45 Works

Data from: Novel amphiphilic polyvinylpyrrolidone (PVP) functionalized silicone particles as carrier for low cost lipase immobilization

Shan Zhang, Qianchun Deng, Ya Li, Mingming Zheng, Chuyun Wan, Chang Zheng, Hu Tang, Fenghong Huang & Jie Shi
The high catalytic activity, specificity and stability of immobilization lipase have been drawn a great interests. How to reduce the cost of support materials has always been a hot topic in this field. Herein, for the development of low-cost immobilized lipase, we demonstrate an amphiphilic polyvinylpyrrolidone (PVP) grafted on silicone particles (SP) surface materials (SP-PVP) with rational design based on interfacial activation and solution polymerization. Meanwhile, the hydrophilic pristine SP and hydrophobic polystyrene-corded silicone particles...

Additive negative effects of decadal warming and nitrogen addition on grassland community stability

Qian Wu, Haiyan Ren, Zhongwu Wang, Zhiguo Li, Yinghao Liu, Zhen Wang, Yuanheng Li, Ruiyang Zhang, Mengli Zhao, Scott X. Chang & Guodong Han
1. Much recent research has explored how global warming and increased nitrogen (N) deposition, two important components of global environmental changes, influence the structure and functioning of natural ecosystems. However, how ecosystem dynamics respond to the combination of long-term warming and N enrichment remains largely unexplored. 2. We investigated the impact of warming and N addition on the temporal stability of plant communities in a decade-long field experiment, conducted in a desert steppe in northern...

Rapid and strong population genetic differentiation and genomic signatures of climatic adaptation in an invasive mealybug

Shu-Jun Wei, Ling Ma, Li-Jun Cao, Ary A. Hoffmann, Ya-Jun Gong, Jin-Cui Chen, Hong-Song Chen, Xu-Bo Wang & Zhong-Shi Zhou
Aim: A growing number of studies suggest that adaptation of invasive species play key roles in their successful establishment in novel environments. However, adaptation of invasive species to climatic conditions remains poorly characterized. This study aimed to understand the population genetic structure produced by the cotton mealybug Phenacoccus solenopsis invasion and to identify preliminary signals of selection during its range expansion. Location: China. Methods: We examined genetic structure of 11 population across China using SNPs,...

Night warming alters mean warming effects on predator-prey interactions by modifying predator demographics and interaction strengths

Gang Ma, Chun-Ming Bai, Volker Rudolf & Chun-Sen Ma
Temperatures are increasing globally, but this increase is not symmetrical: instead, nighttime minimum air temperatures increase faster than daytime maximum temperatures. However, we still know little about when and how this differential increase in maximum vs. minimum air temperatures affects ecological interactions between species. Understanding the connection between different types (night vs day) of warming and interspecific interactions is essential to predict the ecological consequences of climate change for natural ecosystems. Here we used experiments...

Species asynchrony stabilises productivity under extreme drought across Northern China grasslands

Taofeek O. Muraina, Chong Xu, Qiang Yu, Yadong Yang, Minghui Jing, Xiaotong Jia, , Quockhanh Dam, Alan K. Knapp, Scott L. Collins, Yiqi Luo, Wentao Luo, Xiaoan Zuo, Xiaoping Xin, Xingguo Han & Melinda D. Smith
1. Biodiversity can stabilise productivity through different mechanisms, such as asynchronous species responses to environmental variability and species stability. Global changes, like intensified drought, could negatively affect species richness, species asynchrony, and species stability, but it is unclear how changes in these mechanisms will affect stability of aboveground primary productivity (ANPP) across ecosystems. 2. We studied the effects of a 4-year extreme drought on ANPP stability and the underlying mechanisms (species richness, species asynchrony, and...

Bt cotton area contraction drives regional pest resurgence, crop loss, and pesticide use

Yanhui Lu, Kris AG Wyckhuys, Long Yang, Bing Liu, Juan Zeng, Yuying Jiang, Nicolas Desneux, Wei Zhang, Kongming Wu & Kris A. G. Wyckhuys
Genetically-modified crops expressing Bacillus thuringiensis (Bt) proteins have been widely cultivated, permitting an effective non-chemical control of major agricultural pests. While their establishment can enable an area-wide suppression of polyphagous herbivores, no information is available on the impact of Bt crop abandonment in entire landscape matrices. Here, we detail a resurgence of the cosmopolitan bollworm Helicoverpa armigera following a contraction of Bt cotton area in dynamic agro-landscapes over 2007–2019 in North China Plain. An 80%...

