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Integrative multi-omics approaches reveal that Asian cultivated rice domestication influences its symbiotic relationship with arbuscular mycorrhizal fungi

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Pedosphere 2024年第2期34卷 315-327页

作者： Lei TIAN Jilin WANG Hongping CHEN Weiqiang LI lam-son phan tran Chunjie TIAN Key Laboratory of Mollisols Agroecology State Key Laboratory of Black Soils Conservation and UtilizationNortheast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China Rice Research Institute Jiangxi Academy of Agricultural SciencesNanchang 330200China Institute of Genomics for Crop Abiotic Stress Tolerance Department of Plant and Soil ScienceTexas Tech UniversityLubbock TX 79409USA

Potential changes in the symbiotic relationship between rice(Oryza sativa)and microorganisms have occurred during the domestication of Asian cultivated rice(***)from common wild rice(Oryza rufipogon)and in response to global climate change,along with evolving adaptations to the *** potential genes may express differently or dominate the symbiotic relationships between arbuscular mycorrhizal fungi(AMF)and plants,which may be beneficial to rice *** date,research on this important topic has been *** this study,we aimed to examine the symbiotic relationships of Asian common wild and cultivated rice species with *** conducting a comparative metagenomic analysis of the rhizospheres of wild and cultivated rice species,we identified differences in Rhizophagus intraradices-related genes associated with wild and cultivated rice,as well as functional genes of ***,we obtained root-related genes associated with AMF from transcriptome data of rice *** results collectively suggest that ***-related genes in the rhizosphere of wild rice may be more conducive to its ***,bacteria from the Nitrosomonadaceae and Nitrospiraceae families identified in the rhizosphere of wild rice exhibited positive correlations with ***-related genes with protein identifiers 1480749 and1871253,which may indicate that nitrobacteria can enhance the functions of *** in association with wild ***,in a case study using comparative transcriptome analysis of root samples obtained from ***-inoculated wild and cultivated rice plants,we found significantly higher expression levels of the strigolactone pathway-related genes DWARF3(D3)and DWARF14(D14)in ***-inoculated common wild rice than in ***-inoculated cultivated *** study provides a theoretical basis for identifying the effects of domestication on mycorrhizal symbiosis-related genes,which could be promoted in wi

关键词： Rhizophagus intraradices root-related gene symbiotic effect strigolactone wild rice

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Contribution of Genomics to Gene Discovery in Plant Abiotic Stress Responses

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Molecular Plant 2012年第6期5卷 1176-1178页

作者： Yun Ma Feng Qin lam-son phan tran Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing100039Chlna Signaling Pathway Research Unit Plant Science CenterRIKEN Yokohama Institute1-7-22Suehiro-choTsurumiYokohama 230-0045Japan

Sustaining agricultural production under adverse environ- mental conditions, such as drought and high salinity, rep- resents a major challenge. The discovery of key genes and signal transduction pathways underlying plant responses to environmental stress will play an important role in devel- oping strategies for the genetic improvement of crops to address this challenge. Crop functional genomics has greatly contributed to the identification of abiotic stress-related genes. Current advances in genomic technologies now pro- vide effective and high-throughput methods for identifying stress-related genes at a genome-wide level, especially with the availability of the complete genomic sequence of several model and crop plant species. The development of genetic database resources has allowed bioinformatic approaches to identify stress-tolerant gene families across species based on homology and synteny. Additionally, genome-wide associa- tion studies （GWAS） for complex trait loci in crops have facili- tated the discovery of critical stress-related genes and their favorable alleles.

关键词：等位基因基因基因组基因组学认同(心理学) 同线性卫生资源信号传导

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Strigolactones interact with other phytohormones to modulate plant root growth and development

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The Crop Journal 2022年第6期10卷 1517-1527页

作者： Huwei Sun Weiqiang Li David J.Burritt Hongtao Tian Heng Zhang Xiaohan Liang Yuchen Miao Mohammad Golam Mostofa lam-son phan tran Laboratory of Rice Biology in Henan Province Collaborative Innovation Center of Henan Grain CropsCollege of AgronomyHenan Agricultural UniversityZhengzhou 450046HenanChina Jilin Da’an Agro-ecosystem National Observation Research Station Changchun Jingyuetan Remote Sensing Experiment StationKey Laboratory of Mollisols AgroecologyNortheast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102JilinChina State Key Laboratory of Cotton Biology Henan Joint International Laboratory for Crop Multi-Omics ResearchSchool of Life SciencesHenan UniversityKaifeng 475001HenanChina d Department of Botany University of OtagoDunedin 9054New Zealand Institute of Genomics for Crop Abiotic Stress Tolerance Department of Plant and Soil ScienceTexas Tech UniversityLubbockTX 79409USA Institute of Research and Development Duy Tan University03 Quang TrungDa Nang 550000Vietnam

Strigolactones(SLs),which are biosynthesized mainly in roots,modulate various aspects of plant growth and ***,we review recent research on the role of SLs and their cross-regulation with auxin,cytokinin,and ethylene in the modulation of root growth and *** nutrientsufficient conditions,SLs regulate the elongation of primary roots and inhibit adventitious root formation in eudicot *** promote the elongation of seminal roots and increase the number of adventitious roots in grass plants in the short term,while inhibiting lateral root development in both grass and eudicot *** effects of SLs on the elongation of root hairs are variable and depend on plant species,growth conditions,and SL *** or phosphate deficiency induces the accumulation of endogenous SLs,modulates root growth and *** analyses indicate cross-regulation of SLs with auxin,cytokinin,and ethylene in regulation of root growth and *** discuss the implications of these studies and consider their potential for exploiting the components of SL signaling for the design of crop plants with more efficient soil-resource utilization.

关键词： Cross-regulation Development Phytohormones Roots Signaling Strigolactones

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Regulation of Photosynthesis during Abiotic Stress-Induced Photoinhibition

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Molecular Plant 2015年第9期8卷 1304-1320页

作者： Mayank Anand Gururani Jelli Venkatesh lam-son phan tran School of Biotechnology Yeungnam University Gyeongsan Gyeongbook 772-749 Korea Department of Bioresource and Food Science Konkuk University Seou1143-701 Korea Signaling Pathway Research Unit RIKEN Center for Sustainable Resource Science 1-7-22 Suehiro-cho Tsurumi Yokohama Kanagawa 230-0045 Japan

Plants as sessile organisms are continuously exposed to abiotic stress conditions that impose numerous detrimental effects and cause tremendous loss of yield. Abiotic stresses, including high sunlight, confer serious damage on the photosynthetic machinery of plants. Photosystem II （PSII） is one of the most susceptible components of the photosynthetic machinery that bears the brunt of abiotic stress. In addition to the generation of reactive oxygen species （ROS） by abiotic stress, ROS can also result from the absorption of excessive sunlight by the light-harvesting complex. ROS can damage the photosynthetic apparatus, particularly PSII, resulting in photoinhibition due to an imbalance in the photosynthetic redox signaling pathways and the inhibition of PSII repair. Designing plants with improved abiotic stress tolerance will require a comprehensive understanding of ROS signaling and the regulatory functions of various components, including protein kinases, transcription factors, and phytohormones, in the responses of photosynthetic machinery to abiotic stress. Bioenergetics approaches, such as chlorophyll a transient kinetics analysis, have facilitated our understanding of plant vitality and the assessment of PSII efficiency under adverse environmental conditions. This review discusses the current understanding and indicates potential areas of further studies on the regulation of the photosynthetic machinery under abiotic stress.

关键词： abiotic stress chlorophyll a fluorescence hormones light-harvesting complex photosynthesis

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Biochar potentially enhances maize tolerance to arsenic toxicity by improving physiological and biochemical responses to excessive arsenate

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Biochar 2023年第1期5卷 1222-1242页

作者： Md.Mezanur Rahman Ashim Kumar Das Sharmin Sultana Protik Kumar Ghosh Md.Robyul Islam Sanjida Sultana Keya Minhaz Ahmed Sheikh Arafat Islam Nihad MdArifur Rahman Khan Mylea C.Lovell Md.Abiar Rahman S.M.Ahsan Touhidur Rahman Anik Pallavi Fnu lam-son phan tran Mohammad Golam Mostofa Department of Plant Soil ScienceInstitute of Genomics for Crop Abiotic Stress ToleranceTexas Tech UniversityLubbockTX 79409USA Department of Agroforestry EnvironmentBangabandhu Sheikh Mujibur Rahman Agricultural UniversityGazipur 1706Bangladesh Institute of Biotechnology and Genetic Engineering(IBGE) Bangabandhu Sheikh Mujibur Rahman Agricultural UniversityGazipur 1706Bangladesh Department of Agronomy Bangabandhu Sheikh Mujibur Rahman Agricultural UniversityGazipur 1706Bangladesh Plant Pathology Division Bangladesh Rice Research InstituteGazipur 1701Bangladesh Department of Agriculture Bangabandhu Sheikh Mujibur Rahman ScienceTechnology UniversityGopalganj 8100Bangladesh Department of Energy Plant Research Laboratory Michigan State UniversityEast LansingMI 48824USA Plant Resilience Institute Michigan State UniversityEast LansingMI 48824USA Department of Biochemistry and Molecular Biology Michigan State UniversityEast LansingMI 48824USA

