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An electropenetrography waveform library for the probing and ingestion behaviors of Culex tarsalis on human hands

Insect Science 2024年第4期31卷 1165-1186页

作者： Anastasia M.W.Cooper Samuel B.Jameson Victoria Pickens Cameron Osborne Elaine A.Backus Kristopher Silver Dana N.Mitzel Department of Entomology Kansas State UniversityManhattanKansasUSA Department of Tropical Medicine Tulane University School of Public Health and Tropical MedicineNew OrleansLos AngelesUSA usda agricultural research service San Joaquin Valley Agricultural Sciences CenterParlierCaliforniaUSA National Bio and Agro-Defense Facility USDA Agricultural Research ServiceManhattanKansasUSA

Culex tarsalis Coquillett(Diptera:Culicidae)mosquitoes are capable of vectoring numerous pathogens affecting public and animal ***,the probing behaviors of mosquitoes are poorly understood because they occur in opaque ***(EPG)has the potential to elucidate these behaviors by recording the electrical signals generated during *** used an AC–DC EPG with variable input resistors(Ri levels)to construct a waveform library for *** feeding on human *** events associated with mosquito probing were used to characterize waveforms at four Ri levels and with two electrical current *** optimal settings for EPG recordings of *** probing on human hands was an Ri level of 10^(7)Ohms using an applied signal of 150 millivolts alternating *** for *** included those previously observed and associated with probing behaviors in Aedes aegypti L.(Diptera:Culicidae):waveform families J(surface salivation),K(stylet penetration through the skin),L(types 1 and 2,search for a blood vessel/ingestion site),M(types 1 and 2,ingestion),N(type 1,an unknown behavior which may be a resting and digestion phase),and W(withdrawal).However,we also observed variations in the waveforms not described in ***,which we named types L3,M3,M4,and *** investigation enhances our understanding of mosquito probing *** also provides a new tool for the automated calculation of peak *** work will facilitate future pathogen acquisition and transmission studies and help identify new pest and disease management targets.

关键词： AC-DC blood feeders electrical penetration graph EPG human hands mosquitoes waveform library

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Resistance risk assessment of six pyrethroids and acephate toward the resistant adult tarnished plant bug,Lygus lineolaris

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Insect Science 2024年第3期31卷 792-802页

作者： Yuzhe Du Shane Scheibener Yucheng Zhu Maribel Portilla Mingling Zhang usda-ARS Southern Insect Management Research UnitStonevilleUSA usda-ARS Pollinator Health in Southern Crop Ecosystem Research UnitStonevilleUSA

Due to rapidly developed resistance,pest management relies less on pyrethroids to control economically damaging infestations of the tarnished plant bug(TPB),Lygus lineolaris(Palisot de Beauvois)in cotton fields of ***,pyrethroid resistance remains prevalent in TPB *** study assessed the resistance levels in adult TPB to six common pyrethroids and *** TBPs were collected from wild host plants in late October after harvest in the Mississippi Delta region of the United *** on LCso values,the field-resistant TPBs displayed higher resistance to permethrin,esfenvalerate,and bifenthrin(approximately 30 fold)and moderate resistance toα-cyhalothrin,β-cyfluthrin,5-cypermethrin,and acephate(approximately 15 fold).Further investigations showed that the inhibitors of three detoxification enzyme,triphenyl phosphate(TPP),diethyl maleate(DEM),and piperonyl butoxide(PBO)had synergistic effects on permethrin,γ-cyhalothrin,and bifenthrin in resistant ***,elevated esterase,GST,and P450 activities were significantly expressed in fieldresistant ***,GST and esterase were reduced after 48 h exposure to certain pyrethroids at LCso *** synergistic and biochemical assays consistently indicated that P450 and esterase were involved in pyrethroid detoxification in *** study provides valuable information for the continued use of pyrethroids and acephate in controlling TPBs in cotton fields in the Mississippi Delta region of the United States.

关键词： cytochrome P450-monooxygenases(P450) detoxification enzyme activities esterase Lygus lineolaris pyrethroids and organophosphate resistance tarnished plant bug

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A novel histone methyltransferase gene Cg SDG40 positively regulates carotenoid biosynthesis during citrus fruit ripening

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Journal of Integrative Agriculture 2024年第8期23卷 2633-2648页

作者： Jialing Fu Qingjiang Wu Xia Wang Juan Sun Li Liao Li Li Qiang Xu National Key Laboratory for Germplasm Innovation&Utilization of Horticultural Crops College of Horticulture&Forestry ScienceHuazhong Agricultural UniversityWuhan 430070China Hubei Hongshan Laboratory Wuhan 430070China Institute of Horticultural Sciences Jiangxi Academy of Agricultural SciencesNanchang 330200China Plant Breeding and Genetics Section School of Integrative Plant ScienceCornell UniversityNew York 14853USA Robert W.Holley Center for Agriculture and Health USDA-Agricultural Research ServiceCornell UniversityNew York 14853USA

The flesh color of pummelo(Citrus maxima)fruits is highly diverse and largely depends on the level of carotenoids,which are beneficial to human *** is vital to investigate the regulatory network of carotenoid biosynthesis to improve the carotenoid content in ***,the molecular mechanism underlying carotenoid accumulation in pummelo is not fully *** this study,we identified a novel histone methyltransferase gene,CgSDG40,involved in carotenoid regulation by analyzing the flesh transcriptome of typical white-fleshed pummelo,red-fleshed pummelo and extreme-colored F1 hybrids from a segregated pummelo *** of CgSDG40 corresponded to flesh color change and was highly coexpressed with ***,CgSDG40 and CgPSY1 are located physically adjacent to each other on the chromosome in opposite directions,sharing a partially overlapping promoter *** localization analysis indicated that CgSDG40 localizes to the *** of CgSDG40 significantly increased the total carotenoid content in citrus calli relative to that in wild *** addition,expression of CgPSY1 was significantly activated in overexpression lines relative to wild *** together,our findings reveal a novel histone methyltransferase regulator,CgSDG40,involved in the regulation of carotenoid biosynthesis in citrus and provide new strategies for molecular design breeding and genetic improvement of fruit color and nutritional quality.

关键词： pummelo SET domain protein epigenetic regulation PSY1 lycopene fruit quality fruit color

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Review and Analysis: Evaluation of the Impacts and Consequences of Using agricultural Herbicides as Military Chemical Weapons in Second Indochina War

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Open Journal of Soil Science 2024年第8期14卷 471-498页

作者： David R. Speidel Kenneth R. Olson usda Resource Conservationist and agricultural Consultant with Natural Resource Conservation Service and Foreign Agricultural Service Benton Missouri USA College of agricultural Consumer and Environmental Sciences University of Illinois Urbana USA

The legacy of the human misery caused by the application of the herbicides including Agent Purple and Agent Orange contaminated with unknown amounts of dioxin TCDD and Agent Blue, the arsenic-based herbicide, sprayed over the jungles, rice fields, and hamlets of Vietnam is still haunting us today. Why did this happen? Could it have been prevented? Was it necessary United States military strategy? Was it an intentional decision to inflict this blight on the enemy soldiers and the Vietnamese, Cambodian, and Laotian civilians, to poison their land and cause generations of harm? Alternatively, was it an unpreventable accident in the march of military history? What patterns in the U.S. government’s thought process could be identified as the cause, which led to the decision to use these herbicides as tactical chemical weapons? If the introduction of herbicide (chemical) weapons had not been made, would the outcome of the Vietnam War and the Secret Wars in Laos and Cambodia have been any different? The objective of this treatise is to outline the role of world events and backgrounds and the role of the leaders, U.S. military, CIA, usda, U.S. State Department, the U.S. President appointed Ambassadors to Vietnam and Laos, chemical companies, and President Diệm’s Republic of Vietnam (RVN) government and military. Their collective advice led to the decision to use herbicides as military and environmental chemical weapons in the Second Indochina War. Were the National interests achieved by U.S. military strategy in the RVN using herbicide weapons worth the long-term environmental and human health consequences in Vietnam, Cambodia, and Laos? Did it impact the outcome of the Second Indochina War?

关键词： Second Indochina War Cambodia Laos South Vietnam Vietnam War Tactical Herbicides Agent Blue Agent Orange Agent Purple Dioxin TCDD Arsenic

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Threshold friction velocity influenced by soil particle size within the Columbia Plateau, northwestern United States

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Journal of Arid Land 2024年第8期16卷 1147-1162页

作者： MENG Ruibing MENG Zhongju Brenton SHARRATT ZHANG Jianguo CAI Jiale CHEN Xiaoyan College of Desert Control Science and Engineering Inner Mongolia Agricultural UniversityHohhot 010018China Key Laboratory of Aeolian Physics and Desertification Control Engineering from Inner Mongolia Autonomous Region Inner Mongolia Agricultural UniversityHohhot 010018China Key Laboratory of Desert Ecosystem Conservation and Restoration State Forestry and Grassland Administration of ChinaInner Mongolia Agricultural UniversityHohhot 010018China usda-agricultural research service Washington State UniversityWashington 99164USA College of Resources and Environment Northwest A&F UniversityYangling 712100China Inner Mongolia Autonomous Region Academy of Social Sciences Hohhot 010010China

Wind erosion is a geomorphic process in arid and semi-arid areas and has substantial implications for regional climate and *** the Columbia Plateau of northwestern United States,the emissions from fine particles of loessial soils often contribute to the exceedance of inhalable particulate matter(PM)with an aerodynamic diameter of 10μm or less(PM10)according to the air quality ***,little is known about the threshold friction velocity(TFV)for particles of different sizes that comprise these *** this study,soil samples of two representative soil types(Warden sandy loam and Ritzville silt loam)collected from the Columbia Plateau were sieved to seven particle size fractions,and an experiment was then conducted to determine the relationship between TFV and particle size *** results revealed that soil particle size significantly affected the initiation of soil movement and TFV;TFV ranged 0.304-0.844 and 0.249-0.739 m/s for different particle size fractions of Ritzville silt loam and Warden sandy loam,***10 and total suspended particulates(TSP)emissions from a bed of 63-90μm soil particles were markedly higher for Warden sandy loam than for Ritzville silt *** with the lower TFV of Warden sandy loam,dust emissions from fine particles(<100μm in diameter)of Warden sandy loam thus may be a main contributor to dust in the region's atmosphere,since the PM10 emissions from the soil erosion surfaces and its ensuing suspension within the atmosphere constitute an essential process of soil erosion in the Columbia *** and implementing strategic land management practices on sandy loam soils is therefore necessary to control dust emissions in the Columbia Plateau.

关键词： particle size threshold friction velocity inhalable particulate matter total suspended particles Warden sandy loam Ritzville silt loam Columbia Plateau

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Assessment of coastal and mangrove vulnerability in the Andaman Island,Indian Ocean

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Geoscience Frontiers 2024年第5期15卷 47-60页

作者： Biswajit Mondal Rupesh K.Bhomia Ashis Kumar Saha Richard A.MacKenzie Department of Geography Delhi School of EconomicsUniversity of DelhiDelhi 110007India Centre for International Forestry research(CIFOR) Jalan CIFORSitu GedeBogor BaratBogor 16115Indonesia Institute of Pacific Islands Forestry Pacific Southwest Research StationUSDA Forest ServiceHiloHI 96720USA