Data from: A new digital method of data collection for spatial point pattern analysis in grassland communities

Chao Jiang & Xinting Wang
A major objective of plant ecology research is to determine the underlying processes responsible for the observed spatial distribution patterns of plant species. Plants can be approximated as points in space for this purpose, and thus, spatial point pattern analysis has become increasingly popular in ecological research. The basic piece of data for point pattern analysis is a point location of an ecological object in some study region. Therefore, point pattern analysis can only be...

Regionally divergent drivers of historical diversification in the late Quaternary in a widely distributed generalist species, the common pheasant Phasianus colchicus

Yang Liu, Simin Liu, Edouard Jelen, Mansour Alibadian, Cheng-Te Yao, Xintong Li, Nasrin Kayvanfar, Yutao Wang, Farhad Vahidi, Jianlin Han, Gombobaatar Sundev, Zhengwang Zhang & Manuel Schweizer
Aim: Pleistocene climate and associated environmental changes have influenced phylogeographic patterns of many species. These not only depend on a species’ life history but also vary regionally. Consequently, populations of widespread species that occur in several biomes might display different evolutionary trajectories. We aimed to identify regional drivers of diversification in the common pheasant, a widely distributed ecological generalist. Study location: Asia Taxon: Common pheasant Phasianus colchicus Methods: Using a comprehensive geographic sampling of 204...

Data for: Plasticity and co-variation of root traits govern phosphorus acquisition among 20 wheat genotypes

Hongbo Li, Xin-Xin Wang, Jiaqi Zhang, Hong Wang & Zed Rengel
Trait plasticity (variation of a trait under environmental variability or gradients) and trait integration are both crucial for plant adaption to environmental change. Variations in different suite of root traits such as biomass allocation, morphology and physiology underlie diverse phosphorus (P) acquisition strategies among plants. Yet, how the intraspecific plasticity and integration of root traits influence plant adaptation to different P supply remains obscure. To characterize diverse adaptive strategies in relation to plant P acquisition,...

The transcriptome unigenes of Vicia faba

Chenyu Wang
243,120 unigenes were de novo assembled from flowers and leaves of 102 domestic and foreign broad bean accessions.

Data from: Host interaction analysis of PA-N155 and PA-N182 in chicken cells reveals an essential role of UBA52 for replication of H5N1 avian influenza virus

Qiao Wang, Qinghe Li, Tao Liu, Guobin Chang, Zhihao Sun, Zhao Gao, Fei Wang, Huaijun Zhou, Ranran Liu, Maiqing Zheng, Huanxian Cui, Guohong Chen, Hua Li, Xiaoya Yuan, Jie Wen, Daxin Peng & Guiping Zhao
PA-N155 and PA-N182 proteins were translated from the 11th and 13th start codon AUG of the RNA polymerase acidic protein (PA) mRNA of H5N1 influenza A virus (IAV), which plays an important role in viral replication. Little is known about the interactions between PA-N155 and PA-N182 and the host proteins. This study investigated the interaction landscape of PA-N155 and PA-N182 of H5N1 IAV in chicken cells while their interacting complexes were captured by immunoprecipitation and...

Data from: Crop pests and predators exhibit inconsistent responses to surrounding landscape composition

Daniel S. Karp, Rebecca Chaplin-Kramer, Timothy D. Meehan, Emily A. Martin, Fabrice DeClerck, Heather Grab, Claudio Gratton, Lauren Hunt, Ashley E. Larsen, Alejandra Martínez-Salinas, Megan E. O’Rourke, Adrien Rusch, Katja Poveda, Mattias Jonsson, Jay A. Rosenheim, Nancy A. Schellhorn, Teja Tscharntke, Stephen D. Wratten, Wei Zhang, Aaron L. Iverson, Lynn S. Adler, Matthias Albrecht, Audrey Alignier, Gina M. Angelella, Muhammad Zubair Anjum … & Yi Zou
The idea that noncrop habitat enhances pest control and represents a win–win opportunity to conserve biodiversity and bolster yields has emerged as an agroecological paradigm. However, while noncrop habitat in landscapes surrounding farms sometimes benefits pest predators, natural enemy responses remain heterogeneous across studies and effects on pests are inconclusive. The observed heterogeneity in species responses to noncrop habitat may be biological in origin or could result from variation in how habitat and biocontrol are...

Data from: Molecular analysis of caffeoyl residues related to pigmentation in green cotton fibers

Hongjie Feng, Yonglin Yang, Shichao Sun, Yanjun Li, Lin Zhang, Jingkui Tian, Qianhao Zhu, Zili Feng, Heqin Zhu & Jie Sun
The pigment components in green cotton fibers were isolated and identified as 22-O-caffeoyl-22-hydroxymonodocosanoin and 22-O-caffeoyl-22-hydroxydocosanoic acid. The concentration of 22-O-caffeoyl-22-hydroxymonodocosanoin was correlated positively with the degree of green fibers of color, indicating a role of caffeoyl derivatives in pigmentation of green cotton fibers. Upland cotton (Gossypium hirsutum L.) contains four genes (Gh4CL1 to Gh4CL4) encoding 4-coumarate:CoA ligase (4CL), key enzymes of the phenylpropanoid biosynthesis pathway. In 15 to 24 days-post anthesis fibers, the expression level...

