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Trehalose:A sugar molecule involved in temperature stress management in plants

The crop Journal 2024年第1期12卷 1-16页

作者： Ali Raza Savita Bhardwaj Md Atikur Rahman Pedro García-Caparrós Madiha Habib Faisal Saeed Sidra Charagh Christine H.Foyer Kadambot H.M.Siddique Rajeev K.Varshney College of Agriculture Fujian Agriculture and Forestry University(FAFU)Fuzhou 350002FujianChina Department of Botany School of Bioengineering and BiosciencesLovely Professional UniversityPhagwara 144411India Department of Botany MCM DAV CollegeKangraHimachal Pradesh 176001India Grassland and Forage Division National Institute of Animal ScienceRural Development AdministrationCheonan 31000Republic of Korea Agronomy Department of Superior School Engineering University of AlmeríaAlmeríaSpain national institute for Genomics and Advanced Biotechnology National Agricultural Research CentrePark Rd.Islamabad 45500Pakistan Agriculture Health and Environment DepartmentNatural Resources InstituteFaculty of Engineering&ScienceUniversity of GreenwichKent ME44TBUK State key Laboratory of Rice Biology China National Rice Research InstituteChinese Academy of Agricultural SciencesHangzhouZhejiangChina School of Biosciences College of Life and Environmental SciencesUniversity of BirminghamEdgbaston B152TTUK The UWA institute of Agriculture The University of Western AustraliaCrawleyPerth 6009Australia WA State Agricultural Biotechnology Centre Centre for Crop and Food InnovationFood Futures InstituteMurdoch UniversityMurdochWA 6150Australia

Trehalose(Tre)is a non-reducing disaccharide found in many species,including bacteria,fungi,invertebrates,yeast,and even plants,where it acts as an osmoprotectant,energy source,or protein/membrane *** relatively small amounts in plants,Tre concentrations increase following exposure to abiotic ***-6-phosphate,a precursor of Tre,has regulatory functions in sugar metabolism,crop production,and stress *** the various abiotic stresses,temperature extremes(heat or cold stress)are anticipated to impact crop production worldwide due to ongoing climate *** small amounts of Tre can mitigate negative physiological,metabolic,and molecular responses triggered by temperature *** also interacts with other sugars,osmoprotectants,amino acids,and phytohormones to regulate metabolic reprogramming that underpins temperature stress *** plants expressing Tre-synthesis genes accumulate Tre and show improved stress ***-wide studies of Tre-encoding genes suggest roles in plant growth,development,and stress *** review discusses the functions of Tre in mitigating temperature stress—highlighting genetic engineering approaches to modify Tre metabolism,crosstalk,and interactions with other molecules—and in-silico approaches for identifying novel Tre-encoding genes in diverse plant *** consider how this knowledge can be used to develop temperature-resilient crops essential for sustainable agriculture.

关键词： Abiotic stress gene expression genetic engineering Osmolyte Trehalose-6-phosphate

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Nuclear encoded elongation factor EF-Tu is required for chloroplast development in rice grown under low-temperature conditions

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Journal of genetics and Genomics 2022年第5期49卷 502-505页

作者： Liang Cai Zongkai Liu Long Cai Xiaofeng Yan Yuan Hu Benyuan Hao Zhuang Xu Yunlu Tian Xi Liu Linglong Liu Ling Jiang Shirong Zhou Jianmin Wan State key Laboratory for crop genetics and Germplasm Enhancement Jiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingJiangsu 210095China national key facility for crop gene resources and genetic improvement Institute of Crop ScienceChinese Academy of Agricultural SciencesBeijing 100081China

As a thermophilic crop that originated in tropical and subtropical areas, rice is sensitive to low temperatures, particularly during the early seedling stage. Cold stress at the seedling stage inhibits chlorophyll biosynthesis and causes oxidative damage, resulting in death(Zhao et al., 2020). Investigation of the mechanism of chloroplast development in rice seedlings under low-temperature conditions is important for breeding varieties with increased cold resistance.

关键词： seedling breeding originated

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The divergence of brassinosteroid sensitivity between rice subspecies involves natural variation conferring altered internal auto-binding of OsBSK2

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Journal of Integrative Plant Biology 2022年第8期64卷 1614-1630页

作者： Wenchao Yin Lulu Li Zhikun Yu Fan Zhang Dapu Liu Hongkai Wu Mei Niu Wenjing Meng Xiaoxing Zhang Nana Dong Yanzhao Yang Jihong Liu Yongqiang Liu Guoxia Zhang Jianlong Xu Shimei Wang Chengcai Chu Qian Qian Hongning Tong national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Rice Research institute of Anhui Academy of Agricultural sciences Hefei 230001China State key Laboratory of Plant Genomics Institute of Genetics and Developmental Biologythe Innovative Academy for Seed DesignChinese Academy of SciencesBeijing 100101China

Japonica/geng and indica/xian are two major rice(Oryza sativa)subspecies with multiple divergent traits,but how these traits are related and interact within each subspecies remains ***(BRs)are a class of steroid phytohormones that modulate many important agronomic traits in ***,using different physiological assays,we revealed that japonica rice exhibits an overall lower BR sensitivity than *** screening of BR signaling genes led to the identification of a set of genes distributed throughout the primary BR signaling pathway with divergent *** these,we demonstrate that the C38/T variant in BR Signaling Kinase2(OsBSK2),causing the amino acid change P13L,plays a central role in mediating differential BR signaling in japonica and indica ***2in indica plays a greater role in BR signaling than OsB SK2in japonica by affecting the auto-binding and protein accumulation of ***,we determined that OsBSK2 is involved in a number of divergent traits in japonica relative to indica rice,including grain shape,tiller number,cold adaptation,and nitrogen-use *** study suggests that the natural variation in OsB SK2 plays a key role in the divergence of BR signaling,which underlies multiple divergent traits between japonica and indica.

关键词： brassinosteroid divergence grain shape natural variation rice

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ESCRT-Ⅲ component OsSNF7.2 modulates leaf rolling by trafficking and endosomal degradation of auxin biosynthetic enzyme OsYUC8 in rice

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Journal of Integrative Plant Biology 2023年第6期65卷 1408-1422页

作者： Liang Zhou Saihua Chen Maohong Cai Song Cui Yulong Ren Xinyue Zhang Tianzhen Liu Chunlei Zhou Xin Jin Limin Zhang Minxi Wu Shuyi Zhang Zhijun Cheng Xin Zhang Cailin Lei Qibing Lin Xiuping Guo Jie Wang Zhichao Zhao Ling Jiang Shanshan Zhu Jianmin Wan State key Laboratory for crop genetics and Germplasm Enhancement Jiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjing 210095China national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Jiangsu key Laboratory of crop Genomics and Molecular Breeding/key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu key Laboratory of crop genetics and Physiology Agricultural College of Yangzhou UniversityYangzhou 225009China

The endosomal sorting complex required for transport(ESCRT)is highly conserved in eukaryotic cells and plays an essential role in the biogenesis of multivesicular bodies and cargo degradation to the plant vacuole or *** ESCRT components affect a variety of plant growth and development processes,their impact on leaf development is rarely ***,we found that OsSNF7.2,an ESCRT-Ⅲ component,controls leaf rolling in rice(Oryza sativa).The Ossnf7.2 mutant rolled leaf 17(rl17)has adaxially rolled leaves due to the decreased number and size of the bulliform ***7.2is expressed ubiquitously in all tissues,and its protein is localized in the endosomal ***7.2 homologs,including OsSNF7,OsSNF7.3,and OsSNF7.4,can physically interact with OsSNF7.2,but their single mutation did not result in leaf *** ESCRT complex subunits,namely OsVPS20,OsVPS24,and OsBRO1,also interact with *** assays revealed that OsSNF7.2 interacts with OsYUC8 and aids its vacuolar *** Osyuc8and rl17 Osyuc8 showed rolled leaves,indicating that OsYUC8 and OsSNF7.2 function in the same pathway,conferring leaf *** study reveals a new biological function for the ESCRT-Ⅲcomponents,and provides new insights into the molecular mechanisms underlying leaf rolling.

