期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-017-18219-8
关键词
-
资金
- fundamental research funds for the central universities [2572015EA05]
- 111 project [B16010]
The calmodulin-binding transcription activators (CAMTAs) transcription factor family plays an important role in normal plant growth and development, as well as in biotic and abiotic stress resistance. In this study, we identified seven CAMTA genes across the whole genome of Populus trichocarpa and analyzed the expression patterns of PtCAMTAs in the root and leaf tissues. Promoter cis-element analysis indicated that most CAMTA genes contained stress-or phytohormone-related cis-elements. Quantitative real-time reverse transcription-PCR (qRT-PCR) indicated indicated that PtCAMTAs were induced by mannitol, NaCl, cold stress, pathogenic infection with A. alternata, and phytohormone treatments with abscisic acid, salicylic acid, and methyl jasmonate. We analyzed the expression of homologous genes between P. trichocarpa and P. ussuriensis and alternative splicing forms of PtCAMTA genes under cold stress. We also performed a network interaction analysis for PtCAMTA proteins to predict their interactions and associations. The results of the present study serve as a basis for future functional studies on the Populus CAMTA family.
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