Data from: Insecticides promote viral outbreaks by altering herbivore competition

Huipeng Pan, Evan L. Preisser, Dong Chu, Shaoli Wang, Qingjun Wu, Yves Carrière, Xuguo Zhou & Youjun Zhang
While the management of biological invasions is often characterized by a series of single-species decisions, invasive species exist within larger food webs. These biotic interactions can alter the impact of control/eradication programs and may cause suppression efforts to inadvertently facilitate invasion spread and impact. We document the rapid replacement of the invasive Bemisia MEAM1 cryptic species by the cryptic MED species throughout China, and demonstrate that MED is more tolerant of insecticides and a better...

Data from: Bt rice plants may protect neighbouring non-Bt rice plants against the striped stem borer, Chilo suppressalis

Yaoyu Jiao, Xiaoyun Hu, Yufa Peng, Kongming Wu, Jörg Romeis & Yunhe Li
The area planted with insect-resistant genetically engineered crops expressing Bacillus thuringiensis (Bt) genes has greatly increased in many areas of the world. Given the nearby presence of non-Bt crops (including those planted as refuges) and non-crop habitats, pests targeted by the Bt trait have a choice between Bt and non-Bt crops or weeds, and their host preference may greatly affect insect management and management of pest resistance to Bt proteins. In this study we examined...

Haplotype-resolved genome analyses of a heterozygous diploid potato

Qian Zhou, Chunzhi Zhang, Wu Huang, Zhongmin Yang, Yu Zhang, Die Tang, John P. Hamilton, Richard G. F. Visser, Christian W. B. Bachem, C. Robin Buell, Zhonghua Zhang & Sanwen Huang
Potato (Solanum tuberosum L.) is the most important tuber crop worldwide. An effort is underway to transform the crop from a clonally propagated tetraploid into a diploid seed-propagated, inbred line-based hybrid, which requires a better understanding of its highly heterozygous genome of potato. Here, we report the 1.67 Gb haplotype-resolved assembly of a diploid potato, RH89-039-16, using the combination of multiple sequencing and mapping strategies, including circular consensus sequencing. Comparison of the two haplotypes revealed...

Data from: Livestock overgrazing disrupts the positive associations between soil biodiversity and nitrogen availability

Ling Wang, Manuel Delgado-Baquerizo, Xuan Zhao, Minna Zhang, Yueqing Song, Jinting Cai, Qing Chang, Zhiqiang Li, Ying Chen, Jushan Liu, Hui Zhu, Deli Wang, Guodong Han, Cunzhu Liang, Chengjie Wang & Xiao-Ping Xin
Livestock overgrazing influences both microbial communities and nutrient cycling in terrestrial ecosystems. However, the role of overgrazing in regulating the relationship between soil biodiversity and nitrogen availability remains largely unexplored. We performed long-term grazing exclusion experiments across eight sites along precipitation gradient covering three major types of grassland in northern China to compare the linkage between soil microbial diversity and N availability in overgrazed versus non-grazed conditions. We found a positive association between fungal diversity...

Improved antibacterial activity of hemp fibres by covalent grafting of quaternary ammonium groups

Li Chang, Wenjie Duan, Anguo Chen, Siqi Huang, Huijuan Tang, , Yong Deng, Lining Zhao & Defang Li
In this study, novel antibacterial hemp fibres grafted with quaternary ammonium groups, named HF-GTA, were prepared by alkalisation, oxidation, amination, and quaternisation multistage reactions. The chemical structure and micromorphology of the fibres were characterised by Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, and X-ray diffraction. The grafting and reaction mechanisms were proved to be successful, which indicated that the grafting reaction primarily occurred on the hydroxyl groups of cellulose and hemicellulose...

Feasible carbon-trade model for low-carbon density ecosystem

Xueyan Zhang & Xin Ma
China has set a carbon-neutrality target for 2060; carbon sinks are vital tools to meet this target. China is leading the effort in greening the world through the restoration of low-carbon density ecosystems (LCDEs). The potential carbon sinks of LCDEs provide opportunities for carbon trading projects that make cash benefits accessible to the owners, thereby incentivizing ecosystem restoration. Unfortunately, carbon trading in LCDEs has, to date, been unsuccessful in China. Therefore, it is important to...

