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How do soil fauna and soil microbiota respond to beech forest growth?

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Current Zoology 2009年第4期55卷 272-278页

作者： matthieu CHAUVAT Andrei S.ZAITSEV Ernst GABRIEL Volkmar WOLTERS Department of Animal Ecology Justus Liebig University

The dynamics and performance of soil biota during forest rotation were studied in monoculture beech stands forming a chronosequence of four different age-classes(30,62,111,153 yr).Biomass was monitored in major groups of microflora,microfauna,mesofauna,and *** availability(litter layer,soil organic mater),biomass of the two dominant decomposer groups(microflora,earthworms)as well as the biomass of mesofauna and microfauna were found to remain quite stable during forest ***,the marked increase of the biomasses of primary decomposers(fungi,saprophagous macroinvertebrates)in the 62-year-old stand,followed by an increase of the biomasses of macropredators in the 111-year-old stand,indicate substantial changes of several components of edaphic communities during forest ***,constant values of soil respiration suggest that the overall performance of the soil food web does not change during beech forest ***,the decomposer system of lowland managed beech forests on calcareous soils seems to be very stable over *** suggest that earthworm activity might have masked impacts of forest development on other soil biota and led to an astounding stability of decomposer assemblages during beech forest rotation.

关键词： Beech Chronosequence Ecosystem performance Soil food-web Forest

Grating Writing in Structured Optical Fibers

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Photonic Sensors 2011年第3期1卷 199-203页

作者： John CANNING Nathaniel GROOTHOFF Kevin COOK Michael STEVENSON John HOLDSWORTH matthieu LANCRY Bertrand POUMELLEC Interdisciplinary Photonics Laboratories (iPL) School of Chemistry University of Sydney Sydney NSW 2006Australia School of Mathematical and Physical Sciences University of Newcastle Callaghan 2308 NSW Australia Institut de Chimie Mol~culaire et des Mat~riaux d'Orsay UMR CNRS-UPS 8182 Universite de Paris Sud 11 Bdtiment410 91405 Orsay France

Grating writing in structured optical fibers is reviewed. Various laser sources have been used including UV and near IR nanosecond and femtosecond lasers, each enabling different material processing regimes. The issue... 详细信息

关键词： Gratings structured optical fibers Fresnel fibers photonic crystal fibers microstructured optical fibers sensors

Tunneled tubularized bladder mucosal graft for long urethral reconstruction:is it a reliable option in selected complex cases in children and adolescents?

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Plastic and Aesthetic Research 2022年第1期9卷 585-595页

作者： Alaa El-Ghoneimi Amane-Allah Lachkar Pauline Lopez Annabel Paye-Jaouen matthieu Peycelon Department of Pediatric Surgery and Urology University Hospital Robert-DebréAPHPUniversitéParis CitéParis 75019France National Reference Center for Rare Urinary Tract Malformations(MARVU) Paris 75019France

Aim:We analyzed the use of tubularized tunneled bladder mucosa graft(TBMG)and its application as a salvage procedure or as primary surgery for long urethroplasty in children and *** attention was given to a new method to harvest a long bladder mucosa graft through a minimal ***:We analyzed the files of 10 patients who underwent TBMG urethroplasty at median age of 105 months(range 20-195 months).The indications were perineal hypospadias cripple in two,masculinizing genitoplasty for ovotesticular Ovotesticular Disorder of Sex Development(DSD)in two,perineal hypospadias in four,duplicated urethra in one,and complications of circumcision in *** reconstruction was performed in all *** first stage was removal of all fibrous tissues and efficient treatment of curvature and skin *** a minimal delay of one year,a free bladder mucosa graft was harvested through a minimal detrusotomy and *** of the graft was proceeded from the perineal urethrostomy to the ***:The graft was successfully harvested through the minimal detrusotomy approach for variable lengths of urethroplasty;the median length was 10.5 cm(range 8-16 cm).The median follow up was 61.7 months(range 18-160 months).TBMG was the last surgery with no redo in five cases(50%).Long stricture occurred in one case of primary perineal hypospadias and needed a redo staged *** patients performed self-dilatation for distal ***:The tunneled bladder mucosa tube graft technique represents a good alternative for a long urethroplasty in patients with a paucity of healthy *** minimal detrusotomy technique for graft retrieval may reduce graft harvesting morbidity.

关键词： Hypospadias bladder mucosa graft hypospadias cripples urethra reconstruction

Hepatic complications induced by immunosuppressants and biologics in inflammatory bowel disease

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World Journal of Hepatology 2017年第13期9卷 613-626页

作者： My-Linh Tran-Minh Paula Sousa Marianne Maillet matthieu Allez Jean-Marc Gornet Department of Gastroenterology APHPSaint Louis Hospital75010 ParisFrance

The incidence of inflammatory bowel diseases(IBD)is rising *** therapeutic options for IBD are expanding,and the number of drugs with new targets will rapidly increase in coming years.A rapid step-up approach with close monitoring of intestinal inflammation is extensively *** fear of side effects represents one the most limiting factor of their *** a widespread use for years,drug induced liver injury(DILI)management remains a challenging situation with Azathioprine and *** seems less frequent with anti-tumor necrosis factor agents and new biologic *** aim of this review is to report incidence,physiopathology and practical guidelines in case of DILI occurrence with the armamentarium of old and new drugs in the field of IBD.

关键词： Drug induced liver toxicity Inflammatory bowel disease Crohn’s disease Ulcerative colitis

四川盆地丘陵区不同类型自然沟渠植被分布特征

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生态与农村环境学报 2019年第8期35卷 1020-1026页

作者：刘莲赵原 matthieu Nsenga Kumwimba 汪涛中国科学院成都山地灾害与环境研究所四川成都610041 中国科学院大学北京100049 中国科学院山地表生过程与生态调控重点实验室四川成都610041

植被是沟渠系统的重要组成部分,对沟渠生态功能的发挥具有重要作用。为促进长江上游沟渠植物物种多样性保护,以四川盆地中部丘陵区不同类型自然沟渠为研究对象,通过野外实地调查,分析了不同类型沟渠内植物种类、物种多样性指数、植被盖... 详细信息

植被是沟渠系统的重要组成部分,对沟渠生态功能的发挥具有重要作用。为促进长江上游沟渠植物物种多样性保护,以四川盆地中部丘陵区不同类型自然沟渠为研究对象,通过野外实地调查,分析了不同类型沟渠内植物种类、物种多样性指数、植被盖度和地上部生物量,探讨了周边土地利用方式对沟渠植被分布的影响。结果表明:(1)四川盆地中部丘陵区自然沟渠植被状况不容乐观。尽管自然沟渠内植物种类众多,调查样方内植物共有16科20种,但优势种较少,且仅以危害性大的过江草(Phyla nodiflora)和水花生(Alternanthera philoxeroides)为主,出现的频度分别为46.09%和38.26%。(2)物种多样性指数结果表明,居民区沟渠植物种类较为单一,优势种明显,群落结构较为简单。旱地沟渠植物种类较为丰富,群落结构较为复杂。水田沟渠和荒地沟渠植物分布较为均匀。(3)不同类型沟渠中植被的盖度和生物量差异显著。其中,植被盖度平均值大小顺序为水田沟渠>居民区沟渠>旱地沟渠>荒地沟渠,植物地上部平均生物量大小顺序表现为居民区沟渠>水田沟渠>旱地沟渠>荒地沟渠。

关键词：生物多样性自然沟渠植被生物量盖度

NHS staff mental health status in the active phase of the COVID-19 era:a staff survey in a large London hospital

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General Psychiatry 2021年第2期34卷 69-77页

作者： Ikenna David Ike matthieu Durand-Hill Eiman Elmusharaf Nicole Asemota Elizabeth Silva Elliott White Wael I Awad Department of Cardiothoracic Surgery St Bartholomew's HospitalLondonUK

Background Experiencing a pandemic can be very unsettling and may have a negative impact on the mental health of frontline healthcare workers(HCWs).This may have serious consequences for the overall well-being of HCWs,which in turn may adversely affect patient safety and the productivity of the *** We designed a study to assess the prevalence of generalised anxiety disorder(GAD),depression and work-related stress experienced by the National Health Service staff in a large tertiary London hospital treating patients with COVID-19 during the current active phase of the COVID-19 *** An anonymous survey was designed with demographic data and three *** Generalised Anxiety Disorder-7(GAD-7)and Patient Health Questionnaire-9 were used to assess anxiety and depression,*** Health and Safety Executive Management Standards Indicator Tool was used to assess work-related *** from multiple specialties embracing cardiothoracic surgery,cardiology,respiratory medicine,endocrinology,oncology,imaging,anaesthesia and intensive care at our hospital were asked to complete the questionnaire between 25 May and 15 June *** A total of 302 staff members(106 males and 196 females)completed the *** overall prevalence of GAD and depression was 41.4%and 42.7%,*** prevalence of GAD and depression was significantly higher in females than in males and was statistically *** were four times more likely to report moderate to severe levels of anxiety and depression as compared with ***-related stress was also observed to be prevalent in our surveyed population with the following standards:relationships,role,control and change showing a need for *** Our study presents early evidence suggestive of a high prevalence of GAD,depression and work-related stress in *** is imperative that coherent strategies are implemented to improve the healthcare work environment during this pa

关键词： survey consequences staff

The AFB1 auxin receptor controls the cytoplasmic auxin response pathway in Arabidopsis thaliana

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Molecular Plant 2023年第7期16卷 1120-1130页

作者： Shiv Mani Dubey Soeun Han Nathan Stutzman Michael J.Prigge Eva Medvecka matthieu Pierre Platre Wolfgang Busch Matyas Fendrych Mark Estelle Department of Experimental Plant Biology Faculty of SciencesCharles UniversityPragueCzech Republic Section of Cell and Developmental Biology University of California San DiegoLa JollaCAUSA Plant Molecular and Cellular Biology Laboratory and Integrative Biology Laboratory Salk Institute for Biological StudiesLa JollaCAUSA Department of Biology Chungbuk National UniversityCheongjuKorea

The phytohormone auxin triggers root growth inhibition within seconds via a *** members of the TIR1/AFB auxin receptor family,AFB1 has a primary role in this rapidresponse. However, the unique features that confer this specific function have not been *** we show that the N-terminal region of AFB1, including the F-box domain and residues thatcontribute to auxin binding,is essential and sufficient for its specific role in the rapid response. Substitutionof the N-terminal region of AFB1 with that of TIR1 disrupts its distinct cytoplasm-enriched localizationand activity in rapid root growth inhibition by auxin. Importantly, the N-terminal region of AFB1 isindispensable for auxin-triggered calcium influx, which is a prerequisite for rapid root growth ***, AFB1 negatively regulates lateral root formation and transcription of auxin-induced genes,suggesting that it plays an inhibitory role in canonical auxin signaling. These results suggest that AFB1may buffer the transcriptional auxin response, whereas it regulates rapid changes in cell growth thatcontributeto rootgravitropism.

关键词： gravitropism calcium auxin signaling Arabidopsis lateral root

25-hydroxycholecalciferol reverses heat induced alterations in bone quality in finisher broilers associated with effects on intestinal integrity and inflammation

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Journal of Animal Science and Biotechnology 2022年第2期13卷 499-519页

作者： Huaiyong Zhang Maryam Majdeddin Djoere Gaublomme Bernard Taminiau matthieu Boone Dirk Elewaut George Daube Iván Josipovic Keying Zhang Joris Michiels Laboratory for Animal Nutrition and Animal Product Quality Department of Animal Sciences and Aquatic EcologyGhent University9000 GhentBelgium Key laboratory of Animal Disease-resistant Nutrition Ministry of EducationInstitute of Animal NutritionSichuan Agricultural UniversityYa’an 611130SichuanChina Unit Molecular Immunology and Inflammation VIB Center for Inflammation ResearchGhent University and Department of RheumatologyGhent University Hospital9000 GhentBelgium Department of Food Sciences-Microbiology University of Liège4000 LiègeBelgium Ghent University Centre for X-ray Tomography(UGCT) Ghent University9000 GhentBelgium Department of Physics and Astronomy Radiation Physics Research GroupGhent University9000 GhentBelgium

