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Processes involving soil CO_(2)dyna.ic in a.sector of Cha.o-Pa.pea. pla.n,a.gentina.a. isotope geochemica. a.proa.h

a.ta.Geochimica 2024年第5期43卷 947-958页

作者： Sa.ci Romina.Pa.a.ello h.ctor Instituto de Geociencia. Básica. Aplicadas y Ambientales de Buenos Aires(IGEBA)Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresCABAIntendente Güiraldes 2160Pabellón IIPiso 1C1428EGA Ciudad UniversitariaArgentina Instituto de Geocronología.y Geología.Isotópica.INGEIS) Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresCABAIntendente Güiraldes 2160Pabellón INGEISC1428EGA Ciudad UniversitariaArgentina

The ma.nitude a.d spa.ia. va.ia.ility of CO_(2)surfa.e emissions a.d processes involving CO_(2)relea.ed to the a.mosphere from the soils a.e releva.t issues in the context of clima.e *** work eva.ua.ed CO_(2)fluxes a.d^(13)C/^(12)C ra.io of vegeta.ion,orga.ic ma.ter,a.d soil ga.es from no disturbed soils of Cha.o Pa.pea. Pla.n(a.gentina.with different soil properties a.d environmenta. conditions(PL a.d Pa.units).Soil orga.ic decomposition from individua. la.ers wa. a.compa.ied byδ^(13)C of tota. orga.ic ca.bon(δ^(13)C-TOC)va.ues more enriched to depth.δ^(13)C-TOC va.ues in the upper soil profile~ca.0–15 cm were like the pla.t community of this a.ea.~−33 to−29‰)whileδ^(13)CTOC va.ied stronger bellow horizon a.till~−24‰.Bothδ^(13)C-TOC a.d soilδ^(13)C-CO_(2)were simila.(~−24 to 26‰)a. deeper horizons(~50–60 cm).Towa.d the superficia. la.ers,δ^(13)C-TOC a.dδ^(13)C-CO_(2)showed more differences(till~4‰),due influence of the diffusion *** a.la.er(~0–20 cm)from both PL a.d Pa.units conta.ned the most enrichedδ^(13)C-CO_(2)va.ues(~−15–17‰)beca.se a.mospheric CO_(2)permea.ed the soil a.r.a.simple two-component mixing model between sources(a.mosphericδ^(13)C-CO_(2)a.d soil CO_(2))confirmed tha. ***,CO_(2)fluxes reflected the biodegra.a.ion of C3 pla.ts(source),diffusive tra.sport,a.d CO_(2)excha.ge(a.mosphere/soil).Soil moisture content a.pea.ed a. a.determining fa.0} in the diffusion process a.d the ma.nitude of CO_(2)surfa.e emissions(12–60 g·m^(−2)·d^(−1)).Tha. condition wa. confirmed by CO_(2)diffusion coefficients estima.ed by a.r-filled porosity pa.a.eters a.d soil ra.on gra.ient model.

关键词： Soil CO_(2) Ca.bon isotopes Isotope fra.tiona.ion Ra.on ga.es

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Long-term effects of gesta.iona. dia.etes mellitus on the pa.crea. of fema.e mouse offspring

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World Journa. of Dia.etes 2024年第4期15卷 758-768页

作者： Enriqueta.Muñoz-Isla. Edga. Da.id Sa.tia.o-Sa.Ma.tin Edua.do Mendoza.Sánchez h.ctor Fa.ián Torres-rodríguez La.ra.Ya.neth Ra.írez-Quinta.illa.Christopher Micha.l Peters Jua. Miguel Jiménez-a.dra.e Unida. a.a.émica.Multidisciplina.ia.Reynosa.a.tlán Universidad Autónoma de TamaulipasReynosa 88740TamaulipasMexico Depa.tment of a.esthesiology Wake Forest University School of MedicineWinston SalemNC 27101United States

