15 Works

Biocontrol potential of a novel endophytic bacterium from Mulberry (Morus) tree

Marine Vallet & Yongqi Shao
Mulberry (Morus) is an economically important woody tree that is suitable for use in sericulture as forage and in medicine. However, this broad-leaved tree is facing multiple threats ranging from phytopathogens to insect pests. Here, a Gram-positive, endospore-forming bacterium (ZJU1) was frequently isolated from healthy mulberry plants by screening for foliar endophytes showing antagonism against pathogens and pests. Whole-genome sequencing and annotation resulted in a genome size of 4.06 Mb and classified the bacterium as...

Data from: The preparation and characterization of uniform nanoporous structure on glass

Lei Wang, Likai Li, Youbo Liu, Hao Jin, Qingwen Tang, Wei Sun, Deren Yang, Hui Cai & Shuxian Wang
A novel fabrication method of uniform porous structures on the glass surface is proposed. The hydrofluoric acid fog formed by air-jet atomization etches the glass surface to fabricate nanoporous structure (NPS) on glass surface. This NPS shows the enhanced average light transmittance of ~92.9% and the superhydrophilic property with a contact angle less than 1° which presents an excellent anti-fog property. Passivated by fluorosilane, the NPS shows nearly the superhydrophobic property with a contact angle...

Rest-task modulation of fMRI-derived global signal topography is mediated by transient co-activation patterns

Jianfeng Zhang, Zirui Huang, Shankar Tumati & Georg Northoff
Recent resting-state fMRI studies have revealed that the global signal (GS) exhibits a non-uniform spatial distribution across the gray matter. Whether this topography is informative remains largely unknown. We therefore tested rest-task modulation of global signal topography by analyzing static global signal correlation and dynamic co-activation patterns in a large sample of fMRI dataset (n=837) from the Human Connectome Project. The GS topography in the resting-state and in seven different tasks was first measured by...

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...

Data from: Patterns of genotype variation and demographic history in Lindera glauca (Lauraceae), an apomict-containing dioecious forest tree

Shanshan Zhu, Hans-Peter Comes, Ichiro Tamaki, Ya-Nan Cao, Shota Sakaguchi, Zhao-Yan Yap, Yan-Qian Ding & Ying-Xiong Qiu
Aim: The historical circumstances promoting the transition from sexual to apomictic reproduction in dioecious plant species remains poorly understood. Here, we investigated the divergence and demographic history of Lindera glauca, a dioecious tree considered to be facultatively apomictic in China while comprising only females (obligate apomicts) in Japan. Location: East Asia (China and Japan) Methods: Samples from 42 populations were genotyped using chloroplast DNA and nuclear microsatellite (nSSR) loci to assess genetic diversity and structure....

Synthesis of Bi2S3 thin films based on pulse-plating bismuth nanocrystallines and its photoelectrochemical properties

Guochen Zhao, Fangchang Ding, Qiujin Wang, Shaofei Zhou, Ying Ye & Reza Ghomashchi
The solubility of Bi3+ in aqueous solution is an important factor that limits the fabrication of high quality Bi2S3 thin films. In order to find a low–cost method to manufacture high quality Bi2S3 thin films, we are reporting the preparation of the Bi2S3 thin films based on pulse-plating method in this paper for the first time. The nano-bismuth particles were obtained by electroplating on fluorine doped SnO2 (FTO) coated conducting glass substrates with saturated bismuth...

Large losses of ammonium-nitrogen from a rice ecosystem under elevated CO2

Lei Cheng, Chenchao Xu, Kaihang Zhang, Wanying Zhu, Jing Xiao, Chen Zhu, Naifang Zhang, Fangjian Yu, Shuyao Li, Chunwu Zhu, Qichao Tu, Xin Chen, Jianguo Zhu, Shuijin Hu, Roger T Koide & Mary K Firestone
Inputs of nitrogen into terrestrial ecosystems, mainly via the use of ammonium-based fertilizers in agroecosystems, are enormous, but its fate under elevated atmospheric carbon dioxide (CO2) is not well understood. We have taken advantage of a 15-year free air CO2 enrichment study to investigate the influence of elevated CO2 on the transformation of ammonium-nitrogen in a rice ecosystem in which ammonium is usually assumed to be stable under anaerobic conditions. We demonstrate that elevated CO2...

Cost-effectiveness analysis of cetuximab combined with chemotherapy as a first-line treatment for RAS wild-type metastatic colorectal cancer patients based on the TAILOR trial

Huijuan Wang, Lingfei Huang, Peng Gao, Zhengyi Zhu, Weifeng Ye, Haiying Ding & Luo Fang
Objectives Cetuximab plus leucovorin, fluorouracil, and oxaliplatin (FOLFOX-4) is superior to FOLFOX-4 alone as a first-line treatment for patients with RAS wild-type metastatic colorectal cancer (wt mCRC), with significantly improved survival benefit by TAILOR, an open-label, randomized, multicentre, phase III trial. Nevertheless, the cost-effectiveness of these two regimens remains uncertain. The following study aims to determine whether cetuximab combined with FOLFOX-4 is a cost-effective strategy for specific RAS wt mCRC patients in China. Design A...

