Results showed that 15 madof genes were up regulated

different development stages and abiotic stresses of bananas. Results showed that 15 MaDof genes
were up-regulated throughout the fruit development, suggesting that they may play important roles
in fruit development. In abotic stresses, most MaDof gene expressions were down-regulated,
suggesting that these genes played a negative regulation role in abotic stress.
In summary, this study is the first comprehensive genome-wide analysis of the Dof gene
family in bananas. A total of 74 MaDof gene family members were identified and could be
grouped into four classes. Banana Dof proteins appear to have structural diversities that may
indicate their diverse function. The expression levels of MaDof in different development stages
and abiotic stress treatments in fruits were characterized. Thus, the systematic analysis of the Dof
gene family and the preliminary results presented here may provide a foundation for further
research on the biological functions of Dof proteins in bananas, which will promote their
application in banana breeding.
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Acknowledgements
This research was supported by the Special Fund for Agro-scientific Research in the Public
Interest (Project No. 201503142-13) and the Modern Agro-industry Technology Research System
(Project No. CARS-32-12).
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