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GmAP1d regulates flowering time under long-day photoperiods in soybean

The Crop Journal 2024年第3期12卷 845-855页

作者： Shiyu Guo Yanfei Li Hongmei Qiu Guoyu Hu Chaosen Zhao Ruizhen Wang Hao Zhang Yu Tian Xiaoyu Li Bin Liu Ying-hui Li Li-juan Qiu College of agriculture Northeast Agricultural UniversityHarbin 150030HeilongjiangChina State Key Laboratory of Crop Gene Resources and Breeding/The National Key Facility for Crop Gene Resources and Genetic Improvement(NFCRI)/Key Laboratory of Grain Crop Genetic Resources Evaluation and Utilization(MARA) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Jilin Academy of Agricultural Sciences/National Engineering research Center for Soybean Changchun 130033JilinChina Crop research Institute Anhui Academy of Agricultural SciencesHefei 230031AnhuiChina Crops research Institute of Jiangxi Academy of Agricultural Sciences/Jiangxi Province Key Laboratory of Oilcrops Biology Nanchang 330200JiangxiChina Key Lab of Chinese Medicine Resources Conservation State Administration of Traditional Chinese Medicine of the People’s Republic of ChinaInstitute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100193China

Flowering time is important for adaptation of soybean(Glycine max)to different ***,we conducted a genome-wide association study of flowering time using a panel of 1490 cultivated soybean *** identified three strong signals at the qFT02-2 locus(Chr02:12037319–12238569),which were associated with flowering time in three environments:Gongzhuling,Mengcheng,and *** analyzing linkage disequilibrium,gene expression patterns,gene annotation,and the diversity of variants,we identified an AP1 homolog as the candidate gene for the qFT02-2 locus,which we named *** one nonsynonymous polymorphism existed among 1490 soybean accessions at position Chr02:*** carrying the Chr02:12087053-T allele flowered significantly earlier than those carrying the Chr02:12087053-A ***,we developed a cleaved amplified polymorphic sequence(CAPS)marker for the SNP at Chr02:12087053,which is suitable for marker-assisted breeding of flowering *** of GmAP1d in the‘Williams 82’background by gene editing promoted flowering under long-day conditions,confirming that GmAP1d is the causal gene for *** analysis of the region surrounding GmAP1d revealed that GmAP1d was artificially selected during the genetic improvement of *** stepwise selection,the proportion of modern cultivars carrying the Chr02:12087053-T allele has increased,and this allele has become nearly fixed(95%)in northern *** findings provide a theoretical basis for better understanding the molecular regulatory mechanism of flowering time in soybean and a target gene that can be used for breeding modern soybean cultivars adapted to different latitudes.

关键词： Soybean Flowering time GWAS GmAP1d Long-day conditions

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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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Identification of a von Willebrand factor type A protein affecting both grain and flag leaf morphologies in wheat

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Science china Life Sciences 2024年第10期67卷 2283-2286页

作者： Chunyun Zhou Hongchun Xiong Yong Jia Huijun Guo Meiyu Fu Yongdun Xie Linshu Zhao Jiayu Gu Huiyuan Li Yuting Li Peiyong Xin Jinfang Chu Chengdao Li Luxiang Liu State Key Laboratory of Crop Gene Resources and Breeding/National Engineering Laboratory of Crop Molecular Breeding/CAEA research and Development Centre on Nuclear Technology Applications for Irradiation Mutation Breeding Institute of Crop SciencesChinese Academy of Agricultural Sciences Western Crop Genetics Alliance College of ScienceHealthEngineering and EducationMurdoch University National Centre for Plant Gene research Institute of Genetics and Developmental BiologyChinese Academy of Sciences University of Chinese Academy of Sciences

Dear Editor,The world faces unprecedented challenges for crop yield improvement to feed an expanding human population under limited agricultural resources and an increasingly erratic climate(Wheeler and von Braun, 2013). Bread wheat is one of the most widely cultivated cereal crops, with both grain and flag leaf morphologies determining final yield potential(Xie et al., 2015; Zanella et al., 2023). Candidate genes affecting these traits are therefore highly desirable targets for breeding programs.

