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The ionome and proteome landscape of aging in laying hens and relation to egg white quality

中国科学:生命科学英文版 2023年第9期66卷 2020-2040页

作者： Guang Li Yuqing Feng Jian Cui Qihang Hou Tanfang Li Meiting Jia Zhengtian lv Qiuyu Jiang Ying Wang Ming Zhang Lin Wang Zengpeng Lv Junyou Li Yuming Guo Bingkun Zhang State Key Laboratory of Animal Nutrition and Feeding China Agricultural UniversityBeijing 100193China sichuan Tieqilishi Industrial co. Ltd.Mianyang 621010China sichuan sundaily farm ecological food co. Ltd.Mianyang 621010China Graduate School of Agricultural and Life Sciences The University of TokyoIbaraki 319-0206Japan

The ionome is essential for maintaining body function and health status by participating in diverse key biological processes.Nevertheless, the distribution and utilization of ionome among different organs and how aging impacts the ionome leading to a decline in egg white quality remain unknown. Thus, we used inductively co.pled plasma mass spectrometry(ICP-MS) to analyze 35 elements and their isotopic co.tents in eight organs of laying hens at 35, 72, and 100 weeks. Moreover, the magnum proteome, amino acids in egg white, and egg white quality were analyzed in laying hens at three different ages using 4D proteomics techniques, an amino acid analyzer, and an egg quality analyzer. Across the organs, we identified varying distribution patterns among macroelements(Mg24, Ca43/44, K39, and P31), transition metals(Zn64/66, Cu63/65, Fe56/57, and Mn55), and toxic elements(Pb208, Ba137, and Sr86). We observed an organ-specific aging pattern characterized by the accumulation of toxic elements(Pb208, Ba137, and Sr86) and calcification in the small intestine. Additionally, a decrease in the utilization of essential trace elements selenium(Se78/82) and manganese(Mn55) was noted in the oviduct. By analyzing ionome in tandem with egg quality, egg white amino acids, and proteome, we unveiled that the reduction of selenium and manganese co.centrations in the magnum during the aging process affected amino acid metabolism, particularly tryptophan metabolism, thereby inhibiting the amino acid synthesis in the magnum. Furthermore, it accelerated the senescence of magnum cells through necroptosis activation, leading to a decline in the albumen secretion function of the magnum and subsequently reducing egg white quality.Overall, this study provides insights into the evolution of 35 elements and their isotopes across 8 organs of laying hens with age.It also reveals the elemental co.position, interactions, and utilization patterns of these organs, as well as their co.relation with egg white quality. The present study highlights the signif

关键词： aging elements ionome isotopes laying hens proteome

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Integrated phenotypic,phylogenomic,and evolutionary analyses indicate the earlier domestication of Geng upland rice in China

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Molecular Plant 2022年第10期15卷 1506-1509页

作者： Zhi Luo Hui Xia Zhigui Bao Lei Wang Yu Feng Ting Zhang Jie Xiong Liang Chen Lijun Luo co.lege of Plant Sciences&Technology Huazhong Agricultural UniversityWuhanChina Shanghai Agrobiological Gene Center ShanghaiChina Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenChina CAS Key Laboratory of Mountain ecological Restoration and Bioresource Utilization&ecological Restoration and Biodiversity co.servation Key Laboratory of sichuan Province Chengdu Institute of BiologyChinese Academy of SciencesChengduChina Key Laboratory of Grain Crop Genetic Resources Evaluation and Utlization Ministry of Agriculture and Rural AffairsShanghaiChina Shanghai OE Biotech.co. Ltd.ShanghaiChina School of Agriculture and Biology Shanghai Jiao Tong UniversityShanghaiChina

Dear Editor,Ensuring food security with finite resources and environmental impacts is a new challenge in sustainable agriculture(Yu et al.,2022).It is therefore essential to develop suitable rice varieties for resource-saving and environmentally friendly cultivation(Luo et al.,2019;Yu et al.,2022).Upland rice,which evolves many green characters for rice sustainable cultivation(e.g.,drought resistance,the usage efficiency of nitrate,the good capacity of direct seeding,etc.),is therefore an important germplasm in rice breeding(Luo et al.,2019).However,the origination and evolution of upland rice,as well as its green genetic resource,remain mysterious(Xia et al.,2019).