Coastal regions are highly susceptible to the effects of global warming,including rising atmospheric and sea surface temperatures,increased cyclone frequency,and sea level ***,it is imperative to examine coastal vulnerability to minimize the impact of multiple hazards and protect coastal resources,such as *** in India studying the vulnerability of coastal zones of Andaman and Nicobar Islands which fall in seismic zone V is critical for conservation *** conducted a vulnerability analysis of coastal zones impacted by the 2004 earthquake,causing varying degrees of ground upliftment and *** compared coastal vulnerability among sites that experienced uplift,no change,and subsidence(the southern portion).Our analysis utilized the Coastal and Mangrove Vulnerability Index(CVI and MVI)to measure and compare vulnerability in six zones distributed along uplift and subsidence ***-resolution satellite imagery including WorldView-2,3,and GeoEye-1 from year 2022 are utilized on this *** CVI and MVI offers a good way to measure and compare vulnerabilities across sites and offer insights for better *** CVI and MVI results indicate that approximately 34%of coastal grids and over 23%of mangrove grids across all zones are highly to extremely highly *** zones were found to be more vulnerable than uplifted *** findings suggest that large-scale natural disturbances such as tectonic displacement have the potential to impact coastal vegetation and mangrove cover can become even more *** conclusion,our study emphasizes the importance of vulnerability analyses in coastal regions,especially in areas prone to seismic *** findings have direct implications for conservation and restoration efforts and underscore the need for continued monitoring and mitigation efforts to safeguard coastal resources for long-term sustainability.

关键词： Mangroves Coastal vulnerability Mangrove vulnerability 2004 Indian Ocean earthquake Andaman Island

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Why ecosystem characteristics predicted from remotely sensed data are unbiased and biased at the same time-and how this affects applications

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Forest Ecosystems 2024年第1期11卷 24-31页

作者： Goran Ståhl Terje Gobakken Svetlana Saarela Henrik J.Persson Magnus Ekstrom Sean P.Healey Zhiqiang Yang Johan Holmgren Eva Lindberg Kenneth Nystrom Emanuele Papucci Patrik Ulvdal Hans OleØrka Erik Næsset Zhengyang Hou Håkan Olsson Ronald E.McRoberts Department of Forest Resource Management Swedish University of Agricultural Sciences90183UmeåSweden Faculty of Environmental Sciences and Natural Resource Management Norwegian University of Life SciencesÅsNorway usda Forest service Rocky Mountain Research StationOgdenUTUSA The Key Laboratory for Silviculture and Conservation of Ministry of Education Beijing Forestry UniversityBeijing100083China Department of Forest Resources University of MinnesotaSt.PaulMNUSA

Remotely sensed data are frequently used for predicting and mapping ecosystem characteristics,and spatially explicit wall-to-wall information is sometimes proposed as the best possible source of information for ***,wall-to-wall information typically relies on model-based prediction,and several features of model-based prediction should be understood before extensively relying on this type of *** such feature is that model-based predictors can be considered both unbiased and biased at the same time,which has important implications in several areas of *** this discussion paper,we first describe the conventional model-unbiasedness paradigm that underpins most prediction techniques using remotely sensed(or other)auxiliary *** this point of view,model-based predictors are typically ***,we show that for specific domains,identified based on their true values,the same model-based predictors can be considered biased,and sometimes severely *** suggest distinguishing between conventional model-bias,defined in the statistical literature as the difference between the expected value of a predictor and the expected value of the quantity being predicted,and design-bias of model-based estimators,defined as the difference between the expected value of a model-based estimator and the true value of the quantity being *** show that model-based estimators(or predictors)are typically design-biased,and that there is a trend in the design-bias from overestimating small true values to underestimating large true ***,we give examples of applications where this is important to acknowledge and to potentially make adjustments to correct for the design-bias *** argue that relying entirely on conventional model-unbiasedness may lead to mistakes in several areas of application that use predictions from remotely sensed data.

关键词： Bias Model-based inference Design-based inference

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Is magnesium deficiency the major cause of needle chlorosis of Pinus taeda in Brazil?

