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  1. Article ; Online: Transcriptional regulation of secondary metabolism and autophagy genes in response to DNA replication stress in Setosphaeria turcica

    Ya-nan MENG / Xin-jie ZHANG / Fan-li ZENG / Wei-bo ZHAI / Pan LI / Jing-jing HU / Sheng-lin XIAO / Zhi-min HAO / Zhi-yan CAO / Chuan CHEN / Jin-gao DONG

    Journal of Integrative Agriculture, Vol 22, Iss 4, Pp 1068-

    2023  Volume 1081

    Abstract: The fungal pathogen Setosphaeria turcica causes northern corn leaf blight (NCLB), which leads to considerable crop losses. Setosphaeria turcica elaborates a specialized infection structures called appressorium for maize infection. Previously, we ... ...

    Abstract The fungal pathogen Setosphaeria turcica causes northern corn leaf blight (NCLB), which leads to considerable crop losses. Setosphaeria turcica elaborates a specialized infection structures called appressorium for maize infection. Previously, we demonstrated that the S. turcica triggers an S-phase checkpoint and ATR (Ataxia Telangiectasia and Rad3 related)-dependent self-protective response to DNA genotoxic insults during maize infection. However, how the regulatory mechanism works was still largely unknown. Here, we report a genome wide transcriptional profile analysis during appressorium formation in the present of DNA replication stress. We performed RNA-Seq analysis to identify S. tuicica genes responsive to DNA replication stress. In the current work, we found that appressorium-mediated maize infection by S. turcica is significantly blocked by S-phase checkpoint. A large serial of secondary metabolite and melanin biosynthesis genes were blocked in appressorium formation of S. turcica during the replication stress. The secondary metabolite biosynthesis genes including alcohol dehydrogenase GroES-like domain, multicopper oxidase, ABC-transporter families, cytochrome P450 and FAD-containing monooxygenase were related to plant pathogen infection. In addition, we demonstrated that autophagy in S. turcica is up-regulated by ATR as a defense response to stress. We identified StATG3, StATG4, StATG5, StATG7 and StATG16 genes for autophagy were induced by ATR-mediated S-phase checkpoint. We therefore propose that in response to genotoxic stress, S. turcica utilizes ATR-dependent pathway to turn off transcription of genes governing appressorium-mediated infection, and meanwhile inducing transcription of autophagy genes likely as a mechanism of self-protection, aside from the more conservative responses in eukaryotes.
    Keywords Setosphaeria turcica ; appressorium ; secondary metabolite ; autophagy ; DNA replication stress ; Agriculture (General) ; S1-972
    Language English
    Publishing date 2023-04-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: How Network Topologies Impact Project Alliance Performance

    Xin-Jie Zhang / Yong Tang / Jason Xiong / Wei-Jia Wang / Yi-Cheng Zhang

    Entropy, Vol 21, Iss 9, p

    Evidence from the Movie Industry

    2019  Volume 859

    Abstract: In many industries, partners are interconnected in project alliances that have limited lifespans and clearly-defined boundaries. The transparency of the movie industry provides a unique opportunity to study how alliance network topologies impact the ... ...

    Abstract In many industries, partners are interconnected in project alliances that have limited lifespans and clearly-defined boundaries. The transparency of the movie industry provides a unique opportunity to study how alliance network topologies impact the performance of project alliances from the perspectives of social networks and organization theories. In this work, we compiled a massive movie dataset and constructed alliance networks for both movie production and distribution companies. Using the box office as the proxy for the financial performance of a movie project alliance, this research investigates how the two alliance networks impact the box office. We introduce the social network properties of degrees, centralities, and structural holes as alliance network variables into empirical regression models. The results show that alliance networks have a significant influence on the box office. The degrees of production companies and the structural holes of distribution companies are especially important to achieve success in the box office. The results add new evidence for the study of the movie economy and alliance networks. Meanwhile, this work also provides implications for the movie industry by revealing that it is essential to wisely choose partners that are appropriately embedded in alliance networks for the success of a movie project.
    Keywords social network analysis ; sociophysics ; movie project ; box office ; alliance network ; centrality ; structural holes ; Science ; Q ; Astrophysics ; QB460-466 ; Physics ; QC1-999
    Subject code 650
    Language English
    Publishing date 2019-09-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Dynamics of Cooperation in Minority Games in Alliance Networks

