Toxine fusarium - Traducere "Fusarium" în germană

Toxine fusarium, INCDA Fundulea

Bratianu, nr. B-dul Mamaia,nr. Stela Zamfirescu Aria tematică : 2. Alimentatie, agricultura si biotehnologii: 2.

Rezumatul propunerii: Cercetarile toxine fusarium vor fi efectuate in cadrul acestui proiect, urmaresc  in primul rand obtinerea unor mutante rezistente de Triticale Triticosecale Wittmack si  lucerna Medicago sativa L. In acest fel, se are in vedere imbunatatirea intr-un timp relativ scurt, a calitatii si sigurantei chimice si microbiologice a furajelor cu implicatii asupra intregului lant alimentar si asupra trasabilitatii acestuia.

In paralel, vor fi efectuate studii aprofundate in vederea evidentierii modificarilor produse de toxina patogenului la nivelul toxine fusarium biochimic, hematologic si ultrastructural la sobolani alimentati cu lapte si carne, alimente provenite de la oi si capre hranite in exclusivitate cu furaje infestate triticale si lucernain vederea producerii de anticorpi monoclonali pentru detectarea infectiilor cu Fusarium sp. Astfel, intr-o prima etapa, vor fi efectuate studii privind unele componenete ale mecanismelor  defensive la genotipuri de triticale si lucerna prezenta chitinazei in radacinile si tulpinile plantelor infectate in vivo, cu filtrat de F.

Concomitent, se vor efectua lucrari de testare in vederea selectiei genotipurilor in ceea ce priveste pretabilitatea la cultura in vitro. Genotipurile cu raspuns foarte bun capacitate de calusare si regenerare caracterizate si prin insusiri agronomice superioare vor fi utilizate atat pentru studiile efectuate in vitro, cat si pentru infiintarea bazei furajere, care sa asigure hranirea  unui esantion de oi si capre, pe tot parcursul experimentului. Genotipurile selectionate vor fi introduse intr-un ciclu riguros de testare toxine fusarium selectie in vitro, in prezenta micotoxinelor deoxynivalenol DON si  acid fusaric toxinele predominante ale speciilor de Fusarium luate in studiu in mediile de cultura.

Pe parcursul experimentului vor fi efectuate studii aprofundate cu privire la: i influenta micotoxinei asupra celulelor vegetale testate in vitro in prezenta acidului fusaric determinari ale continutului in clorofila, a suprafetei foliare, continutul in prolina, studiul izoenzimelor specifice genotipurilor de la care   s-a pornit experimentul si a celor obtinute in vitro sub influenta stresului indus de prezenta in mediile de cultura a micotoxinelor si al filtratelor de cultura.

Rezultatele estimate in urma proiectului sunt pe de o parte, obtinerea unor genotipuri de triticale si lucerna intr-un toxine fusarium relativ scurt cu rezistenta sporita la atacul de Fusarium graminearum si Fusarium oxysporum, care vor asigura obtinerea de furaj de calitate, liber de toxine plante pentru viitor   iar pe de alta parte, rezultate stiintifice bine fundamentate privind posibilitatile de izolare a micotoxinelor si de limitare a influentei acestora asupra intregului lant trofic: planta infectata-animal furajat cu furajul infectat-animal hranit sobolani cu laptele si derivatele sale provenit de la animalele furajate exclusiv cu furaj infestat.

Vor fi elucidate aspecte legate de timpul de metabolizare a acidului fusaric la nivel de planta, produs animalier si organismul animalului de laborator in vederea producerii de anticorpi monoclonali pentru detectarea infectiilor cu Fusarium sp.

Elaborarea unor metodologii de testare si selectie, cu randament ridicat al capacitatii de regenerare parametru deficitar la culturile in vitro.

Toxine fusarium

Identificarea unei metode eficiente de obtinere a izolatelor toxigene si a filtratelor de Fusarium sp. Identificarea modificarilor survenite la plante regenerate pe medii suplimentate cu filtrate de Fusarium sp.

Identificarea modificarilor biochimice, hematologice si ultrastructurale la animalele hranite toxine fusarium furaje infestate cu Fusarium sp. Elaborarea unei metode  paraclinice pentru stabilirea nivelului de toxine din ser si lapte.

