Results 11 to 20 of about 99,423 (142)

Antifungal Activity of Juglans-regia-Mediated Silver Nanoparticles (AgNPs) against Aspergillus-ochraceus-Induced Toxicity in In Vitro and In Vivo Settings [PDF]

Journal of Functional Biomaterials, 2023
Aflatoxins produced by some species of Aspergillus are considered secondary toxic fungal by-products in feeds and food. Over the past few decades, many experts have focused on preventing the production of aflatoxins by Aspergillus ochraceus and also ...
Syeda Itrat Zahra Naqvi, Humera Kausar, Arooj Afzal, Mariam Hashim, Huma Mujahid, Maryam Javed, Christophe Hano, Sumaira Anjum   +7 more
doaj   +2 more sources

Action of Extracellular Proteases of Aspergillus flavus and Aspergillus ochraceus Micromycetes on Plasma Hemostasis Proteins [PDF]

Life, 2021
In this study, we investigated the properties of proteolytic enzymes of two species of Aspergillus, Aspergillus flavus 1 (with a high degree of pathogenicity) and Aspergillus ochraceus L-1 (a conditional pathogen), and their effects on various components
Alexander A. Osmolovskiy, Laura Schmidt, Anastasia V. Orekhova, Sergey K. Komarevtsev, Valeriana G. Kreyer, Sergey V. Shabunin, Nikolay S. Egorov   +6 more
doaj   +2 more sources

Antifungal Activity of Essential Oil Compounds (Geraniol and Citral) and Inhibitory Mechanisms on Grain Pathogens (Aspergillus flavus and Aspergillus ochraceus) [PDF]

Molecules, 2018
The grain contamination by Aspergillus spp. has been a serious issue. This study exhibited the excellent antifungal effects of the essential oil compounds (EOCs) geraniol and citral against common grain pathogens (A. flavus and A. ochraceus) in vitro and
Xi Tang, Ye-Lin Shao, Ya-Jie Tang, Wen-Wen Zhou   +3 more
doaj   +2 more sources

Carbon Catabolite Repression Gene AoCreA Regulates Morphological Development and Ochratoxin A Biosynthesis Responding to Carbon Sources in Aspergillus ochraceus [PDF]

Toxins, 2020
Carbon is one of the most important nutrients for the development and secondary metabolism in fungi. CreA is the major transcriptional factor mediating carbon catabolite repression, which is employed in the utilization of carbon sources.
Gang Wang, Yulong Wang, Bolei Yang, Chenxi Zhang, Haiyong Zhang, Fuguo Xing, Yang Liu   +6 more
doaj   +2 more sources

Obtenção de protoplastos do fungo filamentoso Aspergillus ochraceus Production of protoplasts from the filamentous fungus Aspergillus ochraceus [PDF]

Ciência Rural, 2008
A obtenção de protoplastos é uma ferramenta importante para a transformação genética de fungos. Neste trabalho foi estudada a influência de fatores como idade micelial, tipo e concentração de enzimas e estabilizadores osmóticos na produção de ...
Ana Paula Morais Martins Almeida, Eustáquio Souza Dias, Ricardo Tadeu Galvão Pereira, Rômulo César Clemente Toledo, Ludwig Heinrich Pfenning   +4 more
doaj   +2 more sources

Microbiological Assessment and Production of Ochratoxin A by Fungi Isolated from Brazilian Dry-Cured Loin (Socol) [PDF]

Foods
This study aimed to evaluate the microbiological quality of Brazilian dry-cured loin (Socol), as well as the presence of ochratoxin A (OTA) and its synthesis by the isolated Aspergillus ochraceus complex under different conditions (culture media ...
Felipe Coser Chow, Gustavo Lucas Costa Valente, Viviana Patrícia Fraga Santos, Mariana Rodrigues Wenzel, Kelly Moura Keller, Carla Ferreira Soares, Henrique César Pereira Figueiredo, Marcelo Resende Souza, Silvana de Vasconcelos Cançado, Tadeu Chaves Figueiredo   +9 more
doaj   +2 more sources

Cytotoxic Potential of Marine-Derived Fungi Isolated from Sponges and Brown Algae of Mauritius [PDF]

Marine Drugs
Marine fungi associated with sponges and brown algae are promising sources of pharmacologically active compounds. This study investigated the cytotoxic potential and metabolomic profiles of fungal strains isolated from the marine environment of Mauritius.
Jessica Mélanie Wong Chin, Annaelle Hip Kam, Rajesh Jeewon, Abdulwahed Fahad Alrefaei, Teeshan Bahorun, Daneshwar Puchooa, Neil O. Carragher, Vidushi S. Neergheen   +7 more
doaj   +2 more sources

Ochratoxin A and Aspergillus spp. Contamination in Brown and Polished (White) Rice from Indian Markets [PDF]

Toxins
Rice is one of the most important staple foods for the human population, necessitating continuous monitoring for mycotoxin risk in particular in the sub-tropical area, such as India. In the present study, a total of eighty-one samples comprising brown (n
Sadaiappan Nandinidevi, Chandren Jayapradha, Dananjeyan Balachandar, Antonio F. Logrieco, Rethinasamy Velazhahan, Vaikuntavasan Paranidharan   +5 more
doaj   +2 more sources

Impact of environmental and plant factors on Aspergillus section Flavi isolated from maize in Italy [PDF]

, 2007
The exceptional hot weather conditions in Italy during the summer of 2003 resulted in an optimal environment for the development of Aspergillus section Flavi in maize and, consequently, for aflatoxin production.
Giorni, Paola
core   +7 more sources

Isolation, Diagnosis and Characterization of Aspergillus sp from Tea Bags Samples and Its Ability to Produce Ochratoxin A

Tikrit Journal for Agricultural Sciences, 2021
This study was carry out to investigate from the contamination of packed tea samples collected from different markets with Aspergillus species. The extent of contamination of these samples with Ochratoxin A (OTA) was examined by using ELISA and the ...
Firas abdul-kareem, Ahmed Ismail al-nazzal, Ali Ameen yaseen   +2 more
doaj   +1 more source