Doğan, İlhan
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Dogan, I
Doğan, İ.
Dogan, Ilhan
Doğan, İ
Dogan, I.
Doğan, İ.
Dogan, Ilhan
Doğan, İ
Dogan, I.
Job Title
Email Address
ilhandogan@iyte.edu.tr
Main Affiliation
04.03. Department of Molecular Biology and Genetics
Status
Former Staff
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WoS Researcher ID
Sustainable Development Goals
1NO POVERTY
0
Research Products
2ZERO HUNGER
2
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3GOOD HEALTH AND WELL-BEING
0
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4QUALITY EDUCATION
0
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5GENDER EQUALITY
0
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6CLEAN WATER AND SANITATION
2
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7AFFORDABLE AND CLEAN ENERGY
2
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8DECENT WORK AND ECONOMIC GROWTH
1
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
2
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10REDUCED INEQUALITIES
0
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11SUSTAINABLE CITIES AND COMMUNITIES
0
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
2
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13CLIMATE ACTION
3
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14LIFE BELOW WATER
3
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15LIFE ON LAND
2
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
0
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17PARTNERSHIPS FOR THE GOALS
0
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Documents
31
Citations
605
h-index
14
This researcher does not have a WoS ID.
Scholarly Output
23
Articles
19
Views / Downloads
26235/11620
Supervised MSc Theses
0
Supervised PhD Theses
0
WoS Citation Count
214
Scopus Citation Count
292
Patents
0
Projects
0
WoS Citations per Publication
9.30
Scopus Citations per Publication
12.70
Open Access Source
20
Supervised Theses
0
| Journal | Count |
|---|---|
| Pakistan Journal of Botany | 4 |
| Biotechnology and Biotechnological Equipment | 3 |
| Fresenius Environmental Bulletin | 3 |
| Sains Malaysiana | 2 |
| 13th International Conference on Environmental Science and Technology | 2 |
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23 results
Scholarly Output Search Results
Now showing 1 - 10 of 23
Article Citation - WoS: 22Citation - Scopus: 25Influence of Aluminum on Mineral Nutrient Uptake and Accumulation in Urtica Pilulifera L.(Taylor and Francis Ltd., 2014) Doğan, İlhan; Özyiğit, İbrahim İlker; Demir, GökselPollutants can have detrimental effects on living organisms. They can cause toxicity, damaging cells, tissues and organs because of their high concentrations or activities. Plants provide a useful system for screening and monitoring environmental pollutants. Among pollutants, aluminum is considered as a primary growth limiting factor for plants resulting in decreased plant growth and development. Although considered to be a non-essential and highly toxic metal ion for growth and development, aluminum (Al) is easily absorbed by plants. Urticaceae family members have high nutrient requirements demonstrated by leaves containing high levels of calcium (Ca), iron (Fe), magnesium (Mg), and nitrogen (N). Urtica pilulifera is one of the important traditional medicinal plants in Turkey. In this study, U. pilulifera was used as a bioindicator to investigate the possible differences in the absorption and accumulation of mineral nutrients at different levels of the Al exposure and examine the mineral nutrition composition of U. pilulifera under Al stress. Also, some growth parameters (leaf-stem fresh and dry weights, root dry weights, stem lengths and leaf surface area) were investigated. U. pilulifera seedlings were grown for two months in growth-room conditions and watered with spiked Hoagland solution, which contained 0, 100, and 200 μM aluminium chloride (AlCl3). It was observed that macro- and micro-nutritional status of roots and leaves was altered by Al exposure. The concentrations of some macro- and micronutrients were reduced while concentrations of others were increased by excess of Al. Some macro- and micronutrients were increased at low level of Al whereas reductions were observed at high level of Al, and vice versa. The patterns were dependent on the macro- or micronutrient and the plant part.Article Citation - WoS: 6Citation - Scopus: 7Mineral Nutrient Acquisition by Cotton Cultivars Grown Under Salt Stress(Taylor and