Journal
FRONTIERS IN PLANT SCIENCE
Volume 8, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2017.00480
Keywords
apple; genome-wide analysis; bHLH transcription factor; expression analysis; drought and salt stress; regulation networks
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Funding
- State Key Program of the National Natural Science Foundation of China [31330068]
- earmarked fund for the China Agriculture Research System [CARS-28]
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The bHLH (basic helix-loop-helix) transcription factor family is the second largest in plants. It occurs in all three eukaryotic kingdoms, and plays important roles in regulating growth and development. However, family members have not previously been studied in apple. Here, we identified 188 MdbHLH proteins in apple Golden Delicious (Malus x domestica Borkh.), which could be classified into 18 groups. We also investigated the gene structures and 12 conserved motifs in these MdbHLHs. Coupled with expression analysis and protein interaction network prediction, we identified several genes thatmight be responsible for abiotic stress responses. This study provides insight and rich resources for subsequent investigations of such proteins in apple.
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