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Could the EU carbon border adjustment mechanism promote climate mitigation?An economy-wide analysis

Advances in Climate Change Research 2024年第3期15卷 557-571页

作者： Kun ZHANG Yun-Fei YAO Xiang-Yan QIAN Yu-Fei ZHANG Qiao-Mei LIANG Yi-Ming WEI College of Economics and Management Beijing University of TechnologyBeijing 100124China Center for Energy and Environmental Policy Research Beijing Institute of TechnologyBeijing 100081China School of Management and Economics Beijing Institute of TechnologyBeijing 100081China beijing Key laboratory of Energy Economics and Environmental Management Beijing 100081China Sinopec Research Institute of Petroleum Engineering SinopecBeijing 100101China College of Economics and Management Nanjing Agricultural UniversityNanjing 210095China

Due to concerns about carbon leakage and sectoral competitiveness,the European Union(EU)proposed implementing the carbon border adjustment mechanism(CBAM).The effectiveness and potential negative consequences of CBAM have aroused extensive *** the perspective of the economy-wide analysis,this study uses a global computable general equilibrium model to explore the rationality of CBAM from the aspects of socioeconomic impact and the effects of promoting climate ***,the potential alternative mechanism of CBAM is *** results show that CBAM can reduce the EU's gross domestic product(GDP)loss;however,the GDP loss in all other regions ***,CBAM raises household welfare losses in most regions,including the ***,although CBAM can reduce the marginal abatement cost in eight regions,it comes at the cost of greater economic ***,the economic and household welfare cost of raising emissions reduction targets in regions like the USA and Japan is substantially higher than the impact of passively accepting the CBAM;therefore,CBAM's ability to drive ambitious emission reduction initiatives may be ***,for the potential alternative mechanism,from the perspective of reducing economic cost and household welfare losses,the EU could implement domestic tax cuts in the short-term and promote global unified carbon pricing in the long-term.

关键词： Border adjustment mechanism Computable general equilibrium model Carbon price Climate policy Global carbon pricing

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Phosphorylation of ZmAL14 by ZmSnRK2.2 regulates drought resistance through derepressing ZmROP8 expression

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Journal of Integrative Plant Biology 2024年第7期66卷 1334-1350页

作者： Yalin Wang Jinkui Cheng Yazhen Guo Zhen Li Shuhua Yang Yu Wang Zhizhong Gong State Key laboratory of Plant Environmental Resilience Frontiers Science Center for Molecular Design BreedingCollege of Biological SciencesChina Agricultural UniversityBeijing 100193China Center for Crop Functional Genomics and Molecular Breeding China Agricultural UniversityBeijing 100193China College of Life Sciences Institute of Life Science and Green DevelopmentHebei UniversityBaoding 071002China

Drought stress has negative effects on crop growth and *** of transcription factors that regulate the expression of drought-responsive genes is critical for understanding the transcriptional regulatory networks in response to drought,which facilitates the improvement of crop drought ***,we identified an Alfin-like(AL)family gene ZmAL14 that negatively regulates drought *** of ZmAL14 exhibits susceptibility to drought while mutation of ZmAL14 enhances drought *** abscisic acid(ABA)-activated protein kinase ZmSnRK2.2 interacts and phosphorylates ZmAL14 at T38 *** of ZmSnRK2.2 gene decreases drought resistance of maize.A dehydration-induced Rho-like small guanosine triphosphatase gene ZmROP8 is directly targeted and repressed by *** of ZmAL14 by ZmSnRK2.2 prevents its binding to the ZmROP8 promoter,thereby releasing the repression of ZmROP8 *** of ZmROP8 stimulates peroxidase activity and reduces hydrogen peroxide accumulation after drought ***,our study indicates that ZmAL14 is a negative regulator of drought resistance,which can be phosphorylated by ZmSnRK2.2 through the ABA signaling pathway,thus preventing its suppression on ZmROP8 transcription during drought stress response.

关键词： ZmAL14 drought tolerance transcription factor maize

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qSTA2-2,a novel QTL that contributes to seed starch synthesis in Zea mays L.