Identificarea modificarilor produse de micotoxinele patogenului Fusarium sp. Identificarea efectelor micotoxinelor patogenului Fusarium sp. Elaborarea unui test imunologic pentru diagnosticarea la om a intoxicatiilor produse de micotoxine.

Este timpul să vorbim din nou despre Fusarium graminearum. Controlul fitosanitar efectuat astăzi 15 iunie la mai multe soiuri de grâu arată prezența infecției la spice cu frecvențe și intensități mari de atac. Bineînțeles, vorbim de soiurile cu sensibilitate mare la patogen și condiții de neefectuare a tratamentelor fitosanitare. Însă, și în culturile tratate frecvența atacului este îngrijorător de mare.

Titulescu 1,Funduleatel. Florentina Răducanu; tina ricic.

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Dorina Nadolu Partner 2. Stela Zamfirescu Short presentation of the project Thematic area :   2. Food, agriculure and biotechologies 2. The research performed by this project has as aim firstly the obtainment of some resistant somaclonal mutants of Triticale Triticosecale Wittmack and alfalfa Medicago sativa against toxigenic pathogens Fusarium oxysporum and Fusarium graminearum, by using non-conventional methods and techniques.

In this respect, we have in view the improvement, in relatively short time, of quality and chemical and microbiological safe of fodders with implications on whole food chain and its trasability.

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Paralerly, it were performed some studies with a view to emphasize the modifications produced by pathogen toxin at bio-chemical, hematological and ultrastructural level in rats fed with milk and meat from goats and sheep exclusively fed with infected fodders triticale and alfalfato produce monoclonal anticorps to detect infections with Fusarium sp. Thus, in the first stage, were performed studies regarding some compounds of defensive mechanisms of some triticale and alfalfa toxine fusarium presence of chitinase in roots and stems of plants infected in vivo with F.

Concomitantly, testings to select genotypes, as pretability to in vitro culture were performed. The genotypes with very good answer callusing and regeneration ability and with superior agronomical to both in vitro studies and forage crop establishment which must ensure feeding of a goat and sheep sample during experiment were used.

The selected genotypes were introduced in a testing and selection in vitro cycle, in presence of mycotoxin culture media such as deoxynivalenol DON and fusaric acid AF. Were performed profound studies regarding: i micotoxin influence on vegetable cells tested in vitro in presence of fusaric acid determinations of chlorophyll content, foliar area, proline content, izoenzymes specific to starting genotypes and those obtained in vitro under influence of stress induced by presence of mycotoxins into culture media and culture filtrates.

The results are: obtainment, in relatively short time, of 15 triticale and 32 alfalfa cultivars with increased resistance to Fusarium graminearum and Fusarium oxysporum attack, which toxine fusarium ensure qualitatively fodder obtaining, free of toxins plants for futureand on the other hand, good scientific results regarding the isolation of mycotoxins and limitation of their influence on whole trophic chain: infected plant-animal fed with infected fodder toxine fusarium fed with milk and its derivates from rats.

Aspects regarding the metabolization of fusaric toxine fusarium at plant level, animal product and rat organism will be elucidated with a view to produce monoclonal antibodies to detect infections with Fusarium sp.

Proiecte de cercetare

Elaboration of some selection and testing methodologies, with high output of regeneration ability deficitary parameter at in vitro cultures Identification of some efficient methods to obtain toxigenic isolates and filtrates of Fusarium sp. Identification of modification occur in regenerated plants on media supplemented with Fusarium sp.

Identification of bio-chemical, hematological and ultrastructural modifications at animals fed with fodders infected with Fusarium sp. Elaboration of a paraclinical method to establish toxin level. Identification of modifications produced by mycotoxins of Fusarium sp. Identification of mycotoxin effects in Fusarium sp. Elaboration of imunological test for intoxication diagnosis at humans.

Elaboration of an efficient method to obtain Fusarium graminearum and Fusarium oxysporum isolates, to obtain necessary filtrates for fodder treatment and supplementing of culture media. Obtainment of Toxine fusarium generation.

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Determination of bio-chemical profile by spectophotometric method at rat blood. Organization and acquisition of animals and endowment of experimental sample. Forage crop establishment. Realization of animal feeding with ratios treated with mycotoxins; identification of modifications induced by mycotoxins of Fusarium sp.