Metalloid pollution,including arsenic poisoning,is a serious environmental issue,plaguing plant productivity and quality of life ***,a carbon-rich material,has been known to alleviate the negative effects of environmental pollutants on ***,the specific role of biochar in mitigating arsenic stress in maize remains relatively ***,we elucidated the functions of biochar in improving maize growth under the elevated level of sodium arsenate(Na_(2)AsO_(4),AsV).Maize plants were grown in pot-soils amended with two doses of biochar(2.5%(B1)and 5.0%(B2)biochar Kg^(−1) of soil)for 5 days,followed by exposure to Na_(2)AsO_(4)(’B1+AsV’and’B2+AsV’)for 9 *** plants exposed to AsV only accumulated substantial amount of arsenic in both roots and leaves,triggering severe phytotoxic effects,including stunted growth,leaf-yellowing,chlorosis,reduced photosynthesis,and nutritional imbalance,when compared with control ***,biochar addition improved the phenotype and growth of AsV-stressed maize plants by reducing root-to-leaf AsV translocation(by 46.56 and 57.46%in‘B1+AsV’and‘B2+AsV’plants),improving gas-exchange attributes,and elevating chlorophylls and mineral levels beyond AsV-stressed *** pretreatment also substantially counteracted AsV-induced oxidative stress by lowering reactive oxygen species accumulation,lipoxygenase activity,malondialdehyde level,and electrolyte *** oxidative stress in‘B1+AsV’and‘B2+AsV’plants likely supported by a strong antioxidant system powered by biochar-mediated increased activities of superoxide dismutase(by 25.12 and 46.55%),catalase(51.78 and 82.82%),and glutathione S-transferase(61.48 and 153.83%),and improved flavonoid levels(41.48 and 75.37%,respectively).Furthermore,increased levels of soluble sugars and free amino acids also correlated with improved leaf relative water content,suggesting a better osmotic acclimatization mechanism in biochar-pretreated AsV-exposed plants.

关键词： Arsenic contamination Antioxidant defense system Biochar Gas-exchange attributes Nutrient dynamics Oxidative stress

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One-loopformulas for H→Zν_(ι)ν_(ι),forιe,μ,τin't Hooft-Veltman gauge

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Chinese Physics C 2023年第5期47卷 112-131页

作者： Dzung Tri tran Khiem Hong phan Institute of Fundamental and Applied Sciences Duy Tan UniversityHo Chi Minh City 700000Vietnam Faculty of Natural Sciences Duy Tan UniversityDa Nang City 550000Vietnam

In this paper,we present analytical results for one-loop contributions to the decay processes H-Zvivi(for I=e,μ,T).The calculations are performed within the Standard Model framework in the't Hooft-Veltman ***-loop form factors are then written in terms of scalar one-loop functions in the standard notations of *** a result,one-loop decay rates for the decay channels can be evaluated numerically by using the ***,we analyze the signals of H→Zvivi via the production processes e-e+→ZH*-Z(H*→Zν_(ι)ν_(ι)),including the initial beam polarizations at future lepton *** Standard Model backgrounds,such as the processes e-e+→ν_(ι)ν_(ι)ZZ,are also examined in this *** results indicate that one-loop corrections make contributions of approximately 10%to the decay *** are sizeable contributions and should be taken into account at future *** show that the signals H-Zν_(ι)ν_(ι)are clearly visible at the center-of-mass energy√s=250 GeV and are difficult to probe in higher-energy regions owing to the dominant backgrounds.

关键词： Higgs phenomenology one-loop Feynman integrals analytic methods for quantum field theory dimensional regularization future colliders

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AN EXTENSION OF ZOLOTAREV'S PROBLEM AND SOME RELATED RESULTS

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Acta Mathematica Scientia 2021年第5期41卷 1619-1634页

作者： tran Loc HUNG phan Tri KIEN University of Finance and Marketing 77 Nguyen Kiem StreetPhu Nhuan DistrictHo Chi Minh CityVietnam

The main purpose of this paper is to extend the Zolotarev's problem concerning with geometric random sums to negative binomial random sums of independent identically distributed random *** extension is equivalent to describing all negative binomial infinitely divisible random variables and related *** Trotter-operator technique together with Zolotarev-distance's ideality,some upper bounds of convergence rates of normalized negative binomial random sums(in the sense of convergence in distribution)to Gamma,generalized Laplace and generalized Linnik random variables are *** obtained results are extension and generalization of several known results related to geometric random sums.