关键词： bulliform cell leaf rolling OsSNF7.2 OsYUC8 rice(Oryza sativa) vacuolar degradation

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Coordinating gibberellin and brassinosteroid signaling beyond Green Revolution

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Journal of genetics and Genomics 2023年第7期50卷 459-461页

作者： Hongning Tong Chengcai Chu national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Guangdong Laboratory for Lingnan Modern Agriculture State Key Laboratory for Conservation and Utilization of Subtropical Agro-BioresourcesCollege of AgricultureSouth China Agricultural UniversityGuangzhouGuangdong 510642China

The Green Revolution,which took place in the 1960s,was instrumental in increasing grain yields and mitigating the world’s food *** semi-dwarfing crops was a critical activity that significantly improved lodging resistance,field management,and harvesting *** molecular genetic studies revealed that the semi-dwarfing genes used in rice and wheat,two major staple crops,are related to the plant hormone gibberellin(GA).In rice,SD1 encodes a defective GA synthetic enzyme GA20ox-2,while in wheat,Rht-1(Rht-B1b or Rht-D1b)encodes the gain-of-function form of the GA signaling inhibitors known as DELLA proteins(Peng et al.,1999;Sasaki et al.,2002).However,defects in either GA synthesis or signaling can decrease nitrogen use efficiency(NUE)and potentially lead to inferior grain ***,the success of the Green Revolution relies heavily on the massive input of nitrogen fertilizer,which causes severe environmental issues.

关键词： Wheat BR GA Green Revolution

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Recent Advances to Enhance Nutritional Quality of Rice

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Rice science 2023年第6期30卷 523-536页

作者： Sundus ZAFAR XU Jianlong School of Life sciences Jiangsu UniversityZhenjiang 212013China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120China The national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

The nutritional quality of rice is a major concern,along with the need to enhance productivity to feed the continuously growing ***,there is a requirement to breed high-yielding rice varieties with improved nutritional quality that can help combat malnutrition,a global health ***,breeding approaches have played a significant role in increasing rice yield while enhancing its nutritional *** addition to traditional breeding techniques,other recent approaches,such as genetic engineering,gene editing,omics methods,and agronomic practices,must also be employed to meet the nutritional needs of the current *** this review,we offered detailed information on the development of nutritionally improved rice varieties through the enhancement of protein content,microand macronutrients,vitamins,and oil quality using genetic engineering *** also identified QTLs associated with amino acids,proteins,and micronutrients in ***,omics approaches provide a range of tools and techniques for effectively exploring resources and understanding the molecular mechanisms involved in trait *** branches,including transcriptomics,proteomics,ionomics,and metabolomics,are efficiently utilized for improving rice ***,by utilizing the information obtained from these techniques and incorporating all of these recent approaches,we can effectively modify the rice genome,directly enhancing the nutritional value of rice *** will help address the challenges of malnutrition in the years to come.

关键词： rice nutritional quality quantitative trait locus genetic engineering omics gene editing

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Profiling seed soluble sugar compositions in 1164 Chinese soybean accessions from major growing ecoregions

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The crop Journal 2022年第6期10卷 1825-1831页

作者： Jie Qi Shengrui Zhang Muhammad AzamAbdul wahab S.Shaibu Ahmed M.Abdelghany Yue Feng Yuanyuan HuaiHuoyi Feng Yitian Liu Caiyou Ma Berhane S.Gebregziabher Suprio Ghosh Jing Li Deyue Yu Bin Li Lijuan Qiu Junming Sun The national Engineering Research Center of crop Molecular Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China The national key facility for crop gene resources and genetic improvement/key Laboratory of Germplasm and Biotechnology(MARA) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China MARA key Laboratory of Soybean Biology(Beijing) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China national key Laboratory of crop genetics and Germplasm Enhancement National Center for Soybean ImprovementJiangsu Collaborative Innovation Center for Modern Crop ProductionNanjing Agricultural UniversityNanjing 210095JiangsuChina Department of Agronomy Bayero UniversityKano 700001Nigeria crop Science Department Faculty of AgricultureDamanhour UniversityDamanhour 22516Egypt

