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Establishment of a transformation system in close relatives of wheat under the assistance of TaWOX5

Journal of Integrative Agriculture 2024年第6期23卷 1839-1849页

作者： Yanan Chang Junxian Liu Chang Liu Huiyun Liu Huali tang Yuliang Qiu Zhishan Lin Ke Wang Yueming Yan Xingguo ye Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Beijing Key Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environment Improvement/College of Life Science Capital Normal UniversityBeijing 100048China College of Agronomy and Biotechnology China Agricultural UniversityBeijing 100193China State Key Laboratory of Plant Cell and Chromosome Engineering/Institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China

Species closely related to wheat are important genetic resources for agricultural production,functional genomics studies and wheat *** this study,a wheat gene related to regeneration,TaWOX5,was applied to establish the Agrobacterium-mediated transformation systems of Triticum monococcum,hexaploid triticale,and rye(Secale cereale L.)using their immature *** plants were efficiently *** the transformation process,the Agrobacterium infection efficiency was assessed by histochemical staining forβ-glucuronidase(GUS).Finally,the transgenic nature of regenerated plants was verified by polymerase chain reaction(PCR)-based genotyping for the presence of the GUS and bialaphos resistance(bar)genes,histochemical staining for GUS protein,and the QuickStix strip assay for bar *** transformation efficiency of *** genotype PI428182 was 94.4%;the efficiencies of four hexaploid triticale genotypes Lin456,ZS3297,ZS1257,and ZS3224 were 52.1,41.2,19.4,and 16.0%,respectively;and the transformation efficiency of rye cultivar Lanzhou Heimai was 7.8%.Fluorescence in situ hybridization(FISH)and genomic in situ hybridization(GISH)analyses indicated that the GUS transgenes were integrated into the distal or near centromere(proximal)regions of the chromosomes in transgenic *** and hexaploid triticale *** the transgenic hexaploid triticale plants,the foreign DNA fragment was randomly integrated into the AABB and RR ***,the transgene was almost stably inherited in the next generation by Mendel’s *** findings in this study will promote the genetic improvement of the three plant species for grain or forage production and the improvement of cereal species including wheat for functional genomics studies.

关键词： Triticum monococcum hexaploid triticale rye TaWOX5 Agrobacterium transformation efficiency

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Age and fluid source constraints of the Haoyaoerhudong orogenic gold deposit,North China:Evidence from geochronology and noble gas isotopes

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Geoscience Frontiers 2024年第4期15卷 176-195页

作者： Chenglong Fan Jingwen Mao Huishou ye Yitian Wang Junchen Liu Wei Jian Xuyang Meng Wenhao tang Weiwei Chao Peng Wang School of Earth Sciences and Resources China University of GeosciencesBeijing 100083China MNR Key Laboratory for Exploration Theory&Technology of Critical Mineral Resources China University of GeosciencesBeijing 100083China Ministry of Natural Resources(MNR)Key Laboratory of Metallogeny and Mineral Assessment Institute of Mineral ResourcesChinese Academy of Geological SciencesBeijing 100037China Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources by the Province and Ministry Guilin University of TechnologyGuilin 541004China State Key Laboratory of Nuclear Resources and Environment East China University of TechnologyNanchang 330013JiangxiChina School of Earth Sciences and Spatial Information Engineering Hunan University of Science and TechnologyXiangtan 411201China

The Haoyaoerhudong gold deposit,located in the northwestern part of the North China craton(NCC),has produced over 120 metric tonnes(t)of gold since *** has a total reserve of>240 t at average gold grade of 0.62 g/t,making it one of the largest open pit gold mines in *** steeply dipping,large-tonnage,low-grade,vein-or veinlet-type gold orebodies are hosted in strongly-deformed Mesoproterozoic carbonaceous schist of the Bayan Obo *** laminated/boudinaged veins/veinlets in the sinistral ductile-brittle shear zones are dominated by quartz,biotite,gold-bearing löllingite,pyr-rhotite,(arseno)pyrite,with minor native gold,titanite and *** this paper,we present new in situ U-Pb geochronological data on magmatic zircon from the preore dikes,on metamorphic and hydrothermal xenotime,and on hydrothermal titanite from the hydrothermally altered carbonaceous schist and auriferous quartzsulfides veins/veinlets,as well as He-Ar isotopic analysis on gold-bearing(arseno)pyrite in the syn-ore *** metamorphic xenotime U-Pb age of 426±6.0 Ma(2σ)records a regional metamorphic event,possibly related to the accretion of the Bainaimiao arc onto the *** pre-ore andesitic dikes yielded similar emplacement ages at~278 Ma constrained by laser ablation-inductively coupled plasma-mass spectrometry(LA-ICP-MS)U-Pb zircon *** xenotime grains from the altered carbonaceous schist and auriferous quartz-sulfides veins yielded U-Pb ages of 256.0±4.1 Ma(2σ)and 254.4±2.1 Ma(2σ),respectively,overlapping with that of the hydrothermal titanite at 255.4±0.8 Ma(2σ)from the laminated quartz-sulfides *** indicates that the gold mineralization occurred at ca.255 ***~255 Ma gold mineralization age is much younger than the previously reported Early-Middle Permian regional magmatic activity(ca.291 Ma to 268 Ma),and may be associated with the regional sinistral strike-slip event in the late orogenic cycle related to the collision between the Siberian craton

关键词： Xenotime Titanite In situ U-Pb dating Noble gas Orogenic gold deposit North China Craton

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Mpox(formerly monkeypox):pathogenesis,prevention,and treatment

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Signal Transduction and Targeted Therapy 2024年第1期9卷 234-248页

作者： Junjie Lu Hui Xing Chunhua Wang Mengjun tang Changcheng Wu Fan ye Lijuan Yin Yang Yang Wenjie Tan Liang Shen Xiangyang Central Hospital Affiliated Hospital of Hubei University of Arts and ScienceHubei ProvinceXiangyang 441021China NHC Key Laboratory of Biosafety National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China College of Biotechnology Tianjin University of Science&TechnologyTianjin 300457China Shenzhen Key Laboratory of Pathogen and Immunity National Clinical Research Center for infectious diseaseState Key Discipline of Infectious DiseaseShenzhen Third People’s HospitalSecond Hospital Affiliated to Southern University of Science and TechnologyShenzhen 518112China

In 2022,a global outbreak of Mpox(formerly monkeypox)occurred in various countries across Europe and America and rapidly spread to more than 100 countries and *** World Health Organization declared the outbreak to be a public health emergency of international concern due to the rapid spread of the Mpox ***,nations intensified their efforts to explore treatment strategies aimed at combating the infection and its ***,the available therapeutic options for Mpox virus infection remain *** far,only a few numbers of antiviral compounds have been approved by regulatory *** the high mutability of the Mpox virus,certain mutant strains have shown resistance to existing pharmaceutical *** highlights the urgent need to develop novel antiviral drugs that can combat both drug resistance and the potential threat of ***,there is a lack of comprehensive literature on the pathophysiology and treatment of *** address this issue,we conducted a review covering the physiological and pathological processes of Mpox infection,summarizing the latest progress of anti-Mpox *** analysis encompasses approved drugs currently employed in clinical settings,as well as newly identified small-molecule compounds and antibody drugs displaying potential antiviral efficacy against ***,we have gained valuable insights from the process of Mpox drug development,including strategies for repurposing drugs,the discovery of drug targets driven by artificial intelligence,and preclinical drug *** purpose of this review is to provide readers with a comprehensive overview of the current knowledge on Mpox.

关键词： prevention treatment intensified

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Efficacy of laparoscopic low anterior resection for colorectal cancer patients with 3D-vascular reconstruction for left coronary artery preservation

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1548-1557页

作者： ye Wang Zhi-Sheng Liu Zong-Bao Wang Shawn Liu feng-Bo Sun Department of General Surgery Qingdao Hiser Hospital Affiliated of Qingdao University(Qingdao Traditional Chinese Medicine Hospital)Qingdao 266033Shandong ProvinceChina Department of Gastrointestinal Surgery National University Hospital of SingaporeSingapore 119228Singapore

BACKGROUND Laparoscopic low anterior resection(LLAR)has become a mainstream surgical method for the treatment of colorectal cancer,which has shown many advantages in the aspects of surgical trauma and postoperative ***,the effect of surgery on patients'left coronary artery and its vascular reconstruction have not been deeply *** the development of medical imaging technology,3D vascular reconstruction has become an effective means to evaluate the curative effect of *** To investigate the clinical value of preoperative 3D vascular reconstruction in LLAR of rectal cancer with the left colic artery(LCA)*** A retrospective cohort study was performed to analyze the clinical data of 146 patients who underwent LLAR for rectal cancer with LCA preservation from January to December 2023 in our *** patients underwent LLAR of rectal cancer with the LCA preserved,and the intraoperative and postoperative data were *** patients were divided into a reconstruction group(72 patients)and a nonreconstruction group(74 patients)according to whether 3D vascular reconstruction was performed before *** clinical features,operation conditions,complications,pathological results and postoperative recovery of the two groups were collected and *** A total of 146 patients with rectal cancer were included in the study,including 72 patients in the reconstruction group and 74 patients in the nonreconstruction *** were 47 males and 25 females in the reconstruction group,aged(59.75±6.2)years,with a body mass index(BMI)(24.1±2.2)kg/m^(2),and 51 males and 23 females in the nonreconstruction group,aged(58.77±6.1)years,with a BMI(23.6±2.7)kg/m^(2).There was no significant difference in the baseline data between the two groups(P>0.05).In the submesenteric artery reconstruction group,35 patients were type Ⅰ,25 patients were type Ⅱ,11 patients were type Ⅲ,and 1 patient was type Ⅳ.There were 37 type Ⅰ patients,24

