300 research outputs found
Sex Ratio Analysis of Some Macrolepidoptera Species Collected by Hungarian Forestry Light Traps
FordĂtások statisztikai alapĂş minĹ‘sĂ©gvizsgálata tartalomelemzĂ©ssel
A tanulmány egy olyan eljárást mutat be, amely egy olasz szöveg magyar fordĂtásának statisztikai jellemzit vizsgálva igyekszik olyan általános statisztikai összefĂĽggĂ©sek bemutatására, amellyel meghatározott tĂpusĂş szövegekben, a statisztikai jellemzk alapján, kiszrhetk a hibás fordĂtást tartalmazĂł szövegrĂ©szek, illetve bizonyos tĂpusĂş hibák. Az eljárás során az olasz szöveget meghatározott mĂ©ret szövegrĂ©szekre bontjuk, amelyeket azok magyar fordĂtásával vetĂĽnk össze, a szövegrĂ©szek statisztikája alapján. Azt feltĂ©telezzĂĽk, hogy az eljárás az olaszon kĂvĂĽl más nyelvre is alkalmazhatĂł, azzal a megkötĂ©ssel, hogy a vizsgált statisztikai paramĂ©terek eltĂ©rĂ©sĂ©nek általános szabályait az adott nyelvre is ki kell dolgozni
Light-trap catch of cotton bollworm, Helicoverpa armigera in connection with the moon phases and geomagnetic H-index
A sárga pigment tartalommal összefĂĽggĹ‘ molekuláris markerek azonosĂtása Ĺ‘szi durum bĂşzában (Triticum durum Desf.) = Identification of molecular markers linked to yellow pigment content in winter durum wheat (Triticum durum Desf.)
A nagy sárgapigment-tartalom a durum bĂşza egyik legĂ©rtĂ©kesebb beltartalmi tulajdonsága. A pályázat idĹ‘tartama alatt cĂ©lunk az Ĺ‘szi durum bĂşza sárga pigment tartalmával összefĂĽggĹ‘ molekuláris markerek azonosĂtása volt. A sárgapigment-tartalommal szorosan korrelálĂł sárgaindex alapján eltĂ©rĹ‘ szĂĽlĹ‘kkel utĂłdpopuláciĂłt hoztunk lĂ©tre, melybĹ‘l a pályázat idĹ‘tartama alatt 98 kiegyenlĂtett törzset alakĂtottunk ki. Ezek, valamint a szĂĽlĹ‘k DNS-Ă©t felhasználva, "bulk" szegregáns analĂzissel a sárgaindex tartalommal összefĂĽggĹ‘ molekuláris markereket azonosĂtottunk, melyhez 520 RAPD primert használtunk. Munkánk során 5 primerrel 9 polimorf markert azonosĂtottunk. KorreláciĂłanalĂzissel megállapĂtottuk a markerek Ă©s a kĂ©t Ă©vben mĂ©rt sárgaindex átlagok kapcsoltságát. A determináciĂłs koefficiens Ă©rtĂ©ke 0 Ă©s 13% között volt, legszorosabb kapcsoltságot az OPA16-800 markerrel számĂtottuk. Többszörös regressziĂłval mind a 9 markert figyelembe vĂ©ve R2=0,4205, a 4 szignifikáns markerrel R2=0,3773 volt a többszörös determináciĂłs koefficiens Ă©rtĂ©ke. Diszkriminancia analĂzissel ellenĹ‘riztĂĽk, hogy a sárgaindex alapján elvĂ©gzett csoportosĂtást mennyire támasztják alá a marker adatok. Mind a 9 markert használva a törzsek 80%-ának csoportba sorolása helyesnek bizonyult. NĂ©gy markerrel ugyanez az Ă©rtĂ©k 77% volt, azonban az elemzĂ©s a kis sárgaindexű törzsek 93,47%-ának besorolását alátámasztotta, Ăgy e 4 markerrel a rossz technolĂłgiai minĹ‘sĂ©gű törzsek nagy valĂłszĂnűsĂ©ggel azonosĂthatĂłk. | High yellow pigment content is one of the most valuable chemical traits of durum wheat. The aim of the project was to identify molecular markers linked to the yellow pigment content of winter durum wheat. A progeny population was created from parents differing for the yellow index and 98 advanced lines were developed during the course of the project. Bulk segregant analysis was carried out on the DNA of these lines and on the parental partners using 520 RAPD primers in order to identify molecular markers linked to the yellow index. Nine polymorphic markers were detected using five primers. Correlation analysis was used to determine linkage between the markers and the yellow index (mean of two years). The value of the coefficient of determination ranged from 0 to 13%, the closest linkage being calculated for marker OPA16-800. When multiple regression involved all nine markers the coefficient of multiple determination had a value of R2 = 0.4205, while this value was R2 = 0.3773 for the four significant markers. Discriminant analysis was used to check whether the marker data confirmed the groupings based on yellow index. When all nine markers were used the grouping of 80 % of the lines proved to be correct, while this figure was 77 % for the four markers. However, this latter analysis confirmed the grouping of 93.47 % of lines with low yellow index, suggesting that these four markers could be used with high accuracy to identify lines with poor technological quality
Transgenic fat-1 mouse as a model to study the pathophysiology of cardiovascular, neurological and psychiatric disorders
Polyunsaturated fatty acids (PUFAs) form an important constituent of all the cell membranes in the body. PUFAs such as arachidonic acid (AA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) form precursors to both pro-inflammatory and anti-inflammatory compounds. Low-grade systemic inflammation occurs in clinical conditions such as insulin resistance, hypertension, type 2 diabetes mellitus, atherosclerosis, coronary heart disease, lupus, schizophrenia, Alzheimer's disease, and other dementias, cancer and non-alcoholic fatty liver disease (NAFLD) that are also characterized by an alteration in the metabolism of essential fatty acids in the form of excess production of pro-inflammatory eicosanoids and possibly, decreased synthesis and release of anti-inflammatory lipoxins, resolvins, protectins and maresins. We propose that low-grade systemic inflammation observed in these clinical conditions is due to an imbalance in the metabolism of essential fatty acids that is more in favour of pro-inflammatory molecules. In this context, transgenic fat-1 mouse that is designed to convert n-6 to n-3 fatty acids could form an ideal model to study the altered metabolism of essential fatty acids in the above mentioned conditions. It is envisaged that low-grade systemic inflammatory conditions are much less likely in the fat-1 mouse and/or these diseases will run a relatively mild course. Identifying the anti-inflammatory compounds from n-3 fatty acids that suppress low-grade systemic inflammatory conditions and understanding their mechanism(s) of action may lead to newer therapeutic strategies
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