Background:Alterations in ambient temperature have been associated with multiple detrimental effects on broilers such as intestinal barrier disruption and dysbiosis resulting in systemic *** and 25-hydroxycholecalciferol(25-OH-D_(3))have shown to play a negative and positive role,respectively,in the regulation of bone *** the potential of 25-OH-D_(3)in alleviating heat induced bone alterations and its mechanisms was ***:Heat stress(HS)directly induced a decrease in tibia material properties and bone mass,as demonstrated by lower mineral content,and HS caused a notable increase in intestinal *** with dietary 25-OH-D_(3)reversed the HS-induced bone loss and barrier *** suffering from HS exhibited dysbiosis and increased expression of inflammatory cytokines in the ileum and bone marrow,as well as increased osteoclast number and *** changes were prevented by dietary 25-OH-D_(3)***,dietary 25-OH-D_(3)addition decreased abundance of B-and T-cells in blood,and the expression of inflammatory cytokines,especially TNF-α,in both the ileum and bone marrow,but did not alter the diversity and population or composition of major bacterial *** regard to bone remodeling,dietary 25-OH-D_(3)supplementation was linked to a decrease in serum C-terminal cross-linked telopeptide of type I collagen reflecting bone resorption and a concomitant decrement in osteoclast-specific marker genes expression(*** K),whereas it did not apparently change serum bone formation markers during ***:These data underscore the damage of HS to intestinal integrity and bone health,as well as that dietary 25-OH-D_(3)supplementation was identified as a potential therapy for preventing these adverse effects.

关键词： Bone remodeling HS Inflammation Intestinal barrier Tibial mass

Fulminant myocarditis in adults: a narrative review

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Journal of Geriatric Cardiology 2022年第2期19卷 137-151页

作者： Santiago Montero Darryl Abrams Enrico Ammirati Florent Huang Dirk WDonker Guillaume Hekimian Cosme García-García Antoni Bayes-Genis Alain Combes matthieu Schmidt Acute Cardiovascular Care Unit Heart InstituteHospital Germans Trias i PujolDepartament de MedicinaUniversitat Autònoma de BarcelonaCIBERCVSpain Assistance Publique-Hôpitaux de Paris Pitié-Salpêtrière HospitalMedical Intensive Care UnitParisFrance Columbia University Vagelos College of Physicians&Surgeons/NewYork-Presbyterian Hospital New YorkUSA Center for Acute Respiratory Failure Columbia University Irving Medical CenterNew YorkUSA De Gasperis Cardio Center and Transplant Center Niguarda HospitalMilanoItaly Cardiology Hôpital FochSuresnesParisFrance Intensive Care Center University Medical Center UtrechtUtrechtthe Netherlands Cardiovascular and Respiratory Physiology TechMed CenterUniversity of TwenteEnschedethe Netherlands Sorbonne Université INSERM UMRS_1166-iCANInstitute of Cardiometabolism and NutritionParisFrance

Fulminant myocarditis(FM)is an uncommon syndrome characterized by sudden and severe hemodynamic compromise secondary to acute myocardial inflammation,often presenting as profound cardiogenic shock,life-threatening ventricular arrhythmias and/or electrical *** may be refractory to conventional therapies and require mechanical circulatory support(MCS).The immune system has been recognized as playing a pivotal role in the pathophysiology of myocarditis,leading to an increased focus on immunosuppressive treatment *** data have highlighted not only the fact that FM has significantly worse outcomes than non-FM,but that prognosis and management strategies of FM are heavily dependent on histological subtype,placing greater emphasis on the role of endomyocardial biopsy in *** impact of subtype on severity and prognosis will likewise influence how aggressively the myocarditis is managed,including whether MCS is *** patients with refractory cardiogenic shock secondary to FM end up requiring MCS,with venoarterial extracorporeal membrane oxygenation demonstrating favorable survival rates,particularly when initiated prior to the development of multiorgan *** the challenges facing the field are the need to more precisely identify immunopathophysiological pathways in order to develop targeted therapies,and the need to better optimize the timing and management of MCS to minimize complications and maximize outcomes.

关键词： myocarditis initiated storm