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Journal of Integrative Agriculture 2024年第4期23卷 1118-1133页

作者： Minghao Cai Xuhui Li Zhi Liang Jie Wang Delin Li Zhipeng Yuan Riliang Gu Jianhua Wang Li Li State Key laboratory of Maize Bio-breeding/Key laboratory of Crop Heterosis Utilization Ministry of Education/Beijing Innovation Center for Crop Seed Technology/College of Agronomy and BiotechnologyChina Agricultural UniversityBeijing 100193China Institute of Nanfan&Seed Industry Guangdong Academy of ScienceGuangzhou 510316China Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China

The seed storage materials accumulate during seed development,and are essential for seed germination and seedling *** we employed two bi-parental populations of an F2:3 population developed from a cross of improved 220(I220,small seeds with low starch)and PH4CV(large seeds with high starch),as well as recombinant-inbred lines(RILs)of X178(high starch)and its improved introgression line I178(low starch),to identify the genes that control seed storage *** identified a total of 12 QTLs for starch,protein and oil,which explained 3.44-10.79%of the phenotypic *** them,qSTA2-1 identified in F2:3 and qSTA2-2 identified in the RILs partially overlapped at an interval of 7.314-9.554 Mb,and they explained 3.44-10.21%of the starch content variation,so they were selected for further *** mapping of qSTA2-2 with the backcrossed populations of ^(I220)/PH4CV in each generation narrowed it down to a 199.7 kb interval that contains 14 open reading frames(ORFs).Transcriptomic analysis of developing seeds from the near-isogenic lines(NILs)of ^(I220)/PH4CV(BC_(5)F_(2))showed that only 11 ORFs were expressed in 20 days after pollination(DAP)*** of them were upregulated and six of them were downregulated in NIL^(I220),and the differentially expressed genes(DEGs)between NIL^(I220) and NIL^(PH4CV) were enriched in starch metabolism,hormone signal transduction and glycosaminoglycan *** the eleven NIL^(I220) differential expressed ORFs,ORF4(Zm00001d002260)and ORF5(Zm00001d002261)carry 75%protein sequence similarity,both encodes an glycolate oxidase,were the possible candidates of *** analysis and validation indicated that mutation of the qSTA2-2 locus resulted in the dysfunction of ABA accumulation,the embryo/endosperm ratio and the starch and hormone levels.

关键词： QTL mapping seed starch transcriptomic analysis hormone

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Impact of mechanical compaction on crop growth and sustainable agriculture

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Frontiers of agricultural Science and Engineering 2024年第2期11卷 243-252页

作者： Zijian LONG Yifei WANG Baoru SUN Xiaoyan TANG Kemo JIN College of Resources and Environmental Sciences National Academy of Agriculture Green DevelopmentKey Laboratory of Plant–Soil Interactions(Ministry of Education)China Agricultural UniversityBeijing 100193China College of Resources Sichuan Agricultural UniversityChengdu 611130China

With the development of agricultural technology to meet the growing demands of a rapidly increasing population and economic development,intensive agriculture practices have been widely adopted globally. However,this intensification has resulted in adverse consequences for soil structure due to intensified farming activities and increased usage of heavy farm *** particular concern is soil compaction, which leads to the degradation of physical, chemical and biological properties of the soil. Soil compaction negatively impacts crop growth, reduces yields and poses a significant threat to food security and the overall sustainability of agricultural *** these challenges, this review aims to deepen understanding of the factors contributing to soil compaction and to develop effective mitigation strategies. By doing so, it is intended to attenuate the adverse impacts of soil compaction, improve soil structure, increase crop yield and ultimately enhance the sustainability of agricultural practices.

关键词： Soil compaction mechanical compaction bio-tillage agricultural production

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Development of a rapid and efficient system for CR genes identification based on hairy root transformation in Brassicaceae

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Horticultural Plant Journal 2024年第4期10卷 1049-1060页

作者： Wenlin Yu Lu Yang Yuanyuan Xiang Rongde Li Xueqing Zhou Longcai Gan Xianyu Xiang Yunyun Zhang Lei Yuan Yanqing Luo Genze Li Youning Wang Yinhua Chen Peng Chen Chunyu Zhang national Key laboratory of Crop Genetic Improvement and College of Plant Science and Technology Huazhong Agricultural UniversityWuhanHubei 430070China national Key laboratory for Tropical Crop Breeding Sanya Nanfan Research InstituteHainan UniversitySanyaHainan 572025China national Agro-Tech Extension and Service Center Beijing 100125China Industrial Crops Research Institute Yunnan Academy of Agricultural SciencesKunmingYunnan 650221China College ofAgronomy NorthwestA&F UniversityYanglingShaanxi712100China

Many economically important crops and vegetables belonging to the cruciferous family are heavily endangered by clubroot disease caused by Plasmodiophora brassicae *** of clubroot resistant cultivars based on mapping and cloning of resistant genes is commonly regarded as the most cost-effective and efficient way to fight against this *** traditional way of R gene functional validation requires stable transformation that is both time-and *** this study,a rapid and efficient hairy-root transgenic protocol mediated by Agrobacterium rhizogenes was *** transformation positive rate was over 80%in Brassica napus showed by GUS reporter gene and this transformation only took 1/6 of the time compared with stable *** system was applicable to different *** varieties and other cruciferous crops including Brassica rapa and Brassica *** particular,two known CR genes,CRA3.7.1 and CRA8.2.4 were used respectively,as example to show that the system works well for CR gene study combined with subsequent *** infection in *** importantly,it works both in over-expression that led to disease resistance,as well as in RNAi which led to disease susceptible ***,this system can be used in batch-wise identification of CR genes,and also offered the possibility of manipulating key genes within the *** genome that could improve our knowledge on host-pathogen interaction.

