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LAZY4 acts additively with the starch-statolithdependent gravity-sensing pathway to regulate shoot gravitropism and tiller angle in rice

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Plant Communications 2024年第10期5卷 154-165页

作者： Wenguang Wang Linzhou Huang Yuqi Song Songtao Gui Jiajia Cao Han Zhang Mengchen Du Jiaze Chen Zihao Wang Jie Zhou Xiangbing Meng Dali Zeng Jiayang Li Yonghong Wang National key laboratory of Wheat Improvement College of Life SciencesShandong Agricultural UniversityTai’an 271018China Institute of genetics and developmental Biology Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of sciences Beijing 100039China Yazhouwan National laboratory Sanya 572024China college of Advanced Agricultural sciences Zhejiang A&F UniversityHangzhou 311300China

Rice tiller angle is a key agronomic trait that has significant effects on the establishment of a high-yield rice ***,the molecular mechanism underlying the control of rice tiller angle remains to be clar***,we characterized the novel tiller-angle gene LAZY4(LA4)in rice through map-based ***4 encodes a C3H2C3-type RING zinc-finger E3 ligase localized in the nucleus,and an in vitro ubiquitination assay revealed that the conserved RING finger domain is essential for its E3 ligase *** found that expression of LA4 can be induced by gravistimulation and that loss of LA4 function leads to defective shoot gravitropism caused by impaired asymmetric auxin redistribution upon *** analysis demonstrated that LA4 acts in a distinct pathway from the starch biosynthesis regulators LA2 and LA3,which function in the starch-statolith-dependent *** genetic analysis showed that LA4 regulates shoot gravitropism and tiller angle by acting upstream of LA1 to mediate lateral auxin transport upon *** studies reveal that LA4 regulates shoot gravitropism and tiller angle upstream of LA1 through a novel pathway independent of the LA2-LA3-mediated gravity-sensing mechanism,providing new insights into the rice tiller-angle regulatory network.

关键词： auxin shoot gravitropism tiller angle LAZY4 rice

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Integrating phosphorus management and cropping technology for sustainable maize production

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Journal of Integrative Agriculture 2024年第4期23卷 1369-1380页

作者： Haiqing Gong Yue Xiang Jiechen Wu Laichao Luo Xiaohui Chen Xiaoqiang Jiao Chen Chen State key laboratory of Nutrient Use and Management College of Resources and Environmental SciencesCollege of Resources and Environmental SciencesChina Agricultural UniversityBeijing 100193China Department of Sustainable development Environmental Science and Engineering(SEED)KTH Royal Institute of TechnologyStockholm SE-10044Sweden Anhui Province key Lab of Farmland Ecological Conservation and Pollution Prevention School of Resources and EnvironmentAnhui Agricultural UniversityHefei 230036China Ministry of Education key laboratory for Biodiversity Science and Ecological Engineering National Observations and Research Station for Wetland Ecosystems of the Yangtze EstuaryInstitute of Biodiversity Science and Institute of Eco-ChongmingCollege of Life SciencesFudan UniversityShanghai 200438China

Achieving high maize yields and efficient phosphorus(P)use with limited environmental impacts is one of the greatest challenges in sustainable maize *** plant density is considered an effective approach for achieving high maize ***,the low mobility of P in soils and the scarcity of natural P resources have hindered the development of methods that can simultaneously optimize P use and mitigate the P-related environmental footprint at high plant *** this study,meta-analysis and substance flow analysis were conducted to evaluate the effects of different types of mineral P fertilizer on maize yield at varying plant densities and assess the flow of P from rock phosphate mining to P fertilizer use for maize production in China.A significantly higher yield was obtained at higher plant densities than at lower plant *** application of single superphosphate,triple super-phosphate,and calcium magnesium phosphate at high plant densities resulted in higher yields and a smaller environmental footprint than the application of diammonium phosphate and monoammonium *** scenario analyses suggest that combining the optimal P type and application rate with a high plant density could increase maize yield by 22%.Further,the P resource use efficiency throughout the P supply chain increased by 39%,whereas the P-related environmental footprint decreased by 33%.Thus,simultaneously optimizing the P type and application rate at high plant densities achieved multiple objectives during maize production,indicating that combining P management with cropping techniques is a practical approach to sustainable maize *** findings offer strategic,synergistic options for achieving sustainable agricultural development.

