Funding for this research was provided by:
National Natural Science Foundation of China (41476138)
Received: 25 June 2019
Accepted: 19 August 2019
First Online: 2 October 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of the Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences. Efforts were taken to ensure that all research animals received good care and humane treatment.
: The authors declare that they have no competing interests.