12 Works

Role of ancient lakes in genetic and phenotypic diversification of freshwater snails

Takahiro Hirano, Takumi Saito, Yoshihiro Tsunamoto, Joichiro Koseki, Larisa Prozorova, Do Tu, Keiji Matsuoka, Katsuki Nakai, Yoshihisa Suyama & Satoshi Chiba
Endemic organisms of ancient lakes have been studied as models to understand processes of speciation and adaptive radiation. However, it remains unclear how ancient lakes play roles in genetic and phenotypic diversity of freshwater mollusks. In the present study, we focus on viviparid freshwater snails in the ancient lakes of East and Southeast Asia (Japan and China) to address this question. Using molecular phylogenetic analyses based on mitochondrial (COI, 16S) and nuclear genes (18S, 28S,...

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...

Highly porous Co-doped NiO nanorods: Facile hydrothermal synthesis and electrocatalytic oxygen evolution properties

Nguyen Duc Cuong, Tien D. Tran, Quyen T. Nguyen, Ho Van Minh Hai, Tran Thai Hoa, Duong Tuan Quang, Wantana Klysubun & Phong D. Tran
Highly porous 3d transition metal oxide nanostructures are opening up the exciting area of oxygen evolution reaction (OER) catalysts in alkaline medium thanks to their good thermal and chemical stability, excellent physiochemical properties, high specific surface area and abundant nanopores. In this paper, highly porous Co-doped NiO nanorods were successfully synthesized by a simple hydrothermal method. The porous rod-like nanostructures were preserved with the added cobalt dopant ranging from 1 to 5 at% but were...

Data from: Genetic structure in village dogs reveals a Central Asian domestication origin

Laura M. Shannon, Ryan H. Boyko, Marta Castelhano, Elizabeth Corey, Jessica J. Hayward, Corin McLean, Michelle E. White, Mounir Abi Said, Baddley A. Anita, Nono Bondjengo Ikombe, Jorge Calero, Ana Galov, Marius Hedimbi, Bulu Imam, Rajashree Khalap, Douglas Lally, Andrew Masta, Kyle C. Oliveira, Lucía Pérez, Julia Randall, Nguyen Minh Tam, Francisco J. Trujillo-Cornejo, Carlos Valeriano, Nathan B. Sutter, Rory J. Todhunter … & Adam R. Boyko
Dogs were the first domesticated species, originating at least 15,000 y ago from Eurasian gray wolves. Dogs today consist primarily of two specialized groups—a diverse set of nearly 400 pure breeds and a far more populous group of free-ranging animals adapted to a human commensal lifestyle (village dogs). Village dogs are more genetically diverse and geographically widespread than purebred dogs making them vital for unraveling dog population history. Using a semicustom 185,805-marker genotyping array, we...

French Global Network of Geomagnetic observatories

The Bureau Central de Magnétisme Terrestre (BCMT) is a French organization founded in 1921 and attached to the Institut de Physique du Globe de Paris (IPGP). Two French institutions are involved in BCMT operations: IPGP and École et Observatoire des Sciences de la Terre de Strasbourg (EOST). The primary mission of the BCMT is to provide ground geomagnetic observations of the highest quality to the scientific community, in France and abroad. To achieve its mission,...

French Global Network of Geomagnetic observatories

The Bureau Central de Magnétisme Terrestre (BCMT) is a French organization founded in 1921 and attached to the Institut de Physique du Globe de Paris (IPGP). Two French institutions are involved in BCMT operations: IPGP and École et Observatoire des Sciences de la Terre de Strasbourg (EOST). The primary mission of the BCMT is to provide ground geomagnetic observations of the highest quality to the scientific community, in France and abroad. To achieve its mission,...

Marine derivatives prevent wMUS81 in silico studies

Son Tung Ngo, Khanh B. Vu, Minh Quan Pham, Nguyen Minh Tam & Tran-Phuong Thao
The winged-helix domain of the methyl methanesulfonate and ultraviolet sensitive 81 (wMUS81) is a potential cancer drug target. In this context, marine fungi compounds were indicated to be able to prevent wMUS81 structure. The work was established via molecular docking, molecular dynamics (MD), and replica exchange molecular dynamics (REMD) simulations. The binding free energy of ligands to wMUS81 was revealed using perturbation simulations. Eight compounds such as D197 (Tryptoquivaline U), D220 (Epiremisporine B), D67 (Aspergiolide...

Bulk and amino acid nitrogen specific isotope data from particulate organic matter and mesozooplankton (1000-2000 µm) from the Mekong River plume and southern South China Sea

Natalie Loick-Wilde, Sarah Weber, Joseph P. Montoya, Melvin Bach, Hai Doan-Nhu, Ajit Subramaniam, Iris Liskow, Lam Nguyen-Ngoc, Dirk Wodarg & Maren Voss
The mean trophic position (TP) of mesozooplankton largely determines how much mass and energy is available for higher trophic levels like fish. Unfortunately, the ratio of herbivores to carnivores in mesozooplankton is difficult to identify in field samples. Here we investigated changes in the mean TP of mesozooplankton in a highly dynamic environment encompassing four distinct habitats in the southern South China Sea: the Mekong River plume, coastal upwelling region, shelf waters, and offshore oceanic...

Data from: Complex longitudinal diversification across South China and Vietnam in Stejneger's pit viper, Viridovipera stejnegeri (Schmidt, 1925) (Reptilia: Serpentes: Viperidae)

Peng Guo, Qin Liu, Fei Zhu, Guang H. Zhong, Xin Chen, Edward A. Myers, Jing Che, Liang Zhang, Thomas Ziegler, Truong Q. Nguyen & Frank T. Burbrink
Viridovipera stejnegeri is one of the most common pit vipers in Asia, with a wide distribution in southern China and Vietnam. We investigated historical demography and explored how the environment and climatic factors have shaped genetic diversity and the evolutionary history of this venomous snake. A total of 171 samples from 47 localities were sequenced and analysed for two mitochondrial gene fragments and three nuclear genes. Gene trees reveal the existence of two well-supported clades...

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...

Data from: Human−geographic effects on variations in the population genetics of Sinotaia quadrata (Gastropoda: Viviparidae) that historically migrated from continental East Asia to Japan

Bin Ye, Takumi Saito, Takahiro Hirano, Zhengzhong Dong, Van Tu Do & Satoshi Chiba
Background: Anthropogenic factors potentially affect observed biogeographical patterns in genetic variations of populations, but the effects of ancient human activities on the original patterns that were created by natural processes are unknown. Sinotaia quadrata, a widely distributed freshwater snail species in East Asia, was used to investigate this issue. It is unclear if S. quadrata in Japan was introduced from China, and how different human uses and varying geographic patterns affect the genetic structure of...

The interplay of color and bioacoustic traits in the differentiation of a Southeast Asian songbird complex

Chyi Yin Gwee, Qiao Le Lee, Simon Mahood, Le Manh Hung, Robert Tizard, Krairat Eiamampai, Philip Round & Frank Rheindt
Morphological traits have served generations of biologists as a taxonomic indicator, and have been the main basis for defining and classifying species diversity for centuries. A quantitative integration of behavioural characters, such as vocalizations, in studies on biotic differentiation has arisen more recently, and the relative importance of these different traits in the diversification process remains poorly understood. To provide a framework within which to interpret the evolutionary interplay between morphological and behavioral traits, we...

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