7 Works

Phylogenomic analysis of ultraconserved elements resolves the evolutionary and biogeographic history of Segmented Trapdoor Spiders

Xin Xu, Yong-Chao Su, Simon Y. W. Ho, Matjaž Kuntner, Hirotsugu Ono, Fengxiang Liu, Chia-Chen Chang, Natapot Warrit, Varat Sivayyapram, Khin Pyae Pyae Aung, Dinh Sac Pham, Y. Norma-Rashid & Daiqin Li
The segmented trapdoor spiders (Liphistiidae) are the sole surviving family of the suborder Mesothelae, which forms the sister lineage to all other living spiders. Liphistiids have retained a number of plesiomorphic traits and their present-day distribution is limited to East and Southeast Asia. Studying this group has the potential to shed light on the deep evolutionary history of spiders, but the phylogeny and divergence times of the family have not been resolved with confidence. We...

Data from: Multi-locus phylogeny of lethal amanitas: implications for species diversity and historical biogeography

Qing Cai, Rodham E. Tulloss, Li P. Tang, Bau Tolgor, Ping Zhang, Zuo H. Chen & Zhu L. Yang
Background: Lethal amanitas (Amanita section Phalloideae) are a group of wild, fatal mushrooms causing many poisoning cases worldwide. However, the diversity and evolutionary history of these lethal mushrooms remain poorly known due to the limited sampling and insufficient gene fragments employed for phylogenetic analyses. In this study, five gene loci (nrLSU, ITS, rpb2, ef1-α and β-tubulin) with a widely geographic sampling from East and South Asia, Europe, North and Central America, South Africa and Australia...

Data from: Genomic evidence reveals a radiation of placental mammals uninterrupted by the KPg boundary

Liang Liu, Jin Zhang, Frank E. Rheindt, Fumin Lei, Yanhua Qu, Yu Wang, Yu Zhang, Corwin Sullivan, Wenhui Nie, Jinhuan Wang, Fengtang Yang, Jinping Chen, Scott V. Edwards, Jin Meng & Shaoyuan Wu
The timing of the diversification of placental mammals relative to the Cretaceous–Paleogene (KPg) boundary mass extinction remains highly controversial. In particular, there have been seemingly irreconcilable differences in the dating of the early placental radiation not only between fossil-based and molecular datasets but also among molecular datasets. To help resolve this discrepancy, we performed genome-scale analyses using 4,388 loci from 90 taxa, including representatives of all extant placental orders and transcriptome data from flying lemurs...

Data from: Extant primitively segmented spiders have recently diversified from an ancient lineage

Xin Xu, Fengxiang Liu, Ren-Chung Cheng, Jian Chen, Xiang Xu, Zhisheng Zhang, Hirotsugu Ono, Dinh Sac Pham, Y. Norma-Rashid, Miquel A. Arnedo, Matjaž Kuntner, Daiqin Li & R.-C. Cheng
Living fossils are lineages that have retained plesiomorphic traits through long time periods. It is expected that such lineages have both originated and diversified long ago. Such expectations have recently been challenged in some textbook examples of living fossils, notably in extant cycads and coelacanths. Using a phylogenetic approach, we tested the patterns of the origin and diversification of liphistiid spiders, a clade of spiders considered to be living fossils due to their retention of...

From crypsis to masquerade: ontogeny changes the colour defences of a crab spider hiding as bird droppings

Long Yu, Xin Xu, Fan Li, Wei Zhou, Hua Zeng, Eunice Tan, Shichang Zhang & Daiqin Li
Selection imposed by visually-hunting predators has driven the evolution of colour-based antipredator defence strategies such as crypsis, masquerade, mimicry and aposematism. Individuals of many animals are generally considered to rely on a single type of defence strategy, but individuals of some species use multiple colour-based defences. Many animals switch between colour-based defences against visually-hunting predators during ontogeny. However, why this occurs remains poorly understood. The crab spider Phrynarachne ceylonica is an often-cited example of a...

Stability in subtropical forests: the role of tree-species diversity, stand structure, environmental and socio-economic conditions

Shuai Ouyang, Wenhua Xiang, Mengmeng Gou, Liang Chen, Pifeng Lei, Wenfa Xiao, Xiangwen Deng, Lixiong Zeng, Jiangrong Li, Tao Zhang, Changhui Peng & David I. Forrester
Aim: Tree species diversity can increase the stability of ecosystem productivity by increasing mean productivity and/or reducing the standard deviation in productivity. However, stand structure, environmental and socio-economic conditions influence plant diversity and may strongly influence the relationships between diversity and stability in natural forest communities. The relative importance of these factors on community stability remains poorly understood in complex (species-rich) subtropical forests. Location: Subtropical area of southern China. Time period: 1999-2014. Major taxa studied:...

Supplementary material for: Phylogenomic analysis of ultraconserved elements reveals the recent evolutionary radiation of the fairy wrasses (Teleostei: Labridae: Cirrhilabrus)

Yi-Kai Tea, Xin Xu, Joseph DiBattista, Nathan Lo, Peter Cowman & Simon Ho
The fairy wrasses (genus Cirrhilabrus) are among the most captivating and successful of the extant wrasse lineages (Teleostei: Labridae), with their 61 species accounting for nearly 10% of the family. Although species complexes within the genus have been diagnosed on the basis of coloration patterns and synapomorphies, attempts to resolve the evolutionary relationships using molecular and morphological data have largely been unsuccessful. Here we use a phylogenomic analysis of 991 ultraconserved elements (UCEs) and mitochondrial...

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