Francis Ltd., 2017) Özyiğit, İbrahim İlker; Doğan, İlhan; Demir, Göksel; Yalçın, İbrahim ErtuğrulPhysiological responses were investigated in two cotton cultivars grown at various concentrations of sodium chloride (NaCl) in order to determine the degree of the tolerance of the cultivars to salt stress and understand the physiological responses with respect to utilization of mineral nutrients. After germination of the seeds of cotton cultivars, they were transferred into standard pots with 210 g sterilized compost and watered with 30 ml Hoagland’s solution containing different concentrations (0, 50, 100, 200, and 400 mM) of NaCl at two-day intervals for 3 months. Growth parameters were measured and the mineral nutrient analyses were done using inductively coupled plasma optical emission spectrometry (ICP-OES, Thermo Fisher Scientific, Waltman, MA). It was observed that plant growth and mineral nutritional status of both cultivars were altered extensively in those grown with NaCl. Excess NaCl reduces the concentrations of certain mineral nutrients and increases that of others, the patterns depending on the mineral nutrient and the plant part and varieties being compared to the control.Article Citation - WoS: 36Citation - Scopus: 46Expression of Vitreoscilla Hemoglobin in Gordonia Amarae Enhances Biosurfactant Production(Springer Verlag, 2006) Doğan, İlhan; Pagilla, Krishna R.; Webster, Dale A.; Stark, Benjamin C.The gene (vgb) encoding Vitreoscilla (bacterial) hemoglobin (VHb) was electroporated into Gordonia amarae, where it was stably maintained, and expressed at about 4 nmol VHb g -1 of cells. The maximum cell mass (OD 600) of vgb-bearing G. amarae was greater than that of untransformed G. amarae for a variety of media and aeration conditions (2.8-fold under normal aeration and 3.4-fold under limited aeration in rich medium, and 3.5-fold under normal aeration and 3.2-fold under limited aeration in mineral salts medium). The maximum level of trehalose lipid from cultures grown in rich medium plus hexadecane was also increased for the recombinant strain, by 4.0-fold in broth and 1.8-fold in cells under normal aeration and 2.1-fold in broth and 1.4-fold in cells under limited aeration. Maximum overall biosurfactant production was also increased in the engineered strain, by 1.4-fold and 2.4-fold for limited and normal aeration, respectively. The engineered strain may be an improved source for producing purified biosurfactant or an aid to microorganisms bioremediating sparingly soluble contaminants in situ.Conference Object Determination of Metal Deposition and Its Effects on Mineral Nutrient Uptake Status of Pinus Brutia Ten. for Assessment of Pollution Impact in Its Habitat-Istanbul(Global Nest, 2013) Yalçın, İbrahim Ertuğrul; Demir, Göksel; Özyiğit, İbrahim İlker; Doğan, İlhan; Yarcı, CelalPinus brutia Ten. (Turkish red pine) is a widespread evergreen tree in the Mediterranean and Aegean regions of Turkey. In this study, leaf (washed and unwashed) and bark samples of Turkish red pine and its co-located soil samples were examined for the assessment of the impact of heavy metal pollution on mineral nutrient status of the plant. The samples were collected from 5 different localities; 4 from the Bosporus region and one from Prince Island (control) in 2012 vegetation period. The standard procedures were used and the determinations of heavy metals and nutrient elements (Al, B, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb and Zn) in all samples were done using Inductively Coupled Plasma Optic Emission Spectroscopy (ICP-OES). Additionally, PM2.5 and PM10 profiles of the study area were investigated. According to our measurements, the lowest and highest heavy metal accumulations and the amount of mineral nutrients (mg/kg d. wt) were varied between 28.420-115.809 and 4191.285-5776.910 for Al, 1.308-11.432 and 9.318-15.803 for B, 1604.497-9312.622 and 2457.361-4817.899 for Ca, 0.307-1.587 and 0.803-1.890 for Cd, 0.064-0.579 and 3.860-6.731 for Co, 0.853-5.445 and 12.472-22.761 for Cr, 2.063-11.292 and 8.304-24.193 for Cu, 158.090-242.056 and 4733.993-5727.813 for Fe, 88.021-4312.240 and 1231.649-1931.372 for K, 98.325-850.764 and 2668.299-4489.028 for Mg, 3.752-9.764 and 143.698-278.108 for Mn, 45.716-1315.764 and 91.225-116.795 for Na, 0.889-7.746 and 7.437-15.750 for Ni, 3.917-14.341 and 31.122-71.762 for Pb and 10.268-35.844 and 43.746-122.258 for Zn in the plant parts and soil samples, respectively. The mass concentrations of fine (PM2.5) and coarse (PM10) mode