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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (3): 475-484.doi: 10.16420/j.issn.0513-353x.2021-1267

• Research Papers • Previous Articles     Next Articles

Characterization of NCL Family Genes in Malus and Their Relationship with Cellular Calcium Concentration in Root

NING Yuansheng, LI Huan, SONG Jianfei, YU Tingting, HAN Mengyuan, PENG Lulin, JIA Junqi, ZHANG Weiwei, YANG Hongqiang*()   

  1. State Key Laboratory of Crop Biology,College of Horticulture Science and Engineering,Shandong Agricultural University,Tai’an,Shandong 271018,China
  • Received:2022-06-17 Revised:2022-11-09 Online:2023-03-25 Published:2023-04-03
  • Contact: *(E-mail:hqyang@sdau.edu.cn

Abstract:

Na+/Ca2+ exchange-like proteins(NCX-Like,NCL)take part in the transmembrane transport of Ca2+ and other cations in Arabidopsis. The traits of NCL family gene and expression patterns of apple MdNCL based on Arabidopsis NCL sequences and genome-wide information of apple,grape,strawberry,peach and pear were analyzed;and the relationship between MhNCL expression and cellular Ca2+ concentration in the roots of Malus hupehensis Rhed. under different treatments were investigated. Results showed that the NCL family members were highly conserved in evolution;four MdNCLs originated from apple genome all contained cis-acting components of abiotic stress response and hormone response on their promoters and had organ-specific expression patterns. Based on the conserved structural domains of MdNCL,four MhNCLsMhNCL-1MhNCL-2MhNCL-3 and MhNCL-4)were identified in M. hupehensis. Expression levels of MhNCL-1MhNCL-3 and MhNCL-4 showed a“little change-increase-decrease-increase”pattern under NaCl and CaCl2 treatments,and showed a“little change-increase-decrease-increase”pattern under ABA and IAA treatments. The Ca2+ concentration in root cells showed an“increase-decrease-small increase”trend under NaCl and CaCl2 treatments,and an“increase-decrease-increase-decrease”pattern under ABA and IAA treatments,which indicated that there was a correlation between the expression levels of MhNCLs and changes in cellular Ca2+ concentration in root.

Key words: apple, NCL gene, genome-wide identification, Ca2+ concentration

CLC Number: