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Staying hungry:a roadmap to harnessing central regulators of symbiotic nitrogen fixation under fluctuating nitrogen availability

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aBIOTECH 2024年第1期5卷 107-113页

作者： Lijin Qiao Jieshun Lin Takuya Suzaki Pengbo Liang State Key Laboratory of plant Environmental Resilience College of Biological SciencesChina Agricultural UniversityBeijingChina MOA Key Laboratory of Soil Microbiology Rhizobium Research CenterChina Agricultural UniversityBeijingChina Department of Molecular biology and Genetics Aarhus UniversityAarhusDenmark Faculty of life and Environmental Sciences University of TsukubaTsukubaIbarakiJapan Tsukuba plant-Innovation Research center University of TsukubaTsukubaIbarakiJapan

Legumes have evolved specific inventions to enhance nitrogen(N)acquisition by establishing symbiotic interactions with N-fixing rhizobial *** symbiotic N fixation is energetically costly,legumes have developed sophisticated mechanisms to ensure carbon-nitrogen balance,in a variable environment,both locally and at the whole plant level,by monitoring nodule number,nodule development,and nodular nitrogenase activity,as well as controlling nodule *** of the autoregulation of nodulation and regulation of nodulation by nodule inception(NIN)and NIN-LIKE PROTEINs(NLPs)have provided great insights into the genetic mechanisms underlying the nitrateinduced regulation of root nodulation for adapting to N availability in the ***,many aspects of N-induced pleiotropic regulation remain to be fully explained,such as N-triggered senescence in mature *** et *** that this process is governed by a transcriptional network regulated by NAC-type transcription *** and dissection of these soybean nitrogenassociated NAPs(SNAPs)transcription factor-mastered networks have yielded a roadmap for exploring how legumes rewire nodule functions across a range of N levels,laying the foundation for enhancing the growth of N-deprived crops in agricultural settings.

关键词： Symbiotic nitrogen fixation N-adapted nodulation Nodule senescence NIN NLPs SNAPs

Perenniality:From model plants to applications in agriculture

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Molecular plant 2024年第1期17卷 141-157页

作者： Bo Zhao Jia-Wei Wang National Key Laboratory of plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences(CEMPS)Institute of Plant Physiology and Ecology(SIPPE)Chinese Academy of Sciences(CAS)Shanghai 200032China School of life Science and Technology ShanghaiTech UniversityShanghai 201210China Key Laboratory of plant Carbon Capture CASShanghai 200032China New Cornerstone Science Laboratory Shanghai 200032China

To compensate for their sessile nature,plants have evolved sophisticated mechanisms enabling them to adapt to ever-changing *** such prominent feature is the evolution of diverse life history strategies,particularly such that annuals reproduce once followed by seasonal death,while perennials live longer by cycling growth *** intrinsic phenology is primarily genetic and can be altered by environmental *** evolutionary transitions between annual and perennial life history strategies are common,perennials account for most species in nature because they survive well under year-round *** proportion,however,is reversed in ***,perennial crops promise to likewise protect and enhance the resilience of agricultural ecosystems in response to climate *** significant endeavors that have been made to generate perennial crops,progress is slow because of barriers in studying perennials,and many developed species await further *** findings in model species have illustrated that simply rewiring existing genetic networks can lead to lifestyle *** implies that engineering plant life history strategy can be achieved by manipulating only a few key *** this review,we summarize our current understanding of genetic basis of perenniality and discuss major questions and challenges that remain to be addressed.

关键词： perenniality developmental plasticity flowering time poplar Arabis alpina perennial crops life history strategy

AtVQ25 promotes salicylic acid-related leaf senescence by fine-tuning the self-repression of AtWRKY53

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Journal of Integrative plant biology 2024年第6期66卷 1126-1147页

作者： Qi Tan Mingming Zhao Jingwei Gao Ke Li Mengwei Zhang Yunjia Li Zeting Liu Yujia Song Xiaoyue Lu Zhengge Zhu Rongcheng Lin Pengcheng Yin Chunjiang Zhou Geng Wang Ministry of Education Key Laboratory of Molecular and Cellular biology Hebei Research Center of the Basic Discipline of Cell BiologyHebei Collaboration Innovation Center for Cell Signaling and Environmental AdaptationHebei Key Laboratory of Molecular and Cellular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuang 050024China College of Chemical Engineering Shijiazhuang UniversityShijiazhuang 050035China Institute of Botany Chinese Academy of SciencesBeijing 100093China

Most mechanistic details of chronologically ordered regulation of leaf senescence are *** networks centered on AtWRKY53 are crucial for orchestrating and integrating various senescence-related ***,AtWRKY53binds to its own promoter and represses transcription of AtWRKY53,but the biological significance and mechanism underlying this selfrepression remain *** this study,we identified the VQ motif-containing protein AtVQ25as a cooperator of *** expression level of AtVQ25 peaked at mature stage and was specifically repressed after the onset of leaf ***25-overexpressing plants and atvq25 mutants displayed precocious and delayed leaf senescence,***,we identified AtWRKY53 as an interacting partner of *** determined that interaction between AtVQ25 and AtWRKY53 prevented AtWRKY53from binding to W-box elements on the AtWRKY53promoter and thus counteracted the selfrepression of *** addition,our RNA-sequencing data revealed that the AtVQ25-AtWRKY53 module is related to the salicylic acid(SA)*** leaf senescence and SA-induced leaf senescence in AtVQ25-overexpressing lines were inhibited by an SA pathway mutant,atsid2,and Nah G transgenic plants;AtVQ25-overexpressing/atwrky53 plants were also insensitive to SA-induced leaf ***,we demonstrated that AtVQ25 directly attenuates the self-repression of AtWRKY53 during the onset of leaf senescence,which is substantially helpful for understanding the timing of leaf senescence onset modulated by AtWRKY53.

关键词： AtWRKY53 leaf senescence salicylic acid transcriptional regulation VQ motif-containing proteins

The innovative safe herbicide dienediamine saves paraquat

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Molecular plant 2024年第1期17卷 11-12页

作者： Jin-Qiu Xia Ping Xu Cheng-Bin Xiang Division of life Sciences and Medicine Division of Molecular&Cell BiophysicsHefei National Science Center for Physical Sciences at the MicroscaleMOE Key Laboratory for Membraneless Organelles and Cellular DynamicsUniversity of Science and Technology of ChinaThe Innovation Academy of Seed DesignChinese Academy of SciencesHefeiAnhui Province 230027China Shanghai Key Laboratory of plant Functional Genomics and Resources Shanghai Chenshan Botanical GardenShanghai Chenshan Plant Science Research CenterCAS Center for Excellence in Molecular Plant SciencesShanghai 201602China

Throughout the history of agriculture,the challenge of weed management has endured,necessitating significant investments to facilitate ideal crop growth and maximize *** for weed control mainly involve manual and chem... 详细信息

关键词： approach. manual chemical

Haplotype-based phylogenetic analysis and population genomics uncover the origin and domestication of sweetpotato

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Molecular plant 2024年第2期17卷 277-296页

作者： Mengxiao Yan Ming Li Yunze Wang Xinyi Wang M-Hossein Moeinzadeh Dora G.Quispe-Huamanquispe Weijuan Fan Yijie Fang Yuqin Wang Haozhen Nie Zhangying Wang Aiko Tanaka Bettina Heider Jan F.Kreuze Godelieve Gheysen Hongxia Wang Martin Vingron Ralph Bock Jun Yang Shanghai Key Laboratory of plant Functional Genomics and Resources Shanghai Chenshan Botanical GardenShanghai 201602China College of life Sciences Chongqing Normal UniversityChongqing 401331China Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural SciencesChengdu 610061China College of life Sciences Shanghai Normal UniversityShanghai 200234China Department of Computational Molecular biology Max Planck Institute for Molecular GeneticsIhnestraBe 63-7314195 BerlinGermany Department of Biotechnology Ghent University9000 GhentBelgium Guangdong Provincial Key Laboratory of Crops Genetics and Improvement Crop Research InstituteGuangdong Academy of Agricultural SciencesGuangzhou 510640China Graduate School of Bioagricultural Sciences Nagoya UniversityChikusaNagoya 464-8601Japan international Potato center(CIP) LimaPeru CAS center for Excellence of Molecular plant Sciences Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200233China Max-Planck-Institut fur Molekulare Pflanzenphysiologie Am Muhlenberg 114476 Potsdam-GolmGermany

The hexaploid sweetpotato(lpomoea batatas)is one of the most important root crops ***,its genetic origin remains controversial,and its domestication history remains *** this study,we used a range of genetic evidence and a newly developed haplotype-based phylogenetic analysis to identify two probable progenitors of *** diploid progenitor was likely closely related to lpomoea ae-quatoriensis and contributed the B,subgenome,IbT-DNA2,and the lineage 1 type of chloroplast genome to *** tetraploid progenitor of sweetpotato was most likely *** 4x,which donated the B2 subgenome,IbT-DNA1,and the lineage 2 type of chloroplast *** most likely originated from reciprocal crosses between the diploid and tetraploid progenitors,followed by a subsequent whole-genome *** addition,we detected biased gene exchanges between the subgenomes;the rate of B,to B2 subgenome conversions was nearly three times higher than that of B2 to B subgenome *** analyses revealed that genes involved in storage root formation,maintenance of genome stabil-ity,biotic resistance,sugar transport,and potassium uptake were selected during the speciation and domestication of *** study sheds light on the evolution of sweetpotato and paves the way forimprovementofthiscrop.

关键词： sweetpotato origin gene conversion domestication IbT-DNA HPA

iNID： An Analytical Framework for Identifying Network Models for Interplays among Developmental Signaling in Arabidopsis

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Molecular plant 2014年第5期7卷 792-813页

作者： Daeseok Choi Jaemyung Choi Byeongsoo Kang Seungchul Lee Young-hyun Cho Ildoo Hwang Daehee Hwang School of Interdisciplinary Bioscience and Bioengineering POSTECH 790-784 Pohang Republic of Korea Department of life Sciences POSTECH 790-784 Pohang Republic of Korea Department of New biology DGIST Daegu 711-873 Republic of Korea Division of Integrative Biosciences and Biotechnologies POSTECH 790-784 Pohang Republic of Korea center for systems biology of plant senescence and-life history Institute for BasicScience DGIST Daegu 711-873 Republic of Korea

Integration of internal and external cues into developmental programs is indispensable for growth and development of plants, which involve complex interplays among signaling pathways activated by the internal and external factors （IEFs）. However, decoding these complex interplays is still challenging. Here, we present a web-based platform that identifies key regulators and Network models delineating Interplays among Developmental signaling （iNID） in Arabidopsis. iNID provides a comprehensive resource of （1） transcriptomes previously collected under the conditions treated with a broad spectrum of IEFs and （2） protein and genetic interactome data in Arabidopsis. In addition, iNID provides an array of tools for identifying key regulators and network models related to interplays among IEFs using transcriptome and interactome data. To demonstrate the utility of iNID, we investigated the interplays of （1） phytohormones and light and （2） phytohormones and biotic stresses. The results revealed 34 potential regulators of the interplays, some of which have not been reported in association with the interplays, and also network models that delineate the involvement of the 34 regulators in the interplays, providing novel insights into the interplays collectively defined by phytohormones, light, and biotic stresses. We then experimentally verified that BME3 and TEM1, among the selected regulators, are involved in the auxin-brassinosteroid （BR）-blue light interplay. Therefore, iNID serves as a useful tool to provide a basis for understanding interplays among IEFs.

关键词： transcriptome analysis network analysis signal interplays development Arabidopsis.

Haplotype-resolved and chromosome-scale genomes provide insights into co-adaptation between the Amur tiger and Amur leopard

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Zoological Research 2024年第3期45卷 464-467页

作者： Hai-Meng Li Bo-Yang Liu Min-Hui Shi Le Zhang Shang-Chen Yang Sunil Kumar Sahu Liang-Yu Cui Shan-Lin Liu Nicolas Dussex Yue Ma Dan Liu Wei-Yao Kong Hao-Rong Lu Yue Zhao Love Dalén Huan Liu Tian-Ming Lan Guang-Shun Jiang Yan-Chun Xu College of Wildlife and Protected Area Northeast Forestry UniversityHarbinHeilongjiang 150040China State Key Laboratory of Agricultural Genomics BGI ResearchShenzhenGuangdong 518083China College of life Sciences University of Chinese Academy of SciencesBeijing 100049China College of life Sciences Zhejiang UniversityHangzhouZhejiang 310058China BGI Research WuhanHubei 430074China Department of Entomology College of Plant ProtectionChina Agricultural UniversityBeijing 100193China Centre for Palaeogenetics Svante Arrhenius väg 20CStockholm 10691Sweden Department of Zoology Stockholm UniversityStockholm 10691Sweden Department of Bioinformatics and Genetics Swedish Museum of Natural HistoryStockholm 10691Sweden Heilongjiang Siberian Tiger Park HarbinHeilongjiang 150000China Jinlin Provincial Academy of Forestry Science ChangchunJilin 130033China China National GeneBank BGI ResearchShenzhenGuangdong 518120China Guangdong Provincial Key Laboratory of Genome Read and Write BGI ResearchShenzhenGuangdong 518083China BGI life Science Joint Research center Northeast Forestry UniversityHarbinHeilongjiang 150040China Feline Research center of National Forestry and Grassland Administration College of Wildlife and Protected AreaNortheast Forestry UniversityHarbinHeilongjiang 150040China National Forestry and Grassland Administration Research center of Engineering Technology for Wildlife Conservation and Utilization HarbinHeilongjiang 150040China

DEAR EDITOR,Big cats,such as Amur tigers(Panthera tigris altaica)and Amur leopards(*** orientalis),are apex predator and have evolved specialized traits for hunting and carnivory(Moya et al.,2022),thus playing a crucial role in maintaining biodiversity and ecosystem integrity by regulating prey-predator ***,human-induced pressures,habitat fragmentation,and environmental alterations have restricted these species in small and isolated ***,all extant big cats are categorized as endangered or threatened according to their conservation *** tigers and Amur leopards share overlapping geographic ranges,habitats,and certain prey species in the forests of Northeast Asia(Jiang et al.,2015).To reduce interspecies conflict,these carnivores exhibit differentiated dietary and temporal *** tigers predominantly prey on large ungulates,while Amur leopards hunt small to medium-sized animals(Sugimoto et al.,2016).Additionally,they occupy different temporal niches,with tigers being active at night and leopards more active during the *** spatial and temporal niche partitioning,interspecific competition between these two species is ***,benefiting from their greater size,have a competitive advantage over leopards,which can manifest in occasional leopard predation by tigers and declines in leopard populations with increasing tiger density(Jiang et al.,2015).Tigers also displace leopards from marginal habitats in nature reserves where they coexist.

关键词： habitat Panthera resolved

The discovery of Qinghaosu(artemisinin) as an effective anti-malaria drug:A unique China story

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Science China(life Sciences) 2016年第2期59卷 81-88页

作者： Zengyi Chang center of history and Philosophy of Science School of Life Sciences Center for Protein Science State Key Laboratory of Protein and Plant Gene Research Peking University

In a collective effort to find new drugs for killing the ma- laria parasites （plasmodium） that became resistant to the conventional drugs such as chloroquine, scientists in China not only rediscovered the anti-malaria effect of the Chinese herb Qinghao （Artemesia annua L.）, but also isolated the single active ingredient Qinghaosu （artemisinin in English） in crystal form. They subsequently conducted very system- atic studies on the pharmacological properties of qinghaosu and its derivatives, and determined the unusual chemical structure of Qinghaosu. These anti-malaria drugs have saved countless lives, especially in the developing coun- tries. Due to her key role in achieving these remarkable discoveries, Prof. Youyou Tu was awarded the 2015 Nobel Prize in Physiology or Medicine ＂for her discoveries con- cerning a novel therapy against Malaria＂. Here I will try to tell this fascinating China story based on what have been recorded in the peer-reviewed papers that were published in Chinese or English and largely in journals published in China.

关键词：青蒿素中国疟疾故事诺贝尔生理学或医学奖治疗药物晶体形态有效成分

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Phosphorylation of WHIRLY1 by CIPK14 Shifts Its Localization and Dual Functions in Arabidopsis

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Molecular plant 2017年第5期10卷 749-763页

作者： Yujun Ren Yanyun Li Youqiao Jiang Binghua Wu Ying Miao center for Molecular Cell and systems biology Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology College of Life Sciences Fujian Agriculture and Forestry University Fuzhou 350002 China These authors contributed equally to this article

Plastid-to-nucleus retrograde signaling is critical for normal growth and development in plants. The dualfunction and dual-located ssDNA binding protein WHIRLY1 （WHY1） has been proposed to coordinate the retrograde signaling from plastids to the nucleus. However, the regulatory mechanism governing the functional switch of WHY1 for mediating plastid-to-nucleus retrograde signaling remains unknown. Here, we report that the Calcineurin B-Like-Interacting Protein Kinase14 （CIPK14） interacts with and phosphorylates WHY1 in Arabidopsis. Phosphorylation of WHY1 results in increased accumulation in the nucleus and enhanced binding with the promoter of WRKY53, which encodes a key transcription factor regulating leaf senescence in Arabidopsis. Transgenic plants overexpressing CIPK14 showed an increased nuclear isoform but decreased plastid isoform of WHY1, among which 95% of transgenic lines showed the stay-green phenotype and 5% of lines showed the variegated pale-green phenotype. Interestingly, the phenotypes of both types of transgenic plants could be recovered by overexpression of plastid-form WHY1. In contrast, knockdown of ClPK14 caused early senescence and even seedling-lethal phenotypes along with elevated expression of senescence-related genes such as WRKY53, SAG12, and NDHF but decreased expression of MER11, RAD50, and POR genes, which could be rescued by overexpression of CIPK14 but not by overexpressing plastid-form or nuclear-form WHY1; the stay-green plants overexpressing ClPK14 showed reduced expression of WRKY53, SAG12, NDHF, and large plastid rRNA. Consistently, the accu- mulation of nuclear-form WHY1 was significantly reduced in the CIPK14 knockdown lines, resulting in a low ratio of nuclear-/plastid-form WHY1. Taken together, our results demonstrate that CIPK14 regu- lates the phosphorylation and organeUar distributions of WHY1 and pinpoint that ClPK14 may function as a cellular switch between leaf senescence and plastid development for coordinating the int

关键词： WHIRLY1 CIPK14 Retrograde Signalling Leaf senescence Plastid Development