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Comprehensive evaluation of the metabolic effects of insect meal from Tenebrio molitor *** growing pigs by transcriptomics, metabolomics and lipidomics

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Journal of Animal science and Biotechnology 2020年第2期11卷 527-544页

作者： sandra Meyer Denise K.Gessner maria s.braune Theresa Friedhoff Erika Most Marcus Höring Gerhard Liebisch Holger Zorn Klaus Eder Robert Ringseis Institute of Animal Nutrition and Nutrition Physiology Justus Liebig University GiessenHeinrich-Buff-Ring 26-3235392 GiessenGiessenGermany Institute of Clinical Chemistry and Laboratory Medicine University Hospital of RegensburgFranz-Josef-Strauss-Allee 1193053 RegensburgGermany Institute of Food Chemistry and Food Biotechnology Justus Liebig University GiessenHeinrich-Buff-Ring 1735392 GiessenGiessenGermany Fraunhofer Institute for Molecular Biology and Applied Ecology Winchester Str.235394 GiessenGiessenGermany

Background:The hypothesis was tested that insect meal(IM)as protein source influences intermediary metabolism of growing *** test this,30 male,5-week-old crossbred pigs were randomly assigned to 3 groups of 10 pigs each with similar body weights(BW)and fed isonitrogenous diets either without(CON)or with 5%IM(IM5)or 10%IM(IM10)from Tenebrio molitor *** 4 weeks and key metabolic tissues(liver,muscle,plasma)were analyzed using ***:Most performance parameters did not differ across the groups,whereas ileal digestibilities of most amino acids were 6.7 to 15.6%-units lower in IM10 than in CON(Pscriptomics of liver and skeletal muscle revealed a total of 166 and 198,respectively,transcripts differentially expressed between IM10 and CON(Psma metabolomics revealed higher concentrations of alanine,citrulline,glutamate,proline,serine,tyrosine and valine and a lower concentration of asparagine in IM10 than in CON(Ps,namely methionine sulfoxide(Mets),in plasma was elevated by 45%and 71%in IM5 and IM10,respectively,compared to CON(Psma concentrations of both,major carnitine/acylcarnitine species and bile acids were not different across *** of liver and plasma demonstrated no differences in the concentrations of triacylglycerols,cholesterol and the main phospholipids,lysophospholipids and sphingolipids between *** percentages of all individual phosphatidylcholine(PC)and phosphatidylethanolamine(PE)species in the liver showed no differences between groups,except those with 6 double bonds(PC 38:6,PC 40:6,PE 38:6,PE 40:6),which were markedly lower in IM10 than in CON(Ps,the percentage of C22:6n-3 in hepatic total lipids was lower in IM10 than in the other groups(Psions:Comprehensive analyzes of the transcriptome,lipidome and metabolome of key metabolic tissues indicate that partial or complete replacement o

关键词： Animal nutrition Insect meal Lipidome Liver Metabolism Metabolome Pigs Plasma skeletal muscle Transcriptome

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Co-contaminants of microplastics in two seabird species from the Canadian Arctic

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Environmental science and Ecotechnology 2022年第4期12卷 87-96页

作者： Roxana sühring Julia E.Baak Robert J.Letcher Birgit M.braune Amila de silva Cody Dey Kim Fernie Zhe Lu Mark L.Mallory stephanie Avery-Gomm Jennifer F.Provencher Department of Chemistry and Biology Toronto Metropolitan University(formerly known as Ryerson University)350 Victoria StTorontoONM5B 2K3Canada Department of Natural Resource science McGill UniversitySainte Anne de BellevueQuebecH9X 3V9Canada Environment and Climate Change Canada National Wildlife Research CentreCarleton UniversityRaven RoadOttawaOntarioK1A 0H3Canada Aquatic Contaminants Research Division Environment and Climate Change CanadaBurlingtonOntarioL7S 1A1Canada Ecotoxicology&Wildlife Health Division Environment and Climate Change CanadaBurlingtonOntarioL7S 1A1Canada Institut des sciences de la Mer de Rimouski Université du Québec à RimouskiRimouskiQuébecG5L 3A1Canada Department of Biology Acadia UniversityWolfvilleNova ScotiaB4P 2R6Canada

Through ingestion and subsequent egestion,Arctic seabirds can bioaccumulate microplastics at and around their colony breeding *** microplastics in Arctic seabirds have been well documented,it is not yet understood to what extent these particles can act as transport vehicles for plastic-associated contaminants,including legacy persistent organic pollutants(POPs),trace metals,and organic *** investigated the occurrence and pattern of organic and inorganic co-contaminants of microplastics in two seabird species from the Canadian Arctic-northern fulmar(Fulmarus glacialis)and black-legged kittiwake(Rissa tridactyla).We found that fulmars had higher levels of plastic contamination and emerging organic compounds(known to be plastic additives)than kittiwakes,whereas higher concentrations of legacy POPs were found in kittiwakes than the ***,fulmars,the species with the much larger foraging range(~200 km),had higher plastic pollution and overall contaminant burdens,indicating that birds may be acting as long-range transport vectors for plasticassociated *** results suggest a potential connection between plastic additive contamination and plastic pollution burdens in the bird stomachs,highlighting the importance of treating plastic particles and plastic-associated organic additives as co-contaminants rather than separate pollution issues.

关键词： Plastic contaminants Contaminants of emerging arctic concern Arctic seabirds PFAs OPEs PBDEs Trace metals

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南非地下水管理的广泛内容

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国土资源科技管理 2002年第2期19卷 66-72页

作者： E.braune 徐永新胡瑾南非联邦政府水资源部南非西开普大学成都理工大学

南非的地下水管理经过1998年国家颁布的水法得到了改善,即在南非政府的管理下,将目前国家水资源管理不完善的状态向水资源管理一体化发展。地下水管理将从一种高度集中的管理形式转变到这样一种状况:即地下水将在全国各流域管理系统中... 详细信息

南非的地下水管理经过1998年国家颁布的水法得到了改善,即在南非政府的管理下,将目前国家水资源管理不完善的状态向水资源管理一体化发展。地下水管理将从一种高度集中的管理形式转变到这样一种状况:即地下水将在全国各流域管理系统中发挥其独特的作用,同时各用水户之间将通过一种创新的方式联系在一起,这种方式就是共享各相关政府部门及个人的供水量、资源量及信息等内容。

关键词：南非地下水管理政策法律法规信息系统供水量资源量

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