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Wyświetlanie 1-10 z 13
Tytuł:
Warunki rozwoju Aspergillus flavus i wytwarzania aflatoksyny B1 w majonezach
Conditions of development of A. flavus and production of aflatoxin B1 in mayonnaises
Autorzy:
Burzynska, H.
Powiązania:
https://bibliotekanauki.pl/articles/874953.pdf
Data publikacji:
1973
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
Aspergillus flavus
aflatoksyna B1
majonezy
warunki rozwoju
zywnosc
badania naukowe
Źródło:
Roczniki Państwowego Zakładu Higieny; 1973, 24, 1
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the presence of Aspergillus flavus in mastitis milk with PCR
Autorzy:
Sukru, K.
Ugur, P.
Ugur, A.
Tugba, Y.H.
Powiązania:
https://bibliotekanauki.pl/articles/2049754.pdf
Data publikacji:
2019
Wydawca:
Fundacja na Rzecz Młodych Naukowców
Tematy:
Aspergillus flavus
mastitis
milk sample
aflatoxin M1
ELISA test
polymerase chain reaction
A. flavus
Aflatoxin M1
mastitis milk
ELISA
PCR
Opis:
In this study, milk samples were taken in sterile 20 ml containers from 90 cows with clinical mastitis in various enterprises around Aydın province between May-September 2017. The presence of Aspergillus flavus M1 toxin in milk samples was investigated by ELISA. Aflatoxin M1 ELISA results were compared with positive controls with 0 ppt, 5 ppt, 15 ppt, 30 ppt, 60 ppt and 100 ppt. For the 88 samples examined; 5 ppt in 7 (8,0 %), 15 ppt in 12 (13,6 %), 100 ppt in 32 (36,4 %) and 0 ppt in 37 (42,0 %) aflatoxin M1 was detected. According to these results, 32 (36,4 %) AFM1 positivity was detected in the European Union countries over the limit (50 ppt) accepted for raw milk. In our study, DNA obtained from 88 mastitis milk samples examined with Aflatoxin M1 ELISA kit was subjected to Aspergillus flavus species specific PCR process. As a result of PCR; Aflatoxin M1 at a level of 0 ppt in 7 (36,8 %), 5 ppt in 1 (% 5,2), 15 ppt in 2 (10,5 %) and 100 ppt in 9 (47,5 %) ELISA kit toxin presence was determined. As a result, 32 samples of 100 ppt AFM1 positivity were detected by ELISA and 9 samples 100 ppt positivity was detected by PCR in our study. The results of the ELISA test revealed that more positive results were formed due to cross-reactions, and the PCR method with FLA gene primers was more reliable for diagnosis.
Źródło:
Environment, Earth and Ecology; 2019, 3, 1; 35-41
2543-9774
2451-4225
Pojawia się w:
Environment, Earth and Ecology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Volatile profiles and aflatoxin productionby toxigenic and non-toxigenic isolates of Aspergillus flavus grown on sterile and non-sterile cracked corn Anthony J.
Autorzy:
De Lucca, A.J.
Boue, S.M.
Carter-Wientjes, C.
Bhatnagar, D.
Powiązania:
https://bibliotekanauki.pl/articles/51065.pdf
Data publikacji:
2012
Wydawca:
Instytut Medycyny Wsi
Opis:
Aspergillus flavus is a saprophytic fungus which can grow on corn and produce aflatoxins which render it unsafe for consumption as food and feed. In this study, aflatoxin and non-aflatoxin producing isolates of A. flavus were grown separately on wet (20% water added), sterile or non-sterile cracked corn. Wet and dry cracked corn controls were included as needed. Secondary metabolic volatiles were identified and aflatoxin concentrations determined over a 12-day period. Volatiles unique to the toxigenic A. flavus isolates were determined by comparison with volatiles produced by the respective corn controls and the non-toxigenic A. flavus isolate. The number and identity of the volatiles produced by these A. flavus isolates varied by isolate, whether sterile or non-sterile corn was the substrate, and the sampling day. Overall, most of the volatiles were produced before day 8 after inoculation. Aflatoxin production was 10-fold lower on the sterile corn, compared to the nonsterile corn. Volatiles unique to the aflatoxin producing isolates were identified on both substrates after comparison with those produced by the non-aflatoxin producing isolate, as well as the corn control samples. Results indicate that several factors (substrate, fungal isolate, culture age) affect volatile and aflatoxin production by A. flavus.
Źródło:
Annals of Agricultural and Environmental Medicine; 2012, 19, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mapowanie mikologicznych zagrożeń środowiska z zastosowaniem GIS-u
Mapping of environmental mycologic hazards using GIS method
Autorzy:
Lonc, E.
Wieliczko, A.
Plewa, K.
Powiązania:
https://bibliotekanauki.pl/articles/2143566.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zagrozenia mikrobiologiczne
grzyby
fermy zwierzat
mapowanie
System Informacji Geograficznej
Aspergillus fumigatus
Aspergillus flavus
zagrozenia srodowiska
Opis:
Intensive poultry production is associated with extreme densities of birds crammed into industrial-scale hen houses. Consequently, the bird keepers are exposed to elevated concentrations of dust. Exposure to dust, containing pathogenic mycological agents, may cause exacerbate asthma, allergic alveolitis, as well as organic dust toxic syndrome. Geographic Information System (GIS) allows to view, understand, question, interpret, and visualize biological data, among them mycological threats. The aim of the presently reported study was to create the mycological database from the chicken farms and their visualization on the map of Lower Silesia, Poland. Field data for Aspergillus fumigatus, A. flavus, Candida sp. were collected in Wrocław laboratory in 2008. GIS database was formed using ArcView 9.2. computer software. The visualization data on the digital maps were analyzed for the Health and Safety Executive.