关键词： Zolotarev's problem geometric random sum negative binomial random sum negative binomial infinitely divisibility Trotter-operator technique

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One-loop contributions for h→ℓℓγ and e−e+→hγ in the U(1)_(B−L) extension of the standard model

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Chinese Physics C 2024年第5期48卷 23-49页

作者： tran Dzung Tri Thanh Huy Nguyen Khiem Hong phan Institute of Fundamental and Applied Sciences Duy Tan UniversityHo Chi Minh City 700000Vietnam Faculty of Natural Sciences Duy Tan UniversityDa Nang City 550000Vietnam VNUHCM-University of Science 227 Nguyen Van CuDistrict 5Ho Chi Minh CityVietnam

We present one-loop contributions for h→ℓℓγ with ℓ=νe,μ,τ,e,μ and e−e+→hγ in the U(1)_(B−L) extension of the standard model. In the phenomenological results, the signal strengths for h→ℓℓγ at the Large Hadron Collider and for e−e+→hγ at future lepton colliders are analyzed in the physical parameter space for both the vector and chiral B−L models. We found that the contributions from the neutral gauge boson Z′ to the signal strengths are rather small. Consequently, the effects will be difficult to probe at future colliders. However, the impacts of charged Higgs and CP-odd Higgs in the chiral B−L model on the signal strengths are significant and can be measured with the help of the initial polarization beams at future lepton colliders.

关键词： Higgs phenomenology one-loop Feynman integrals analytic methods for quantum field theory dimensional regularization future lepton colliders

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Rare-earth free sensitizer in NaLuCrF_4:Er upconversion material

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Journal of Rare Earths 2019年第4期37卷 345-349页

作者： Bui The Huy Zayakhuu Gerelkhuu The-Long phan Ngo tran Yong-IllLee Institute of Research and Development Duy Tan University Department of Chemistry Changwon National University Department of Physics Hankuk University of Foreign Studies

Upconversion phosphors are known as a material system that can convert near-infrared light into visible/ultraviolet emissions by sequentially absorbing multiple photons. The studies on upconversion materials often use two rare earth(RE) ions as a sensitizer-activator pair. We investigated the influences on luminescence intensity depending on Cr-doping content(x) of hexagonal NaLu_(0.98-x)Cr_xF4 Er_(0.02)(x = 0-0.9)upconversion material by substituting Lu^(3+) ions with Cr^(3+)in the absence of Gd^(3+). The change in upconversion luminescence intensity appears with saddle-like shape. We suggest that Cr^(3+) ions play the dual role as a constituent in host lattice and a sensitizer in the upconversion process. Optimal conditions for gaining the strongest upconversion emission correspond to x = 0.3-0.5, where there are effective energy transfers between Cr^(3+) and Er^(3+) ions and Cr-Er dimers. Apart from these values, the emission intensity decreases rapidly which can be ascribed to the absence of multiple-photon absorption for the case of low Cr^(3+) contents, and to the coupling between Cr^(3+) and/or Er^(3+) ions for the case of high Cr^(3+)contents. Magnetization and electron-spin-resonant measurements were performed to understand the correlation between the optical and magnetic properties.

关键词： Upconversion materials Sensitizer transition metal ions Magnetism

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Intermediary RRT*-PSO:A Multi-Directional Hybrid Fast Convergence Sampling-Based Path Planning Algorithm

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Computers, Materials & Continua 2023年第8期76卷 2281-2300页

作者： Loc Q.Huynh Ly V.tran Phuc N.K.phan Zhiqiu Yu son V.T.Dao School of Industrial Engineering and Management International UniversityVietnam National University HCMCHo Chi Minh City700000Vietnam Department of Industrial Management National Taiwan University of Science and TechnologyTaipei City106335Taiwan

Path planning is a prevalent process that helps mobile robots find the most efficient pathway from the starting position to the goal position to avoid collisions with *** this paper,we propose a novel path planning algorithm-Intermediary RRT*-PSO-by utilizing the exploring speed advantages of Rapidly exploring Random Trees and using its solution to feed to a metaheuristic-based optimizer,Particle swarm optimization(PSO),for fine-tuning and *** Phase 1,the start and goal trees are initialized at the starting and goal positions,respectively,and the intermediary tree is initialized at a random unexplored region of the search *** trees were grown until one met the other and then merged and re-initialized in other unexplored *** the start and goal trees merge,the first solution is found and passed through a minimization process to reduce unnecessary *** 2 begins by feeding the minimized solution from Phase 1 as the global best particle of PSO to optimize the *** simulating two special benchmark configurations and six practice configurations with special cases,the results of the study concluded that the proposed method is capable of handling small to large,simple to complex continuous environments,whereas it was very tedious for the previous method to achieve.

关键词： Motion planning global path planning rapidly exploring random trees particle swarm optimization

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