Phylogeography of Jackson's Forest Lizard Adolfus jacksoni (Sauria: Lacertidae) Reveals Cryptic Diversity in the Highlands of East Africa

IF 1.1 2区 生物学 Q3 ZOOLOGY
E. Greenbaum, Stephanie Dowell Beer, Daniel F. Hughes, P. Wagner, C. Anderson, Cesar O. Villanueva, P. Malonza, C. Kusamba, Wandege M. Muninga, Mwenebatu M. Aristote, W. Branch
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引用次数: 7

Abstract

Abstract Jackson's Forest Lizard (Adolfus jacksoni) is widespread throughout the highlands of the Albertine Rift, southern Uganda, western and central Kenya, and northern Tanzania. To understand the population genetics and phylogenetic relationships of this widespread taxon, we sequenced two mitochondrial (16S and cyt b) and two nuclear (c-mos and RAG1) genes from multiple populations. Population genetics analyses suggested a high degree of genetic differentiation among A. jacksoni populations, reflecting the high-elevation montane “islands” that they inhabit. Populations connected by a network of mountain ranges generally showed lower levels of genetic partitioning than those isolated by low-elevation habitat. Results from phylogenetic analyses and additional morphological data indicated that Adolfus jacksoni occurs throughout the Albertine Rift, likely from the Kabobo Plateau to the Lendu Plateau of Democratic Republic of the Congo, as well as southern Uganda, Mt. Elgon, and the highlands of western Kenya on the western side of the Kenyan Rift. Adolfus kibonotensis is removed from the synonymy of the latter taxon, elevated to full species, and recognized from the central Kenyan highlands to northern Tanzania on the eastern side of the Kenyan Rift. A new Adolfus species is described from the Mathews Range in central Kenya.
东非高原杰克逊森林蜥蜴(蜥目:蜥科)的系统地理学揭示了隐伏的多样性
摘要杰克逊森林蜥蜴(Adolfus jacksoni)广泛分布在艾伯丁裂谷的高地、乌干达南部、肯尼亚西部和中部以及坦桑尼亚北部。为了了解这个广泛分布的分类单元的群体遗传学和系统发育关系,我们对来自多个群体的两个线粒体(16S和cyt b)和两个细胞核(c-mos和RAG1)基因进行了测序。种群遗传学分析表明,a.jacksoni种群之间存在高度的遗传分化,反映了它们所居住的高海拔山地“岛屿”。由山脉网络连接的种群通常表现出比由低海拔栖息地隔离的种群更低的遗传划分水平。系统发育分析和其他形态学数据的结果表明,Adolfus jacksoni分布在整个艾伯丁裂谷,可能从卡博博高原到刚果民主共和国的伦杜高原,以及乌干达南部、埃尔贡山和肯尼亚裂谷西侧的肯尼亚西部高地。kibonotensis Adolfus从后一个分类单元的同义词中删除,被提升为完整物种,并从肯尼亚中部高地到肯尼亚裂谷东侧的坦桑尼亚北部被识别。在肯尼亚中部的马修斯山脉描述了一个新的阿道夫物种。
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来源期刊
Herpetological Monographs
Herpetological Monographs 生物-动物学
CiteScore
5.40
自引率
0.00%
发文量
2
审稿时长
>12 weeks
期刊介绍: Since 1982, Herpetological Monographs has been dedicated to original research about the biology, diversity, systematics and evolution of amphibians and reptiles. Herpetological Monographs is published annually as a supplement to Herpetologica and contains long research papers, manuscripts and special symposia that synthesize the latest scientific discoveries.
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