Choice consequences: salinity preferences and hatchling survival in the mangrove rivulus fish (Kryptolebias marmoratus)

Shelly C. McCain, Sydney Kopelic, Thomas M. Houslay, Alastair J. Wilson, Huanda Lu & Ryan L. Earley
In heterogeneous environments, mobile species should occupy habitats in which their fitness is maximized. Mangrove rivulus fish inhabit mangrove ecosystems where salinities range from 0 to 65 ppt, but are most often collected at ∼25 ppt. We examined the salinity preference of mangrove rivulus in a lateral salinity gradient, in the absence of predators and competitors. Fish could swim freely for 8 h throughout the gradient with chambers containing salinities ranging from 5 to 45...

An empirical evaluation of camera trap study design: how many, how long, and when?

Roland Kays, Brian Arbogast, Megan Baker-Whatton, Chris Beirne, Hailey Boone, Mark Bowler, Santiago Burneo, Michael Cove, Ping Ding, Santiago Espinosa, André Gonçalves, Christopher Hansen, Patrick Jansen, Joseph Kolowski, Travis Knowles, Marcela Lima, Joshua Millspaugh, William McShea, Krishna Pacifici, Arielle Parsons, Brent Pease, Francesco Rovero, Fernanda Santos, Stephanie Schuttler, Douglas Sheil … & Wilson Spironello
1. Camera traps deployed in grids or stratified random designs are a well-established survey tool for wildlife but there has been little evaluation of study design parameters. 2. We used an empirical subsampling approach involving 2225 camera deployments run at 41 study areas around the world to evaluate three aspects of camera trap study design (number of sites, duration and season of sampling) and their influence on the estimation of three ecological metrics (species richness,...

Activation of astrocytes in hippocampus decreases fear memory through adenosine A1 receptors

Yan-Qin Yu, Yulan Li, Lixuan Li, Jintao Wu, Zhenggang Zhu, Xiang Feng, Liming Qin, Yuwei Zhu, Zilong Qiu & Shumin Duan
Astrocytes respond to and regulate neuronal activity, yet their role in mammalian behavior remains incompletely understood. Especially unclear is whether, and if so how, astrocyte activity regulates contextual fear memory, the dysregulation of which leads to pathological fear-related disorders. We generated GFAP-ChR2-EYFP rats to allow the specific activation of astrocytes in vivo by optogenetics. We found that after memory acquisition within a temporal window, astrocyte activation disrupted memory consolidation and persistently decreased contextual but not...

The artificial-liver blood-purification system can effectively improve hypercytokinemia for COVID-19

Jing Guo, He Xia, Shuting Wang, Liang Yu, Huafen Zhang, Jun Chen, Ding Shi, Yanfei Chen, Yan Zhang, Xiaowei Xu, Kaijin Xu, Jifang Sheng, Yunqing Qiu & Lanjuan Li
Since December 2019, the outbreak of Coronary Virus Disease 2019 (COVID-19) occurred in Wuhan, and rapidly spread across the country, and the world. As the number of diagnoses and deaths continues to rise, this has become the focus of international public health. COVID-19 is highly contagious, and there is no effective treatment. New treatment strategies are urgently needed to improve the treatment success rate of severe and critically ill patients. Increasing evidence has shown that...

Amblyanthus chenii, a new species and generic record from Xizang, China

Zhuo Zhou, Yong-Jie Guo, Ji-Pei Yue, Hong-Liang Chen, Yun-Hong Tan & Hang Sun
Amblyanthus chenii (Primulaceae; Myrsinoideae), a new species discovered growing in the understory of primeval forests in Medog County, southeast Xizang, China, is described based on morphological evidence. This is also the first generic record of Amblyanthus in China. The new species is most similar morphologically to A. multiflorus based on its axillary inflorescence and connate filament, but it differs in its 2-4 cm long condensed panicle and up to half adnation of its sepals and...

Predicting reservoir hosts based on early SARS-CoV-2 samples and analyzing later world-wide pandemic

Qian Guo, Mo Li, Chunhui Wang, Jinyuan Guo, Xiaoqing Jiang, Jie Tan, Peihong Wang, Shufang Wu, Tingting Xiao, Man Zhou, Zhencheng Fang, Yonghong Xiao & Huaiqiu Zhu
The SARS-CoV-2 pandemic has raised the concern for reservoir hosts of the virus since the early-stage outbreak. To address this problem, we proposed a deep learning method, DeepHoF, based on extracting the viral genomic features, to calculate the infection likelihoods and further predict the probable hosts of novel viruses. Overcoming the limitation of sequence similarity-based methods, DeepHoF was applied to the analysis of SARS-CoV-2 in the 2020 pandemic. Using the isolates sequenced in the earliest...

Physiological adaptations to sugar-mimic alkaloids: insights from Bombyx mori for long-term adaption and short-term response

Shunze Jia, Yinghui Li, Xiangping Dai, Zhihua Hao, Xiaotong Li, Yanyan Zhou, Yusong Xu & Huabing Wang
Plant-insect interaction is a dynamic system, insects evolved adaptive plasticity to minimize the effects of the chemical defenses of their host plants. Nevertheless, the expressional response and adaptation of phytophagous specialists for long-term adaption and short-term response to host phytochemicals remains largely unexplored. The mulberry (Morus alba) -silkworm (Bombyx mori) interaction is an old and well-known model of plant-insect interaction. In this study, we examined the long-term adaption and short-term response of the mulberry-specialist silkworm...

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