aerosols varied from 11 to 27 and 37 to 68 mu g/m(3) at study area, respectively. The data revealed that P. brutia is capable of accumulating considerable amounts of metals and mineral nutrient uptake pattern was not altered extensively because of metal deposition in the plant showing relatively less contamination risk in the area. Finally, it was proven that P. brutia is a suitable organism to be used as a biomonitoring tool for conducting research on heavy metal pollution.Article Citation - WoS: 12Citation - Scopus: 15Mineral Element Distribution of Cotton (gossypium Hirsutum L.) Seedlings Under Different Salinity Levels(Pakistan Botanical Society, 2012) Doğan, İlhan; Özyiğit, İbrahim İlker; Demir, GökselCotton (Gossypium hirsutum L.) is the world's leading natural fiber and second largest oilseed crop. In addition to textile manufacturing, cotton and cotton-by products are the sources of wealth of consumer based products, livestock feed, fertilizer, foodstuff and paper. High concentrations of NaCl in soils account for large decreases in the yield of a wide variety of crops all over the world. The present study was conducted to evaluate NaCl stress on mineral nutrient composition of cotton due to its economic importance. Cotton seeds were germinated in Magenta vessels containing Murshige and Skoog (MS) media for 15 days and then transferred in sterile jars containing MS exposed to different levels of NaCl (50, 100, 200 and 400 mM) treatments for 1 month. Uptake of some mineral nutrients (B, Ca, Fe, K, Mg, Mn, Na and Zn) by the plants was examined in roots and leaves by using an Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES). The data proved that plant growth and uptake and accumulation of microelements are altered extensively in cotton grown with NaCl. Excess NaCl reduces the uptake pattern of certain elements and increases that of others, the patterns depending on the element and the plant part being compared to the control.Article Citation - WoS: 3Ecophysiological Properties of Turkish Endemic Centaurea Consanguinea Dc.(Parlar Scientific Publications, 2019) Eskin, Bülent; Özyiğit, İbrahim İlker; Doğan, İlhan; Demir, Göksel; Yarcı, Celal; Serin, MemduhThis physiological and ecological study was performed on Centaurea consanguinea DC. to acquire information about certain characteristics (bioclimatic, edaphic, topographic, biotic etc.) of its habitat and distribution in Turkey, determine the requirements for germination, explore the soil-plant relations and obtain data on certain aspects of its population biology. Plant and co-located soil samples were collected from Amasya and Havza District (Samsun) in Turkey using standard methods. Various analyzes were employed for determining of physical, chemical and biological properties of the plant species and its co-located soils including pH, total protein and electrical conductivity (EC), soil texture, contents of mineral nutrition and other physical and chemical parameters and the results were presented. Nutrient amounts (in %) were found to be in the ranges of 0.01-0.007 for N, 0.0008-0.001 for P, 0.01-0.09 for K, 0.0002-0.0003 for Na in the soils and 2.25 for N, 0.0068 for P, 0.07 for K and 0.02 for Na in the plant, respectively. Also, it was observed that germination ratios of the seeds were depended on various factors.Article Citation - WoS: 11Citation - Scopus: 15Salinity Induced Changes in Cotton (gossypium Hirsutum L.)(Pakistan Botanical Society, 2012) Doğan, İlhan; Kekeç, Güzin; Özyiğit, İbrahim İlker; Sakçalı, Mehmet SerdalCotton (Gossypium hirsutum L.) is susceptible to abiotic stresses. High salinity is a common abiotic stress condition that adversely affects plant growth. Altered ion and water homeostasis changes due to NaCI stress, lead to molecular damage, growth arrest and even death. As a consequence of salt stress effects, secondary stresses such as oxidative damage by reactive oxygen species may occur. Reactive oxygen species can alter cellular metabolism through oxidative damage of lipids, proteins and nucleic acids causing lipid peroxidation, protein denaturing and DNA mutation. In recent years, several selective and sensitive assays have been developed to evaluate the effects of environmental stress on vegetal organisms. RAPD is one of them and developed for DNA analysis. In this study, cotton seedlings were used as bioindicator of salinity stress in the range of 50-400 mM. Effects of salinity stress were determined by comparing RAPD profiles of normal and treated cotton seedlings include