Ba.KGROUND Prolonged feta. exposure to hyperglycemia.ma. increa.e the risk of developing a.norma. glucose meta.olism a.d type-2 dia.etes during childhood,a.olescence,a.d a.ulthood;however,the mecha.isms by which gesta.iona. dia.etes mellitus(GDM)predisposes offspring to meta.olic disorders rema.n *** To qua.tify the nerve a.ons,ma.ropha.es,a.d va.cula.ure in the pa.crea. from a.ult offspring born from mouse da.s with *** GDM wa. induced by *** of streptozotocin(STZ)in ICR mouse *** 12 wk old,fa.ting blood glucose levels were determined in *** 15 wk old,fema.e offspring born from da.s with a.d without GDM were sa.rificed a.d pa.crea.a.were processed for *** qua.tified the density of sensory[ca.citonin gene-rela.ed peptide(CGRP)]a.d tyrosine hydroxyla.e(Th)a.ons,blood vessels(endomucin),a.d ma.ro-pha.es(CD68)in the splenic pa.crea. using confoca. *** Offspring mice born from STZ-trea.ed da.s ha. simila. body weight a.d blood glucose va.ues compa.ed to offspring born from vehicle-trea.ed ***,the density of CGRP+a.d Th+a.ons,endomucin+blood vessels,a.d CD68+ma.ropha.es in the exocrine pa.crea. wa. significa.tly grea.er in offspring from mothers with GDM vs control ***,the microva.cula.ure in the islets wa. significa.tly grea.er,but not the number of ma.ropha.es within the islets of offspring born from da.s with GDM compa.ed to control *** GDM induces neurona.,va.cula.,a.d infla.ma.ory cha.ges in the pa.crea. of a.ult progeny,which ma. pa.tia.ly expla.n the higher propensity for offspring of mothers with GDM to develop meta.olic disea.es.

关键词： Gesta.iona. dia.etes mellitus Immunohistochemistry Confoca. microscopy Pa.crea. Offspring

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Morphometric a.tributes of Two Na.ive Fora.e Species a.cording to Wa.er Source Dista.ce in Semia.id Centra. Gra.sla.ds of a.gentina

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Phyton-Interna.iona. Journa. of Experimenta. Bota.y 2024年第8期93卷 2063-2074页

作者： Ca.la.Etel Suárez Ma.ía.Sol Rossini Ernesto Fra.cisco a.ilio Morici h.ctor Da.iel Esterlich La.ora.orio de Ecología.en a.bientes Semiáridos Ecología VegetalFacultad de AgronomíaUNLPamSanta Rosa6300Argentina Fa.ulta. de Ciencia. Veterina.ia. UNLPamGeneral Pico6360Argentina Beca.ia.Doctora. CONICET APNFacultad de AgronomíaUNLPamSanta Rosa6300Argentina

The semia.id gra.sla.ds of a.gentina.s centra. region ha.e been modified by domestic livestock gra.ing,both in their composition a.d *** increa.e in the proportion of woody a.d non-fora.e species a.d the decrea.e in fora.e species a.e some of the most evident results of this *** is limited a.a.la.le informa.ion a.out the effect of differentia. gra.ing pressures on morphometric a.tributes of na.ive species,a.d it a.so depends on the life histories of the species in this *** objective of this work wa. to eva.ua.e some morphometric a.pects in the gra.ses Poa.ligula.is Nees ex Steud a.d Piptocha.tium na.osta.nse(Speg.).ha.k a.cording to dista.ce from the wa.er source in communities in the centra. semia.id region of *** study a.ea.included a.ea. of low gra.sla.d,golden forests,a.d seconda.y forests in gra.sla.ds(6 fields with 9 pa.docks).Gra.ing pressure wa. esta.lished ba.ed on the dista.ce to the wa.er source,so sa.pling a.ea. were designa.ed nea. the wa.er source(gra.ing pressure is grea.er)a.d fa. from the wa.er source(gra.ing pressure light)in ea.h of the *** both species,specimens were selected a. ra.dom,a.d the following a.tributes were mea.ured:crown dia.eter a. ground level(cm),buria. depth(cm),a.era.e tiller weight per pla.t(***^(−1)),a.d the density of tillers per unit of crown surfa.e(***^(−2)crown).The morphometric a.tributes eva.ua.ed showed differences a.cording to the dista.ce to the wa.ering hole a.d in the different *** species presented simila. beha.iors for the *** were significa.t differences in the depth of buria. a.d the a.era.e weight of tillers per pla.t,being grea.er in the a.ea. close to the wa.er *** the dista.ce to the wa.ering hole,there were no significa.t differences in crown dia.eter a.d tiller density,but the highest va.ues were recorded for the former nea. the wa.ering hole a.d for the second fa. from the wa.ering *** pa.tures with low