Soluble sugar is a key quality trait of soybean *** developed rapid and economic extraction and quantification methods for seed soluble sugars using an ultra-high performance liquid chromatography system with a refractive index *** evaluated the soluble sugar compositions of 1164 soybean accessions collected from diverse ecoregions and grown in multiple locations and *** soluble sugar(TSS)content was influenced by accession type,year of cultivation,and *** mean contents of fructose,glucose,sucrose,raffinose,stachyose and TSS were 3.31,5.21,55.60,6.60,35.47,and 106.19 mg g^(-1),*** highest mean TSS content(108.71 mg g^(-1)) was observed in accessions from Northern Region of *** contained higher contents of sucrose,raffinose,and TSS,whereas landraces had a higher content of *** accessions with mean TSS contents>130 mg g^(-1) were identified as elite soybean *** was correlated with sucrose,raffinose,stachyose,protein,oil and total *** main soluble sugar components were correlated with latitude and longitude,indicating that the geographical origin of the accessions affected their seed soluble sugar *** developed methods and elite identified accessions can be used in the food and feed industry and in soybean breeding programs aimed at improving soybean seed nutrition.

关键词： Soluble sugars Soybean[Glycine max(L.)Merrill] UPLC-RID Natural variation Geographical distribution

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Development of an Agrobacterium-mediated CRISPR/Cas9 system in pea(Pisum sativum L.)

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The crop Journal 2023年第1期11卷 132-139页

作者： Guan Li Rong Liu Rongfang Xu Rajeev KVarshney Hanfeng Ding Mengwei Li Xin Yan Shuxian Huang Juan Li Dong Wang Yishan Ji Chenyu Wang Junguang He Yingfeng Luo Shenghan Gao Pengcheng Wei Xuxiao Zong Tao Yang national key facility for crop gene resources and genetic improvement/institute of crop sciences Chinese Academy of Agricultural SciencesBeijing 100081China key Laboratory of Rice genetic Breeding of Anhui Province Rice Research InstituteAnhui Academy of Agricultural SciencesHefei 230031AnhuiChina State Agricultural Biotechnology Centre Centre for Crop and Food InnovationFood Futures InstituteMurdoch UniversityMurdochWA 6150Australia institute of crop Germplasm resources Shandong Academy of Agricultural Sciences/Shandong Provincial Key Laboratory of Crop Genetic ImprovementEcology and PhysiologyJinan 250100ShandongChina Zhejiang Xinnan Chemical Industrial Group Co. Ltd.Hangzhou 311300ZhejiangChina State key Laboratory of Microbial resources Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China

Pea(Pisum sativum L.)is an annual cool-season legume *** to its role in sustainable agriculture as both a rotation and a cash crop,its global market is expanding and increased production is urgently *** both technical and regulatory reasons,neither conventional nor transgenic breeding techniques can keep pace with the demand for increased *** answer to this challenge,CRISPR/Cas9 genome editing technology has been gaining traction in plant biology and crop breeding in recent ***,there are currently no reports of the successful application of the CRISPR/Cas9 genome editing technology in *** developed a transient transformation system of hairy roots,mediated by Agrobacterium rhizogenes strain K599,to validate the efficiency of a CRISPR/Cas9 *** optimization resulted in an efficient vector,*** used this optimized CRISPR/Cas9 system to edit the pea phytoene desaturase(PsPDS)gene,causing albinism,by Agrobacterium-mediated genetic *** is the first report of successful generation of gene-edited pea plants by this route.

关键词： Agrobacterium-mediated transformation CRISPR/Cas9 Pea Genome editing

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A single nucleotide substitution in the MATE transporter gene regulates plastochron and the many noded dwarf phenotype in barley(Hordeum vulgare L.)