关键词： Laparoscopic low anterior resection 3D vascular reconstruction Coronary artery Colorectal cancer Retrospective cohort study

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High-dimensional nonlinear variable separation solutions and novel wave excitations for the(4+1)-dimensional Boiti–Leon–Manna–Pempinelli equation

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Communications in Theoretical Physics 2024年第11期 3-13页

作者： Zu-feng Liang Xiao-yan tang Wei Ding Department of Physics Hangzhou Normal University School of Mathematical Sciences Key Laboratory of Mathematics and Engineering Applications (Ministry of Education) & Shanghai Key Laboratory of PMMP East China Normal University School of Computer Science and Technology Shanghai Normal University

Considering the importance of higher-dimensional equations that are widely applied to real nonlinear problems, many(4 + 1)-dimensional integrable systems have been established by uplifting the dimensions of their corresponding lower-dimensional integrable ***, an integrable(4 + 1)-dimensional extension of the Boiti–Leon–Manna–Pempinelli(4DBLMP) equation has been proposed, which can also be considered as an extension of the famous Korteweg–de Vries equation that is applicable in fluids, plasma physics and so on. It is shown that new higher-dimensional variable separation solutions with several arbitrary lowerdimensional functions can also be obtained using the multilinear variable separation approach for the 4DBLMP equation. In addition, by taking advantage of the explicit expressions of the new solutions, versatile(4 + 1)-dimensional nonlinear wave excitations can be designed. As an illustration, periodic breathing lumps, multi-dromion-ring-type instantons, and hybrid waves on a doubly periodic wave background are discovered to reveal abundant nonlinear structures and dynamics in higher dimensions.

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Effects of interstitial cluster mobility on dislocation loops evolution under irradiation of austenitic steel

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Nuclear Science and Techniques 2024年第8期35卷 69-78页

作者： Xin‑Hua Yan Lu Sun Du Zhou Teng Xie Chang Peng ye‑Xin Yang Li Chen Zhen‑feng Tong North China Electric Power University Beijing 102206China China Nuclear Power Operations Co. LtdShenzhen 518000China

The evolution of dislocation loops in austenitic steels irradiated with Fe^(+)is investigated using cluster dynamics(CD)simulations by developing a CD *** CD predictions are compared with experimental results in the *** number density and average diameter of the dislocation loops obtained from the CD simulations are in good agreement with the experimental data obtained from transmission electron microscopy(TEM)observations of Fe~+-irradiated Solution Annealed 304,Cold Worked 316,and HR3 austenitic steels in the *** CD simulation results demonstrate that the diffusion of in-cascade interstitial clusters plays a major role in the dislocation loop density and dislocation loop growth;in particular,for the HR3 austenitic steel,the CD model has verified the effect of temperature on the density and size of the dislocation loops.

关键词： Cluster dynamics Dislocation loops In-cascade interstitial clusters Austenitic steels

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Ki-67 Change in Anthracyline-containing Neoadjuvant Chemotherapy Response in Breast Cancer

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Current Medical Science 2024年第1期44卷 156-167页

作者： Zi-guo YANG Le-hao REN feng WANG Pi-lin WANG Wen-yan WANG Shu-ye LIN Department of General Surgery Beijing Tiantan HospitalCapital Medical UniversityBeijing 100070China Department of Critical Care Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Cancer Research Center Beijing Chest HospitalCapital Medical University/Beijing Tuberculosis and Thoracic Tumor Research InstituteBeijing 101149China

