Trakya University Journal of Natural Sciences最新文献

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PRODUCTION OF Candida BIOMASSES FOR HEAVY METAL REMOVAL FROM WASTEWATERS 生产假丝酵母生物质去除废水中的重金属
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2020-02-16 DOI: 10.23902/TRKJNAT.817451
Gülşah Mersin, Ünsal Açıkel
{"title":"PRODUCTION OF Candida BIOMASSES FOR HEAVY METAL REMOVAL FROM WASTEWATERS","authors":"Gülşah Mersin, Ünsal Açıkel","doi":"10.23902/TRKJNAT.817451","DOIUrl":"https://doi.org/10.23902/TRKJNAT.817451","url":null,"abstract":"Yeasts can accumulate heavy metals and grow in acidic media. In the present study, it was shown that Candida yeasts in an aqueous solution accumulate single Cu(II) and Ni(II) cations. The effect of heavy metal ions on the specific growth rate of biomasses and the uptake of metal ions during the growth phase was investigated in a batch system. Bioaccumulation efficiency decreased with increasing metal ion concentrations at constant sucrose concentrations. Both the specific growth rate and the biomass concentration were more inhibited in the bioaccumulation media containing Ni(II) ions singly as compared with the bioaccumulation media containing Cu(II) ions singly. The maximum specific growth rate and the saturation constant of yeasts were examined with a double-reciprocal form of Monod equation. Metal uptake performance decreased from 81.68% to 46.28% with increasing Ni(II) concentration from 25 mg/L to 250 mg/L for Candida lipolytica. Candida biomasses may be an alternative way of removal of heavy metals from wastewaters and may constitute a sample to produce new biomass. The study showed that Candida yeasts can be used as economical biomass due to their metal resistance and efficient production.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2020-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83345674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
TEXTILE FINISHING WITH CHITOSAN AND SILVER NANOPARTICLES AGAINST Escherichia coli ATCC 8739 壳聚糖和纳米银对大肠杆菌ATCC 8739的织物整理
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2020-02-16 DOI: 10.23902/trkjnat.641367
S. Erdoğan
{"title":"TEXTILE FINISHING WITH CHITOSAN AND SILVER NANOPARTICLES AGAINST Escherichia coli ATCC 8739","authors":"S. Erdoğan","doi":"10.23902/trkjnat.641367","DOIUrl":"https://doi.org/10.23902/trkjnat.641367","url":null,"abstract":"Cevreyi ve insan sagligini koruyan antibakteriyel malzemelerle bitim islemi son yillarda onem kazanmaktadir. Bu calismanin amaci da 1) kitosani nano-gumus (Ag) kaplamalar icin baglayici olarak kullanarak yeni nesil antibakteriyel apreler gelistirmek, 2) karides ve kerevitlerden uretilen kitosanin tekstil uretimi icin uygulanabilirligini belirlemek ve 3) cevre dostu tekstil uretimine katkida bulunmaktir. Calismada, karides ve kerevit atiklarindan uretilen kitosan, Ag nanopartikullerinin kumas yuzeylerine baglanmasinda yapiskan olarak kullanilmistir. Nano-Ag partikullerinin kitosan araciligiyla kumas yuzeylerine baglanma ozellikleri Fourier donusumlu kizilotesi spektroskopi (FTIR), Taramali elektron mikroskobu (SEM) ve Enerji dagilimli x isini (EDX) analizleri ile incelenmistir. Kumaslarin Escherichia coli ATCC 8739' ye karsi antibakteriyel aktiviteleri JIS L 1902-2015 standardina gore test edilmistir. Calismanin sonuclari kerevit ve karides kitosanlarinin renksiz bir film olusturdugunu ve Ag nanoparcaciklarini pamuklu kumas uzerine homojen bir sekilde kapladigini gostermistir. Kerevit kitosani ve karides kitosani ile kapli pamuklu kumaslarin antibakteriyel aktivite degerleri sirasiyla, 3,10 ve 5,74 olarak hesaplanirken, kerevit kitosani+nano-Ag ve karides kitosani+nano-Ag ile kaplanmis pamuklu kumaslarin antibakteriyel aktivite degerleri sirasiyla 5,37 ve 5,10 olarak bulundu. E. coli ATCC 8739' ye karsi iyi bir antibakteriyel aktivite sergileyen (% 99,99 azalma) kitosan+nano-Ag kaplamalar, tibbi tekstiller, bebek kiyafetleri ve ic camasirlari gibi giysilerin imalatinda kullanilabilir. Binder olarak kitosanin kullanilmasi, tekstil baskisinda, pigment boyamada, terbiye maddelerinde, kirletici desarjlarinda ve endustriyel kaynakli emisyonlarda kimyasallarin kullanimini azaltabilir. Ayrica, insan ve cevre sagliginin korunmasina yonelik yenilikci cozumler sunar.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2020-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74563064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
EVALUATION OF ANTICANDIDAL EFFECTS OF ESSENTIAL OILS OF COMMERCIAL LAVENDER (Lavandula angustifolia Miller) IN COMBINATION WITH KETOCONAZOLE AGAINTS SOME Candida Berkhout STRAINS 商品薰衣草精油与酮康唑联合抑菌效果的评价
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-12-03 DOI: 10.23902/trkjnat.590839
G. Göger, Burcu Akçal Çomoğlu, G. İşcan, F. Demirci
{"title":"EVALUATION OF ANTICANDIDAL EFFECTS OF ESSENTIAL OILS OF COMMERCIAL LAVENDER (Lavandula angustifolia Miller) IN COMBINATION WITH KETOCONAZOLE AGAINTS SOME Candida Berkhout STRAINS","authors":"G. Göger, Burcu Akçal Çomoğlu, G. İşcan, F. Demirci","doi":"10.23902/trkjnat.590839","DOIUrl":"https://doi.org/10.23902/trkjnat.590839","url":null,"abstract":"Application of combination studies with essential oils and standard antifungal drugs may reduce adverse effects of synthetic drugs and serve as alternative approach against various pathologies including candidiasis. The aim of the present study was to determine the interaction of two commercial lavender ( Lavandula angustifolia Miller) essential oils in combination with ketoconazole against clinical and standard strains of the human pathogens Candida albicans ATCC 10231, C. krusei NRRL Y-7179 and C. glabrata ATCC 66032. The chemical compositions of the investigated essential oils were confirmed both by gas chromatography/flame ionization detector (GC/FID) and gas chromatography/mass spectrometry (GC/MS) methods. Anticandidal activities of the essential oils were screened in vitro by the microdilution method. The resulting interaction of combining lavender essential oils and ketoconazole was tested using the checkerboard method. The results showed that the interaction between essential oils and ketoconazole revealed additive and indifferent effects against the tested strains. In conclusion, the effects observed by the combination of lavender essential oils and ketoconazole may be encouraging to be used against pathogenic Candida strains.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84719658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
ON NEWLY DISCOVERED DEUTONYMPHAL STAGE OF Stigmaeus kumalariensis Akyol & Koç (ACARI: STIGMAEIDAE) FROM TURKEY, WITH NUMERICAL AND STRUCTURAL VARIATIONS IN ADULTS 土耳其库马拉刺螨(stimeeus kumalariensis Akyol & Koç)新发现的双羽螨期(蜱螨亚纲:刺螨科)及其成虫数量和结构的变异
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/trkjnat.540747
S. Doğan, S. Doğan, Erhan Zeytun
{"title":"ON NEWLY DISCOVERED DEUTONYMPHAL STAGE OF Stigmaeus kumalariensis Akyol & Koç (ACARI: STIGMAEIDAE) FROM TURKEY, WITH NUMERICAL AND STRUCTURAL VARIATIONS IN ADULTS","authors":"S. Doğan, S. Doğan, Erhan Zeytun","doi":"10.23902/trkjnat.540747","DOIUrl":"https://doi.org/10.23902/trkjnat.540747","url":null,"abstract":"Deutonymph of Stigmaeus kumalariensis Akyol & Koc (Acari: Stigmaeidae) is herein described and illustrated based on specimens collected from litter and soil from Eksisu marsh, Erzincan (Turkey). This is the first record of deutonymphal stage of S. kumalariensis. In addition, variations in the number of aggenital setae and structure of the median zonal shields in some adult specimens of the species are reported.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72765997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
EVALUATION OF THE ANTIVIRAL ACTIVITY OF Ballota glandulosissima Hub.-Mor. & Patzak EXTRACTS AGAINST RESPIRATORY SYNCYTIAL VIRUS (RSV) 球状球藻(balta gludlosissima hub)抗病毒活性的评价抗呼吸道合胞病毒(RSV)百扎克提取物
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/trkjnat.543382
H. Doğan, Rüstem Duman
{"title":"EVALUATION OF THE ANTIVIRAL ACTIVITY OF Ballota glandulosissima Hub.-Mor. & Patzak EXTRACTS AGAINST RESPIRATORY SYNCYTIAL VIRUS (RSV)","authors":"H. Doğan, Rüstem Duman","doi":"10.23902/trkjnat.543382","DOIUrl":"https://doi.org/10.23902/trkjnat.543382","url":null,"abstract":"Dogal kaynaklardan yeni ve etkili antiviral etkenler bulmak amaciyla yapilan bu calismada, Ballota glandulosissima Hub.-Mor. & Patzak’dan elde edilen metanol ve su ekstraktlarinin antiviral ozellikleri Respiratuvar Sinsityal Virus (RSV)’una karsi kolorimetrik XTT testi ile degerlendirilmistir. Virusun neden oldugu sitopatik etkilere karsi %50 koruma saglamasi icin gerekli konsantrasyon EC 50 olarak tanimlanmis, CC 50 (%50 Sitotoksik Konsantrasyon)’nin EC 50 ’ye oranindan da secicilik indeksi (SI) belirlenmistir. Arastirma sonucunda, B. glandulosissima ’nin hem metanol (EC 50 = 12.45 µg/mL; SI = 24.84) hem de su ekstraktinin (EC 50 = 19.12 µg/mL; SI = 24.59) RSV’ye karsi; pozitif kontrol olarak kullanilan ribavirin (EC 50 = 3.25 µg/mL, SI = 34.89)’e gore onemli sayilabilecek oranda anti-RSV aktiviteye sahip oldugu tespit edilmistir. Sonuc olarak, B. glandulosissima ekstraktlarinin, RSV’ye karsi klinikte kullanilan ilaclara karsi bir alternatif olarak gelistirilebilmesi icin; daha ileri calismalara layik oldugunu soyleyebiliriz. Bu calisma, B. glandulosissima ’nin anti-RSV aktivitesine yonelik ilk rapordur.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75915516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
OBTAINING CANDIDATE SALT TOLERANT WHEAT MUTANT LINES DERIVED FROM COMBINATION OF SODIUM AZIDE MUTAGENESIS AND SOMATIC EMBRYOGENESIS 叠氮化钠诱变与体胚发生相结合获得小麦耐盐突变株系
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/trkjnat.571255
Ayşe Şen, F. Sarsu
{"title":"OBTAINING CANDIDATE SALT TOLERANT WHEAT MUTANT LINES DERIVED FROM COMBINATION OF SODIUM AZIDE MUTAGENESIS AND SOMATIC EMBRYOGENESIS","authors":"Ayşe Şen, F. Sarsu","doi":"10.23902/trkjnat.571255","DOIUrl":"https://doi.org/10.23902/trkjnat.571255","url":null,"abstract":"Bitki mutantlari, bitki islahi ve fonksiyonel gen calismalari icin onemli biyo-kaynaklardir. Mevcut calismada, tuza toleransli aday mutant bugday hatlari elde etmek icin somatik embriyogenez ile konvansiyonel kimyasal mutajenez teknigi birlestirildi. Bu amacla; ekmeklik bugdayda ( Triticum aestivum L. cv. Adana 99) genetik varyasyonlar yaratmak icin embriyonik kalluslara 0-5 mM Sodyum Azid (NaN 3 ), 30 dakika boyunca in vitro ortamda uygulandi. Islem gormus ve gormemis kalluslar, somatik embriyo tesvik ortamina konularak somatik embriyo tesviki icin 3 ve 4 mM NaN 3 uygulamasi optimum mutasyon dozlari olarak tespit edildi. Ardindan bu mutasyon dozlari ile muamele edilen kalluslardan elde edilen somatik embriyolar tuz stresine tolerans gelistirmek icin kullanilacak 125 mM NaCl iceren rejenerasyon ortamlarinda tolerans acisindan tarandi. NaN 3 muamelesinde, orta duzeyde tuza toleransi olan 14 mutant elde edildi. Elde edilen sonuclar; kimyasal mutagenez ile kombine halde in vitro teknik uygulamasinin, populasyonlarda yeterli genetik varyasyon olusturmak ve 1.5 yildan daha az bir surede dorduncu jenerasyon tuz toleransli aday bugday mutant hatlarini islah surecini hizlandirarak elde etmek icin kullanisli bir yontem olabilecegini gostermektedir.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79342194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
FIRST RECORD OF Micrasema cinereum Mosely (TRICHOPTERA, BRACHYCENTRIDAE) IN TURKEY AND A LIST OF THE CADDISFLY FAUNA IN ARAÇ CREEK 土耳其首次记录毛翅目,短翅蛛科蝇类,并记录ARAÇ溪地球蝇区系
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/TRKJNAT.484166
İbrahim Küçükbasmacı, Ö. Findik
{"title":"FIRST RECORD OF Micrasema cinereum Mosely (TRICHOPTERA, BRACHYCENTRIDAE) IN TURKEY AND A LIST OF THE CADDISFLY FAUNA IN ARAÇ CREEK","authors":"İbrahim Küçükbasmacı, Ö. Findik","doi":"10.23902/TRKJNAT.484166","DOIUrl":"https://doi.org/10.23902/TRKJNAT.484166","url":null,"abstract":"Turkiye’de Trichoptera larvalari uzerindeki sistematik calismalar cok sinirlidir ve ozellikle endemik turlerin larva evresi bilinmemektedir. Calisma Arac Cayi'nda 2013 yili Nisan-Ekim aylari arasinda gerceklestirilmistir ve Arac Cayi’nin Trichoptera faunasini belirleyen ilk calismadir. Sekiz farkli familyadan (Brachycentridae, Hydropsychidae, Hydroptilidae, Lepidostomatidae, Leptoceridae, Limnephilidae, Psychomyiidae ve Rhyacophilidae) 9 cinse ait 14 Trichoptera taksonu belirlenmistir. Bu taksonlardan dordu daha once Arac Cayi’ndan kaydedilmis, diger 10 takson ise Arac Cayi icin yeni kayittir. Buna ek olarak, Micrasema cinereum Mosely ise Turkiye Trichoptera faunasi icin ilk kayittir. Calismanin sonucunda, Turkiye'deki Trichoptera takson sayisi yeni bir kayitla birlikte 501 olmustur.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85570757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
GENOTOXICITY AND ANTIOXIDANT ENZYME ACTIVITIES INDUCED BY THE CAPTAN FUNGICIDE IN THE ROOT OF BELL PEPPER (Capsicum annuum L. var. grossum L. cv. Kandil) 杀菌剂CAPTAN对甜椒(Capsicum annuum L. var. grossum L. cv.)根系遗传毒性及抗氧化酶活性的影响。坎迪尔地区)
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/TRKJNAT.546647
Müge Seyhan, E. Yüzbaşıoğlu, E. Dalyan, I. Akpinar, M. Unal
{"title":"GENOTOXICITY AND ANTIOXIDANT ENZYME ACTIVITIES INDUCED BY THE CAPTAN FUNGICIDE IN THE ROOT OF BELL PEPPER (Capsicum annuum L. var. grossum L. cv. Kandil)","authors":"Müge Seyhan, E. Yüzbaşıoğlu, E. Dalyan, I. Akpinar, M. Unal","doi":"10.23902/TRKJNAT.546647","DOIUrl":"https://doi.org/10.23902/TRKJNAT.546647","url":null,"abstract":"Bu calismada, dolmalik biberde ( Capsicum annuum L. var. Grossum L. cv. Kandil) kok dokusunda morfolojik, fizyolojik ve sitolojik parametreler kullanarak captan fungisitinin toksik etkisi arastirildi. Dolmalik