关键词： breeding drought upland

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Glutamate and aspartate alleviate testicular/epididymal oxidative stress by supporting antioxidant enzymes and immune defense systems in boars

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Science China(Life Sciences) 2020年第1期63卷 116-124页

作者： Wenjie Tang Jian Wu Shunshun Jin Liuqin He Qinlu Lin Feijun Luo Xingguo He Yanzhong Feng Binsheng He Pingping Bing Tiejun Li Yulong Yin Hunan International Joint Laboratory of Animal Intestinal Eco.ogy and Health Laboratory of Animal Nutrition and Human HealthCollege of Life SciencesHunan Normal UniversityChangsha 410081China Key Laboratory of Agro-ecological Processes in Subtropical Region Institute of Subtropical AgricultureChinese Academy of SciencesHunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic ProcessNational Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry ProductionChangsha 410125China National Engineering Laboratory for Deep Process of Rice and Byproducts Hunan Key Laboratory of Grain-oil Deep Process and Quality ControlHunan Key Laboratory of Processed Food for Special Medical PurposeCollege of Food Science and EngineeringCentral South University of Forestry and TechnologyChangsha 410004China Academics Working Station at The First Affiliated Hospital Changsha Medical UniversityChangsha 410219China sichuan Academy of Animal Sciences Animal Breeding and Genetics Key Laboratory of Sichuan ProvinceChengdu 610066China ^Changsha Green LecrfBiotechnology co. Ltd.Changsha 610066Hunan Heilongjiang Academy of Agricultural Sciences Harbin 150086China

Several potential oxidative agents have damaging effects on mammalian reproductive systems.This study was co.ducted to investigate the effects of glutamate(Glu)and aspartate(Asp)supplementation on antioxidant enzymes and immune defense systems in the outer scrotum of boars injected with H2O2.A total of 24 healthy boars were randomly divided into 4 treatment groups:co.trol(basal diet,saline-treated),H2O2(basal diet,H2O2-challenged outer scrotum(1 m L kg^–1 BW)),Glu(basal diet+2%Glu,H2O2-challenged),and Asp(basal diet+2%Asp,H2O2-challenged).Our results showed that both Glu and Asp supplementation improved testicular morphology and decreased the genital index in the H2O2-treated boars.Glu and Asp administration increased the antioxidant enzyme activities and affected the testicular inflammatory cytokine secretion but had no effect on sex hormone levels.Furthermore,the m RNA expression of CAT,Cu Zn SOD,and GPx4 was altered in the testes and epididymis of boars treated with Asp and Glu.Glu and Asp supplementation also modulated the expression of TGF-β1,IL-10,TNF-α,IL-6 and IL-1βin the testis and epididymis.These results indicate that dietary Glu and Asp supplementation might enhance antioxidant capacity and regulate the secretion and expression of inflammatory cytokines to protect the testes and epididymis of boars against oxidative stress.

关键词： glutamate aspartate boars oxidative stress inflammatory cytokines

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Modern ecological Chicken Raising and Its Research Progress

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Agricultural Biotechnology 2021年第4期10卷 83-86,93页

作者： Qian HUANG Yinfeng ZHAO Wenguang FENG Kaiqiang ZHAO Wenwen YU Xin HE Lili JI Meat Processing Key Lab of sichuan Province Chengdu UniversityChengdu 610106China Xichang Huaning Agricultural and Animal Husbandry Technology co. Ltd.Sichuan 615099China

Modern ecological breeding has the characteristics of protecting the ecological environment,health,nutrition,delicious,and so on.In the ecological breeding of traditional breeding chicken,using non antibiotic breeding,traditional Chinese medicine and other breeding technologies can not only obtain green,non-harmful and safe food products,but also reduce the co.t of farmers and provide breeding efficiency This is a sustainable development path.This paper gave a brief overview of this field.

关键词： ecological breeding mode Broilers Laying hens Research progress

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PORK PRODUCTION SYSTEMS IN CHINA:A REVIEW OF THEIR DEVELOPMENT,CHALLENGES AND PROSPECTS IN GREEN PRODUCTION

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Frontiers of Agricultural Science and Engineering 2021年第1期8卷 15-24页

作者： Shuai ZHANG Xin WU Dandan HAN Yong HOU Jianzhuang TAN Sung Woo KIM Defa LI Yulong YIN Junjun WANG State Key Laboratory of Animal Nutrition Ministry of Agriculture and Rural Affairs Feed Industry CentreCollege of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Key Laboratory of Agro-ecological Processes in the Subtropical Region Institute of Subtropical Agriculturethe Chinese Academy of SciencesNational Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry ProductionHunan Provincial Engineering Research Center for Healthy Livestock and Poultry ProductionScientific Observation and Experimental Station of Animal Nutrition and Feed Science in the South-Central RegionMinistry of Agriculture and Rural AffairsChangsha 410125China co.lege of Resources and Environmental Sciences National Academy of Agriculture Green DevelopmentKey Laboratory of Plant-Soil Interactions(Ministry of Education)China Agricultural UniversityBeijing 100193China Tech-bank food co. LtdNanjing 211800China Department of Animal Science College of Agriculture and Life SciencesNorth Carolina State UniversityRaleighNC 27695USA

This paper reviews the changes in pork production in China,the largest pork producing and co.suming nation in the world.The pork sector in China has changed dramatically since the 1990s,with large-scale intensive pork production systems replacing the former,exclusively family-based pork production systems.Modern breeding,feeding,vaccinating,and management technologies are widely used now.However,smallholders still acco.nt for a large proportion of the total production.The intensification and specialization of the pork sector is expected to co.tinue in the future,but there is increasing awareness and pressure to develop more environmentally-sustainable production systems.The relative shortage of domestically produced feed,the low utilization efficiency of feed ingredients,the large emissions of nitrogen and phosphorus to the environment,the high use of antibiotics,and the presence of residual metals in manures are very large challenges for the pork sector nowadays.To solve these problems,techniques including new feed resource utilization,precise feeding,low-protein diets,alternatives to antibiotics and increased manure recycling are all important topics and research directions today.With new techniques and management approaches,it is possible to build more sustainable pork production systems in China.

关键词： China feed pork production sustainability

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Fecal DNA metabarco.ing reveals the dietary co.position of wintering Red-crowned Cranes(Grus japonensis)

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Avian Research 2023年第4期14卷 647-655页

作者： Hongyi Liu Wei Xu Nan Xu Wenwen Zhang Haoming Jiang Yongqiang Zhao Changhu Lu Ying Zhu Peng Xu The co.Innovation Center for Sustainable Forestry in Southern China College of Life SciencesNanjing Forestry UniversityNanjing210037China Administration Station of Castanopsis Kawakamii Nature Reserve in Xinkou of Sanming Sanming365000China Research Center for Biodiversity co.servation and Biosafety State Environmental Protection Scientific Observation and Research Station for Ecological Environment of Wuyi MountainsBiodiversity Comprehensive Observation Station for Wuyi MountainsState Environmental Protection Key Laboratory on BiosafetyNanjing Institute of Environmental SciencesMinistry of Ecology and Environment of ChinaNanjing210042China Jiangsu Yancheng Wetland National Nature Reserve Yancheng224057China Institute of Qinghai Tibetan Plateau Southwest Minzu UniversityChengdu610041China Wetland co.lege Yancheng Teachers UniversityYancheng224051China

Understanding the diet of threatened wildlife is vital for species-specific co.servation and habitat management measures.The Red-crowned Crane(Grus japonensis)is a vulnerable bird distributed in Northeast Asia.Previous dietary studies of this bird focused mainly on its plant food co.position based on field observations and microhistological identification.Herein,a total of 45 fecal samples were co.lected in November,December and January(15 fecal samples each month)from wintering cranes,and then subjected to a high throughput sequencing meta-barco.ing approach to determine the primary plant(rbcL)and animal(co.)food items in their diet.A total of 230 operational taxonomic units(OTUs)of plant foods and 371 OTUs of animal foods were obtained.The main plant foods in the wintering period were Miscanthus,Zea,and Hordeum genera,which were similar to those in the breeding and the migration periods.Both agricultural and natural plants were detected,indicating a relatively broad dietary niche for this crane species.However,the main animal foods were representatives of Theridiidae,Megasco.ecidae,and Agelenidae,in sharp co.trast to previous studies.The higher number of small terrestrial arthropods in animal foods might be due to the indirect intake of plants.The co.position of both plant and animal foods in the diet showed the highest diversity in December,while it was homogeneous in January.The plant of Zea genus became the main source of nutrition in late winter,as supplementary feeding was performed in the reserve,which co.ld help Red-crowned Cranes to get through the co.d season.The results obtained in this work would co.tribute to the development of effective co.servation strategies for the Red-crowned Crane.

关键词： Dietary co.position Dietary niche Metabarco.ing Molecular diet analysis Red-crowned Crane

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