关键词： Brassicaceae Agrobacterium rhizogenes Hairy root transformation Clubroot Gene function

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Both host and diet shape bacterial communities of predatory mites

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Insect Science 2024年第2期31卷 551-561页

作者： Hong Yan Endong Wang Guo-Shu Wei Bo Zhang Xuenong Xu Institute of Plant Protection Chinese Academy of Agricultural SciencesBejingChina College of Plant Protection Hebei Agricultural UniversityBaodingHebei ProvinceChina Key laboratory of Natural Enemies Insects Ministry of Agriculture and Rural AffairsBeijingChina

Microbial communities,derived from food,ambient,and inner,can affect host ecological adaption and *** with most phytophagous arthropods,predators may have more opportunities to develop specific microbiota depending on the level of prey *** explore how diet sources affect host microbial communities and vary across predator species,we considered 3 types of predators from Phytoseiidae(Acari:Mesostigmata):polyphagous(Amblyseius orientalis Ehara,Neoseiulus barkeri Hughes,and Amblyseius swirski Athias-Henrio),oligophagous(Neoseiulus californicus McGregor),and monophagous(Phytoseiulus persimilis Athias-Henriot)predatory *** polyphagous species were fed on 2 types of diets,natural prey and alternative *** using 16S rRNA sequencing,we found that diet was the main source of microbiota in predatory mites,while there was no clear pattern affected by prey *** 3 polyphagous predators,host species had a larger impact than prey on microbial *** *** or *** which showed consistency in their microbiota,prey switching significantly affectedβ-diversity of bacterial composition in ***,with 56%of the microbial *** short,our results confirmed the substantial influence of diet on host microbial construction in predatory species,and highlighted species differences in shaping the microbiota which are not necessarily related to prey specialization.

关键词： diet switching feeding habits host-microbial interactions invertebrate microbiota 16S rRNA

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Structural insights into the Oryza sativa cation transporters HKTs in salt tolerance

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Journal of Integrative Plant Biology 2024年第4期66卷 700-708页

作者： Ran Gao Yutian Jia Xia Xu Peng Fu Jiaqi Zhou Guanghui Yang State Key laboratory of Plant Environmental Resilience Frontiers Science Center for Molecular Design BreedingCollege of Biological SciencesChina Agricultural UniversityBeijing 100193China

The high-affinity potassium transporters(HKTs),selectively permeable to either Na^(+)alone or Na^(+)/K^(+),play pivotal roles in maintaining plant Na^(+)/K^(+)*** their involvement in salt tolerance is widely reported,the molecular underpinnings of Oryza sativa HKTs remain *** this study,we elucidate the structures of OsHKT1;1 and OsHKT2;1,representing two distinct classes of rice *** dimeric assembled OsHKTs can be structurally divided into four *** the dimer interface,a half-helix or a loop in the third domain is coordinated by the C-terminal region of the opposite ***,we present the structures of OsHKT1;5 salt-tolerant and salt-sensitive variants,a key quantitative trait locus associated with salt *** salt-tolerant variant of OsHKT1;5 exhibits enhanced Na^(+)transport capability and displays a more flexible *** findings shed light on the molecular basis of rice HKTs and provide insights into their role in salt tolerance.

关键词： HKT salt-tolerant structure

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The infection kinetics and transmission potential of two Guaico Culex viruses in Culex quinquefasciatus mosquitoes

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Virologica Sinica 2024年第2期39卷 228-234页

作者： Ru-Yi Chen Teng Zhao Jing-Jing Guo Feng Zhu Na-Na Zhang Xiao-Feng Li Hai-Tao Liu Fei Wang Yong-Qiang Deng Cheng-Feng Qin College of Bioscience and Bioengineering Jiangxi Agricultural UniversityNanchang330045China State Key laboratory of Pathogen and Biosecurity Beijing Institute of Microbiology and EpidemiologyAMMSBeijing100071China School of Life Sciences Southwest Forestry UniversityKunming650224China

