Corresponding
Author：
Junnan Wan, Shengwei Wang, Andrew R. Leitch, Ilia J. Leitch, Jianbo Jian, Zhangyan Wu, Haiping Xin, Mijoro Rakotoarinivo, Guy Eric Onjalalaina, Robert Wahiti Gituru, Can Dai, Geoffrey Mwachala, Mingzhou Bai, Chenxi Zhao, Hongqi Wang, Shenglan Du, Neng Wei, Guangwan Hu, Sichong Chen, Xiaoya Chen, Tao Wan*, Qingfeng Wang*
Pubyear：
2024
Title of
Journal：
Nature
Paper
Code：
Volume：
629
Number：
Page：
1091-1099
Others：
Classification：
Source：
Abstract：
The baobab trees (genus Adansonia) have attracted tremendous attention because of their striking shape and distinctive relationships with fauna1. These spectacular trees have also infuenced human culture, inspiring innumerable arts, folklore and traditions. Here we sequenced genomes of all eight extant baobab species and argue that Madagascar should be considered the centre of origin for the extant lineages, a key issue in their evolutionary history2,3. Integrated genomic and ecological analyses revealed the reticulate evolution of baobabs, which eventually led to the species diversity seen today. Past population dynamics of Malagasy baobabs may have been infuenced by both interspecifc competition and the geological history of the island, especially changes in local sea levels. We propose that further attention should be paid to the conservation status of Malagasy baobabs, especially of Adansonia suarezensis and Adansonia grandidieri, and that intensive monitoring of populations of Adansoniaza is required, given its propensity for negatively impacting the critically endangered Adansonia perrieri.
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