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Evaluation of in situ spoilage ability of common facultative anaerobic bacteria and confirmation of volatile spoilage markers in vacuum-packaged lamb

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Food Science and Human Wellness 2024年

作者： Xiangyuan Wen Dequan Zhang Su Wang Zhiyuan Xiao Xin Li Debao Wang Wei Yang Chengjun Min Chengli Hou Institute of Food Science and Technology， Chinese Academy of Agricultural Sciences， Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process， Ministry of agriculture and Rural Affairs Institute of Agricultural Product Processing and Nutritional Health， Chinese Academy of Agricultural Sciences (Cangzhou) Sunrise Material Co.， Ltd Jiangyin Beijing Ershang Meat Food Group Co.， Ltd

Microbial growth causes lamb spoilage. This study explored the spoilage ability of Latilactobacillus sakei (L. sakei)， Serratia proteamaculans (S. proteamaculans) and Hafnia proteus (H. proteus) in vacuum-packed raw lamb， including growth ability， degradation of protein and lipid， and change of volatile organic compounds (VOCs) profile， meanwhile screened the key VOCs produced by the targeted strains with meat background excluding， finally confirmed the volatile spoilage marker of vacuum-packaged lamb by comparing with our previous work. The results showed that L. sakei， S. proteamaculans and H. proteus had excellent growth ability. L. sakei inoculated group significantly reduced the pH value， showed higher TCA-soluble peptides content， and excellently degraded sarcoplasmic and myofibrillar proteins. About free amino acids， L. sakei significantly degraded serine， arginine and aspartic acid， while S. proteamaculans and H. proteus significantly degraded serine and lysine. In addition， L. sakei had a strongest effect on promoting free fatty acids production， followed by S. proteamaculans and finally H. proteus. Evaluating from various indicators， the co-culture of the three strains did not have any effect. The key volatiles produced by L. sakei were 1-hexanol， acetic acid and hexanoic aicd， S. proteamaculans were 1-hexanol and acetoin， and H. proteus was 1-hexanol， acetic acid and acetoin. In the end， 1-hexanol， hexanoic acid and acetoin were proven to be spoilage markers for vacuum-packaged and chilled lamb. This study can provide fundamental information for inhibiting and rapid identification of spoilage in vacuum-packaged lamb.

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Spatial compartmentalization and temporal stability of associated microbiota in Pacific oyster Crassostrea gigas

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Journal of Oceanology and Limnology 2024年第4期42卷 1348-1358页

作者： Qiang FU Zichao YU Junyan ZHAO Lei GAO Ning KONG Lingling WANG Linsheng SONG Liaoning Key Laboratory of Marine Animal Immunology and Disease Control Dalian Ocean UniversityDalian 116023China Functional Laboratory of Marine Fisheries Science and Food Production Processes Qingdao National Laboratory for Marine Science and TechnologyQingdao 266237China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519000China Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control Dalian Ocean UniversityDalian 116023China

The Pacific oyster Crassostrea gigas,one of the most exploited molluscs in the world,has suffered from massive mortality in recent decades,and the occurrence mechanisms have not been well *** this study,to reveal the relationship of associated microbiota to the fitness of oysters,temporal dynamics of microbiota in the gill,hemolymph,and hepatopancreas of *** during April 2018-January 2019 were investigated by 16 S rRNA gene *** microbiota in *** exhibited tissue heterogeneity,of which Spirochaetaceae was dominant in the gill and hemolymph while Mycoplasmataceae enriched in the ***-occurrence network demonstrated that the gill microbiota exhibited higher inter-taxon connectivity while the hemolymph microbiota had more *** richness(Chao 1 index)and diversity(Shannon index)of microbial community in each tissue showed no significant seasonal variations,except for the hepatopancreas having a higher richness in the ***,beta diversity analysis indicated a relatively stable microbiota in each tissue during the sampling period,showing relative abundance of the dominant taxa exhibiting temporal *** indicate that the microbial community in *** showed a tissue-specific stability with temporal dynamics in the composition,which might be essential for the tissue functioning and environmental adaption in *** work provides a baseline microbiota in *** and is helpful for the understanding of host-microbiota interaction in oysters.

关键词： Pacific oyster associated microbiota spatial compartmentalization temporal stability

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Effects of combined soluble gas stabilization， modified atmosphere packaging and cold plasma on controlling chilled chicken breasts spoilage

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Food Science and Human Wellness 2024年

作者： Jing Li Chen Xu Yifeng Lu Xiaoming Wang Shuangshuang Jin Yun Bai Xia Wang Xinglian Xu Minyi Han Key Laboratory of Meat Processing and Quality Control， Ministry of Education， Jiangsu Synergetic Innovation Center of Meat Production and Processing， and College of Food Science and Technology， Nanjing Agricultural University Wens Foodstuff Group Co.， Ltd.

