The origin and morphological character evolution of the paleotropical woody bamboos

doi:10.1111/jipb.13751

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	The origin and morphological character evolution of the paleotropical woody bamboos
	Liu, Jing-Xia; Guo, Cen; Ma, Peng-Fei; Zhou, Meng-Yuan; Luo, Ya-Huang; Zhu, Guang-Fu; Xu, Zu-Chang; Milne, Richard, I; Vorontsova, Maria S.; Li, De-Zhu
	2024
发表期刊	JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN	1672-9072
卷号	66 期号:10 页码:2242-2261
摘要	The woody bamboos (Bambusoideae) exhibit distinctive biological traits within Poaceae, such as highly lignified culms, rapid shoot growth, monocarpic mass flowering and nutlike or fleshy caryopses. Much of the remarkable morphological diversity across the subfamily exists within a single hexaploid clade, the paleotropical woody bamboos (PWB), making it ideal to investigate the factors underlying morphological evolution in woody bamboos. However, the origin and biogeographical history of PWB remain elusive, as does the effect of environmental factors on the evolution of their morphological characters. We generated a robust and time-calibrated phylogeny of PWB using single nucleotide polymorphisms retrieved from optimized double digest restriction site associated DNA sequencing, and explored the evolutionary trends of habit, inflorescence, and caryopsis type in relation to environmental factors including climate, soil, and topography. We inferred that the PWB started to diversify across the Oligocene-Miocene boundary and formed four major clades, that is, Melocanninae, Racemobambosinae s.l. (comprising Dinochloinae, Greslanlinae, Racemobambosinae s.str. and Temburongiinae), Hickeliinae and Bambusinae s.l. (comprising Bambusinae s.str. plus Holttumochloinae). The ancestor of PWB was reconstructed as having erect habit, indeterminate inflorescence and basic caryopsis. The characters including climbing/scrambling habit, determinate inflorescence, and nucoid/bacoid caryopsis have since undergone multiple changes and reversals during the diversification of PWB. The evolution of all three traits was correlated with, and hence likely influenced by, aspects of climate, topography, and soil, with climate factors most strongly correlated with morphological traits, and soil factors least so. However, topography had more influence than climate or soil on the evolution of erect habit, whereas both factors had greater effect on the evolution of bacoid caryopsis than did soil. Our results provide novel insights into morphological diversity and adaptive evolution in bamboos for future ecological and evolutionary research.
DOI	10.1111/jipb.13751
WOS记录号	WOS:001295953900001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76177
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Liu, Jing-Xia,Guo, Cen,Ma, Peng-Fei,et al. The origin and morphological character evolution of the paleotropical woody bamboos[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2024,66(10):2242-2261.
APA	Liu, Jing-Xia.,Guo, Cen.,Ma, Peng-Fei.,Zhou, Meng-Yuan.,Luo, Ya-Huang.,...&Li, De-Zhu.(2024).The origin and morphological character evolution of the paleotropical woody bamboos.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,66(10),2242-2261.
MLA	Liu, Jing-Xia,et al."The origin and morphological character evolution of the paleotropical woody bamboos".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 66.10(2024):2242-2261.

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