Data from: Genome-wide SNP data revealed the extent of linkage disequilibrium, persistence of phase and effective population size in purebred and crossbred buffalo populations

Tingxian Deng, Aixin Liang, Jiajia Liu, Guohua Hua, Tingzhu Ye, Shenhe Liu, Giuseppe Campanile, Graham Plastow, Chunyan Zhang, Zhiquan Wang, Angela Salzano, Bianca Gasparrini, Martina Cassandro, Hasan Riaz, Xianwei Liang, Liguo Yang & Martino Cassandro
Linkage disequilibrium (LD) is a useful parameter for guiding the accuracy and power of both genome-wide association studies (GWAS) and genomic selection (GS) among different livestock species. The present study evaluated the extent of LD, persistence of phase and effective population size (Ne) for the purebred (Mediterranean buffalo; n=411) and crossbred [Mediterranean × Jianghan × Nili-Ravi buffalo, n=9; Murrah × Nili-Ravi × local (Xilin or Fuzhong) buffalo, n=36] buffalo populations using the 90K Buffalo SNP...

Data from: Facilitation by leguminous shrubs increases along a precipitation gradient

Hai-Yang Zhang, Xiao-Tao Lü, Alan K. Knapp, Henrik Hartmann, Edith Bai, Xiao-Bo Wang, Zheng-Wen Wang, Xiao-Guang Wang, Qiang Yu & Xing-Guo Han
Combining nutrient dynamics (plant nutrient uptake and soil fertility) can help uncover mechanisms of shrub-grass interactions and assess the validity of the stress-gradient hypothesis, which predicts that facilitation between plants increases in stressful environments. However, how facilitation via shrub-mediated nutrient increases varies with precipitation is poorly resolved. We first synthesized a global dataset from 66 studies and evaluated how shrubs affected soil organic carbon (C) and nitrogen (N) in grasslands along a precipitation gradient. We...

Data from: Domestication and geographic origin of Oryza sativa in China: insights from multilocus analyses of nucleotide variation of O. sativa and O. rufipogon

Xin Wei, Wei-Hua Qiao, You-Tao Chen, Rong-Sheng Wang, Li-Rong Cao, Wan-Xia Zhang, Nan-Nan Yuan, Zi-Chao Li, Han-Lai Zeng & Qing-Wen Yang
Previous studies have indicated that China is one of the domestication centres of Asian cultivated rice (Oryza sativa), and common wild rice (O. rufipogon) is the progenitor of O. sativa. However, the number of domestication times and the geographic origin of Asian cultivated rice in China are still under debate. In this study, 100 accessions of Asian cultivated rice and 111 accessions of common wild rice in China were selected to examine the relationship between...

Data from: Population variation reveals independent selection towards small body size in Chinese Debao pony

Adiljan Kader, Yan Li, Kunzhe Dong, David M. Irwin, Qianjun Zhao, Xiaohong He, Jianfeng Liu, Yabin Pu, Neena Amatya Gorkhali, Xuexue Liu, Lin Jiang, Xiangchen Li, Weijun Guan, Yaping Zhang, Dong-Dong Wu & Yuehui Ma
Body size, one of the most important quantitative traits under evolutionary scrutiny, varies considerably among species and among populations within species. Revealing the genetic basis underlying this variation is very important, particularly in humans where there is a close relationship with diseases and in domestic animals as the selective patterns are associated with improvements in production traits. The Debao pony is a horse breed with small body size that is unique to China; however, it...

Data from: Night warming on hot days produces novel impacts on development, survival and reproduction in a small arthropod

Fei Zhao, Wei Zhang, Ary A. Hoffmann & Chun-Sen Ma
1. An asymmetric increase of nighttime temperatures on hot days is one of the main features of global climate change. But the biological effects of an increased nighttime temperature combined with high daytime temperature are unclear. 2. We used six thermal regimens to simulate nighttime temperatures on hot days and investigated the effects of night warming on life history traits of the English grain aphid Sitobion avenae. Experimental temperatures fluctuated in continuous diurnal cycles, increasing...

Data from: Light sensing by opsins and fungal ecology: NOP-1 modulates entry into sexual reproduction in response to environmental cues

Zheng Wang, Junrui Wang, Ning Li, Jigang Li, Frances Trail, Jay C. Dunlap & Jeffrey P. Townsend
Understanding the genetic basis of the switch from asexual to sexual lifestyles in response to sometimes rapid environmental changes is one of the major challenges in fungal ecology. Light appears to play a critical role in the asexual–sexual switch—but fungal genomes harbour diverse light sensors. Fungal opsins are homologous to bacterial green-light-sensory rhodopsins, and their organismal functions in fungi have not been well understood. Three of these opsin-like proteins were widely distributed across fungal genomes,...

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