The hurdle technology for food preservation effectively addresses the limitations of individual antimicrobial technologies by integrating their strengths. It can not only prolong the storage time of food but also maintains its high quality. In this study， three antimicrobial and bactericidal technologies， namely soluble gas stabilization (SGS)， modified atmosphere packaging (MAP)， and cold plasma (CP)， were applied to chilled chicken breasts. The packaging， total viable count， and physicochemical properties of chilled chicken breasts after treatments and storage at 4℃ were monitored. The microbial diversity at the initial and end points of the storage time of each group was also analyzed. The results indicated that a (3-5) h SGS treatment can effectively increase the proportion of carbon dioxide in the MAP during the storage process of chilled chicken breasts， thereby alleviating the packaging collapse problem. Simultaneously， the effect of SGS， MAP， and CP combinational treatments significantly extended the storage time of chilled chicken breasts while maintaining the physicochemical qualities of samples. Compared to the control group， the total viable count (TVC) of chicken breast treated with SGS， MAP， and CP treatments decreased by 0.58 log CFU/g at 0 d. The shelf life was extended by 5 days. After 8 d， the total volatile basic nitrogen (TVB-N) was 26.67 vs 19.50 mg/100g， thiobarbituric acid reactive substances (TBARS) was 0.99 vs 0.72 mg MDA/kg， and TVC was 8.22 vs 6.52 log CFU/g. High-throughput sequencing results showed that SGS and MAP treatments significantly reduce the proportion of Pseudomonas and Psychrobacter， which are sensitive to carbon dioxide， in the total bacterial genera. This study underscores the potential of integrating multiple antimicrobial technologies for effective food preservation.

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The key role of myostatin b in somatic growth in fishes derived from distant hybridization

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Science china(Life Sciences) 2024年第7期67卷 1441-1454页

作者： Qingfeng Liu Lujiao Duan Bei Li Xuanyi Zhang Fanglei Liu Jianming Yu Yuqin Shu Fangzhou Hu Jingjing Lin Xiaoxia Xiong Shaojun Liu State Key Laboratory of Developmental Biology of Freshwater Fish Hunan Normal UniversityChangsha 410081China College of Life Sciences Hunan Normal UniversityChangsha 410081China

The basic mechanism of heterosis has not been systematically and completely *** previous studies,we obtained three economically important fishes that exhibit rapid growth,WR(WCC♀×RCC♂),WR-Ⅱ(WR♀×WCC♂),and WR-Ⅲ(WR-Ⅱ♀×4nAU♂),through distant ***,the mechanism underlying this rapid growth remains *** this study,we found that WR,WR-Ⅱ,and WR-Ⅲshowed muscle hypertrophy and higher muscle protein and fat contents compared with their parent species(RCC and WCC).Candidate genes responsible for this rapid growth were then obtained through an analysis of 12 muscle ***,the mRNA level of mstnb(myostatin b),which is a negative regulator of myogenesis,was significantly reduced in WR,WR-Ⅱ,and WR-Ⅲcompared with the parent *** verify the function of mstnb,a mstnb-deficient mutant RCC line was generated using the CRISPR-Cas9 *** average body weight of mstnb-deficient RCC at 12 months of age was significantly increased by 29.57%compared with that in wild-type ***,the area and number of muscle fibers were significantly increased in mstnb-deficient RCC,indicating hypertrophy and ***,the muscle protein and fat contents were significantly increased in mstnb-deficient *** molecular regulatory mechanism of mstnb was then revealed by transcription profiling,which showed that genes related to myogenesis(myod,myog,and myf5),protein synthesis(PI3K-AKT-mTOR),and lipogenesis(pparγand fabp3)were highly activated in hybrid fishes and mstnb-deficient *** study revealed that low expression or deficiency of mstnb regulates somatic growth by promoting myogenesis,protein synthesis,and lipogenesis in hybrid fishes and mstnb-deficient RCC,which provides evidence for the molecular mechanism of heterosis via distant hybridization.

关键词： distant hybridization heterosis somatic growth myostatin b genome editing

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Evaluation of the intracellular lipid-lowering effect of polyphenols extract from highland barley in HepG2 cells

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Food Science and Human Wellness 2024年第1期13卷 454-461页

作者： Yijun Yao Zhifang Li Bowen Qin Xingrong Ju Lifeng Wang College of Food Science and Engineering/Collaborative Innovation Centre for Modern Grain Circulation and Safety Nanjing University of Finance and EconomicsNanjing 210023China

Active ingredients from highland barley have received considerable attention as natural products for developing treatments and dietary supplements against *** practical application,the research of food combinations is more significant than a specific food *** study investigated the lipid-lowering effect of highland barley polyphenols via lipase assay in vitro and HepG2 cells induced by oleic acid(OA).Five indexes,triglyceride(TG),total cholesterol(T-CHO),low density lipoprotein-cholesterol(LDL-C),aspartate aminotransferase(AST),and alanine aminotransferase(ALT),were used to evaluate the lipidlowering effect of highland barley *** also preliminary studied the lipid-lowering mechanism by Realtime fluorescent quantitative polymerase chain reaction(q PCR).The results indicated that highland barley extract contains many components with lipid-lowering effects,such as hyperoside and *** vitro,the lipase assay showed an 18.4%lipase inhibition rate when the additive contents of highland barley extract were 100μg/m *** intracellular lipid-lowering effect of highland barley extract was examined using 0.25 mmol/L OA-induced HepG2 *** results showed that intracellular TG,LDL-C,and T-CHO content decreased by 34.4%,51.2%,and 18.4%,*** and AST decreased by 51.6%and 20.7%compared with the untreated hyperlipidemic HepG2 cells.q PCR results showed that highland barley polyphenols could up-regulation the expression of lipid metabolism-related genes such as PPARγand Fabp4.

关键词： Highland barley Polyphenols extract Lipid-lowering effect HepG2 cells

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Contrasting response of rice rhizosphere microbiomes to in situ cadmium-contaminated soil remediation

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Soil Ecology Letters 2024年第2期6卷 149-162页

作者： Zhongyi Cheng Qinyu Han Yan He Jiachun Shi Laosheng Wu Jianming Xu Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment Institute of Soil and Water Resources and Environmental ScienceCollege of Environmental and Resource SciencesZhejiang UniversityHangzhou310058China Key Laboratory of Environment Remediation and Ecological Health Ministry of EducationHangzhou310058China Department of Environmental Sciences University of CaliforniaRiversideCA92521USA

Changes in soil properties and microbial communities regulated rhizosphere protistan assemblages. • Bacterial community was more sensitive to soil amendments than protists and fungi. • Soil amendments trigger the role of specific protistan taxa Cercozoa on microbial interactions. Understanding the responses of different rhizosphere microbial lineages to soil amendments during in situ remediation of Cd-contaminated soil is of great importance in the assessment of the restoration and crop health. Here, we evaluated the effects of lime (LM), biochar (BC), pig manure (PM), and a commercial Mg-Ca-Si conditioner (CMC) on the rice rhizosphere soil physicochemical properties and community assembly of bacteria, fungi, and protists in a six-year consecutive application of soil amendments field trial. Our results indicated that among the four amendments, the BC and CMC had the best efficiency in increasing soil pH, which were 5.2% and 16.2%, respectively. Despite the differences in soil Cd concentrations is not noticeable, all the soil amendment treatments significantly decreased the proportion of available Cd in total Cd compared to the control. Soil amendments significantly altered the diversity of bacterial community, while they had no effect on fungal and protistan communities. Linear discriminant analysis effect size (LEfSe) showed that the bacteria was more sensitive to soil amendment-induced changes. For protists, treatments with LM and BC changed the groups of protistan consumers, while treatments with PM and CMC significantly increased the relative abundances of protistan phototrophs. Co-occurrence network analysis revealed that soil amendments increased microbial network complexity and triggered the role of protists, especially for the predatory protists Cercozoa, on microbial trophic interactions. Further variation partitioning analysis revealed that edaphic properties, bacterial and fungal communities compositions together explained the 77% of the total variation i

关键词： cadmium soil amendments soil protist community microbial interactions

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Interaction Between Ustilaginoidea virens and Rice and Its Sustainable Control

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Rice science 2024年第3期31卷 269-284页

作者： ZHANG Fengmin CAO Zhenzhen ZHENG Xin HE Yuntao CHEN Mingxue LIN Xiaoyan Rice Product Quality Inspection&Supervision Testing Center of Ministry of agriculture and Rural Affairs China National Rice Research InstituteHangzhou 310006China

Ustilaginoidea virens is a common rice pathogen that can easily lead to a decline in rice quality and the production of toxins pose potential risks to human *** this review,we present a comprehensive literature review of research since the discovery of rice false *** provide a comprehensive and,at times,critical overview of the main results and findings from related research,and propose future research ***,we delve into the interaction between *** and rice,including the regulation of transcription factors,the process of *** infecting rice panicles,and the plant immune response caused by rice *** that,we discuss the identification and characterization of mycotoxins produced by the pathogenic fungus,as well as strategies for disease *** emphasize the importance of comprehensive agricultural prevention and control methods for the sustainable management of *** knowledge will update our understanding of the interaction between *** and rice plants,offering a valuable perspective for those interested in ***.

关键词： rice false smut flower-specific infection mycotoxin food safety plant disease

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