Objective Anthracycline-containing regimens are irreplaceable in neoadjuvant chemotherapy(NAC)for breast cancer(BC)at ***,30% of early breast cancer(EBC)patients are resistant to anthracycline-containing chemotherapy,leading to poor prognosis and higher ***-67 is associated with the prognosis and response to therapy,and it changes after *** A total of 105 BC patients who received anthracycline-containing NAC were ***,the optimal model of Ki-67 was selected,and its predictive efficacy was ***(IHC)was used to determine the estrogen receptor(ER),progesterone receptor(PR),and human epidermal growth factor receptor 2(HER-2)status and Ki-67 *** in situ hybridization(FISH)was used to verify the HER-2 when the IHC score was 2+.Results The post-NAC Ki67 level after treatment with anthracycline drugs was lower than pre-NAC Ki-67(19.6%±23.3%vs.45.6%±23.1%,P<0.001).Furthermore,patients with the Ki-67 decrease had a border line higher pathological complete response(pCR)rate(17.2%vs.0.0%,P=0.068),and a higher overall response rate(ORR)(73.6%vs.27.8%,P<0.001),when compared to patients without the Ki-67 *** ΔKi-67 and ΔKi-67%were valuable markers for the prediction of both the pCR rate and *** area under the curve(AUC)for ΔKi-67 on pCR and ORR was 0.809(0.698-0.921)and 0.755(0.655-0.855),respectively,while the AUC for ΔKi-67% on pCR and ORR was 0.857(0.742-0.972)and 0.720(0.618-0.822),*** logistic regression model 1 revealed thatΔKi-67 was an independent predictor for both pCR[odds ratio(OR)=61.030,95% confidence interval(CI)=4.709-790.965;P=0.002]and ORR(OR=10.001,95%CI:3.044-32.858;P<0.001).Multivariate logistic regression model 2 revealed thatΔKi-67%was also an independent predictor for both pCR(OR=408.922,95%CI=8.908-18771.224;P=0.002)and ORR(OR=5.419,95%CI=1.842-15.943;P=0.002).Conclusions The present study results suggest thatΔKi67 andΔKi67%are candidate predictor

关键词： breast cancer change in Ki-67 neoadjuvant chemotherapy anthracycline,response

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Human umbilical cord mesenchymal stem cell-derived exosomes loaded into a composite conduit promote functional recovery after peripheral nerve injury in rats

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Neural Regeneration Research 2024年第4期19卷 900-907页

作者： Haoshuai tang Junjin Li Hongda Wang Jie Ren Han Ding Jun Shang Min Wang Zhijian Wei Shiqing feng Department of Othopaedics Tianjin Medical University General Hospital International Science and Technology Cooperation Base of Spinal Cord Injury Tianjin Key Laboratory of Spine and Spinal Cord InjuryDepartment of OrthopedicsTianjin Medical University General Hospital Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment Tianjin Lung Cancer InstituteTianjin Medical University General Hospital Department of Othopaedics Qilu Hospital of Shandong UniversityShandong University Centre for OthopedicsAdvanced Medical Research InstituteShandong University Orthopedic Research Center of Shandong University&Advanced Medical Research Institute Cheeloo College of MedicineShandong University

Complete transverse injury of peripheral nerves is challenging to *** secreted by human umbilical cord mesenchymal stem cells are considered to play an important role in intercellular communication and regulate tissue *** previous studies,a collagen/hyaluronic acid sponge was shown to provide a suitable regeneration environment for Schwann cell proliferation and to promote axonal *** three-dimensional(3D)composite conduit contains a collagen/hyaluronic acid inner sponge enclosed in an electrospun hollow poly(lactic-co-glycolic acid)***,whether there is a synergy between the 3D composite conduit and exosomes in the repair of peripheral nerve injury remains *** this study,we tested a comprehensive strategy for repairing long-gap(10 mm)peripheral nerve injury that combined the 3D composite conduit with human umbilical cord mesenchymal stem cell-derived *** effectiveness was evaluated by sciatic functional index,sciatic nerve compound muscle action potential recording,recovery of muscle mass,measuring the cross-sectional area of the muscle fiber,Masson trichrome staining,and transmission electron microscopy of the regenerated nerve in *** results showed that transplantation of the 3D composite conduit loaded with human umbilical cord mesenchymal stem cell-derived exosomes promoted peripheral nerve regeneration and restoration of motor function,similar to autograft *** CD31-positive endothelial cells were observed in the regenerated nerve after transplantation of the loaded conduit than after transplantation of the conduit without exosomes,which may have contributed to the observed increase in axon regeneration and distal nerve ***,the use of a 3D composite conduit loaded with human umbilical cord mesenchymal stem cell-derived exosomes represents a promising cell-free therapeutic option for the treatment of peripheral nerve injury.