关键词： Gra.ing pressure tiller density tiller weight crown buria. depth Poa.ligula.is Piptocha.tium na.osta.nse

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Genera.ized height-Dia.eter Models for Pinus montezuma. La.b. a.d Pinus pseudostrobus Lindl. Pla.ta.ions in Michoa.a., Mexico

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Open Journa. of Forestry 2024年第3期14卷 214-232页

作者： Jona.ha. hernández-Ra.os Va.entín José Reyes-hernández h.ctor Ma.uel De los Sa.tos-Posa.a. a.relio Ma.uel Fierros-González Enrique Buendía.rodríguez Gerónimo Quiñonez-Ba.ra.a Instituto Na.iona. de Investiga.iones Foresta.es Agrcolas y Pecuarias (INIFAP)-Campo Experimental Bajo Celaya Guanajuato Mxico Colegio de Postgra.ua.os (COLPOS) Campus Montecillo Mxico INIFa. Campo Experimental Valle de Mxico Texcoco Mxico INIFa. Campo Experimental Valle del Guardiana Durango Mxico

Tree height (h) in a.na.ura. sta.d or forest pla.ta.ion is a.funda.enta. va.ia.le in ma.a.ement, a.d the use of ma.hema.ica. expressions tha. estima.e h a. a.function of dia.eter a. brea.t height (d) or va.ia.les a. the sta.d level is a.va.ua.le support tool in forest inventories. The objective wa. to fit a.d propose a.genera.ized h-d model for Pinus montezuma. a.d Pinus pseudostrobus esta.lished in forest pla.ta.ions of Nuevo Sa. Jua. Pa.a.ga.icutiro, Michoa.a., Mexico. Using nonlinea. lea.t squa.es (NLS), 10 genera.ized h-d models were fitted to 883 a.d 1226 pa.rs of h-d da.a.from Pinus montezuma. a.d Pinus pseudostrobus, respectively. The best model wa. refitted with the ma.imum likelihood mixed effects model (MEM) a.proa.h by including the site a. a.cla.sifica.ion va.ia.le a.d a.known va.ia.ce structure. The Wa.g a.d Ta.g equa.ion wa. selected a. the best model with NLS;the MEM with a. a.ditive effect on two of its pa.a.eters a.d a. exponentia. va.ia.ce function improved the fit sta.istics for Pinus montezuma. a.d Pinus pseudostrobus, respectively. The model va.ida.ion showed equa.ity of mea.s a.ong the estima.es for both species a.d a. independent subsa.ple. The ca.ibra.ion of the MEM a. the plot level wa. efficient a.d might increa.e the a.plica.ility of these results. The inclusion of domina.t height in the MEM a.proa.h helped to reduce bia. in the estima.es a.d a.so to better expla.n the va.ia.ility a.ong plots.

关键词： Ra.dom Cova.ia.e Ra.dom Effects Va.ia.ce Structure Forest Inventories Forest Ma.a.ement Mixed Models

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Impa.ts of brood pa.a.itism by shiny cowbird Molothrus bona.iensis on the breeding success of a.sma.l host, the bla.k-ba.ked wa.er tyra.t Fluvicola.a.biventer

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Current Zoology 2024年第4期70卷 539-547页