    Xin-Jie Zhang / Yong Tang / Jason Xiong / Wei-Jia Wang / Yi-Cheng Zhang

    Sustainability, Vol 10, Iss 12, p

    2018  Volume 4746

    Abstract: Alliance networks are the underlying structures of social systems in business, management, and society. The sustainability and dynamics of a social system rely on the structural evolutions of the topologies. Understanding the evolution sheds light on the ...

    Abstract Alliance networks are the underlying structures of social systems in business, management, and society. The sustainability and dynamics of a social system rely on the structural evolutions of the topologies. Understanding the evolution sheds light on the dynamics and sustainability of a social system. Minority game models have been successfully applied across social science, economy, management, and engineering. They provide simple yet applicable modeling to articulate the evolutionary cooperation dynamics of competitive players in binary decision situations. By extending the minority games played in alliance networks, the cooperation in structured systems of different network topologies is analyzed. In this model, local and global score strategies are considered with and without cooperation rewiring options. The cooperation level, the score, and the topological properties are investigated. The research uses a numerical simulation approach on random networks, scale-free networks, and small-world networks. The results suggest that the network rewiring strategy leads to higher systemic performance with a higher score and a higher level of stability in decision-making. Competitive decision-making can lead to a higher level of cooperation from a poor initial start. However, stubbornness in decision-making can lead to a poor situation when cooperation is discouraged. Players with local or global information adopt local and global score strategies. The results show that local strategies might lead to imbalance, while a global strategy might achieve a relatively stable outcome. This work contributes to bridge minority games in structured networks to study the cooperation between formation and evolution, and calls for future minority game modeling on social networks.
    Keywords cooperation ; evolutionary game ; minority game ; social network ; agent-based systems ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
    Subject code 650
    Language English
    Publishing date 2018-12-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: Negative relationship between diversity and productivity under plant invasion

    Wu, Ai-Ping / Fei-Fei He / Jian Liu / Xiao-Di Duan / Xin-Jie Zhang / Yan-Hong Wang / Yue Liu / Zi-Yan Qian

    Ecological research. 2018 Sept., v. 33, no. 5

    2018  

    Abstract: The relationship between diversity and productivity of plant community under plant invasion has been not well known up to now. Here, we investigated the relationship between diversity and productivity under plant invasion and studied the response of ... ...

    Abstract The relationship between diversity and productivity of plant community under plant invasion has been not well known up to now. Here, we investigated the relationship between diversity and productivity under plant invasion and studied the response of species level plant mass to species richness in native and invaded communities. A field experiment from 2008 to 2013 and a pot experiment in 2014 were conducted to study the effects of plant invasion on the relationship between diversity and productivity and the response of species level plant mass to species richness in native and invaded communities. The community level biomass was negatively correlated to plant species richness in invaded communities while the same relationship was positive in native communities. The species level plant mass of individual species responded differently to overall plant species richness in the native and invaded communities, namely, most of the species’ plant mass increased in native communities, but decreased in invaded communities with increasing species richness. The complementarity or selection effects might dominate in native communities while competition effects might dominate in invaded communities. Accordingly, the negative relationship between diversity and productivity under plant invasion is highlighted in our experiments.
    Keywords biomass ; ecological invasion ; field experimentation ; species diversity
    Language English
    Dates of publication 2018-09
    Size p. 949-957.
    Publishing place Springer Japan
    Document type Article
    ZDB-ID 233459-8
    ISSN 1440-1703 ; 0912-3814
    ISSN (online) 1440-1703
    ISSN 0912-3814
    DOI 10.1007/s11284-018-1600-6
    Database NAL-Catalogue (AGRICOLA)

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