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Journal of Integrative Agriculture 2023年第8期22卷 2295-2305页

作者： GUO Bao-jian SUN Hong-wei QI Jiang HUANG Xin-yu HONG Yi HOU Jian Lü Chao WANG Yu-lin WANG Fei-fei ZHU Juan GUO Gang-gang XU Ru-gen Jiangsu key Laboratory of crop Genomics and Molecular Breeding/key Laboratory of Plant Functional Genomics Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Co-Innovation Center for Modern Production Technology of Grain CropsYangzhou UniversityYangzhou 225009P.R.China State key Laboratory of Barley and Yak Germplasm resources and genetic improvement/Tibet Academy of Agricultural and Animal Husbandry sciences(TAAAS) Lhasa 850002P.R.China key Laboratory of crop Germplasm resources and Utilization Ministry of Agriculture/National Key Facility for Crop Gene Resources and Genetic Improvement/Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081P.R.China

In higher plants,the shoot apical meristem produces lateral organs in a regular spacing(phyllotaxy)and timing(plastochron).The molecular analysis of mutants associated with phyllotaxy and plastochron would increase our understanding of the mechanism of shoot architecture *** this study,we identified mutant mnd8ynp5 that shows an increased rate of leaf emergence and a larger number of nodes in combination with a dwarfed growth habit from an EMS-treated population of the elite barley cultivar Yangnongpi *** a map-based cloning strategy,the mnd8 gene was narrowed down to a 6.7-kb genomic interval on the long arm of chromosome *** analysis revealed that a C to T single-nucleotide mutation occurred at the first exon(position 953)of HORVU5Hr1G118820,leading to an alanine(Ala)to valine(Val)substitution at the 318th amino acid ***,HORVU5Hr1G118820 was defined as the candidate gene of MND8 encoding 514 amino acids and containing two multidrug and toxic compound extrusion(MATE)*** is highly homologous to maize Bige1and has a conserved function in the regulation of plant development by controlling the leaf initiation *** of modern barely varieties showed that Hap-1 was the dominant haplotype and was selected in barley breeding around the ***,our results indicated that mnd8ynp5 is a novel allele of the HORVU5Hr1G118820 gene that is possibly responsible for the shortened plastochron and many noded dwarf phenotype in barley.

关键词： barley EMS plastochron many noded dwarf MATE transporter shoot architecture

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Allelic Variation in Loci for Adaptive Response and Its Effect on Agronomical Traits in Chinese Wheat(Triticum aestivum L.)

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Journal of Integrative Agriculture 2014年第7期13卷 1469-1476页

作者： GAO Li-feng LIU Pan GU Yan-chun JIA Ji-zeng national key facility for crop gene resources and genetic improvement/institute of crop sciences Chinese Academy of Agricultural Sciences

Heading date was an important trait that decided the adaptation of wheat to environments. It was modiifed by genes involved in vernalization response, photoperiod response and development rate. In this study, four loci Xgwm261, Xgwm219, Xbarc23 and Ppd-D1 which were previously reported related to heading time were analyzed based on three groups of wheat including landraces （L）, varieties bred before 1983 （B82） and after 1983 （A83） collected from Chinese wheat growing areas. generally, heading date of landrace was longer than that of varieties. Signiifcant differences in the heading time existed within the groups, which implied that diversiifcation selection was much helpful for adaptation in each wheat zone. Photoperiod insensitive allele Ppd-D1a was the ifrst choice for both landrace and modern varieties, which promoted the heading date about four days earlier than that of sensitive allele Ppd-D1b. The three SSR loci had different characters in the three groups. Predominant allele combination for each zone was predicted for wheat group L and A83, which made great contribution to advantageous traits. Xgwm219 was found to be signiifcantly associated with heading date in Yellow and Huai River Winter Wheat Zone （Zone II） and spike length in Middle and lower Yangtze Valley Winter Wheat Zone （Zone III）, which implied functional diversiifcation for adaption. Variation for earliness genes provided here will be helpful for whet breeding in future climatic change.

关键词： allele variation adaptation wheat (Triticum aestivum L.)

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