Yazar "Ökmen, Gülten" için Biyoloji Bölümü Koleksiyonu listeleme
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THE ANTIBACTERIAL ACTIVITIES OF SYZYGIUM AROMATICUM (L.) MERR. & PERRY AGAINST ORAL BACTERIA AND ITS ANTIOXIDANT AND ANTIMUTAGENIC ACTIVITIES
Ökmen, Gülten; Mammadhkanlı, Mahabbat; Vurkun, Mustafa (Int Journal Pharmaceutical Sciences & Research, 2018)Plants are an important source of substances which are claimed to induce biological activities. Although there are a few studies on antimicrobial and antioxidant activities of this plant, antimutagenic activity has not ... -
ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF VITEX AGNUS-CASTUS L. AGAINST MASTITIS PATHOGENS
Balpınar, Neslihan; Ökmen, Gülten; Vurkun, Mustafa (Parlar Scientific Publications (P S P), 2019)It is now widely reported that mastitis agents have developed resistance to antibiotics, due to the widespread use of antibiotics. In total, seven mastitis-causing bacteria were used in the study two are Staphylococcus ... -
The Antimicrobial Activity of Citrus limon L. against Foodborne Pathogens and Its Anti-Oxidant and Antibiofilm Properties
Ökmen, Gülten; Arslan, Kadri; Tekin, Rojbin Ceylan (AYURVEDA SAHITI PRABHA, 2021)The objective of this study is to develop a new and effective antibacterial agent against food pathogens that poses a major threat to human health and to investigate the antioxidant activity of this plant. Methanol, ethanol, ... -
Biological activities and chemical composition of Senecio vernalis growing in the lakes region of Turkey
Balpınar, N.; Ökmen, Gülten (Springer, 2019)Senecio vernalis Waldst. et Kit. is an annual herbaceous plant that has phytotherapeutical importance. Its aerial parts have been extensively used for healing wounds in traditional medicine. In this study, S. vernalis ... -
THE BIOLOGICAL ACTIVITIES OF HYPERICUM PERFORATUM L.
Ökmen, Gülten; Balpınar, Neslihan (African Networks Ethnomedicines, 2017)Background: Mastitis reduces milk yield and alters milk composition. Antibiotics are widely used in the treatment of the disease. However, this widespread use of antibiotics causes both antibiotic residues in milks and ... -
THE BIOLOGICAL ACTIVITIES OF MOLTKIA AUREA BOISS., AN ENDEMIC SPECIES TO TURKEY
Balpınar, Neslihan; Ökmen, Gülten (2017)BACKGROUND: Staphylococcus aureus is the direct reason of mastitis. Mastitis is a disease characterized by pathological changes in mammary glands as well as physical, chemical, bacteriological changes in milk. This disease ... -
BIOLOGICAL ACTIVITIES OF URGINEA MARITIMA L. BAKER
Ökmen, Gülten (Parlar Scientific Publications (P S P), 2020)Food-spoilage pathogens threaten human health. Moreover, these pathogens are resistant to antibiotics. Scientists are in search of a new path against these pathogens. In this study, biological activities of plant known as ... -
DETERMINATION OF ACC DEAMINASE, NITROGENASE AND ANTAGONISTIC ACTIVITIES OF GRAM NEGATIVE BACTERIA ISOLATED FROM WHEAT FIELDS AND THEIR SALT TOLERANCE
Kardaş, Şükran; Ökmen, Gülten (Parlar Scientific Publications (P S P), 2020)1-aminocyclopropane-1-carboxyl ate (ACC) deaminase activity is an important marker for bacteria to support plant growth by lowering ethylene levels in plants. The enzyme has been found in limited numbers of bacteria and ... -
The effects of environmental conditions on growths of halophilic archaea isolated from Lake Tuz
Ökmen, Gülten; Arslan, Alper (Springer, 2019)Recent studies indicate that the microbial ecosystem is not limited to specific areas but may also be found in extreme temperature, extreme salt, extreme pH, extreme pressure, etc. Haloarchaea enzymes are very resistant ... -
EXAMINATION OF QUORUM-SENSING RESPONSES OF BIOCIDE-RESISTANT BIOFILM BACTERIA ISOLATED FROM A WASTEWATER TREATMENT SYSTEM IN INDUSTRIAL ENVIRONMENT
Güvensen, Nur Ceyhan; Uğur, Aysel; Ökmen, Gülten (Parlar Scientific Publications (P S P), 2017)Bacteria attaching surfaces contacting water reproduce in n the matrix they produce and form a slime layer called biofilm. Increased antimicrobial resistance of bacteria forming biofilm is thought to result from quorum ... -
Investigation of Pomegranate ( Punica granatum L.) Flowers' Antioxidant Properties and Antibacterial Activities against Different Staphylococcus Species Associated with Bovine Mastitis
Ökmen, Gülten; Giannetto, Daniela; Fazio, Francesco; Arslan, Kutbettin (MDPI, 2023)Mastitis is one of the most considerable and costly diseases for dairy herds, and Staphylococcus spp. is known to be the main causative agent. Although antibiotics are widely used in the treatment of mastitis, this can ... -
Isolation of soil Streptomyces as source antibiotics active against antibiotic-resistant bacteria
Ceylan, Özgür; Ökmen, Gülten; Uğur, Aysel (2008)Bu calismanin amaci toprakta yaygin olarak bulunan ve antibiyotik ureticileri olarak bilinen Streptomyces'lerin in vitro antimikrobiyal aktiviteleridir. Turkiye, Mugla'daki farkli alanlardan Streptomyces izolatlari, coklu ... -
Işık şiddetinin çeltik tarlalarından izole edilen siyanobakterilerde üremeye ve nitrojenaz aktivitesine etkisi
Ökmen, Gülten; Dönmez, Gönül (2007)Örnekler, Çorum-Osmancık bölgesindeki çeltik alanlarından toplanmıştır. Azot fikse eden siyanobakterilerin izolasyonunda, azot içermeyen BG-II besiyeri kullanılmıştır. Cins düzeyinde tanımlanan siyanobakterilerin nitrojenaz ...