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生物地理和北美灰色树复合体中的多杂种北美灰色树复合体中的声学通信的演变
William W Booker1,2, Emily Moriarty Lemmon2, Alan R Lemmon3
1Department of Biological Science, Florida State University, Tallahassee, Florida, USA.
Molecular ecology
|July 4, 2023
概括
这项研究揭示了多倍体灰色树 (Hyla versicolor) 如何从双倍体祖先 (Hyla chrysoscelis) 进化,将它们的多样化与冰川历史和独特的声学交配信号联系起来.
科学领域:
- 进化生物学 进化生物学
- 生物声学是一种生物声学.
- 遗传学 是一个遗传学.
背景情况:
- 多化可以推动物种多样化.
- 声学信号对于伴侣选择和繁殖隔离至关重要.
- 北美灰色树复合体 (Hyla chrysoscelis和Hyla versicolor) 提供了一个研究多体进化的模型.
研究的目的:
- 为了重建灰树综合体的生物地理历史.
- 为了确定全基因组复制和谱系扩张的起源.
- 为了研究声学交配信号的谱系特异性差异.
主要方法:
- 生物地理历史估计.
- 对大型声学数据集 (>1500个人,52年) 的比较分析.
- 遗传学和种群遗传学分析.
主要成果:
- 希拉的起源Versicolor和中西部的多倍体血统与冰川边界有关.
- 一个西南多倍体系表现出与其双倍体系姐妹系的声学分歧.
- 在Hyla chrysoscelis中,声信号随着向北扩张而多样化,并由东/西系划分.
结论:
- 地理起源和冰川历史显著影响了灰树细胞型和声学通信的演变.
- 声学表型变化与多体谱系的形成和扩张有关.
- 这项研究阐明了生物地理,基因组复制和多样化之间的相互作用.
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