作者： Lorena.Va.esa.Sovra.o Evelina.Jesica.Leon rodrigo Ezequiel Lorenzón Pa.ela.Ferna.da.Olguin a.olfo h.ctor Beltzer a.eja.dro Ra.l Gira.do La.ora.orio de Biodiversida. y Conserva.ion de Tetra.odos Instituto Nacional de Limnologia(INALICONICET-UNL)Paraje El Pozo s/nSanta Fe(3000)Argentina Depa.ta.ento de Biologia Universidad Autonoma de Entre RiosKm 10.5 RP 11Oro Verde(3100)Entre RiosArgentina Depa.ta.ento de Biologia Universidad Nacional del LitoralFacultad de Humanidades y CienciasParaje Ei Pozo s/nSanta Fe(3000)Argentina

The shiny cowbird Molothrus bona.iensis pa.a.itizes ma.y species with different life-history tra.ts a.d ha. a.detrimenta. effect on the surviva. of the progeny of the *** response,hosts ha.e developed numerous a.tipa.a.itic ***,we exa.ined the effects of brood pa.a.itism by shiny cowbird on the clutch a.d brood sizes(83 nests)in a.sma.l host,the bla.k-ba.ked wa.er tyra.t Fluvicola.*** a.so studied whether the dea.h of pa.a.ite nestlings wa. rela.ed to the ca.e of the foster pa.ents a.d whether the host ha. a.y a.tipa.a.itic defense a.a.nst the shiny *** results indica.e tha. brood pa.a.itism significa.tly decrea.ed the host ha.ching a.d fledging *** ma.ority of nest fa.lures(57%)were ca.sed by brood *** cowbird pa.a.itism occurred in 52%of nests a.d the intensity of pa.a.itism wa. 1.23±0.53 eggs per pa.a.itized *** the tota. host eggs,54%were *** the incuba.ion sta.e,20 nests(47%)were a.a.doned beca.se of egg punctures by shiny cowbirds *** two pa.a.itic fledglings were recorded,while the rema.ning nestlings either died from sta.va.ion(n=12)or preda.ion(n=3).Foster pa.ents a.a.doned pa.a.itic nestlings between 5 a.d 10 da.s *** findings demonstra.e tha. the shiny cowbird ha. very low ra.es of fledging success when pa.a.itizing bla.k-ba.ked wa.er ***,pa.a.itism ha. a.high reproductive cost in the bla.k-ba.ked wa.er tyra.t beca.se a.very low proportion(7%)of the pa.a.itized nests(n=43)were successful.

关键词： brood pa.a.itism host defenses nest desertion shiny cowbird sma.l host.

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Liquid-liquid interfa.ia. tension of equilibra.ed mixtures of ionic liquids a.d hydroca.bons

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Science China.Chemistry 2012年第8期55卷 1519-1524页

作者： rodríguez h.ctor a.CE a.berto SOTO a.a Depa.tment of Chemica. Engineering University of Santiago de Compostela E-15782 Santiago de Compostela Spain

Ionic liquids a.e possible a.terna.ive solvents for the sepa.a.ion of a.oma.ic a.d a.ipha.ic hydroca.bons by liquid-liquid extra.- tion. Interfa.ia. tension is a. importa.t property to consider in the design of liquid-liquid extra.tion processes. In this work, the liquid-liquid interfa.ia. tension a.d the mutua. solubility a. 25 ℃ ha.e been mea.ured for a.series of bipha.ic, equilibra.ed mixtures of a. ionic liquid a.d a.hydroca.bon. In pa.ticula., the ionic liquids 1-a.kyl-3-methylimida.olium bis（trifluorome- tha.esulfonyl）imide （with the a.kyl substituent being ethyl, hexyl or decyl）, 1-ethyl-3-methylimida.olium ethylsulfa.e, a.d 1-ethyl-3-methylimida.olium metha.esulfona.e ha.e been selected, a. well a. the hydroca.bons benzene, hexa.e, ethylben- zene, a.d octa.e. The selected sets of ionic liquids a.d hydroca.bons a.low the a.a.ysis of the influence of a.series of effects on the interfa.ia. tension. For exa.ple, the interfa.ia. tension decrea.es with a. increa.e in the length of the a.kyl substituent cha.n of the ca.ion or with a. increa.e of the degree of cha.ge deloca.isa.ion in the a.ion of the ionic liquid. a.so, the interfa. cia. tension with the a.oma.ic hydroca.bons is ma.kedly lower tha. tha. with the a.ipha.ic hydroca.bons. a.sma.ler effect is ca.sed by va.ia.ion of the size of the hydroca.bon. Some of the observed trends ca. be expla.ned from the mutua. solubility of the hydroca.bon a.d the ionic liquid.

关键词： ionic liquid a.oma.ic hydroca.bon a.ipha.ic hydroca.bon interfa.ia. tension liquid-liquid equilibrium

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Geochemistry a.d minera.ogy of bea.h sediments in the northern Gulf of Mexico,Ta.a.lipa. sta.e,Mexico:implica.ion for provena.ce

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Journa. of Pa.a.ogeogra.hy 2024年第3期13卷 375-400页

作者： Ma.a.k Shukla.Sa.jeet K.Verma.Ma.la.a.Ra.os-Vázquez John S.a.mstrong-a.trin Ka.la.R.hernández-Ma.tínez Sumit Mishra.Vivek P.Ma.viya.h.ctor hernández-Mendoza Posgra.o de la.Division de Geociencia. a.lica.a. Instituto Potosino de Investigacion Científica y Tecnologica(IPICYT)Camino a la Presa San José2055San Luis Potosí78216Mexico Division de Geociencia. a.lica.a. Instituto Potosino de Investigación Científica y Tecnologica(IPICYT)Camino a la Presa San Jose 2055San Luis Potosí78216Mexico Universida. Na.iona. a.tonoma.de México Instituto de Ciencias del Mar y LimnologíaUnidad de ProcesosOceanicos y CosterosCiudad UniversitariaCiudad de México 04510Mexico Depa.tment of Ma.ine Sciences Bharathidasan UniversityTiruchirappalli620024Tamil NaduIndia Instituto de Geociencia. Universidad Nacional Autonoma de MéxicoBoulevard Juriquilla 300176230JuriquillaQueretaroMexico Depa.tment of a.plied Geology Dr.Harisingh Gour Central UniversitySagar470002Madhya PradeshIndia Instituto de Investiga.ion de Zona. Desértica. Universidad Autònoma de San Luis PotosíAltair 200CP 78377San LuisS.L.P.Mexico Universida. del Centro de Mexico Capitán Caldera 75CP 78250San LuisS.L.P.Mexico

Geochemica. a.d minera.ogica. studies were performed in the La.Pesca.LP)a.d Tesoro a.ta.ira.Ta.bea.h sediments,loca.ed in the Ta.a.lipa. sta.e,northern Gulf of *** ma.n a.m of this study is to infer the wea.hering history a.d provena.ce a.d to discrimina.e the tectonic environment of the bea.h *** sediments a.e composed of qua.tz with sma.l a.ounts of a.cessory minera.s such a. pla.iocla.e,ca.cite,orthocla.e,microcline,a.d *** bea.h sediments a.e cla.sified a. fine-gra.ned a.d very well sorted,however LP ha. coa.se skewed a.d leptokurtic sediments,wherea. Ta.ha. fine-skewed a.d very leptokurtic *** chemica. index of wea.hering(CIW’)indica.es intense wea.hering in the source *** qua.tz gra.n microtextures in the LP a.d Ta.a.e cla.sified into mecha.ica.,chemica.,a.d mecha.ica./chemica. *** fea.ures such a. fra.tures,pits,percussion ma.ks,a.ra.ion fa.igue,a.d V-sha.ed ma.ks fa.or high-energy littora.,fluvia.,suba.ueous-ma.ine,a.d a.olia. *** chemica. fea.ures indica.e solution pits a.d crysta.line overgrowth,which suggests a.silica.sa.ura.ed ma.ine *** mecha.ica./chemica. fea.ures displa. a.hering pa.ticles a.d elonga.ed depressions suggest forma.ion in a.sub-a.ueous nea.shore ma.ine *** a.d tra.e elements-ba.ed provena.ce discrimina.ion dia.ra.s indica.e a.felsic source derived from the Mesa.Centra.(MC),Sierra.Ma.re Orienta.(SMOr)a.d Oa.a.uia.*** ma.or a.d tra.e element concentra.ions imply a.pa.sive ma.gin setting for the northern Gulf of Mexico,which is consistent with the genera. geology.

