Abbreviations
DD, dispersed duplication; NtPPO1, Nta03g28080; NtPPO2, Nta03g28100; NtPPO3, Nta04g22740; NtPPO4, Nta06g30520; NtPPO5, Nta15g17370; NtPPO6, Nta15g17450; NtPPO7, Nta16g13930; NtPPO8, Nta16g13960; NtPPO9, Nta16g14050; NtPPO10, Nta16g14130; NtPPO11, Nta19g09130; NtPPO12, Nta19g09140; NtPPO13, Nta24g03870; PD, proximal duplication; PPO, polyphenol oxidase; TD, tandem duplication; WGD, whole-genome duplication
Acknowledgements
This work was supported by the Foundation of Innovation Team Project for Modern Agricultural Industrious Technology System of Shandong Province (SDAIT-25-01). And we thank Supercomputing Center in Shandong Agricultural University for technical support.
Author contributions
L.Y. conceived the project and was responsible for the initiation. L.Y., Y.S., and Y.Q. supervised and managed the project and research. Data generation and collection were led by L.Y., Y.S., K.S., B.L., J.W., Q.Y., H.L., and W.Z. Bioinformatics analysis was led by Y.S. The manuscript was organized, written and revised by L.Y., Y.S., and Y.Q. All authors read and revised the manuscript.
Data availability
The species information selected for this study is available at http://biodb.com.cn/PPO_Supplementary_Table/.
Conflicts of interest statement
The authors declare that they have no conflicts of interest.
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