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Identification of P-type plasma membrane H^(+)-ATPases in common wheat and characterization of TaHA7 associated with seed dormancy and germination

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Journal of Integrative Agriculture 2024年第7期23卷 2164-2177页

作者： Bingli Jiang Wei Gao Yating Jiang Shengnan Yan Jiajia Cao Litian Zhang Yue Zhang Jie Lu Chuanxi Ma Cheng Chang Haiping Zhang Key Laboratory of Wheat biology and Genetic Improvement on Southern Yellow&Huai River Valley Ministry of Agriculture and Rural Affairs/College of AgronomyAnhui Agricultural UniversityHefei 230036China

The P-type plasma membrane(PM)H^(+)-ATPases(HAs)are crucial for plant development,growth,and *** HAs have been thoroughly characterized in many different ***,despite their importance,the functions of HAs in germination and seed dormancy(SD)have not been validated in ***,we identified 28 TaHA genes(TaHA1-28)in common wheat,which were divided into five *** examination of gene expression in strong-and weak-SD wheat varieties led to the discovery of six candidate genes(TaHA7/-12/-14/-16/-18/-20).Based on a single nucleotide polymorphism(SNP)mutation(C/T)in the TaHA7 coding region,a CAPS marker(HA7)was developed and validated in 168 wheat varieties and 171 Chinese mini-core collections that exhibit diverse germination and SD *** further verified the roles of the two allelic variations of TaHA7 in germination and SD using wheat mutants mutagenized with ethyl methane sulphonate(EMS)in‘Jimai 22’and‘Jing 411’backgrounds,and in transgenic Arabidopsis ***7 appears to regulate germination and SD by mediating gibberellic acid(GA)and abscisic acid(ABA)signaling,metabolism,and *** results presented here will enable future research regarding the TaHAs in wheat.

关键词： wheat P-type plasma membrane H^(+)-ATPase seed dormancy abscisic acid gibberellin

A bHLH transcription factor,CsSPT,regulates high-temperature resistance in cucumber

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Horticultural plant Journal 2024年第2期10卷 503-514页

作者： Yonggui Liang Chenyu Yang Fangyan Ming Bingwei Yu Zhihua Cheng Yixi Wang Zhengkun Qiu Xiaolan Zhang Bihao Cao Shuangshuang Yan Key Laboratory of biology and Genetic Improvement of Horticultural Crops(South China) Ministry of Agriculture and Rural AffairsGuangdong Vegetable Engineering and Technology Research CenterCollege of HorticultureSouth China Agricultural UniversityGuangzhouGuangdong 510642China State Key Laboratories of Agrobiotechnology Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable CropsMOE Joint Laboratory for International Cooperation in Crop Molecular BreedingChina Agricultural UniversityBeijing 100193China

High-temperature stress threatens the growth and yield of crops. Basic helix-loop-helix(bHLH) transcription factors(TFs) have been shown to play important roles in regulating high-temperature resistance in plants. However, the bHLH TFs responsible for high-temperature tolerance in cucumbers have not been identified. We used transcriptome profiling to screen the high temperature-responsive candidate bHLH TFs in cucumber. Here, we found that the expression of 75 CsbHLH genes was altered under high-temperature stress. The expression of the CsSPT gene was induced by high temperatures in TT(Thermotolerant) cucumber plants. However, the Csspt mutant plants obtained by the CRISPR-Cas9 system showed severe thermosensitive symptoms, including wilted leaves with brown margins and reduced root density and cell *** Csspt mutant plants also exhibited elevated H_(2)O_(2) levels and down-regulated photosystem-related genes under normal ***, there were high relative electrolytic leakage(REC), malondialdehyde(MDA), glutathione(GSH), and superoxide radical(O_(2)^(·-)) levels in the Csspt mutant plants, with decreased Proline content after the high-temperature treatment. Transcriptome analysis showed that the photosystem and chloroplast activities in Csspt mutant plants were extremely disrupted by the high-temperature stress compared with wildtype(WT) plants. Moreover, the plant hormone signal transduction, as well as MAPK and calcium signaling pathways were activated in Csspt mutant plants under high-temperature stress. The HSF and HSP family genes shared the same upregulated expression patterns in Csspt and WT plants under high-temperature conditions. However, most bHLH, NAC, and bZIP family genes were significantly down-regulated by heat in Csspt mutant plants. Thus, these results demonstrated that CsSPT regulated the high-temperature response by recruiting photosynthesis components, signaling pathway molecules, and transcription factors. Our results pro

关键词： Cucumber bHLH CsSPT Photosynthesis High temperature

Striking a growth–defense balance:Stress regulators that function in maize development

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Journal of Integrative plant biology 2024年第3期66卷 424-442页

作者： Shiyi Xie Hongbing Luo Wei Huang Weiwei Jin Zhaobin Dong Maize Engineering and Technology Research center of Hunan Province College of AgronomyHunan Agricultural UniversityChangsha 410128China State Key Laboratory of Maize Bio-breeding National Maize Improvement CenterFrontiers Science Center for Molecular Design BreedingChina Agricultural UniversityBeijing 100193China Tianjin Key Laboratory of Intelligent Breeding of Major Crops Fresh Corn Research Center of BTHCollege of Agronomy&Resources and EnvironmentTianjin Agricultural UniversityTianjin 300384China

Maize(Zea mays)cultivation is strongly affected by both abiotic and biotic stress,leading to reduced growth and *** has recently become clear that regulators of plant stress responses,including the phytohormones abscisic acid(ABA),ethylene(ET),and jasmonic acid(JA),together with reactive oxygen species(ROS),shape plant growth and *** their well established functions in stress responses,these molecules play crucial roles in balancing growth and defense,which must be finely tuned to achieve high yields in crops while maintaining some level of *** this review,we provide an in-depth analysis of recent research on the developmental functions of stress regulators,focusing specifically on *** unraveling the contributions of these regulators to maize development,we present new avenues for enhancing maize cultivation and growth while highlighting the potential risks associated with manipulating stress regulators to enhance grain yields in the face of environmental challenges.

关键词： stress regulators maize development ABA ET JA ROS

Intracellular phosphate sensing in plants

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Molecular plant 2022年第12期15卷 1831-1833页

作者： Guojie Ma Viswanathan Satheesh Mingguang Lei Shanghai center for plant Stress biology CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200032China

Phosphorus is a building block in various biomolecules such as nucleic acids,proteins,and *** also plays pivotal roles in many metabolic pathways,including photosynthesis and respiration(Bowler et al.,2010).plants take up phosphorus as inorganic phosphate(Pi),which is limited in most soils,and Pi constraints affect plant growth and development and hence agricultural *** cope with low Pi availability in soil,plants have evolved complex mechanisms to maintain Pi homeostasis at the whole-plant and cellular level,which includes Pi uptake,storage,and redistribution.

关键词： soil maintain hence

GmAP1d regulates flowering time under long-day photoperiods in soybean

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The Crop Journal 2024年第3期12卷 845-855页

作者： Shiyu Guo Yanfei Li Hongmei Qiu Guoyu Hu Chaosen Zhao Ruizhen Wang Hao Zhang Yu Tian Xiaoyu Li Bin Liu Ying-hui Li Li-juan Qiu College of Agriculture Northeast Agricultural UniversityHarbin 150030HeilongjiangChina State Key Laboratory of Crop Gene Resources and Breeding/The National Key Facility for Crop Gene Resources and Genetic Improvement(NFCRI)/Key Laboratory of Grain Crop Genetic Resources Evaluation and Utilization(MARA) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Jilin Academy of Agricultural Sciences/National Engineering Research center for Soybean Changchun 130033JilinChina Crop Research Institute Anhui Academy of Agricultural SciencesHefei 230031AnhuiChina Crops Research Institute of Jiangxi Academy of Agricultural Sciences/Jiangxi Province Key Laboratory of Oilcrops biology Nanchang 330200JiangxiChina Key Lab of Chinese Medicine Resources Conservation State Administration of Traditional Chinese Medicine of the People’s Republic of ChinaInstitute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100193China

Flowering time is important for adaptation of soybean(Glycine max)to different ***,we conducted a genome-wide association study of flowering time using a panel of 1490 cultivated soybean *** identified three strong signals at the qFT02-2 locus(Chr02:12037319–12238569),which were associated with flowering time in three environments:Gongzhuling,Mengcheng,and *** analyzing linkage disequilibrium,gene expression patterns,gene annotation,and the diversity of variants,we identified an AP1 homolog as the candidate gene for the qFT02-2 locus,which we named *** one nonsynonymous polymorphism existed among 1490 soybean accessions at position Chr02:*** carrying the Chr02:12087053-T allele flowered significantly earlier than those carrying the Chr02:12087053-A ***,we developed a cleaved amplified polymorphic sequence(CAPS)marker for the SNP at Chr02:12087053,which is suitable for marker-assisted breeding of flowering *** of GmAP1d in the‘Williams 82’background by gene editing promoted flowering under long-day conditions,confirming that GmAP1d is the causal gene for *** analysis of the region surrounding GmAP1d revealed that GmAP1d was artificially selected during the genetic improvement of *** stepwise selection,the proportion of modern cultivars carrying the Chr02:12087053-T allele has increased,and this allele has become nearly fixed(95%)in northern *** findings provide a theoretical basis for better understanding the molecular regulatory mechanism of flowering time in soybean and a target gene that can be used for breeding modern soybean cultivars adapted to different latitudes.

关键词： Soybean Flowering time GWAS GmAP1d Long-day conditions

NUCLEAR PORE ANCHOR and EARLY IN SHORT DAYS 4 negatively regulate abscisic acid signaling by inhibiting Snf1-related protein kinase2 activity and stability in Arabidopsis

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Journal of Integrative plant biology 2022年第11期64卷 2060-2074页

作者： Ya-Nan Chang Zhijuan Wang Ziyin Ren Chun-Han Wang Pengcheng Wang Jian-Kang Zhu Xia Li Cheng-Guo Duan Shanghai center for plant Stress biology and center of Excellence in Molecular plant Sciences the Chinese Academy of ScienceShanghai 201602China University of Chinese Academy of Sciences Beijing 100049China National Key Laboratory of Crop Genetic and Improvement College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China Department of Horticulture and Architecture Landscape Purdue UniversityWest LafayetteIN 47907USA

Abscisic acid(ABA)is a key regulator of plant responses to abiotic stresses,such as *** acid receptors and coreceptors perceive ABA to activate Snf1-related protein kinase2 s(SnRK2s)that phosphorylate downstream effectors,thereby activating ABA signaling and the stress *** stress responses come with fitness penalties for plants,it is crucial to tightly control SnRK2 kinase activity to restrict ABA ***,how SnRK2 kinases are inactivated remains ***,we show that NUCLEAR PORE ANCHOR(NUA),a nuclear pore complex(NPC)component,negatively regulates ABA-mediated inhibition of seed germination and post-germination growth,and drought tolerance in Arabidopsis *** role of NUA in response to ABA depends on SnRK2.2 and SnRK2.3 for seed germination and on SnRK2.6 for *** does not directly inhibit the phosphorylation of these SnRK2s or affects their ***,the NUA-interacting protein EARLY IN SHORT DAYS 4(ESD4),a SUMO protease,negatively regulates ABA signaling by directly interacting with and inhibiting SnRK2 phosphorylation and protein *** importantly,we demonstrated that SnRK2.6 can be SUMOylated in vitro,and ESD4 inhibits its *** together,we identified NUA and ESD4 as SnRK2 kinase inhibitors that block SnRK2 activity,and reveal a mechanism whereby NUA and ESD4 negatively regulate plant responses to ABA and drought stress possibly through SUMOylation-dependent regulation of SnRK2s.

关键词： ABA drought tolerance ESD4 NUA SnRK2

plant latent defense response to microbial non-pathogenic factors antagonizes compatibility

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National Science Review 2022年第8期9卷 26-34页

作者： Yu Yang Shenglan Chen Xiaoxuan Wu Li Peng Juan I.Vílchez Richa Kaushal Xiaomin Liu Sunil K.Singh Danxia He Fengtong Yuan Suhui Lv Rafael J.L.Morcillo Wei Wang Weichang Huang Mingguang Lei Jian-Kang Zhu Paul W.Paré Huiming Zhang Shanghai center for plant Stress biology Center for Excellence in Molecular Plant Sciences Chinese Academy of Sciences University of Chinese Academy of Sciences Shanghai Chenshan Botanical Garden Department of Chemistry and Biochemistry Texas Tech University

Unlike microbe-associated molecular patterns(MAMPs) that are readily targeted by host immunity,microbial non-pathogenic factors(NPFs) appear negligible as they do not elicit defense. Little is known about whether and how NPFs may be monitored by hosts to control compatibility. Herein, a forward genetic screening isolated an Arabidopsis mutant with a loss of plant-rhizobacteria mutualism, leading to the disclosure of a plant latent defense response(LDR) to NPFs. The activation of LDR in the mutant,named rol1 for regulator of LDR 1, is triggered by several non-pathogenic volatile organic compounds and antagonizes plant compatibility with the beneficial bacterium Bacillus amyloliquefaciens GB03. The activation of LDR in rol1 is mediated through the prokaryotic pathway of chloroplastic lipid *** rol1 root microbiome showed a reduced proportion of the Bacillaceae family. We propose that, parallel to the forefront immunity to MAMPs, LDR to certain NPFs provides a hidden layer of defense for controlling compatibility with commensal or beneficial microbes.