关键词： Bea.h sediments Geochemistry Minera.ogy Provena.ce Ta.a.lipa. Tectonic setting

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Orga. a.scission in Pla.ts: With Specia. Empha.is on Bell Pepper

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Phyton-Interna.iona. Journa. of Experimenta. Bota.y 2024年第7期93卷 1467-1484页

作者： Ra.iro Reyes-Ca.tro h.ctor G.Núñez-Pa.enius Jua. I.Va.iente-Ba.uet Ma.ía.E.Sosa.Mora.es Bla.ca.E.Orosco-a.ca.á Ra.a.l Guzmán-Mendoza.Gra.iela.M.L.Ruiz-a.uila. Rogelio Costilla.Sa.a.a. Life Sciences Division Universidad de GuanajuatoIrapuato36500México School of Engineering a.d Sciences Tecnologico de MonterreyQuerétaro76130México

Bell pepper(Ca.sicum a.nuum L.),a.ong with pota.o a.d toma.o,is one of the three most cultiva.ed vegeta.les in the *** pepper is worldwide a.cepted due to its cha.a.teristics of color,smell,ﬂa.or,a.d *** pepper is a.so considered a.nutritious food due to its vita.in a.d a.tioxida.t *** Mexico,bell pepper production ha. a.high va.ue beca.se it is grown for the interna.iona. ma.kets,pa.ticula.ly the United Sta.es of ***,the a.scission ofﬂowers a.d fruits is a.fa.0} tha. limits the yield,hinders the pla.ning of a.tivities,a.d ca.ses a.va.ia.ion in the prices of *** to the importa.ce of this process,in this work we did a.bibliometric a.a.ysis a.d litera.ure review of scientiﬁc a.va.ces for the understa.ding of the a.scission pro-cess in pla.ts,a.d in pa.ticula. for the bell ***,we introduce new perspectives tha. would help direct future resea.ch a.out orga. a.scission in ***,the la.k of resea.ch tha. would further cla.ify a.scis-sion process in the bell pepper pla.t is discussed.

关键词： Ca.sicum a.nuum a.scission zone pla.t growth regula.ors environmenta. fa.0}s

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a.plica.ions of Microa.ga. in Five a.ea. of Biotechnology

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国际实验植物学杂志(英文) 2023年第10期92卷 2737-2759页

作者： h.ctor a.eja.dro Reza.Solis Ofelia.a.ria.a.hernández-rodríguez a.drés Fra.cisco Ma.tínez-Rosa.es Dáma.is Leopoldina.Ojeda.Ba.rios Fa.ulta. de Ciencia. a.rotecnológica. Universidad Autónoma de ChihuahuaChihuahua31000Mexico Fa.ulta. de Zootecnia.y Ecología Universidad Autónoma de ChihuahuaChihuahua33820Mexico

Microa.ga. a.e mostly photoa.totrophic microscopic *** to their cellula. structure,they a.e cla.sified into two types,euka.yotes,a.d proka.yotes,a.d they a.e distributed in a.l types of ecosystems,presenting unique qua.ities due to the fa.t tha. they synthesize high va.ue-a.ded molecules used in va.ious productive a.d environmenta. a.tivities,a.d beca.se their bioma.s is used a. ra. ma.eria. to obta.n va.ious ***,the objective of this review wa. to collect,orga.ize,a.d colla.e current informa.ion on the use of microa.ga. in the development of biotechnology involving the a.ea. of a.riculture,hea.th,food,bioremedia.ion,a.d *** results show tha. the microa.ga.Chlorella.sta.ds out for its multiple uses in the five a.ea. considered in this *** sea.ch for hea.thier a.d more environmenta.ly friendly technologies ha. contributed to the development of new biotechnologica. a.plica.ions tha. require the study a.d incorpora.ion of specia.ized microorga.isms to repla.e a.d/or improve existing a.plica.ions.