Dissemination of results website, folders, symposium, conferences, workshops. Identification of some physiological modifications at animals fed with products infected with Fusarium sp.

Identification of Fusarium mycotoxins effects on reproduction.

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Elaboration of a paraclinical method to establish toxin level into body of animals fed with infected milk and meat. Elaboration of immunological test to diagnosis mycotoxin infections in humans.

Result dissemination will take place by website, folders, CD, symposium, workshops. The identification of the clinical picture and the elaboration of para-clinical toxine fusarium in order to establish the level of toxins in the serum and milk from the animals fed with contaminated forage.

Pagube însemnate la producția de grâu din această vară

The identification of modifications caused by the Fusarium sp. The identification of the effects of Fusarium sp. The most important mycotoxins are Ochratoxin A. In order to establish the pathogenity of Fusarium mycotoxins, researches were done on lactating goats who were given a solution containing fusaric acid in known concentration of 0.

Luând în considerare neconcordanțele dintre nivelurile autorizate în statele membre și riscul de denaturare a concurenței care poate rezulta în consecință, este necesar să se adopte măsuri comunitare care să garanteze unitatea pieței și care să fie conforme cu principiul proporționalității.

Thus, a deterioration of the health was observed in the goat which had been given 0. Also, the hematological profile was established there were observed modifications of the erythrocyte and leukocyte series, which indicates anemia as well as the biochemical profile the rise of values for enzymes specific to the liver function AST, ALT and FA, as well as the modification of the De Ritis ratio, indicate a state of toxicosis.

The morphopathological exam indicated meningeal micro-hemorrhages, splenomegaly with hemorrhagic infiltration, the distention of the gall bladder and bile retention. In what regards the effect of the toxine fusarium obtained from wheat contaminated with In conclusion, the oral administration per toxine fusarium has more obvious symptomatic toxine fusarium.

In order to establish the effect of the Fusarium toxins on reproduction and semen indexes, respectively, the contaminated wheat was administered in different doses. In what regards the influence of mycotoxins on the biochemical parameters of milk, there were no variations between the witness and experimental groups in goats and sheep, except the fat percentage, which registered a slight drop. The results demonstrate that even though there are many toxic trichothecenes, they are dangerous for the organism only when they are absorbed in high quantities or over long periods of time.

În context internaţional, un accent deosebit ar putea fi pus pe dezvoltarea etapelor privind recunoaşterea şi depistarea bolilor într-o fază timpurie, la scară globală şi pe o mai bună promovare a abordărilor europene în materie de riscuri biologice. Organisme modificate genetic sau elemente genetice care conțin secvențede acid nucleic care pot codifica oricare din «toxinele» menționate în I. După perioada stabilită în partea B punctul 1 toxine fusarium prezentul capitol, dozarea biologică pe șoarece este utilizată doar în cursul monitorizării periodice a zonelor de producție și a zonelor de relocare în vederea detectării unor toxine marine noi sau necunoscute pe baza programelor de control naționale elaborate de statele membre.

Also, the transformation of trichothecenes in the digestive tract, especially in the rumen of ruminants, can modulate the qualitative and quantitative level of absorption and must be taken into account. The disadvantage of this method is generated by the interference of the glycolized products and of the metabolism products of mycotoxins, which makes this method semi-quantitative.

The absence of deoxynivalenol from the serum samples means toxine fusarium for the ingested DON concentration, it is either eliminated fast or transformed into toxine fusarium metabolism products. Zamfirescu Stela; Radu Marius; Schiopu Stelian: Cercetari privind influienta consumului de lucerna si triticale infestate cu Fusarium spp.

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Anghel Andreea; Coprean Dragomir; Sogorescu Elena: Studiul preliminary privind intoxicatia si transferul deoxinivalenolului din furaje in ser la ovine. A ses. Bella-Italia, mai Zamfirescu Stela; Nadolu Dorina: The morphostructural and physiological changes in rats and kids after acute intoxication with fusaric acid. Zamfirescu Stela; Topoleanu Irina; Nadolu Toxine fusarium Observation concerning hematological profile in goat after acute intoxication with fusaric acid.