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Fine mapping and characterization of stripe rust resistance gene YrAYH in near-isogenic lines derived from a cross involving wheat landrace Anyuehong

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The Crop Journal 2024年第3期12卷 826-835页

作者： Li Long Jue Li Linyu Huang Huiling Jin Fangnian Guan Haipeng Zhang Sasa Zhao Hao Li Zhien Pu Wei Li Qiantao Jiang Yuming Wei Jian Ma Houyang Kang Shoufen Dai Pengfei Qi Qiang Xu Mei Deng Youliang Zheng Yunfeng Jiang Matthew James Moscou Guoyue Chen State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China Sichuan Agricultural UniversityChengdu 611130SichuanChina Triticeae research Institute Sichuan Agricultural UniversityChengdu 611130SichuanChina College of Resources Sichuan Agricultural UniversityChengdu 611130SichuanChina The Sainsbury Laboratory Norwich Research ParkNorwich NR47UHEnglandUK United States Department of Agriculture-agricultural research service Cereal Disease LaboratorySt.PaulMN 55108USA

Stripe rust,caused by Puccinia striiformis ***(Pst),is a devastating disease in wheat *** and characterizing new resistance genes/QTL is crucial for wheat breeding *** this study,we fine-mapped and characterized a stripe rust resistance gene,YRAYH,on chromosome arm 5BL in the Chinese wheat landrace Anyuehong(AYH).Evaluations of stripe rust response to prevalent Chinese Pst races in near-isogenic lines derived from a cross of Anyuehong and Taichung 29 showed that YrAYH conferred a high level of resistance at all growth *** mapping using a large segregating population of 9748 plants,narrowed the YRAYH locus to a 3.7 Mb interval on chromosome arm 5BL that included 61 annotated *** analysis of two NIL pairs identified 64 upregulated differentially expressed genes(DEGs)in the resistant NILs(NILs-R).Annotations indicated that many of these genes have roles in plant disease resistance *** a combined approach of fine-mapping and transcriptome sequencing,we identified a serine/threonine-protein kinase SRPK as a candidate gene underlying YrAYH.A unique 25 bp insertion was identified in the NILs-R compared to the NILs-S and previously published wheat *** InDel marker was developed and co-segregated with *** trait evaluation of the NILs suggested that YrAYH not only reduces the impact of stripe rust but was also associated with a gene that increases plant height and spike length.

关键词： Candidate gene analysis Crop protection Puccinia striiformis Transcriptome analyses

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Application of controlled-release urea increases maize N uptake,environmental benefits and economic returns via optimizing temporal and spatial distributions of soil mineral N

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Pedosphere 2024年第1期34卷 222-235页

作者： Mingxue SUN Juan LI Lili ZHANG Xiaomeng SU Ning LIU Xiaori HAN Songjiang WU Zhentao SUN Xiangdong YANG Institute of agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences/State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China/Key Laboratory of Plant Nutrition and FertilizerMinistry of Agriculture and Rural AffairsBeijing 100081China agricultural Development service Center of Zhuanghe Zhuanghe 116499China agricultural Technology Extension Center Wafangdian 116300China College of Land and Environment Shenyang Agricultural UniversityShenyang 100866China

The creation of controlled-release urea (CRU) is a potent substitute for conventional fertilizers in order to preserve the availability of nitrogen (N) in soil,prevent environmental pollution,and move toward green *** main objectives of this study were to assess the impacts of CRU’s full application on maize production and to clarify the connection between the nutrient release pattern of CRU and maize nutrient *** order to learn more about the effects of CRU application on maize yields,N uptake,mineral N (N_(min)) dynamics,N balance in soil-crop systems,and economic returns,a series of field experiments were carried out in 2018–2020 in Dalian City,Liaoning Province,*** were 4 different treatments in the experiments:no N fertilizer input (control,CK);application of common urea at 210 kg ha^(-1)(U),the ideal fertilization management level for the study site;application of polyurethane-coated urea at the same N input rate as U (PCU);and application of PCU at a 20% reduction in N input rate (0.8PCU).Our findings showed that using CRU (i.e.,PCU and 0.8 PCU) may considerably increase maize N absorption,maintain maize yields,and increase N use efficiency (NUE) compared to *** grain yield showed considerable positive correlations with total N uptake in leaf in U and 0.8 PCU,but negative correlations with that in PCU,indicating that PCU caused excessive maize absorption while 0.8 PCU could achieve a better yield response to N ***,PCU was able to maintain N fertilizer in the soil profile 0–20 cm away from the fertilization point,and higher N_(min)content was observed in the 0–20 cm soil layer at various growth stages,particularly at the middle and late growing stages,optimizing the temporal and spatial distributions of N_(min).Additionally,compared to that in U,the apparent N loss rate in PCU was reduced by 36.2%,and applying CRU (PCU and 0.8 PCU) increased net profit by 8.5% to 15.2% with less labor and fertilization *** was co

关键词： apparent N loss fertilization management green agriculture maize yield N balance N use efficiency

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Effects of flue gas desulfurization gypsum and clover planting on qualities of soil and winter jujube in coastal saline-alkali orchard of north China

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Soil Ecology Letters 2024年第1期6卷 141-152页

作者： Qi Shao Xuejing Xia Guihua Li Hui Li Jitong Lin Yanhong Lou Quangang Yang Hui Wang Zhongchen Yang Hong Pan Yuping Zhuge National Engineering research Centerfor Efficient Utilization of Soil and Fertilizer Resources College of Resources and EnvironmentShandong Agricultural UniversityTai'an271018China Tai'an City Management Comprehensive service Center Tai'an 271021China

Flue gas desulfurization gypsum and clover planting alleviated the soil salinization *** pH and total phosphorus affected the bacterial *** phosphorus affected the fungal *** gas desulfurization gypsum and clover planting improved jujube *** coastal area of Shandong Province,characterized by coastal saline tidal soil,is one of the main production areas of winter jujube in ***,the low soil fertility and poor soil structure in jujube orchard restricted the development of the jujube *** objectives of this study were to 1)evaluate the effect of application of flue gas desulfurization(FGD)gypsum and clover planting on soil quality improvement and soil microbial community structure of jujube orchard;2)investigate the effects of two measures on the nutrition and quality of winter *** results showed that FGD gypsum reduced the soil total salt content by 65.6%,and clover planting increased the soil organic matter content by 30.7%,which effectively alleviated the soil salinization stress and improved the soil *** pH and total phosphorus(TP)were the main determinants influencing bacterial community composition,and TP was the dominant factor of the fungal community composition in the saline-alkali ***,FGD gypsum addition and clover planting significantly increased the sugar degree and Vc content of winter jujube,thus improved jujube quality,and further contributed to the ecological sustainable development of winter jujube industry.

关键词： saline-alkali soils winter jujube bacterial community fungal community fue gas desulfurization gypsum clover planting

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Evolutionary genomics of climatic adaptation and resilience to climate change in alfalfa

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Molecular Plant 2024年第6期17卷 867-883页

作者： Fan Zhang Ruicai Long Zhiyao Ma Hua Xiao Xiaodong Xu Zhongjie Liu Chunxue Wei Yiwen Wang Yanling Peng Xuanwen Yang Xiaoya Shi Shuo Cao Mingna Li Ming Xu Fei He Xueqian Jiang Tiejun Zhang Zhen Wang Xianran Li Long-Xi Yu Junmei Kang Zhiwu Zhang Yongfeng Zhou Qingchuan Yang Institute of Animal Science Chinese Academy of Agricultural SciencesBeijing 100193China National Key Laboratory of Tropical Crop Breeding Shenzhen BranchGuangdong Laboratory of Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518000China School of Grassland Science Beijing Forestry UniversityBeijing 100083China Department of Agronomy and Horticulture University of Nebraska-LincolnLincolnNE 68583USA Department of Crop and Soil Sciences Washington State UniversityPullmanWA 99163USA U.S.Department of Agriculture-agricultural research service Plant Germplasm Introduction and Testing ResearchProsserWA 99350USA National Key Laboratory of Tropical Crop Breeding Tropical Crops Genetic Resources InstituteChinese Academy of Tropical Agricultural SciencesHaikou 571101China

Given the escalating impact of climate change on agriculture and food security,gaining insights into the evolutionary dynamics of climatic adaptation and uncovering climate-adapted variation can empower the breeding of climate-resilient crops to face future climate ***(Medicago sativa ***),the queen of forages,shows remarkable adaptability across diverse global environments,making it an excellent model for investigating species responses to climate *** this study,we performed population genomic analyses using genome resequencing data from 702 accessions of 24 Medicago species to unravel alfalfa’s climatic adaptation and genetic susceptibility to future climate *** found that interspecific genetic exchange has contributed to the gene pool of alfalfa,particularly enriching defense and stress-response *** introgression between *** ***(***)and alfalfa not only aids alfalfa’s climatic adaptation but also introduces genetic burden.A total of 1671 genes were associated with climatic adaptation,and 5.7%of them were introgressions from *** integrating climate-associated variants and climate data,we identified populations that are vulnerable to future climate change,particularly in higher latitudes of the Northern *** findings serve as a clarion call for targeted conservation initiatives and breeding *** also identified preadaptive populations that demonstrate heightened resilience to climate fluctuations,illuminating a pathway for future breeding ***,this study enhances our understanding about the local adaptation mechanisms of alfalfa and facilitates the breeding of climate-resilient alfalfa cultivars,contributing to effective agricultural strategies for facing future climate change.

关键词： Medicago local adaptation population genetics adaptive introgression genetic vulnerability alfalfa breeding

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Genetic diversity of RNA viruses infecting invertebrate pests of rice

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Science China(Life Sciences) 2024年第1期67卷 175-187页

作者： Haoran Wang Shufen Chao Qing Yan Shu Zhang Guoqing Chen Chonghui Mao Yang Hu Fengquan Yu Shuo Wang Liang Lv Baojun Yang Jiachun He Songbai Zhang Liangsheng Zhang Peter Simmonds Guozhong Feng State Key Laboratory of Rice Biology and Breeding China National Rice Research InstituteChinese Academy of Agricultural SciencesHangzhou 311400China State Key Laboratory of agricultural Microbiology College of Life Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China Institute of Plant Protection&Soil Fertilizer Hubei Academy of Agricultural SciencesWuhan 430064China Institute of Plant Protection Guizhou Academy of Agricultural SciencesGuiyang 550000China Institute of Plant Protection Liaoning Academy of Agricultural SciencesShenyang 110161China Sanya agricultural Technology Extension and service Centre Sanya 572000China College of Agriculture Yangtze UniversityJingzhou 434000China Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology Fujian Agriculture and Forestry UniversityFuzhou 350002China Genomics and Genetic Engineering Laboratory of Ornamental Plants College of Agriculture and BiotechnologyZhejiang UniversityHangzhou 310012China Nuffield Department of Medicine Peter Medawar Building for Pathogen ResearchUniversity of OxfordOxford OX13SYUnited Kingdom

Invertebrate species are a natural reservoir of viral genetic diversity,and invertebrate pests are widely distributed in crop ***,information on viruses infecting invertebrate pests of crops is *** this report,we describe the deep metatranscriptomic sequencing of 88 invertebrate samples covering all major invertebrate pests in rice *** identified 296 new RNA viruses and 13 known RNA *** viruses clustered within 31 families,with many highly divergent viruses constituting potentially new families and *** the identified viruses,13 RNA viruses clustered within the Fiersviridae family of bacteriophages,and 48 RNA viruses clustered within families and genera of *** detected known rice viruses in novel invertebrate hosts at high ***,some novel RNA viruses have genome structures closely matching to known plant viruses and clustered within genera of several plant virus *** potential insect pathogenic RNA viruses were detected in invertebrate *** analysis revealed that host taxonomy plays a major role and geographical location plays an important role in structuring viral ***-species transmission of RNA viruses was detected between invertebrate *** identified viral genomes showed extensive variation for invertebrate viral families or ***,the large-scale metatranscriptomic analysis greatly expands our understanding of RNA viruses in rice invertebrate species,the results provide valuable information for developing efficient strategies to manage insect pests and virus-mediated crop diseases.

关键词： invertebrate species metatranscriptome viral diversity viral transmission viral genomes

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Tigris, Euphrates, and Shatt Al-Arab River System: Historic and Modern Attempts to Manage and Restore Iraq’s Lifeline

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Open Journal of Soil Science 2024年第1期14卷 28-63页

作者： Kenneth Ray Olson David R. Speidel College of agricultural Consumer and Environmental Sciences University of Illinois Urbana USA US Army Iraq Mosul Iraq Foreign agricultural service Mahmudiyah Iraq Foreign agricultural service Washington D.C. USA

In Iraq, the principal rivers are the Tigris, Shatt Al-Arab and Euphrates. From their headwater sources in the mountains of eastern Türkiye, these rivers descend through valleys and gorges and flow into the uplands of Syria and northern and central alluvial plain of Iraq. The Euphrates and Tigris Rivers confluence to form the Shatt Al-Arab river at Al-Qurnah which flows into the Persian Gulf. From sources in the Zagros Mountains other tributaries join the Tigris from the east. The Tigris and Euphrates rivers flow in a southeastern direction through the central plain and discharge into the Mesopotamian Marshes, which include permanent marshes, lakes, and riparian habitat. The rivers and their tributaries drain an area of 879,790 km2 which includes almost the entire area of Iraq as well as land in Syria, Türkiye, Kuwait and Iran. The region has historical importance as part of the Fertile Crescent region and where Mesopotamian civilization first emerged. The post war reconstruction efforts in the Yusifiyah township, an important food production region for Baghdad, illustrate the importance of these water resources. In addition, the advent of soil tunnels by Iraqi insurgents within the riverine corridors will make reconstruction of this resource more complex. The primary objectives of this study are to assess lessons learned, manage, and restore the Tigris, Euphrates, and Shatt Al-Arab river system lifeline in Iraq.

关键词： Mesopotamian Shatt Al-Arab Iraq Tigris Euphrates Baghdad Soil Tunnels Yusifiyah

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Combined application of organic fertilizer and chemical fertilizer alleviates the kernel position effect in summer maize by promoting post-silking nitrogen uptake and dry matter accumulation

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Journal of Integrative Agriculture 2024年第4期23卷 1179-1194页

作者： Lichao Zhai Lihua Zhang Yongzeng Cui Lifang Zhai Mengjing Zheng Yanrong Yao Jingting Zhang Wanbin Hou Liyong Wu Xiuling Jia Institute of Cereal and Oil Crops Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Crop Cultivation Physiology and Green Production of Hebei ProvinceShijiazhuang 050035China Hebei Science and Technology Innovation service Center Shijiazhuang 050051China Yongnian agricultural Technology Extension Center Handan 057150China Ningjin agricultural Technology Extension Center Xingtai 055550China

Adjusting agronomic measures to alleviate the kernel position effect in maize is important for ensuring high *** order to clarify whether the combined application of organic fertilizer and chemical fertilizer(CAOFCF)can alleviate the kernel position effect of summer maize,field experiments were conducted during the 2019 and 2020 growing seasons,and five treatments were assessed:CF,100%chemical fertilizer;OFCF1,15%organic fertilizer+85%chemical fertilizer;OFCF2,30%organic fertilizer+70%chemical fertilizer;OFCF3,45%organic fertilizer+55%chemical fertilizer;and OFCF4,60%organic fertilizer+40%chemical *** with the CF treatment,the OFCF1 and OFCF2 treatments significantly alleviated the kernel position effect by increasing the weight ratio of inferior kernels to superior kernels and reducing the weight gap between the superior and inferior *** effects were largely due to the improved filling and starch accumulation of inferior ***,there were no obvious differences in the kernel position effect among plants treated with CF,OFCF3,or OFCF4 in most *** area indexes,post-silking photosynthetic rates,and net assimilation rates were higher in plants treated with OFCF1 or OFCF2 than in those treated with CF,reflecting an enhanced photosynthetic capacity and improved postsilking dry matter accumulation(DMA)in the plants treated with OFCF1 or *** with the CF treatment,the OFCF1 and OFCF2 treatments increased post-silking N uptake by 66.3 and 75.5%,respectively,which was the major factor driving post-silking photosynthetic capacity and ***,the increases in root DMA and zeatin riboside content observed following the OFCF1 and OFCF2 treatments resulted in reduced root senescence,which is associated with an increased post-silking N *** showed that post-silking N uptake,DMA,and grain yield in summer maize were negatively correlated with the kernel position *** conclusion,the combined application of

关键词： chemical fertilizer dry mater accumulation kernel position effect N uptake organic fertilizer

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Prescreening of large-effect markers with multiple strategies improves the accuracy of genomic prediction

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Journal of Integrative Agriculture 2024年第5期23卷 1634-1643页

作者： Keanning Li Bingxing An Mang Liang Tianpeng Chang Tianyu Deng Lili Du Sheng Cao Yueying Du Hongyan Li Lingyang Xu Lupei Zhang Xue Gao Junya LI Huijiang Gao Laboratory of Molecular Biology and Bovine Breeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Shaanxi Key Laboratory of Molecular Biology for Agriculture College of Animal Science and TechnologyNorthwest A&F UniversityYangling712100China College of Computer and Information Engineering Tianjin Agricultural UniversityTianjin 300384China College of Animal Science and Technology Qingdao Agricultural UniversityQingdao 266109China Tongliao Animal Agriculture Development service Center Tongliao 028000China

Presently,integrating multi-omics information into a prediction model has become a ameliorate strategy for genomic selection to improve genomic prediction ***,we set the genomic and transcriptomic data as the training population data,using BSLMM,TWAS,and eQTL mapping to prescreen features according to |β_(b)|>0,top 1%of phenotypic variation explained(PVE),expression-associated single nucleotide polymorphisms(eSNPs),and egenes(false discovery rate(FDR)<0.01),where these loci were set as extra fixed effects(named GBLUP-Fix)and random effects(GFBLUP)to improve the prediction accuracy in the validation population,*** results suggested that both GBLUP-Fix and GFBLUP models could improve the accuracy of longissimus dorsi muscle(LDM),water holding capacity(WHC),shear force(SF),and pH in Huaxi cattle on average from 2.14 to 8.69%,especially the improvement of GFBLUP-TWAS over GBLUP was 13.66%for *** methods also captured more genetic variance than *** study confirmed that multi-omics-assisted large-effects loci prescreening could improve the accuracyofgenomic prediction.

关键词： multi-omics data features prescreening eQTL mapping Huaxi cattle genomic selection

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On-site rapid detection of multiple pesticide residues in tea leaves by lateral flow immunoassay

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Journal of Pharmaceutical Analysis 2024年第2期14卷 276-283页

作者： Junxia Gao Tianyi Zhang Yihua Fang Ying Zhao Mei Yang Li Zhao Ye Li Jun Huang Guonian Zhu Yirong Guo Institute of Pesticide and Environmental Toxicology Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang ProvinceMinistry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and InsectsZhejiang UniversityHangzhou310058China Tea research Institute Chinese Academy of Agricultural SciencesKey Laboratory of Tea Biology and Resources UtilizationMinistry of AgricultureHangzhou310008China Shanghai agricultural Technology Extension service Center Shanghai201103China School of Biological and Chemical Engineering Zhejiang University of Science and TechnologyHangzhou311200China

The application of pesticides (mostly insecticides and fungicides) during the tea-planting process will undoubtedly increase the dietary risk associated with drinking tea. Thus, it is necessary to ascertain whether pesticide residues in tea products exceed the maximum residue limits. However, the complex matrices present in tea samples comprise a major challenge in the analytical detection of pesticide residues. In this study, nine types of lateral flow immunochromatographic strips (LFICSs) were developed to detect the pesticides of interest (fenpropathrin, chlorpyrifos, imidacloprid, thiamethoxam, acetamiprid, carbendazim, chlorothalonil, pyraclostrobin, and iprodione). To reduce the interference of tea substrates on the assay sensitivity, the pretreatment conditions for tea samples, including the extraction solvent, extraction time, and purification agent, were optimized for the simultaneous detection of these pesticides. The entire testing procedure (including pretreatment and detection) could be completed within 30 min. The detected results of authentic tea samples were confirmed by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), which suggest that the LFICS coupled with sample rapid pretreatment can be used for on-site rapid screening of the target pesticide in tea products prior to their market release.

关键词： Lateral flow immunoassay Rapid detection Pesticide multi-residue Tea matrix Sample rapid pretreatment

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A novel histone methyltransferase gene Cg SDG40 positively regulates carotenoid biosynthesis during citrus fruit ripening

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Journal of Integrative Agriculture 2024年第8期23卷 2633-2648页

作者： Jialing Fu Qingjiang Wu Xia Wang Juan Sun Li Liao Li Li Qiang Xu National Key Laboratory for Germplasm Innovation&Utilization of Horticultural Crops College of Horticulture&Forestry ScienceHuazhong Agricultural UniversityWuhan 430070China Hubei Hongshan Laboratory Wuhan 430070China Institute of Horticultural Sciences Jiangxi Academy of Agricultural SciencesNanchang 330200China Plant Breeding and Genetics Section School of Integrative Plant ScienceCornell UniversityNew York 14853USA Robert W.Holley Center for Agriculture and Health USDA-Agricultural Research ServiceCornell UniversityNew York 14853USA

The flesh color of pummelo(Citrus maxima)fruits is highly diverse and largely depends on the level of carotenoids,which are beneficial to human *** is vital to investigate the regulatory network of carotenoid biosynthesis to improve the carotenoid content in ***,the molecular mechanism underlying carotenoid accumulation in pummelo is not fully *** this study,we identified a novel histone methyltransferase gene,CgSDG40,involved in carotenoid regulation by analyzing the flesh transcriptome of typical white-fleshed pummelo,red-fleshed pummelo and extreme-colored F1 hybrids from a segregated pummelo *** of CgSDG40 corresponded to flesh color change and was highly coexpressed with ***,CgSDG40 and CgPSY1 are located physically adjacent to each other on the chromosome in opposite directions,sharing a partially overlapping promoter *** localization analysis indicated that CgSDG40 localizes to the *** of CgSDG40 significantly increased the total carotenoid content in citrus calli relative to that in wild *** addition,expression of CgPSY1 was significantly activated in overexpression lines relative to wild *** together,our findings reveal a novel histone methyltransferase regulator,CgSDG40,involved in the regulation of carotenoid biosynthesis in citrus and provide new strategies for molecular design breeding and genetic improvement of fruit color and nutritional quality.

关键词： pummelo SET domain protein epigenetic regulation PSY1 lycopene fruit quality fruit color

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