Guaico Culex virus(GCXV)is a newly identified segmented Jingmenvirus from Culex *** in Central and South *** genome of GCXV is composed of four or five single-stranded positive RNA ***,the infection kinetics and transmission capability of GCXV in mosquitoes remain *** this study,we used reverse genetics to rescue two GCXVs(4S and 5S)that contained four and five RNA segments,respectively,in C6/36 *** in vitro characterization revealed that the two GCXVs exhibited comparable replication kinetics,protein expression and viral ***,GCXV RNAs were detected in the bodies,salivary glands,midguts and ovaries of Culex quinquefasciatus at 4–10 days after oral *** addition,two GCXVs can colonize *** eggs,resulting in positive rates of 15%–35%for the second gonotrophic *** conclusion,our results demonstrated that GCXVs with four or five RNA segments can be detected in *** eggs during the first and second gonotrophic cycles after oral infection.

关键词： Guaico Culex virus(GCXV) Jingmenvirus Culex quinquefasciatus Vertical transmission

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TaMYB72 directly activates the expression of TaFT to promote heading and enhance grain yield traits in wheat(Triticum aestivum L.)

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Journal of Integrative Plant Biology 2024年第7期66卷 1266-1269页

作者： Lifen Wu Zhencheng Xie Danping Li Yaoyu Chen Chuan Xia Xiuying Kong Xu Liu Lichao Zhang State Key laboratory of Crop Gene Resources and Breeding Institute of Crop Sciencesthe Chinese Academy of Agricultural SciencesBeijing 100081China State Key laboratory of North china Crop Improvement and Regulation Hebei Sub‐Center for National Maize Improvement CenterCollege of AgronomyHebei Agricultural UniversityBaoding 071001China

Wheat(Triticum aestivum L.)is a staple food for approximately half the global *** the population continues to grow,the demand for high-yielding varieties is increasing(Zorb et al.,2018).Higher yields can be achieved by increasing the number and weight of grains produced and by optimizing heading dates to maximize production in local environments(Sakuma and Schnurbusch,2020).

关键词： heading Wheat yielding

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OsPRMT6a-mediated arginine methylation of OsJAZ1 regulates jasmonate signaling and spikelet development in rice

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Molecular Plant 2024年第6期17卷 900-919页

作者： Kun Dong Fuqing Wu Siqi Cheng Shuai Li Feng Zhang Xinxin Xing Xin Jin Sheng Luo Miao Feng Rong Miao Yanqi Chang Shuang Zhang Xiaoman You Peiran Wang Xin Zhang Cailin Lei Yulong Ren Shanshan Zhu Xiuping Guo Chuanyin Wu Dong-Lei Yang Qibing Lin Zhijun Cheng Jianmin Wan State Key laboratory of Crop Gene Resources and Breeding National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China State Key laboratory for Crop Genetics and Germplasm Enhancement Nanjing Agricultural UniversityNanjing 210095China

Although both protein arginine methylation(PRMT)and jasmonate(JA)signaling are crucial for regulating plant development,the relationship between these processes in the control of spikelet development remains *** this study,we used the CRISPR/Cas9 technology to generate two OsPRMT6a loss-of-function mutants that exhibit various abnormal spikelet ***,we found that OsPRMT6a can methylate arginine residues in JA signal repressors OsJAZ1 and *** showed that arginine methylation of OsJAZ1 enhances the binding affinity of OsJAZ1 with the JA receptors OsCOI1a and OsCOI1b in the presence of JAs,thereby promoting the ubiquitination of OsJAZ1 by the SCF^(OsCOI1a/OsCOI1b) complex and degradation via the 26S *** process ultimately releases OsMYC2,a core transcriptional regulator in the JA signaling pathway,to activate or repress JA-responsive genes,thereby maintaining normal plant(spikelet)***,in the osprmt6a-1 mutant,reduced arginine methylation of OsJAZ1 impaires the interaction between OsJAZ1 and OsCOI1a/OsCOI1b in the presence of *** a result,OsJAZ1 proteins become more stable,repressing JA responses,thus causing the formation of abnormal spikelet ***,we discovered that JA signaling reduces the OsPRMT6a mRNA level in an OsMYC2-dependent manner,thereby establishing a negative feedback loop to balance JA *** further found that OsPRMT6a-mediated arginine methylation of OsJAZ1 likely serves as a switch to tune JA signaling to maintain normal spikelet development under harsh environmental conditions such as high ***,our study establishes a direct molecular link between arginine methylation and JA signaling in rice.

关键词： protein arginine methylation jasmonate signaling negative feedback loop spikelet development adaptation to heat stress rice

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