关键词： a.riculture hea.th food bioremedia.ion biofuels

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Dieta.y ca.bohydra.e-to-protein ra.io influences growth performa.ce,hepa.ic hea.th a.d dyna.ic of gut microbiota.in a.la.tic sa.mon(Sa.mo sa.a.)

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a.ima. Nutrition 2022年第3期10卷 261-279页

作者： a.eja.dro Villa.a.te Ca.olina.Ra.írez h.ctor rodríguez Pa.ricio Da.ta.na. a.ria. herna.dez Elía. Figueroa.Ja.me Romero Fa.ulta. de Medicina.Veterina.ia.y a.ronomía Universidad de Las AmericasSantiagoChile La.ora.orio de Biotecnología.de a.imentos Unidad de AlimentosInstituto de Nutricion y Tecnología de Los Alimentos(INTA)Universidad de ChileSantiagoChile Progra.a.de a.a.omía.y Biología.Del Desa.rollo Facultad de MedicinaUniversidad de ChileSantiagoChile Núcleo de Investiga.ion en Produccion a.imenta.ia Facultad de Recursos NaturalesUniversidad Catolica de TemucoTemucoChile

a.la.tic sa.mon(Sa.mo sa.a.)fed a.ca.bohydra.e-rich diet exhibit suboptima. growth performa.ce,a.ong with other meta.olic *** is well known tha. gut microbes pla. a.pivota. role in influencing meta.olism of the host,a.d these microbes ca. be modified by the *** ma.n goa. of the present study wa. to determine the effect of feeding gra.ed levels of digestible ca.bohydra.es to a.la.tic sa.mon on the dista. intestine digesta.microbiota.a. 3 sa.pling times(i.e.,weeks 4,8 a.d 12),during a.12-week tria..a.low ca.bohydra.e-to-high protein diet(LC/hP,0%whea. sta.ch),a.medium ca.bohydra.e-tomedium protein diet(MC/MP,15%whea. sta.ch)or a.high ca.bohydra.e-to-low protein diet(hC/LP,30%whea. sta.ch)wa. fed to triplica.e fish ta.ks(27 to 28 fish per ta.k).We performed a. in-depth cha.a.teriza.ion of the dista. intestine digesta.***,growth pa.a.eters,liver histology a.d the expression of genes involved in hepa.ic neolipogenesis in fish were *** fed a.hC/LP diet showed grea.er hepa.osoma.ic a.d viscerosoma.ic indexes(P=0.026 a.d P=0.018,respectively),lower fina. weight(P=0.005),weight ga.n(P=0.003),feed efficiency(P=0.033)a.d growth ra.e(P=0.003)compa.ed with fish fed the LC/hP ***,feeding sa.mon a.high digestible ca.bohydra.e diet ca.sed grea.er lipid va.uoliza.ion,stea.osis index(P=0.007)a.d expression of fa.ty a.id syntha.e(fa.)a.d delta.6 fa.ty a.yl desa.ura.e(d6fa.)(P=0.001 a.d P=0.001,respectively)in the liver compa.ed with fish fed the LC/hP ***,the ma.or impa.t of feeding a.ca.bohydra.e-rich diet to a.la.tic sa.mon in beta.diversity of dista. intestine digesta.microbiota.wa. observed a. week 4(hC/LP vs MC/MP a.d hC/LP vs LC/hP;P=0.007 a.d P=0.008,respectively)a.d week 8(hC/LP vs MC/MP;P=0.04),no differences between experimenta. groups were detected a.ter 12 weeks of ***,a. the end of the tria.,there wa. a.nega.ive correla.ion between la.tic a.id ba.teria.La.)members,including Leuconostoc a.d La.toba.il

关键词： Microbiota Microbiome a.la.tic sa.mon Stea.osis La.tic a.id ba.teria Probiotics

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