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Journal of Forestry research 2024年第2期35卷 209-221页

作者： Antônio Carlos Vargas Motta Shizuo Maeda Valdécio dos Santos dos Santos Rodrigues Tamires Maiara Ercole Stephen Arthur Prior Ana Elisa Lyra Brumat Amanda Pacheco Cardoso Moura Julierme Zimmer Barbosa João Bosco Vasconcellos Gomes Department of Soil Sciences and Agriculture Engineering Federal University of ParanáR.dos Funcionários1540.CuritibaParanáCEP 80035‑050Brazil Brazilian agricultural research Company Embrapa FlorestasEstr.da Ribeira–Br‑476Km 111–Parque Monte Castelo.ColomboParanáCEP 83411‑000Brazil United States Department of Agriculture‑agricultural research service USDA-ARS National Soil Dynamics Laboratory411 South Donahue DriveAuburnAL 36832USA Reforestation Remasa Rodovia PR 170–Km 522.BiturunaParanáCEP 84640‑000Brazil Federal Institute of Southeast of Minas Gerais R.Luz Interior360.Juiz de ForaMinas Gerais CEP 36030‑713Brazil

Needle chlorosis(NC)in Pinus taeda *** in Brazil becomes more frequent after second and third harvest rotation *** a study to identify factors contributing to yellowing needle chorosis(YNC),trees were grown in soils originating from contrasting parent materials,and soils and needles(whole,green and chlorotic portions)from 1-and 2-year-old branches and the first and second needle flush release at four sites with YNC on *** were analyzed for various elements and *** soils had very low base levels(Ca^(2+),Mg^(2+)and K^(+))and P,suggesting a possible lack of multiple *** symptoms started at needle tips,then extended toward the needle base with *** flush needles had longer portions with YNC than second flush needles *** from the lower crown also had more symptoms along their length than those higher in the *** were similar to those reported for *** chlorotic portions,Mg and Ca concentrations were well below critical values;in particular,Mg levels were only one third of the critical value of 0.3 g kg^(-1).Collectively,results suggest that Mg deficiency is the primary reason for NC of *** in various parent soils in Brazil.

关键词： Nutritional deficiency Forest management Soil depletion Pine foliar analysis Needle chlorosis

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Genetics of biochemical attributes regulating morpho-physiology of upland cotton under high temperature conditions

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Journal of Cotton research 2024年第1期7卷 29-44页

作者： MAJEED Sajid CHAUDHARY Muhammad Tanees MUBARIK Muhammad Salman RANA Iqrar Ahmad SHABAN Muhammad TAN Daniel KY JIA Yinhua DU Xiongming HINZE Lori AZHAR Muhammad Tehseen Federal Seed Certification and Registration Department Ministry of National Food Security and ResearchIslamabad 44090Pakistan Horticultural research Institute National Agricultural Research CentreIslamabad 44000Pakistan Department of Biotechnology University of NarowalNarowal 51600Pakistan Centre of agricultural Biochemistry and Biotechnology University of AgricultureFaisalabad 38400Pakistan Department of Plant Breeding and Genetics University of Agriculture FaisalabadSub-Campus BurewalaVehariPakistan Faculty of Science School of Life and Environ-mental SciencesPlant Breeding InstituteSydney Institute of AgricultureThe University of SydneySydneyNSW 2006Australia State Key Laboratory of Cotton Biology Institute of Cotton Research of Chinese Academy of Agri-cultural ScienceAnyang 455000China agricultural research service USDASouthern Plains Agricultural Research CentreCollege StationTX 77845USA Department of Plant Breeding and Genetics University of AgricultureFaisal-abad 38400Pakistan School of Agriculture Sciences Zhengzhou UniversityZhengzhou 450000China.