variations in band intensities as well as gains or losses of band numbers. The DNA polymorphisms detected by RAPD analysis could be used as an investigation tool and useful biomarker assay for observing environmental stresses such as high salinity on vegetal organisms.Article Citation - WoS: 6Citation - Scopus: 9Detection of Physiological and Genotoxic Damages Reflecting Toxicity in Kalanchoe Clones(Global Network Environmental Science & Technology, 2016) Özyiğit, İbrahim İlker; Yılmaz, S.; Doğan, İlhan; Sakçalı, Mehmet Serdal; Tombuloğlu, Güzin; Demir, GökselIn order to make assessments in understanding of physiological and genotoxic effects of imposing cadmium (Cd) on photosynthetic pigment contents along with the changes occurring in genetic material of Kalanchoe plants were used in relation to various Cd-treatments. Young plantlets were originated from a single host plant as clones, and developed in vitro. Developed clones were grown in standard pots with daily watering of Hoagland solution (20 ml) containing different concentrations of cadmium chloride for two months. Cd concentrations of the collected samples were measured by employing ICP-OES and RAPD-PCR technique was applied for detecting the genotoxic effects of Cd. After two month of experimental period, the comparisons between unexposed and exposed Kalanchoe clone groups revealed reductions in photosynthetic pigment contents, especially at the highest level of Cd exposure and a genomic instability when application of Cd concentration increases. RAPD-PCR analyses demonstrated the distinguishable banding pattern in number and band intensities between Cd-treated and control groups. In addition, progressive Cd accumulations in leaves, stems and roots of plant samples were observed when the application of exposure level increased.Article Citation - WoS: 15Citation - Scopus: 16The Usability of Juniperus Virginiana L. as a Biomonitor of Heavy Metal Pollution in Bishkek City, Kyrgyzstan(Taylor & Francis, 2015) Kurmanbekova, Gülbübü; Severoğlu, Zeki; Özyiğit, İbrahim İlker; Doğan, İlhan; Demir, Göksel; Yalçın, İbrahim Ertuğrul; Kaşoğlu, GültenUncontrolled and unplanned urbanization and industrialization due to increase of population and rapid industrial development have created severe environmental problems in Kyrgyzstan during the last few decades. In this study, Juniperus virginiana, a dioecious species, was employed in order to make assessment of the heavy metal pollution rate in the area and of the heavy metal pollution impact on the mineral nutrient status of the plant. For this study, leaf (washed and unwashed) and bark samples of J. virginiana, and its co-located soil samples were collected from eight different stations, all in the capital of Kyrgyzstan, Bishkek, in 2012 vegetation period. The standard procedures were used and the determinations of heavy metal and nutrient element contents (Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Pb and Zn) in all samples were done using inductively coupled plasma-optical emission spectroscopy. According to our measurements, J. virginiana was found to be capable of accumulating a considerable amount of metals and the mineral nutrient uptake pattern was altered because of metal deposition in the plant, which showed a contamination risk in the area.Article Citation - WoS: 2Citation - Scopus: 9Germination Physiology and Autecology of Centaurea Kilaea Boiss. From Turkey(Penerbit Universiti Kebangsaan Malaysia, 2013) Eskin, B.; Özyiğit, İbrahim İlker; Doğan, İlhan; Altay, V.; Demir, G.; Serin, M.In this study germination requirements, plant-soil interactions and population biology of Centaurea kilaea was studied. The plant and soil samples were collected from Sofular Village (Sile District) and shore of Çatalca District (Istanbul) in Turkey by using standard methods. Methods like Scheibler, Wetdigestion, Kjeldahl and Olsen were employed for measurement of soil texture, structure and other physical and chemical characteristics (pH, total protein and electrical conductivity) using spectrophotometer, flame photometer, calcimeter and ICP. The results showed that ranges of different elements in the soil were 0.007-0.2% for N, 0.0007-0.001% for P, 0.001-0.01% for K, 0.0001-0.0002 % for Na. N, P, K and Na values in the plants were 2.17, 0.005, 0.1 and 0.006%, respectively. The data revealed that germination success of the seeds was influenced by the environmental factors such as pH, germination season and temperature.
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