关键词： maize plant density mineral phosphorus fertilizer meta-analysis substance flow analysis

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Permafrost carbon cycle and its dynamics on the Tibetan Plateau

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Science China(life sciences) 2024年第9期67卷 1833-1848页

作者： Leiyi Chen Guibiao Yang Yuxuan Bai Jinfeng Chang Shuqi Qin Futing Liu Mei He Yutong Song Fan Zhang Josep Penuelas Biao Zhu Guoying Zhou Yuanhe Yang State key laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China China National Botanical Garden Beijing 100093China college of Environmental and resource sciences Zhejiang UniversityHangzhou 310058China key laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration Ecology and Nature Conservation InstituteChinese Academy of ForestryBeijing 100091China University of Chinese Academy of sciences Beijing 100049China Consejo Superior de Investigaciones Científicas(CSIC) Global Ecology Unit CREAF-CSIC-UAB(Universitat Autònoma de Barcelona)Barcelona 08193Spain Centre for Ecological Research and Forestry(CREAF) Barcelona 08193Spain Institute of Ecology College of Urban and Environmental Sciencesand Key Laboratory for Earth Surface Processes of the Ministry of EducationPeking UniversityBeijing 100871China Northwest Institute of Plateau Biology Chinese Academy of SciencesXining 810008China key laboratory of Tibetan Medicine Research Chinese Academy of SciencesXining 810008China

Our knowledge on permafrost carbon(C)cycle is crucial for understanding its feedback to climate warming and developing nature-based solutions for mitigating climate *** understand the characteristics of permafrost C cycle on the Tibetan Plateau,the largest alpine permafrost region around the world,we summarized recent advances including the stocks and fluxes of permafrost C and their responses to thawing,and depicted permafrost C dynamics within this *** find that this alpine permafrost region stores approximately 14.1 Pg(1 Pg=1015g)of soil organic C(SOC)in the top 3 *** substantial gaseous emissions and lateral C transport occur across this permafrost ***,the mobilization of frozen C is expedited by permafrost thaw,especially by the formation of thermokarst landscapes,which could release significant amounts of C into the atmosphere and surrounding water *** alpine permafrost region nevertheless remains an important C sink,and its capacity to sequester C will continue to increase by *** future perspectives,we would suggest developing long-term in situ observation networks of C stocks and fluxes with improved temporal and spatial coverage,and exploring the mechanisms underlying the response of ecosystem C cycle to permafrost *** addition,it is essential to improve the projection of permafrost C dynamics through in-depth model-data fusion on the Tibetan Plateau.

关键词： permafrost carbon climate change carbon release carbon sink permafrost thaw thermokarst formation

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Protaetia brevitarsis larvae extract ameliorated obesity in high fat diet-fed mice by modulating gut microbiota and lipid metabolism

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Food Science and Human Wellness 2024年

作者： Zong-Qi Zhang Si-Cong Chen Qing-Lei Wang Chun-Qin Liu Jin-Hua Xiao Da-Wei Huang college of life sciences， Nankai University Hebei key laboratory of Soil Entomology， Cangzhou Academy of Agricultural and Forestry sciences

Due to the rapid development of obesity and related metabolic diseases in the world， it is particularly important to explore the ability of novel materials in regulating obesity. In this study， C57BL/6J obese mice were used as objects， and 16S rRNA gene sequencing and lipidomics techniques were used to explore the regulatory effect and mechanism of the P. brevitarsis ethanol extract (50%， v/v) against obesity. Our results showed that P. brevitarsis extract could significantly reduce the body weight， triglyceride (TG)， total cholesterol (TC)， low-density lipoprotein cholesterol (LDL-C)， and pro-inflammatory cytokines (TNF-α， IFN-γ， and IL-6) levels of HFD-fed mice. Moreover， the P. brevitarsis extract changed the composition and relative abundance of its gut microbiota， especially increasing Akkermansia muciniphila. Meanwhile， the content of short-chain fatty acids (SCFAs) was increased， especially acetic acid and butyric acid， which leads to a decrease in the synthesis and accumulation of lipids in the liver. Furthermore， the P. brevitarsis extract also induced the difference in lipid synthesis in the liver by down-regulating the mRNA levels of SREPB-1C， FAS， and ACC. Therefore， this research provided preliminary work and reference for the development of P. brevitarsis as a functional food for anti-obesity.

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GametesOmics:A Comprehensive Multi-omics Database for Exploring the Gametogenesis in Humans and Mice

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Genomics, Proteomics & Bioinformatics 2024年第1期22卷 121-130页

作者： Jianting An Jing Wang Siming Kong Shi Song Wei Chen Peng Yuan Qilong He Yidong Chen Ye Li Yi Yang Wei Wang Rong Li Liying Yan Zhiqiang Yan Jie Qiao State key laboratory of Female Fertility Promotion Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijing 100191China National Clinical Research Center for Obstetrics and Gynecology Peking University Third HospitalBeijing 100191China key laboratory of Assisted Reproduction Ministry of EducationPeking UniversityBeijing 100191China beijing key laboratory of Reproductive Endocrinology and Assisted Reproductive Technology Beijing 100191China Peking-Tsinghua Center for life sciences Peking UniversityBeijing 100871China beijing Advanced Innovation Center for Genomics Beijing 100191China

Gametogenesis plays an important role in the reproduction and evolution of *** transcriptomic and epigenetic alterations in this process can influence the reproductive capacity,fertilization,and embryonic *** rapidly increasing single-cell studies have provided valuable multi-omics ***,data from different layers and sequencing platforms have not been uniformed and integrated,which greatly limits their use for exploring the molecular mechanisms that underlie oogenesis and ***,we develop GametesOmics,a comprehensive database that integrates the data of gene expression,DNA methylation,and chromatin accessibility during oogenesis and spermatogenesis in humans and *** provides a user-friendly website and various tools,including Search and Advanced Search for querying the expression and epigenetic modification(s)of each gene;Tools with Differentially expressed gene(DEG)analysis for identifying DEGs,Correlation analysis for demonstrating the genetic and epigenetic changes,Visualization for displaying single-cell clusters and screening marker genes as well as master transcription factors(TFs),and MethylView for studying the genomic distribution of epigenetic *** also provides Genome Browser and Ortholog for tracking and comparing gene expression,DNA methylation,and chromatin accessibility between humans and *** offers a comprehensive resource for biologists and clinicians to decipher the cell fate transition in germ cell development,and can be accessed at http://***/.

关键词： Gametogenesis Oogenesis Spermatogenesis Transcriptomics Epigenomics

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Comprehensive integration of single-cell transcriptomic data illuminates the regulatory network architecture of plant cell fate specification

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Plant Diversity 2024年第3期46卷 372-385页

作者： Shanni Cao Xue Zhao Zhuojin Li Ranran Yu Yuqi Li Xinkai Zhou Wenhao Yan Dijun Chen Chao He State key laboratory of Pharmaceutical Biotechnology School of Life SciencesNanjing UniversityNanjing 210023China National key laboratory of Crop genetic Improvement Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China

Plant morphogenesis relies on precise gene expression programs at the proper time and position which is orchestrated by transcription factors(TFs)in intricate regulatory networks in a cell-type specific *** we introduced a comprehensive single-cell transcriptomic atlas of Arabidopsis *** atlas is the result of meticulous integration of 63 previously published scRNA-seq datasets,addressing batch effects and conserving biological *** integration spans a broad spectrum of tissues,including both below-and above-ground *** a rigorous approach for cell type annotation,we identified 47 distinct cell types or states,largely expanding our current view of plant cell *** systematically constructed cell-type specific gene regulatory networks and uncovered key regulators that act in a coordinated manner to control cell-type specific gene *** together,our study not only offers extensive plant cell atlas exploration that serves as a valuable resource,but also provides molecular insights into gene-regulatory programs that varies from different cell types.

关键词： Arabidopsis Single cell transcriptome gene regulatory network Data integration Plant cell atlas

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Enhancing growth, liver health, and bile acid metabolism of tilapia(Oreochromis niloticus) through combined cholesterol and bile acid supplementation in plant-based diets

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Animal Nutrition 2024年第2期17卷 335-346页

作者： Jiayuan Jiang Xing Lu Lixue Dong Juan Tian Jianmin Zhang Zhongbao Guo Yongju Luo Zongbin Cui Hua Wen Ming Jiang college of Fisheries and life Science Shanghai Ocean University Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Guangdong Provincial key laboratory of Microbial Culture Collection and Application State Key Laboratory of Applied Microbiology Southern ChinaInstitute of MicrobiologyGuangdong Academy of Sciences Guangxi Institute of Fisheries

The present study aimed to compare the nutritional effects of cholesterol, bile acids, and combination of cholesterol with bile acids in plant-based diets on juvenile genetically improved farmed tilapia(GIFT;Oreochromis niloticus). The isonitrogenous(321 g/kg crude protein) and isolipidic(76 g/kg crude fat) diets(Con diet) were based on plant protein sources, which included corn gluten meal, soybean meal, cottonseed meal and rapeseed meal. The Con diet was supplemented with 12 g/kg cholesterol(CHO diet), 0.2 g/kg bile acids(BAs diet), a combination of 12 g/kg cholesterol and 0.2 g/kg bile acids(CHO-BAs diet),respectively. Each diet was fed to three tanks in an indoor recirculating aquaculture system for 9 *** showed that compared to the Con group, fish had a higher weight gain rate, hepatosomatic index,and a lower feed conversion ratio in the CHO-BAs group. The highest levels of whole-fish fat and ash were found in the Con group. Serum parameters, including activities of alanine aminotransferase(ALT) and aspartate transaminase(AST), along with levels of glucose(GLU) and triglyceride(TG) except for total cholesterol(TCHO), were lower in the CHO, BAs, and CHO-BAs groups than those in the Con group(P liferation. gene expression analysis indicated that the transcriptional levels of bile acid metabolism-related genes(including fxr, fgf19, bsep) were up-regulated in the CHO-BAs group(P genes(acly and hmgcr) were downregulated in both CHO and CHO-BAs groups(P < 0.001). Moreover, UPLC-MS/MS analysis revealed that the higher taurine-conjugated bile acids(T-BAs), followed by free bile acids(Free-BAs) and glycine(G-BAs)were determined in tilapia bile. Among these, taurochenodeoxycholic bile acid was the predominant bile acid. Dietary bile acids supplementation also increased the pr

关键词： Bile acid metabolism Tilapia Plant-based feed Cholesterol Liver health

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Improving landscape connectivity through habitat restoration:application for Asian elephant conservation in Xishuangbanna Prefecture,China

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Integrative Zoology 2024年第2期19卷 319-335页

作者： Bin WAN Wenwen LI Peng LIU Nian YANG Shang CHEN Xianming GUO Bin WANG Li ZHANG key laboratory for Biodiversity Science and Ecological Engineering Ministry of EducationCollege of Life SciencesBeijing Normal UniversityBeijingChina Research Center for Coastal Zone Science and Marine development Strategy First Institute of OceanographyMinistry of Natural ResourcesQingdaoChina School of Biological sciences The University of Hong KongPokfulamHong KongChina Research Institute of Xishuangbanna National Nature Reserve JinghongChina Xishuangbanna Asian Elephant Conservation and Management Center JinghongChina

Habitat restoration is an effective method for improving landscape connectivity,which can reduce habitat *** landscape connectivity could promote connections between habitat,which is extremely essential to preserve gene flow and population *** study proposes a methodological framework to analyze landscape connectivity for Asian elephant habitat conservation,aiming to provide practical options for reducing habitat fragmentation and improving habitat *** approach involved combining a species distribution model using MaxEnt and landscape functional connectivity models using graph theory to assess the impact on connectivity improvement via farmland/plantation restoration as *** results showed that:(1)there were 119 suitable habitat patches of Asian elephant covering a total area of 1952.41 km^(2).(2)The connectivity between habitats improved significantly after vegetation restoration and the gain first decreased and then increased with the increase of dispersal distance.(3)The first few new habitat patches that were identified played an important role in improving connectivity,and the variation rate of connectivity gradually leveled off as the number of new habitats increased.(4)Prioritization of the 25 best new habitat patches increased connectivity from 0.54%to 5.59%as the dispersal distance increased and mainly was located between two Asian elephant distribution regions and two *** of new habitat patches was effective for improving or restoring *** findings can be used as guidance for improving the studied fragmented Asian elephant habitats,and they can also be used as a reference for the habitat restoration of other endangered species heavily affected by habitat fragmentation.

关键词： Asian elephant connectivity habitat restoration habitat suitability landscape graphs

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Strigolactone regulates nitrogen-phosphorus balance in rice

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Science China(life sciences) 2024年第2期67卷 428-430页

作者： Huwei Sun Hanyun Wang Chengcai Chu Guangdong Provincial key laboratory of Plant molecular Breeding College of AgricultureSouth China Agricultural UniversityGuangzhou 510642China key laboratory for Enhancing resource Use Efficiency of Crops in South China Ministry of Agriculture and Rural AffairsSouth China Agricultural UniversityGuangzhou 510642China Guangdong laboratory for Lingnan Modern Agriculture Guangzhou 510642

Phosphorus(P) is one of the essential elements for growth and development of *** agriculture depends heavily on the application of large amounts of fertilizers,including P *** application of P fertilizers causes sever... 详细信息

关键词： pollution phosphorus fertilizers

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Nutrient enrichment driven by canopy rainfall redistribution:Mechanism,quantification,and pattern

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Science China Earth sciences 2024年第5期67卷 1529-1544页

作者： Chuan YUAN Xiaoping YUE Yafeng ZHANG Yu ZHANG Yanting HU Qiang TANG Li GUO Shuai WANG Xingwu DUAN Wenhua XIANG Xiaohua WEI Xiaoyan LI college of Forestry and Biotechnology Zhejiang A&F UniversityHangzhou 311300China Chongqing Jinfo Mountain Karst Ecosystem National Observation and Research Station School of Geographical SciencesSouthwest UniversityChongqing 400715China Shapotou Desert Research and Experiment Station Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China School of Geographical sciences Hebei Normal UniversityShijiazhuang 050024China Faculty of life Science and Technology Central South University of Forestry and TechnologyChangsha 410004China State key laboratory of Hydraulics and Mountain River Engineering College of Water Resource and HydropowerSichuan UniversityChengdu 610065China State key laboratory of Earth Surface Processes and resource Ecology Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China Yunnan key laboratory of Soil Erosion Prevention and Green development Institute of International Rivers and Eco-securityYunnan UniversityKunming 650091China Department of Earth Environmental and Geographic SciencesUniversity of British Columbia(Okanagan)KelownaBritish Columbia V1V 1V7Canada

Vegetation canopies intercept and redistribute rainfall into throughfall and stemflow,which transfer substantial amounts of elements into the soil,influencing soil microbial community,plant survival,and plant community *** advancements in ecohydrological research,the implication of nutrient enrichment resulting from this redistribution of rainfall by canopies remains largely *** address this gap,we conducted a systematic review of 1020 papers published between 2000 and 2022,gathering data on nutrient concentration and enrichment for critical ions(including K^(+),Na^(+),Ca^(2+),Mg^(2+),NH_(4)^(+),Cl^(-),NO_(3)^(-)and SO_(4)^(2-))from the Web of Science and Chinese Knowledge Infrastructure *** aimed to synthesize the mechanisms,quantify the enrichments,and identify global patterns of nutrient enrichment in stemflow and throughfall across climate zones,and vegetation types and *** results of this study indicate that stemflow exhibits,on average,2.1times greater ion concentration(6.13 mg L^(-1))compared to *** particular,among the investigated ions,SO_(4)^(2-)(12.45and 6.32 mg L^(-1))for stemflow and throughfall,respectively,and Cl^(-)(9.21 and 4.81 mg L^(-1))exhibit the highest concentrations in both rainfall redistribution components,while K^(+)(13.7 and 5.8)and Mg^(2+)(5.6 and 2.8)have the highest enrichment *** climate zones,throughfall and stemflow show the lowest ion concentrations but the highest enrichment factors in extremely humid *** the temperature gradient,ion concentrations are the highest in cold climates with no clear patterns observed for enrichment factors with increasing *** addition,shrubs,conifers,mixed forests,and artificial ecosystems demonstrate enrichment factors 1.1 to 3.0 times greater than those of trees,broad-leaved plants,pure forests,and natural *** findings emphasize the need for increased attentions to artificial ecosystems,such as urban

关键词： Ecohydrology Rainfall redistribution Nutrients transport Enrichment characteristics Climate zones

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