Abstract:
KEY MESSAGE:Our study shows that the expression of AtCBF3 and AtCOR15A improved the chilling tolerance in transgenic eggplant. In an attempt to improve chilling tolerance of eggplant (Solanum melongena L) plants, Arabidopsis C-repeat binding factor 3 (AtCBF3) and cold-regulated 15A (AtCOR15A) genes both driven by an Arabidopsis RESPONSIVE TO DESSICATION 29A promoter (AtRD29A) were transferred into the plants of eggplant cultivar Sanyueqie. Two independent homozygous transgenic lines were tested for their cold tolerance. The leaves of the transgenic plants in both lines withered much slower and slighter than the wild-type plants after exposure to cold stress treatment at 2 ± 1 °C. The gene expression of AtCBF3 and AtCOR15A was significantly increased as well as the proline content and the levels of catalase and peroxidase activities, while the relative electrical conductivity and the malondialdehyde content were remarkably decreased in the transgenic plants compared with the wild type at 4 ± 0.5 °C. The results showed that the expression of the exogenous AtCBF3 and AtCOR15A could promote the cold adaptation process to protect eggplant plants from chilling stress.
journal_name
Plant Cell Repjournal_title
Plant cell reportsauthors
Wan F,Pan Y,Li J,Chen X,Pan Y,Wang Y,Tian S,Zhang Xdoi
10.1007/s00299-014-1670-zsubject
Has Abstractpub_date
2014-12-01 00:00:00pages
1951-61issue
12eissn
0721-7714issn
1432-203Xjournal_volume
33pub_type
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pub_type: 杂志文章
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