关键词： axon growth collagen exosome human umbilical cord mesenchymal stem cells hyaluronic acid muscular atrophy nerve guidance conduits peripheral nerve regeneration

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Chromosome-level assembly of triploid genome of Sichuan pepper(Zanthoxylum armatum)

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Horticultural Plant Journal 2024年第2期10卷 437-449页

作者： Lizhi Song Yue Huang Hao Zuo Ning tang Zhengguo Li Wenbiao Jiao feng Xu Qiang Xu Zexiong Chen National Key Laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable Horticultural Crops Huazhong Agricultural UniversityWuhanHubei 430070China Chongqing Key Laboratory of Economic Plant Biotechnology Chongqing University of Arts and SciencesChongqing 402160China School of Life Sciences Chongqing UniversityChongqing 400030China College of Horticulture and Gardening Yangtze UniversityJingzhouHubei 434025China College of Informatics Huazhong Agricultural UniversityWuhanHubei 430070China

As an important spice species in Rutaceae, the Sichuan pepper (Zanthoxylum armatum) can provide pungent and numbing taste, as well as aroma in its mature fruit. Here we assembled a chromosome-level genome of green prickly ash which was widely cultivated in a major production area including Chongqing and Sichuan province, China. We generated 712 Gb (~112×) PacBio long reads and 511 Gb (~82×) Hi-C data, and yielded an assembly of 99 pseudochromosomes with total size of 5.32 Gb and contig N50 of 796 kb. The genomic analyses and cytogenetic experiments both indicated that the cultivarZhuye Huajiao’ was a triploid. We identified a Zanthoxylum-specific whole genome duplication event emerging about 24.8 million years ago (Mya). We also detected a transposition burst event (0.3-0.4 Mya) responsible for the large genome size of Z. armatum. Metabolomic analysis of the Zanthoxylum fruits during development stages revealed profiles of39 volatile aroma compounds and 528 secondary metabolites, from which six types of sanshools were identified. Based on metabolomic and transcriptomic network analysis, we screened candidate genes encoding long chain acyl-CoA synthetase, fatty acid desaturase,branched-chain amino acid aminotransferase involved in sanshool biosynthesis and three genes encoding terpene synthase during fruit development. The multi-omics data provide insights into the evolution of Zanthoxylum and molecular basis of numbing and aroma flavor of Sichuan pepper.

关键词： Zanthoxylum armatum Genome Sanshool Terpenoid

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Hydrogen peroxide sulfenylates and inhibits the photorespiratory enzyme PGLP1 to modulate plant thermotolerance

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Plant Communications 2024年第6期5卷 139-153页

作者： Zheng-Wei Fu feng Ding Bing-Lei Zhang Wen-Cheng Liu Zi-Hong Huang Shi-Hang Fan Yu-Rui feng Ying-tang Lu Wei Hua Key Laboratory of Biology and Genetic Improvement of Oil Crops Ministry of Agriculture and Rural AffairsOil Crops Research Institute of the Chinese Academy of Agricultural SciencesWuhan 430062China State Key Laboratory of Hybrid Rice College of Life SciencesWuhan UniversityWuhan 430072China School of Landscape and Ecological Engineering Hebei University of EngineeringHandan 056038China State Key Laboratory of Crop Stress Adaptation and Improvement School of Life SciencesHenan UniversityKaifeng 475004China Hubei Hongshan Laboratory Wuhan 430070China

Climate change is resulting in more frequent and rapidly changing temperatures at both extremes that severely affect the growth and production of plants,particularly *** stress caused by high temperatures is one of the most damaging factors for ***,the role of hydrogen peroxide(H_(2)O_(2))in modulating plant thermotolerance is largely unknown,and the regulation of photorespiration essential for C3 species remains to be fully ***,we report that heat stress promotes H2O2 accumulation in chloroplasts and that H2O2 stimulates sulfenylation of the chloroplast-localized photorespiratory enzyme 2-phosphoglycolate phosphatase 1(PGLP1)at cysteine 86,inhibiting its activity and promoting the accumulation of the toxic metabolite *** also demonstrate that PGLP1 has a positive function in plant thermotolerance,as PGLP1 antisense lines have greater heat sensitivity and PGLP1-overexpressing plants have higher heat-stress tolerance than the wild ***,our results demonstrate that heat-induced H2O2 in chloroplasts sulfenylates and inhibits PGLP1 to modulate plant ***,targeting CATALASE2 to chloroplasts can largely prevent the heatinduced overaccumulation of H2O2 and the sulfenylation of PGLP1,thus conferring thermotolerance without a plant growth *** findings reveal that heat-induced H2O2 in chloroplasts is important for heat-caused plant damage.

关键词： heat stress photorespiration hydrogen peroxide PGLP1 2-phosphoglycolate

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