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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (3): 559-568.doi: 10.16420/j.issn.0513-353x.2022-0160

• Research Papers • Previous Articles     Next Articles

ABC Transporter SlABCG23 Regulates Jasmonic Acid Signaling Pathway in Tomato

LIU Yuhan, TAO Ning, WANG Qingguo, LI Qingqing*()   

  1. College of Food Science and Technology,Shandong Agricultural University,Tai’an,Shandong 271018,China
  • Received:2022-11-20 Revised:2023-02-25 Online:2023-03-25 Published:2023-04-03
  • Contact: *(E-mail:anruihu001@163.com

Abstract:

The transport of jasmonic acid(JA)depends on the participation of transporters. ABC(ATP binding cassette)transporter is involved in the transport of various substances in plants. Four ABC transporters with high homology to the JA transporter in Arabidopsis thaliana are known to exist in tomato. Motif,protein conserved domain and transmembrane structure analysis were performed,finally,SlABCG23 was selected for preliminary function identification. It was speculated that SlABCG23 may be related to the regulation of JA signaling pathway. The overexpression vector of SlABCG23 was constructed,and three overexpression tomato plants were obtained by Agrobacterium infection. Phenotypic analysis showed that SlABCG23 overexpressed plants had enlarged flower organs,blocked pollen germination,abnormal seed development in fruits,following with decreased JA content in vivo. Therefore,it is speculated that SlABCG23 might be involved in regulating JA signaling pathway by affecting JA content.

Key words: tomato, jasmonic acid, transporter protein, SlABCG23

CLC Number: