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Plasticity of photorespiratory carbon concentration mechanism in Sedobassia sedoides(Pall.)Freitag&*** under elevated CO_(2)concentration and salinity

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Journal of Arid Land 2024年第7期16卷 963-982页

作者： Zulfira RAKHMANKULOVA Elena SHUYSKAYA Maria PROKOFIEVA Kristina TODERICH Pavel VORONIN Timiryazev institute of plant Physiology Russian Academy of SciencesMoscow 127276Russia Graduate School of Bioresources Mie University1577 KurimamachiyaTsu 514-8507Japan

Rising atmospheric CO_(2)(carbon dioxide)concentrations and salinization are manifestations of climate change that affect plant growth and *** with an intermediate C_(3)-C_(4)type of photosynthesis live in a wide range of precipitation,temperature,and soil quality,but are more often found in warm and dry *** of the intermediate C_(3)-C_(4)photosynthetic type is C_(2)photosynthesis with a carbon concentration mechanism(CCM)that reassimilates CO_(2)released via ***,the ecological significance under which C_(2)photosynthesis has advantages over C_(3)and C_(4)plants remains largely *** tolerance and functioning of CCM were studied in plants from two populations(P1 and P2)of Sedobassia sedoides(Pall.)Freitag&*** *** with C_(2)photosynthesis exposed to 4 d and 10 d salinity(200 mM NaCl)at ambient(785.7 mg/m^(3),aCO_(2)and elevated(1571.4 mg/m^(3),eCO_(2))CO_(2).On the fourth day of salinity,an increase in Na+content,activity catalase,and superoxide dismutase was observed in both populations.P2 plants showed an increase in proline content and a decrease in photosynthetic enzyme content:rubisco,phosphoenolpyruvate carboxylase(PEPC),and glycine decarboxylase(GDC),which indicated a weakening of C_(2)and C_(4)characteristics under *** under 10 d salinity led to an increased Na^(+)content and activity of cyclic electron flow around photosystem I(PSI CEF),a decreased content of K^(+)and GDC in both populations.P1 plants showed greater salt tolerance,which was assessed by the degree of reduction in photosynthetic enzyme content,PSI CEF activity,and changes in relative growth rate(RGR).Differences between populations were evident under the combination of eCO_(2)and *** long-term salinity and eCO_(2),more salt-tolerant P1 plants had a higher dry biomass(DW),which was positively correlated with PSI CEF *** less salt-tolerant P2 plants,DW correlated with transpiration and dark

关键词： photosystemsⅠandⅡ carbon-concentrating mechanism glycine decarboxylase rubisco phosphoenolpyruvate carboxylase(PEPC) cyclic electron flow salinity stress drylands

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Identification of transient receptor potential channel genes and functional characterization of TRPA1 in Spodoptera frugiperda

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Journal of Integrative Agriculture 2024年第6期23卷 1994-2005页

作者： Yutong Zhang Hangwei Liu Song Cao Bin Li Yang Liu Guirong Wang State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China 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 SciencesShenzhen 518120China institute of Evolution and Ecology School of Life SciencesCentral China Normal UniversityWuhan 430079China

Spodoptera frugiperda is a highly destructive pest that has become a global problem due to its robust reproductive and migratory *** receptor potential(TRP)channels,which constitute a vast ion channel family,play pivotal roles in sensing the external environment and maintaining internal homeostasis in *** channels have been widely investigated for their critical roles in regulating various insect behaviors in recent *** this study,we identified 15 TRP gene loci encoding 26 transcripts in the genome of *** and analyzed their expression profiles at different developmental *** results revealed that *** possesses four TRPC genes,six TRPA genes,one TRPM gene,two TRPV genes,one TRPN gene,and one TRPML gene,while a canonical TRPP is ***,the SfruTRPA1 was functionally characterized using the Xenopus oocyte expression *** results showed that SfruTRPA1 is activated by temperature increases from 20 to 45℃,and there is no significant desensitization after repeated stimuli within the same temperature ***,SfruTRPA1 is activated by certain natural chemicals,including allyl isothiocyanate(AITC)and cinnamaldehyde(CA).These findings provide valuable insights to the TRP genes in ***.

关键词： Spodoptera frugiperda transient receptor potential channel expression profile TRPA1 Xenopus oocyte

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An integrative database and its application for plant synthetic biology research

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plant Communications 2024年第5期5卷 123-133页

作者： Chenfei Tian Jianhua Li Yuhan Wu Guangyi Wang Yixin Zhang Xiaowei Zhang Yuwei Sun Yong Wang CAS-Key Laboratory of Synthetic Biology CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China University of Chinese Academy of Sciences Beijing 100039China College of Life Science Jilin Agricultural UniversityChangchun 130118China

plant synthetic biology research requires diverse bioparts that facilitate the redesign and construction of new-to-nature biological devices or systems in *** by few well-characterized bioparts for plant chassis,the development of plant synthetic biology lags behind that of its microbial ***,we constructed a web-based plant Synthetic BioDatabase(PSBD),which currently categorizes 1677 catalytic bioparts and 384 regulatory elements and provides information on 309 species and 850 *** bioinformatics tools including local BLAST,chem similarity,phylogenetic analysis,and visual strength are provided to assist with the rational design of genetic circuits for manipulation of gene expression in *** demonstrated the utility of the PSBD by functionally characterizing taxadiene synthase 2 and its quan-titative regulation in tobacco *** powerful synthetic devices were then assembled to amplify the transcriptional signals,enabling enhanced expression ofﬂavivirus non-structure 1 proteins in *** PSBD is expected to be an integrative and user-centered platform that provides a one-stop service for diverse applications in plant synthetic biology research.

关键词： plant synthetic biology bioparts bioinformatics tools regulation genetic circuits

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Alternative splicing of the PECTINESTERASE gene encoding a cell wall-degrading enzyme affects postharvest softening in grape

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Journal of Integrative Agriculture 2024年第3期23卷 863-875页

作者： Hainan Liu Maosong Pei Charles Ampomah-Dwamena Yaxin Shang Yihe Yu Tonglu Wei Qiaofang Shi Dalong Guo College of Horticulture and plant Protection Henan University of Science and TechnologyLuoyang 471000China Henan Engineering Technology Research Center of Quality Regulation and Control of Horticultural plants Luoyang 471000China The New Zealand institute for plant&Food Research Limited(PFR) Auckland 1010New Zealand

The firmness of table grape berries is a crucial quality parameter. Despite extensive research on postharvest fruit softening, its precise molecular mechanisms remain elusive. To enhance our comprehension of the underlying molecular factors, we initially identified differentially expressed genes(DEGs) by comparing the transcriptomes of folic acid(FA)-treated and water-treated(CK) berries at different time points. We then analyzed the sequences to detect alternatively spliced(AS) genes associated with postharvest softening. A total of 2,559 DEGs were identified and categorized into four subclusters based on their expression patterns, with subcluster-4 genes exhibiting higher expression in the CK group compared with the FA treatment group. There were 1,045 AS-associated genes specific to FA-treated berries and 1,042 in the CK-treated berries, respectively. Gene Ontology(GO) annotation indicated that the AS-associated genes in CK-treated berries were predominantly enriched in cell wall metabolic processes,particularly cell wall degradation processes. Through a comparison between treatment-associated AS genes and subcluster-4 DEGs, we identified eight genes, including Pectinesterase 2(VvPE2, Vitvi15g00704), which encodes a cell wall-degrading enzyme and was predicted to undergo an A3SS event. The reverse transcription polymerase chain reaction further confirmed the presence of a truncated transcript variant of VvPE2 in the FA-treated *** study provides a comprehensive analysis of AS events in postharvest grape berries using transcriptome sequencing and underscores the pivotal role of VvPE2 during the postharvest storage of grape berries.

关键词： grape postharvest softening folic acid alternative splicing Pectinesterase 2 alternative 3'splice site(A3SS)

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Egg-associated secretions from the brown planthopper(Nilaparvata lugens)activate rice immune responses

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Insect Science 2024年第4期31卷 1135-1149页

作者： Jing Li Shuai Li Jing Li Xinyang Tan Zhichang Zhao Lei Jiang Ary A.Hoffmann Jichao Fang Rui Ji institute of plant Protection Jiangsu Academy of Agricultural SciencesJiangsu Key Laboratory for Food and Safety-State Key Laboratory Cultivation Base of Ministry of Science and TechnologyNanjingChina College of plant Protection Nanjing Agricultural UniversityNanjingChina School of plant Protection Anhui Agricultural UniversityHefeiChina School of BioSciences Bio21 InstituteUniversity of MelbourneParkvilleVICAustralia Jiangsu Collaborative Innovation Center of Regional Modern Agriculture&Environmental Protection Huaiyin Normal UniversityHuaianJiangsu ProvinceChina

The brown planthopper(BPH,Nilaparvata lugens)is a notorious sap-sucking insect pest that damages rice(Oryza sativa)plants throughout *** BPH feeding,saliva enters rice plant tissues,whereas during oviposition egg-associated secretions(EAS)are deposited in damaged plant *** changes in rice to planthopper salivary effectors have been widely ***,the effects of EAS from planthopper on rice immunity remains largely *** this study,we found that both infestation of rice by gravid BPH female adults and treatment with the EAS elicited a strong and rapid accumulation of jasmonic acid(JA),JA-isoleucine,and hydrogen peroxide in *** enhanced plant defenses not only in rice but also in tobacco,and these impaired the performance of BPH on rice,as well as the performance of aphids and whiteflies on ***-throughput proteome sequencing of EAS led to 110 proteins being identified and 53 proteins with 2 or more unique peptides being *** proteins from BPH EAS were also found in the salivary proteome from herbivores,suggesting potential evolutionary conservation of effector functions across feeding and oviposition;however,others were only identified in EAS,and these are likely specifically related to *** findings point to novel proteins affecting interactions between planthoppers and rice during oviposition,providing an additional source of information for effector studies.

关键词： egg-associated secretion Nilaparvata lugens oviposition plant immunity proteome

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Attention,neighbors:Methyl salicylate mediates plant airborne defense

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plant Communications 2024年第1期5卷 1-3页

作者： Shan Liu Faisal Islam Jianping Chen Zongtao Sun Jian Chen International Genome Center Jiangsu UniversityZhenjiang 212013China State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang ProvinceInstitute of Plant VirologyNingbo UniversityNingboChina

plants have evolved to generate and release a wide array of volatile organic compounds(VOCs)when challenged by environmental stimuli such as biotic and abiotic stresses,which facilitate their reproduction,defense responses,and plant-plant communication(Karban,2021).Once emitted,some VOCs can elicit defense signaling in neighboring plants by interacting with specific receptor(s),a phenomenon referred to as airborne defense(AD)(Loreto and D’Auria,2022).

关键词： neighboring neighbor media

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Odorant receptor orthologues from moths display conserved responses to cis-jasmone

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Insect Science 2024年第4期31卷 1107-1120页

作者： Xiao-Qing Hou Zhongqiang Jia Dan-Dan Zhang Guirong Wang Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureSynthetic Biology Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenGuangdong ProvinceChina State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina Department of Biology Lund UniversityLundSweden

In insects,the odorant receptor(OR)multigene family evolves by the birth-and-death evolutionary model,according to which the OR repertoire of each species has undergone specific gene gains and losses depending on their chemical environment,resulting in taxon-specific OR lineage radiations with different sizes in the phylogenetic *** the general divergence in the gene family across different insect orders,the ORs in moths seem to be genetically conserved across species,clustered into 23 major clades containing multiple orthologous groups with single-copy gene from each *** hypothesized that ORs in these orthologous groups are tuned to ecologically important compounds and functionally ***-Jasmone is one of the compounds that not only primes the plant defense of neighboring receiver plants,but also functions as a behavior regulator to various *** test our hypothesis,using Xenopus oocyte recordings,we functionally assayed the orthologues of BmorOR56,which has been characterized as a specific receptor for *** results showed highly conserved response specificity of the BmorOR56 orthologues,with all receptors within this group exclusively responding to *** is supported by the dN/dS analysis,showing that strong purifying selection is acting on this ***,molecular docking showed that the ligand binding pockets of BmorOR56 orthologues to cis-jasmone are *** together,our results suggest the high conservation of OR for ecologically important compounds across Heterocera.

关键词： cis-jasmone evolutionary conservation functional characterization molec-ular docking moths purifying selection

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Next Generation Nutrition: Genomic and Molecular Breeding Innovations for Iron and Zinc Biofortification in Rice

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Rice science 2024年第5期31卷 526-544,I0029,I0030页

作者： Kunhikrishnan Hemalatha DHANYALAKSHMI Reshma MOHAN Sasmita BEHERA Uday Chand JHA Debashis MOHARANA Ahalya BEHERA Sini THOMAS Preman Rejitha SOUMYA Rameswar Prasad SAH Radha BEENA Department of plant Physiology College of AgriculturePadannakkadKerala Agricultural UniversityKerala 671314India Department of plant Physiology College of AgricultureVellayaniKerala Agricultural UniversityKerala 695522India Crop Improvement Division India Council of Agricultural Research-National Rice Research InstituteOdisha 7530006India Department of plant Breeding and Genetics Indian Institute of Pulse ResearchKanpur 208024India Department of plant Physiology College of AgricultureKumarakomKerala Agricultural UniversityKerala 686563India

Global efforts to address malnutrition and hidden hunger, particularly prevalent in low- and middle-income countries, have intensified, with a focus on enhancing the nutritional content of staple crops like rice. Despite serving as a staple for over half of the world's population, rice falls short in meeting daily nutritional requirements, especially for iron(Fe) and zinc(Zn). Genetic resources, such as wild rice species and specific rice varieties, offer promising avenues for enhancing Fe and Zn content. Additionally, molecular breeding approaches have identified key genes and loci associated with Fe and Zn accumulation in rice grains. This review explores the genetic resources and molecular mechanisms underlying Fe and Zn accumulation in rice grains. The functional genomics involved in Fe uptake, transport, and distribution in rice plants have revealed key genes such as OsFRO1, OsIRT1, and OsNAS3. Similarly, genes associated with Zn uptake and translocation, including OsZIP11 and OsNRAMP1, have been identified. Transgenic approaches, leveraging transporter gene families and genome editing technologies, offer promising avenues for enhancing Fe and Zn content in rice grains. Moreover, strategies for reducing phytic acid(PA) content, a known inhibitor of mineral bioavailability, have been explored, including the identification of low-PA mutants and natural variants. The integration of genomic information, including whole-genome resequencing and pan-genome analyses, provides valuable insights into the genetic basis of micronutrient traits and facilitates targeted breeding efforts. Functional genomics studies have elucidated the molecular mechanisms underlying Fe uptake and translocation in rice. Furthermore, transgenic and genome editing techniques have shown promise in enhancing Fe and Zn content in rice grains through the manipulation of key transporter genes. Overall, the integration of multi-omics approaches holds significant promise for addressing global malnutri

关键词： biofortification grain quality iron phytic acid rice zinc

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Masculinizer gene controls sexual differentiation in Hyphantria cunea

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Insect Science 2024年第2期31卷 405-416页

作者： Xiaowei Li Huihui Liu Honglun Bi Yaohui Wang Jun Xu Sufang Zhang Zhen Zhang Ze Zhang Yongping Huang Laboratory of Evolutionary and Functional Genomics School of Life SciencesChongqing UniversityChongqingChina CAS Key Laboratory of Insect Developmental and Evolutionary Biology CAS Centerfor Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghaiChina Key Laboratory of Forest Protection Research Institute of Forest EcologyEnvironment and ProtectionChinese Academy of ForestryState Forestry AdministrationBeijingChina

The Masculinizer gene,Masc,encodes a lepidopteran-specific novel CCCHtype zinc finger protein,which controls sex determination and dosage compensation in Bombyx *** the potential application of it in pest control,it is necessary to investigate the function of Masc gene in Hyphantria cunea,a globally invasive forest *** the present study,we identified and functionally characterized the Masc gene,HcMasc,in *** analysis revealed that HcMASC contained the conserved CCCH-type zinc finger domain,nuclear localization signal,and male determining domain,in which the last was confirmed to be required for its masculinization in BmN cell ***,expression data showed that unlike male-biased expression in ***,Hc-Masc gene expresses in main all developmental stages or tissues in both *** regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated protein 9-based disruption of the common exons 1 and 3 of the HcMasc gene resulted in imbalanced sex ratio and abnormal external genitalia of both *** results suggest that the HcMasc gene is required for both male and female sexual differentiation and dosage compensation in *** and provide a foundation for developing better strategies to control this pest.

关键词： CRISPR/Cas9 dosage compensation Hyphantria cunea Masc sexual differentiation

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The transcription factor HSFA7b controls thermomemory at the shoot apical meristem by regulating ethylene biosynthesis and signaling in Arabidopsis

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plant Communications 2024年第3期5卷 47-61页

作者： Sheeba John Federico Apelt Amit Kumar Ivan FAcosta Dominik Bents Maria Grazia Annunziata Franziska Fichtner Caroline Gutjahr Bernd Mueller-Roeber Justyna J.Olas University of Potsdam Institute of Biochemistry and BiologyKarl-Liebknecht-Straße 24-25Haus 2014476 PotsdamGermany Max Planck institute of Molecular plant Physiology Am Muehlenberg 114476 PotsdamGermany Laboratory of Molecular Biology Wageningen University6700 AP Wageningenthe Netherlands Center of plant Systems Biology and Biotechnology(CPSBB) 14 St.Knyaz Boris 1 Pokrastitel Str.4023 PlovdivBulgaria Present address:institute of plant Biochemistry Heinrich Heine University DusseldorfUniversit€atsstr.140225 DusseldorfGermany Leibniz institute of Vegetable and Ornamental Crops Theodor-Echtermeyer-Weg 114979 GroßbeerenGermany

The shoot apical meristem(SAM)is responsible for overall shoot growth by generating all aboveground *** research has revealed that the SAM displays an autonomous heat stress(HS)memory of a previous non-lethal HS *** the importance of the SAM for plant growth,it is essential to determine how its thermomemory is mechanistically ***,we report that HEAT SHOCK TRAN-SCRIPTION FACTOR A7b(HSFA7b)plays a crucial role in this process in Arabidopsis,as the absence of functional HSFA7b results in the temporal suppression of SAM activity after *** found that HSFA7b directly regulates ethylene response at the SAM by binding to the promoter of the key ethylene signaling gene ETHYLENE-INSENSITIVE 3 to establish ***,we demonstrated that HSFA7b regulates the expression of ETHYLENE OVERPRODUCER 1(ETO1)and ETO1-LIKE 1,both of which encode ethylene biosynthesis repressors,thereby ensuring ethylene homeostasis at the *** together,these results reveal a crucial and tissue-specic role for HSFA7b in thermomemory at the Arabidopsis SAM.

关键词： ethylene response heat stress adaptation shoot apical meristem SAM thermopriming thermomemory

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