33 Works

Data from: Different phylogenetic and environmental controls of first-order root morphological and nutrient traits: evidence of multidimensional root traits

Ruili Wang, Qiufeng Wang, Ning Zhao, Zhiwei Xu, Xianjin Zhu, Cui Jiao, Guirui Yu, Nianpeng He & Cuicui Jiao
1. Although fine roots are essential for the water and nutrient uptake of plants, there is limited understanding of root trait variation and the underlying mechanism. 2. Here, six first-order root morphological and chemical traits were measured for 181 species from eight subtropical and boreal forests to test the hypothesis of different phylogenetic and environmental regulations of root morphological and nutrient traits result in the multidimensions of root traits. 3. Two independent root trait dimensions...

Data from: Worldwide patterns of ancestry, divergence, and admixture in domesticated cattle

Jared Egan Decker, Stephanie D. McKay, Megan M. Rolf, JaeWoo Kim, Antonio Molina Alcalá, Tad S. Sonstegard, Olivier Hanotte, Anders Götherström, Christopher M. Seabury, Lisa Praharani, Masroor Ellahi Babar, Luciana Correia De Almieda Regitano, Mehmet Ali Yildiz, Michael P. Heaton, Wan-Sheng Liu, Chu-Zhao Lei, James M. Reecy, Muhammad Saif-Ur-Rehman, Robert D. Schnabel & Jeremy F. Taylor
The domestication and development of cattle has considerably impacted human societies, but the histories of cattle breeds have been poorly understood especially for African, Asian, and American breeds. Using genotypes from 43,043 autosomal single nucleotide polymorphism markers scored in 1,543 animals, we evaluate the population structure of 134 domesticated bovid breeds. Regardless of the analytical method or sample subset, the three major groups of Asian indicine, Eurasian taurine, and African taurine were consistently observed. Patterns...

Data from: Removal of Cr6+ ions from water by electricosorption on modified activated carbon fibre felt

Xinkun Zhao, Bingxin Jia, Qianqian Sun, Gao-Jie Jiao, Lili Liu, Diao She & Gaojie Jiao
Electrosorption is a novel desalination technique that has many advantages in the treatment of sewage. However, commercially available activated carbon electrodes for electrosorption commonly have low microporosity, poor molding performance, and low adsorption and regeneration efficiency. Here we evaluated a novel adsorbent material, activated carbon fiber felt (ACFF), for electrosorption of chromium ions (Cr6+) in sewage treatment. The ACFF was modified with 20% nitric acid and its modified structure was characterized. The modified ACFF was...

Revisiting the evolution of Ostrinia moths with phylogenomics (Pyraloidea: Crambidae: Pyraustinae)

Zhaofu Yang, David Plotkin, Jean-François Landry, Caroline Storer & Akito Kawahara
Reconstructing a robust phylogenetic framework is key to understanding the ecology and evolution of many economically important taxa. The crambid moth genus Ostrinia contains multiple agricultural pests, and its classification and phylogeny has remained controversial due to the paucity of characters and the lack of clear morphological boundaries for its species. To address these issues, we inferred a molecular phylogeny of Ostrinia using a phylogenomic dataset containing 498 loci and 115,197 nucleotide sites and examined...

Multilocus evidence provides insight into the demographic history and asymmetrical gene flow between Ostrinia furnacalis and Ostrinia nubilalis (Lepidoptera: Crambidae) in the Yili area, Xinjiang, China

Bing Li
Tianshan Mountain provides a model for studying biological evolution and speciation. Here we assess the evolutionary history of the Ostrinia furnacalis and Ostrinia nubilalis, which are sympatric in the Yili River Valley in Xinjiang, China. Our study is based on the historical gene flow analyses of two species by using three mitochondrial DNA (mtDNA, COI & COII & Cytb) and four nuclear DNA (nuDNA, EF-1α & Wingless & RPS5 & CAD) markers obtained from representatives...

Data from: A DNA barcode library for North American Pyraustinae (Lepidoptera: Pyraloidea: Crambidae)

Zhaofu Yang, Jean-François Landry & Paul D. N. Hebert
Although members of the crambid subfamily Pyraustinae are frequently important crop pests, their identification is often difficult because many species lack conspicuous diagnostic morphological characters. DNA barcoding employs sequence diversity in a short standardized gene region to facilitate specimen identifications and species discovery. This study provides a DNA barcode reference library for North American pyraustines based upon the analysis of 1589 sequences recovered from 137 nominal species, 87% of the fauna. Data from 125 species...

