phylogenetic analysis and homologous sequence analysis showed that there were high homology of base sequences between PlABCF3 and AtABCF3. Phylogenetic analysis showed that PlABCF3 had high identities with ABCF3 in Macleaya cordata, and the amino acid sequence of PlABCF3 had high similarity with ABCF3 in Macleaya cordata,so its name was designated PlABCF3 (GenBank accession No.MT123594). RT-qPCR results indicated that during self-cross and hybridization of the stigmas,the PlABCF3 expression level was lower in 36 h at the same treatment and lowest in hybridization stigma in 36 h. PlABCF3 gene expression was negatively related with abscisic acid(ABA), and zeatin nucleoside(ZR) content in stigmas(R=-0.837,-0.565,P<0.01). It was speculated that PlABCF3 had a deep connection with endogenous hormones in the distant hybridization of Paeonia.

Key words: Paeonia ostii, Paeonia lactiflora, PlABCF3 gene, RT-PCR, Distant hybridization

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Cite this article

HE Dan, ZHANG Jiaorui, HE Songlin, LIU Hongli, WANG Zheng, LIU Yiping. Cloning and Expression Analysis of Distant Hybridization Incompatibility PlABCF3 Gene from Paeonia[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2020, 35(6): 81-89. doi: 10.7668/hbnxb.20191499.

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