Źródło:
Wiadomości Parazytologiczne; 2009, 55, 4; 425-428
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effectiveness of the chemical stabilizers of Talaromyces flavus in biological control of tomato and greenhouse cucumber vascular wilt disease
Autorzy:
Bahramian, D.
Naraghi, L.
Heydari, A.
Powiązania:
https://bibliotekanauki.pl/articles/66448.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
effectiveness
chemical stabilizer
Talaromyces flavus
biological control
tomato
greenhouse
cucumber
vascular wilt
wilt disease
Fusarium oxysporum
Verticillium dahliae
Opis:
Fungal antagonist, Talaromyces flavus, is one of the most important biological agents of soil-borne fungal diseases including Verticillium and Fusarium wilt. In this study, to increase the effectiveness of T. flavus isolates obtained from greenhouse cucumbers and field grown tomatoes five chemical stabilizers were evaluated. Based on the results of previous studies, the most effective substrate for the growth, sporulation and stability of T. flavus isolates related to the above-mentioned plants was a mix of rice bran and peat-moss. Different chemical stabilizers were mixed with the above-mentioned substrate containing spore suspensions of various T. flavus isolates. For each plant, a completely randomized experiment was conducted under greenhouse conditions with seven treatments and three replications. The results of this study indicated that treatments containing sodium nitrate and D-cycloserine were more effective than those containing other stabilizers. The overall results of this study suggest that the use of some chemical stabilizers may enhance the biocontrol potential of fungal antagonists in controlling different plant diseases including Verticillium and Fusarium wilt.
Źródło:
Journal of Plant Protection Research; 2016, 56, 3
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The susceptibility of Aspergillus and Penicillium to recent antimycotics
Autorzy:
Macura, A.B.
Pawlik, B.
Szczepka, I.
Powiązania:
https://bibliotekanauki.pl/articles/838594.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Aspergillus fumigatus
Penicillium
susceptibility
Aspergillus flavus
fungi
Aspergillus
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ jonów metali na wzrost oraz akumulację Cd, Ni i Li w biomasie grzybni Aspergillus flavus Link
The effect of heavy metals on growth and uptake of Cd, Ni and Li ions by biomass of mycelium of Aspergillus flavus Link
Autorzy:
Barabasz, W.
Galus, A.
Opalinska-Piskosz, J.
Sepiol, J.
Tomasik, P.
Powiązania:
https://bibliotekanauki.pl/articles/796457.pdf
Data publikacji:
1997
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1997, 448a
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Volatile profiles of toxigenic and non-toxigenic Aspergillus flavus using SPME for solid phase extraction
Autorzy:
De, Lucca A J
Boue, S.M.
Carter-Wientjes, C.H.
Bland, J.M.
Bhatnagar, D.
Cleveland, T.E.
Powiązania:
https://bibliotekanauki.pl/articles/50286.pdf
Data publikacji:
2010
Wydawca:
Instytut Medycyny Wsi
Tematy:
Aspergillus flavus
toxigenic strain
non-toxigenic strain
secondary metabolite
aflatoxin
maize
volatile profile
solid-phase microextraction
solid-phase extraction
potato
isolate
Źródło:
Annals of Agricultural and Environmental Medicine; 2010, 17, 2; 301-308
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Timber degrading fungi in sawmills of Gujarat, India
Autorzy:
Nagadesi, P.K.
Arya, A.
Powiązania:
https://bibliotekanauki.pl/articles/11082.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
timber
degradation
fungi
sawmill
wood decay
Schizophyllum commune
Flavodon flavus
Daldinia concentrica
microorganism
Gujarat
India
forest cover
Opis:
Timer decay is caused by primarily enzymatic activities of microorganisms. For the first time fungal diversity of timber degrading fungi was studied in Gujarat, India. Timber Degrading Fungi belonging to Aphyllophorales are economically important as many of these cause serious damage in sawmills of Gujarat. To find out the association of the timber degrading fungi and timber decay problems in sawmills a survey was conducted during 2007 to 2011 in different sawmills of 5 districts of Gujarat i.e. Vadodara, Ahmedabad, Bharuch, Rajkot and Jamnagar. In the present study teak wood present in sawmills was infected with 14 types of fungi in which Lenzites sterioides and Trametes versicolor damaged the wood severely was reported for the first time. In all 94 sawmills were surveyed, the 28 sawmills were from Vadodara, 29 from Ahmedabad, 12 from Bharuch, 21 from Rajkot and 4 from Jamnagar. Out of 94 sawmills survyed, 84 sawmills were having timber rotting fungi associated with wood. Maximum fifteen and thirteen fungal species were observed in saw mills of Chhani road, followed by 11 in Station road, 7 in Dhabhoi road and 6 in Harni, Vadodara. Fours woods uninfected are Beyo, Marinty, Ash, and Arjun. Fourteen different types of fungi were found associated with teak, followed by seven in pinus, madhuca, Acacia nilotica, six in babul, neem, four in tamarind, Pithacoelobium and three in mango, Eucalyptus, African Mahagoni, Kapoor, Peltophoram rouxburghii, Derris pinnata wood respectively. The commonly observed timber decaying fungi were Schizophyllum commune, Flavodon flavus and Ganoderma lucidum belonging to Basidiomycota. Ascomycota members included was Daldinia concentrica and Xylaria polymorpha.
Źródło:
International Letters of Natural Sciences; 2014, 02
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fungal colonisation of tracheotomy tubes in patients diagnosed with larynx cancer
Autorzy:
Gniadek, A.
Krzysciak, P.
Hawryszuk, A.
Wojcikowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/6408.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fungal colonization
fungi
Aspergillus fumigatus
Aspergillus flavus
Candida albicans
tracheotomy
tube
risk factor
patient
larynx cancer
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 13

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