Data from: Relative effects of segregation and recombination on the evolution of sex in finite diploid populations

Xiaoqian Jiang, Shaojun Hu, Qi Xu, Yujun Chang & Shiheng Tao
The mechanism of reproducing more viable offspring in response to selection is considered as a major factor influencing the advantages of sex. In diploids, sexual reproduction combines genotype by recombination and segregation. Theoretical studies of sexual reproduction have investigated the advantage of recombination in haploids. However, the potential advantage of segregation in diploids is less studied. The present study aimed to quantify the relative contribution of recombination and segregation to the evolution of sex in...

Microsatellite-based analysis of genetic structure and gene flow of Mythimna separata (Walker) (Lepidoptera: Noctuidae) in China

Mei-Mei Li, Bo‐Liao Li, Shi‐Xiong Jiang, Yu‐Wan Zhao, Xiang‐Li Xu & Jun‐Xiang Wu
The oriental armyworm, Mythimna separata, is a serious agricultural pest in China. Seasonal and roundtrip migration has recently led to sudden, localized outbreaks and crop losses. To evaluate genetic differentiation between populations in eastern and western China and elucidate gene flow, the genetic structure of 20 natural populations from nine provinces was examined using seven microsatellite markers. The results indicated high genetic diversity. However, little to moderate (0 < FST < 0.15) genetic differentiation was...

Data from: Extremophile Poeciliidae: multivariate insights into the complexity of speciation along replicated ecological gradients

Rüdiger Riesch, Michael Tobler, Hannes Lerp, Jonas Jourdan, Tess Doumas, Patrik Nosil, R. Brian Langerhans & Martin Plath
Background: Replicate population pairs that diverge in response to similar selective regimes allow for an investigation of (a) whether phenotypic traits diverge in a similar and predictable fashion, (b) whether there is gradual variation in phenotypic divergence reflecting variation in the strength of natural selection among populations, (c) whether the extent of this divergence is correlated between multiple character suites (i.e., concerted evolution), and (d) whether gradual variation in phenotypic divergence predicts the degree of...

ArsR transcriptional regulator mediated attenuated mechanism by regulating self and outer membrane protein in Brucella

Wang Aihua
The ArsR family transcriptional regulators are widely distributed in microorganisms, including in the important intracellular pathogen Brucella. ArsR proteins are implicated in numerous biological processes. However, the specific roles of ArsR family members in Brucella remain obscure. Here we show that ArsR3 (BSS2_RS07325) is required for Brucella survival both under stress in vitro conditions and in a murine infection model in vivo. ArsR3 autoregulate its own expression to maintain metal ion homeostasis to benefit bacterial...

Data from: Importance of latrine communication in European rabbits shifts along a rural–to–urban gradient

Madlen Ziege, David Bierbach, Svenja Bischoff, Anna-Lena Brandt, Mareike Brix, Bastian Greshake, Stefan Merker, Sandra Wenninger, Torsten Wronski & Martin Plath
BACKGROUND: Information transfer in mammalian communication networks is often based on the deposition of excreta in latrines. Depending on the intended receiver(s), latrines are either formed at territorial boundaries (between-group communication) or in core areas of home ranges (within-group communication). The relative importance of both types of marking behavior should depend, amongst other factors, on population densities and social group sizes, which tend to differ between urban and rural wildlife populations. Our study is the...

Data from: Are pollinators the agents of selection on flower colour and size in irises?

Daniel Souto-Vilarósa, Ana Vuleta, Sanja Manitašević Jovanović, Sanja Budečević, Hui Wang, Yuval Sapir & Eric Imbert
Plant-pollinator interactions are believed to play a major role in the evolution of floral traits. Flower colour and flower size are important for attracting pollinators, directly influencing reproduction, and thus expected to be under pollinator-mediated selection. Pollinator-mediated selection is also proposed to play a role in maintaining flower colour polymorphism within populations. However, pigment concentrations, and thus flower colour, are also under selective pressures independent of pollinators. We quantified phenotypic pollinator-mediated selection on flower colour...