Background Cotton is a strategically important fibre crop for global textile *** profoundly impacts several countries’industrial and agricultural *** cotton production is continuously threatened by the unpre-dictable changes in climate,specifically high *** heat-tolerant,high-yielding cotton cultivars with wide adaptability to be grown in the regions with rising temperatures is one of the primary objectives of modern cotton breeding ***,the main objective of the current study is to figure out the effective breed-ing approach to imparting heat tolerance as well as the judicious utilization of commercially significant and stress-tolerant attributes in cotton ***,the two most notable heat-susceptible(FH-115 and NIAB Kiran)and tolerant(IUB-13 and GH-Mubarak)cotton cultivars were spotted to develop filial and backcross populations to accom-plish the preceding study *** heat tolerant cultivars were screened on the basis of various morphological(seed cotton yield per plant,ginning turnout percentage),physiological(pollen viability,cell membrane thermostabil-ity)and biochemical(peroxidase activity,proline content,hydrogen peroxide content)*** The results clearly exhibited that heat stress consequently had a detrimental impact on every studied plant trait,as revealed by the ability of crossing and their backcross populations to tolerate high ***,when considering overall yield,biochemical,and physiological traits,the IUB-13×FH-115 cross went over particularly well at both normal and high temperature ***,overall seed cotton yield per plant exhibited a posi-tive correlation with both pollen viability and antioxidant levels(POD activity and proline content).Conclusions Selection from segregation population and criteria involving pollen viability and antioxidant levels concluded to be an effective strategy for the screening of heat-tolerant cotton g

关键词： Accessions Biochemical Breeding Cotton Generation mean analysis Heat stress

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Clathrin light chains negatively regulate plant immunity by hijacking the autophagy pathway

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Plant Communications 2024年第8期5卷 172-188页

作者： Hu-Jiao Lan Jie Ran Wen-Xu Wang Lei Zhang Ni-Ni Wu Ya-Ting Zhao Min-Jun Huang Min Ni Fen Liu Ninghui Cheng Paul A.Nakata Jianwei Pan Steven A.Whitham Barbara J.Baker Jian-Zhong Liu Zhejiang Provincial Key Laboratory of Biotechnology on Specialty Economic Plants Zhejiang Normal UniversityJinhua 321004China Institute of Plant Genetics and Developmental Biology College of Chemistry and Life SciencesZhejiang Normal UniversityJinhua 321004China College of Life Sciences Lanzhou UniversityLanzhou 730000China Department of Plant Pathology and Microbiology Iowa State UniversityAmesIA 50011USA Department of Plant and Microbial Biology University of CaliforniaBerkeleyBerkeleyCA 94720USA Plant Gene Expression Center U.S.Department of Agriculture-Agricultural Research ServiceAlbanyCA 94706USA Lushan Botanical Garden Chinese Academy of SciencesJiujiang 332000China U.S.Department of Agriculture-agricultural research service Children’s Nutrition Research CenterDepartment of PediatricsBaylor College of MedicineHoustonTX 77030USA

The crosstalk between clathrin-mediated endocytosis(CME)and the autophagy pathway has been reported in mammals;however,the interconnection of CME with autophagy has not been established in ***,we report that the Arabidopsis CLATHRIN LIGHT CHAIN(CLC)subunit 2 and 3 double mutant,clc2-1 clc3-1,phenocopies Arabidopsis AUTOPHAGY-RELATED GENE(ATG)mutants in both autoimmunity and nutrient ***,the autophagy pathway is significantly compromised in the clc2-1 clc3-1 ***,multiple assays demonstrate that CLC2 directly interacts with ATG8h/ATG8i in a domain-specific *** expected,both GFP-ATG8h/GFP-ATG8i and CLC2-GFP are subjected to autophagic degradation,and degradation of GFP-ATG8h is significantly reduced in the clc2-1 clc3-1 ***,simultaneous knockout of ATG8h and ATG8i by CRISPR-Cas9 results in enhanced resistance against Golovinomyces cichoracearum,supporting the functional relevance of the CLC2-ATG8h/8i *** conclusion,our results reveal a link between the function of CLCs and the autophagy pathway in Arabidopsis.

关键词： autophagy clathrin light chain immunity clathrin-mediated endocytosis senescence cell death

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