关键词： microbial non-pathogenic factors latent defense response compatibility plant-beneficial bacteria chloroplastic lipid biosynthesis

Resistance index and browning mechanism of apple peel under high temperature stress

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Horticultural plant Journal 2024年第2期10卷 305-317页

作者： Hui Wang Shuhui Zhang Zidun Wang Dongmei Li Leiyu Yan Yifeng Feng Xiaojie Liu Rongxin Chen Wenmin Fan Lulong Sun Zhengyang Zhao College of Horticulture Northwest A&F UniversityYanglingShaanxi 712100China College of Horticultural Science and Engineering Shandong Agricultural University State Key Laboratory of Crop BiologyTai'anShandong 271018China

Apples are one of the most important economic crops *** of global warming and an aggravation of environmental,abnormally high temperatures occur frequently in fruit-growing season and seriously affect normal fruit growth and reduce fruit quality and *** took five-year-old Ruixue’(Qinfu 1×Pink Lady;CNA20151469.1) fruits as test materials,and the ambient temperature during fruit development was *** results showed that during the fruit-growing season,especially during the rapid growth stage (July to August),the maximum daily temperature exceeded 30℃ and lasted for more than 40 *** determine the effects of high temperature stress on the apple fruit resistance,we treated expanding,veraison,and maturity-period fruits at different *** was found that the fruits of the expanding period showed strong resistance to high temperature stress,whereas during veraison and maturity,fruit resistance to high temperature stress decreased,and the fruit peel browning phenotype ***,the content of malonaldehyde (MDA),hydrogen peroxide (H_(2)O_(2)),and superoxide anion (O._(2)^(-)) in the peel gradually increased with increasing *** content of total phenols,flavanol,and flavonoids in the peel decreased substantially at 45℃.Moreover,it was found that polyphenol oxidase gene (MdPPO1) was most sensitive to high temperature stress in ***,transient and stable MdPPO1 overexpression significantly promoted peel *** transgenic materials were more sensitive to high temperatures,and browning was more severe compared to non-genetically modified organism (WT).Stable MdPPO1 knockout calli obtained via clustered regularly interspersed short palindromic repeats (CRISPR/Cas9) gene knockout technology reduced the browning phenotype,and the resultant fruits were not sensitive to the effects of high temperature ***,MdPPO1 expression may be a key factor of high temperature-related changes observed in the browni

关键词： Malus domestica Borkh High temperature stress Peel Browning MdPPO1

The OsWRKY72-OsAAT30/OsGSTU26 module mediates reactive oxygen species scavenging to drive heterosis for salt tolerance in hybrid rice

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Journal of Integrative plant biology 2024年第4期66卷 709-730页

作者： Citao Liu Bigang Mao Yanxia Zhang Lei tian Biao Ma Zhuo Chen Zhongwei Wei Aifu Li Ye Shao Gongye Cheng Lingling Li Wenyu Li Di Zhang Xiaoping Ding Jiangxiang Peng Yulin Peng Jiwai He Nenghui Ye Dingyang Yuan Chengcai Chu Meijuan Duan Hunan Provincial Key Laboratory of Stress biology College of AgricultureHunan Agricultural UniversityChangsha 410128China State Key Laboratory of Hybrid Rice Hunan Hybrid Rice Research CenterChangsha 410125China College of Agriculture South China Agricultural UniversityGuangzhou 510642China State Key Laboratory of Wheat and Maize Crop Science Center for Crop Genome EngineeringCollege of AgronomyHenan Agricultural UniversityZhengzhou 450002China College of Horticulture Fujian Agriculture and Forestry UniversityFuzhou 350002China Department of Computational Medicine and Bioinformatics University of MichiganAnn ArborMI 48109 USA Biobin Data Science Co. Ltd.Changsha 410221China

Hybrid rice(Oryza sativa)generally outperforms its inbred parents in yield and stress tolerance,a phenomenon termed heterosis,but the underlying mechanism is not completely ***,we combined transcriptome,proteome,physiological,and heterosis analyses to examine the salt response of super hybrid rice Chaoyou1000(CY1000).In addition to surpassing the mean values for its two parents(mid-parent heterosis),CY1000 exhibited a higher reactive oxygen species scavenging ability than both its parents(over-parent heterosis or heterobeltiosis).Nonadditive expression and allele-specific gene expression assays showed that the glutathione S-transferase gene OsGSTU26 and the amino acid transporter gene OsAAT30 may have major roles in heterosis for salt tolerance,acting in an overdominant fashion in ***,we identified OsWRKY72 as a common transcription factor that binds and regulates OsGSTU26 and *** salt-sensitive phenotypes were associated with the OsWRKY72^(paternal)genotype or the OsAAT30^(maternal)genotype in core rice germplasm ***72^(paternal)specifically repressed the expression of OsGSTU26 under salt stress,leading to salinity sensitivity,while OsWRKY72^(maternal)specifically repressed OsAAT30,resulting in salinity *** results suggest that the OsWRKY72-OsAAT30/OsGSTU26 module may play an important role in heterosis for salt tolerance in an overdominant fashion in CY1000 hybrid rice,providing valuable clues to elucidate the mechanism of heterosis for salinity tolerance in hybrid rice.

关键词： allele-specific gene expression(ASE) heterosis hybrid rice nonadditive effect(NAE) salt tolerance transcriptome and proteome