Data from: Morphological and biological characterization of a light-colored mutant in the multicolored Asian lady beetle, Harmonia axyridis

Yuanxing Sun, Yanan Hao, Yu Yan, Yi Zhang, Yi Feng, Tongxian Liu, Yuan-Xing Sun, Ya-Nan Hao & Tong-Xian Liu
1. Insect cuticle color formed with melanin pigments has numerous types of mutants which usually cause pleiotropic effects. Melanism has been widely studied, but mutants with light-colored phenotype as well as the consequent fitness changes have rarely been reported. 2. Here, in the laboratory strain of Harmonia axyridis, we found a novel mutant gr and confirmed that the mutation was inherited in a simple Mendelian autosomal recessive manner. This mutant (HAM) continuously displayed a light-colored...

Data from: Sensory trait variation contributes to biased dispersal of threespine stickleback in flowing water

Yuexin Jiang, Catherine L. Peichel, Fei Ling, Daniel I. Bolnick, Z. Rizvi, S. Thompson, V. V. Palivela & L. Torrance
Gene flow is widely thought to homogenize spatially separate populations, eroding effects of divergent selection. The resulting theory of ‘migration-selection balance’ is predicated on a common assumption that all genotypes are equally prone to dispersal. If instead certain genotypes are disproportionately likely to disperse, then migration can actually promote population divergence. For example, previous work has shown that threespine stickleback (Gasterosteus aculeatus) differ in their propensity to move up- or down-stream (‘rheotactic response’), which may...

Data from: Correlated divergence of female and male genitalia in replicated lineages with ongoing ecological speciation

Ryan Greenway, Rachel McNemee, Alexander Okamoto, Martin Plath, Lenin Arias‐Rodriguez, Michael Tobler & Lenin Arias-Rodriguez
Divergence of genital traits among lineages has the potential to serve as a reproductive isolating barrier when copulation, insemination, or fertilization are inhibited by incompatibilities between female and male genitalia. Despite widespread evidence for genital trait diversity among closely related lineages and coevolution of female and male genitalia within lineages, few studies have investigated genital evolution during the early stages of speciation. We quantified genital variation in replicated population pairs of Poecilia mexicana with ongoing...

Traumatic mating increases anchorage of mating male and reduces female remating duration and fecundity in a scorpionfly species

Xin Tong, Peng-Yang Wang, Mei-Zhuo Jia, Bao-Zhen Hua & Randy Thornhill
Traumatic mating is the male wounding his mate during mating using specialized anatomy. However, why males have evolved to injure their mates during mating remains poorly understood. We studied the traumatic mating and copulatory wounding of the mate’s genitalia by the male in the scorpionfly Dicerapanorpa magna to determine its effects on male and female fitness. The results showed that the sharp teeth on the male gonostyli penetrate the female genitalia and cause copulatory wounds,...

Intraspecific trait variation and species turnover mediate grazing impacts on above- and below-ground functional trait composition of plant communities

Chaonan Wang, Xiang Li, Jiacheng Qin, Yang Wang, Xiaoming Lu, Peizhi Yang & Yongfei Bai
Although grazing has significant impacts on plant functional traits and community composition in grasslands, few studies have simultaneously explored how plant above- and below-ground traits and community functional composition respond to grazing. Using a grazing manipulation experiment with seven levels of grazing intensity (0, 1.5, 3.0, 4.5, 6.0, 7.5, and 9 sheep ha-1) in the Inner Mongolia grassland, we partitioned the roles of intraspecific trait variation (ITV) and species turnover underlying the grazing induced changes...

Trade-off between vegetation type, soil erosion control and surface water in global semi-arid regions: A meta-analysis

Gao-Lin Wu, Yi-Fan Liu, Zeng Cui, Yu Liu, Zhi-Hua Shi, Rui Yin & Paul Kardol
Soil erosion control and water resource protection can closely interact during restoration of terrestrial ecosystems. In semi‐arid ecosystems, an urgent issue is how vegetation restoration can achieve the goal of soil erosion mitigation and water conservation, which in turn, feeds back to ecosystem functioning. We reviewed 78 articles from 22 countries in semi‐arid areas to evaluate the effects of vegetation type (i.e. forest, grassland and scrubland) on runoff and sediment yields across different environmental conditions...

Expression Analysis and Functional Characterization of CER1 Family Genes Involved in Very-LongChain Alkanes Biosynthesis in Brachypodium distachyon

Li Quan & Hongqi Wu
Cuticular wax accumulation and composition affects drought resistance in plants. Brachypodium distachyon plants subjected to water deficit and polyethylene glycol treatments resulted in a significant increase in total wax load, in which very-long-chain (VLC) alkanes were more sensitive to these treatments than other wax compounds, implying that VLC alkanes biosynthesis plays a more important role in drought resistance in B. distachyon. ECERIFERUM1 (CER1) has been reported to encode a core enzyme involved in VLC alkanes...

RNA-seq analysis reveals the role of Omp16 during Brucella infected RAW264.7 cells

Aihua Wang
Brucellosis is an endemic zoonotic infectious disease in the majority developing country that causes huge economic losses. As immunogenic and protective antigens at the surface of Brucella spp, outer membrance proteins (Omps) are particularly attractive for developing vaccine and could have more relevant role in host-pathogen interactions. Omp16, a homologue to peptidoglycan-associated lipoproteins (pals), is essential for Brucella survival in vitro. At present, the functions of Omp16 has been poorly studies. Here, the gene expression...

Revealing the roles of DnaA on the biological characteristics of Brucella and the inflammatory response to Brucella

Wang Aihua
The Brucella cell cycle, including chromosomal replication and cell division, is coordinated with the virulence of the bacteria. DnaA, a chromosomal replication initiator protein, is an essential regulator of cell cycle progression and is tightly regulated both temporally and spatially because it is activated only once per cell cycle in bacteria. Although DnaA exists in many bacteria, the role of DnaA during Brucella infection, with the exception of its induction of the initiation of chromosome...

Data from: Unique evolutionary trajectories in repeated adaptation to hydrogen sulphide-toxic habitats of a neotropical fish (Poecilia mexicana)

Markus Pfenninger, Simit Patel, Lenin Arias-Rodriguez, Barbara Feldmeyer, Rüdiger Riesch & Martin Plath
Replicated ecological gradients are prime systems to study processes of molecular evolution underlying ecological divergence. Here, we investigated the repeated adaptation of the neotropical fish Poecilia mexicana to habitats containing toxic hydrogen sulphide (H2S) and compared two population pairs of sulphide-adapted and ancestral fish by sequencing population pools of >200 individuals (Pool-Seq). We inferred the evolutionary processes shaping divergence and tested the hypothesis of increase of parallelism from SNPs to molecular pathways. Coalescence analyses showed...

Data from: Nonlinearity of root trait relationships and the root economics spectrum

Deliang Kong, Junjian Wang, Huifang Wu, Oscar J. Valverde-Barrantes, Ruili Wang, Hui Zeng, Paul Kardol, Haiyan Zhang & Yulong Feng
The root economics spectrum (RES), a common hypothesis postulating a tradeoff between resource acquisition and conservation traits, is being challenged by conflicting relationships between root diameter, tissue density (RTD) and root nitrogen concentration (RN). Here, we analyze a global trait dataset of absorptive roots for over 800 plant species. For woody species (but not for non-woody species), we find nonlinear relationships between root diameter and RTD and RN, which stem from the allometric relationship between...

Geographical and temporal variation of multiple paternity in invasive mosquitofish (Gambusia holbrooki, Gambusia affinis)

Jiancao Gao, Francesco Santi, Linjun Zhou, Xiaoqin Wang, Rüdiger Riesch & Martin Plath
Multiple paternity (MP) increases offspring’s genetic variability, which could be linked to invasive species’ evolvability in novel distribution ranges. Shifts in MP can be adaptive, with greater MP in harsher/colder environments or towards the end of the reproductive season, but climate could also affect MP indirectly via its effect on reproductive life histories. We tested these hypotheses by genotyping N = 2,903 offspring from N = 306 broods of two closely related livebearing fishes, Gambusia...

Data from: Root elemental composition in Chinese forests: implications for biogeochemical niche differentiation

Ning Zhao, Hui Liu, Qiufeng Wang, Ruili Wang, Zhiwei Xu, Cui Jiao, Jianxing Zhu, Guirui Yu, Nianpeng He, Huiming Liu & Cuicui Jiao
1. Trait-based community analysis provides a new approach to integrate functional ecology with community ecology. However, our understanding of the linkages between root chemical traits and community chemical diversity and assembly is still in its infancy. 2. Environmental filtering and niche differentiation are two opposite driving forces of community assembly based on deterministic niche processes. We hypothesize that environmental filtering is a strong driver of root chemical assembly at a large spatial scale, whereas biogeochemical...

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  • North West Agriculture and Forestry University
  • Chinese Academy of Sciences
  • Royal Holloway University of London
  • Texas A&M University
  • Shenyang Agricultural University
  • Florida International University
  • Northeast Normal University
  • Swedish University of Agricultural Sciences
  • Goethe University Frankfurt
  • Universidad Juárez Autónoma de Tabasco