biber tohumlari 7 gun boyunca farkli konsantrasyonlarda (0, 25μM, 50μM, 100μM, 150μM) captan fungisit iceren petri kabinda cimlenmistir. Elde edilen sonuclar, captanla muamele edilmis tohumlarda cimlenme oraninin ve kok uzunlugunun dustugunu gostermistir. Ayrica, captan fungisitinin tum konsantrasyonlari, mitotik indekste onemli bir azalmaya ve biber kokunun meristematik hucrelerinde c-mitoz ve kromozom yapiskanligi gibi farkli tipte kromozomal anormalliklerin artmasina neden olmustur. Ayrica, captan muamelesi, 7 gunluk dolmalik biber kokundeki kok elektrolit sizintisinda bir artis ile membran hasarina yol acarak oksidatif stresi tetiklemistir. Oksidatif stres ile basa cikmak icin katalaz, glutatyon reduktaz ve toplam peroksidaz aktivitelerinin dolmalik biber koklerinde farkli captan fungisit konsantrasyonu altinda arttigi belirlenmistir. Elde ettigimiz sonuclar captan fungisitinin dolmalik biber tohumundaki cimlenme ve buyumeyi olumsuz yonde etkiledigini gostermistir.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79195574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Functional characterization of spermine family transporter caf5+ in Schizosaccharomyces pombe (Lindner) 裂糖酵母精胺家族转运蛋白caf5+的功能研究
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-10-15 DOI: 10.23902/TRKJNAT.527846
Aslıhan Örs Gevrekci
{"title":"Functional characterization of spermine family transporter caf5+ in Schizosaccharomyces pombe (Lindner)","authors":"Aslıhan Örs Gevrekci","doi":"10.23902/TRKJNAT.527846","DOIUrl":"https://doi.org/10.23902/TRKJNAT.527846","url":null,"abstract":"Poliaminler, nukleik asitlerle etkilestigi ve hucre dongusu ile stres tepkisi gibi pek cok hucresel isleve katildigi bilinen, korunmus polikatyonik molekullerdir. Poliaminlerin hucre icine girisi ve hucre disina cikisi, poliamin homeostazinda gorevli oldugu bilinen poliamin tasiyici proteinleri tarafindan yurutulmektedir. Schizosaccharomyces pombe (Lindner) caf5 + geni de henuz islevsel olarak karakterize edilmemis bir spermin ailesi tasiyicisidir. Bu calismanin amaci ters genetik yontemlerle caf5 + geninin poliaminlerle iliskili oldugu bilinen hucresel islevler uzerindeki onemini anlamaktir. Normal kosullarda yasayabilir durumda olan, caf5 + geni delesyon mutantlari ( caf5Δ ) pek cok farkli hucresel islev uzerinden taranmislardir. Sonuclar, caf5 + geni delesyon mutantlarinin hucre boyunun daha kisa oldugunu ve optimum kosullar altinda daha hizli bolunduklerini gostermektedir. caf5Δ hucreler, ayni zamanda yuksek dozda UV isinlarina karsi hassasiyet gostermisler ancak ozmotik stres kosullarinda ve bir baska DNA hasari ajani olan hidroksiure'ye karsi herhangi bir hassasiyet gostermemislerdir. DNA ve septum boyamalari sonucunda bu mutantlarin mitoz ve mayoz bolunmenin farkli fazlarini basarili bir sekilde tamamlayabilir oldugu bulunmustur. Ozetle, caf5 + geni normal hucre buyumesinde, hucre dongusunde ve UV ile induklenen stres tepkisinde rol oynamaktadir.","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82059706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
COMPARATIVE MORPHOLOGICAL AND ANATOMICAL STUDIES ON Iris peshmeniana Güner & T. Hall. AND Iris aucheri (Baker) Sealy (IRIDACEAE) 白虹膜(Iris peshmeniana gner & T. Hall)的形态解剖学比较研究。和鸢尾(鸢尾科)
IF 0.7
Trakya University Journal of Natural Sciences Pub Date : 2019-08-05 DOI: 10.23902/TRKJNAT.558252
N. Kandemir
{"title":"COMPARATIVE MORPHOLOGICAL AND ANATOMICAL STUDIES ON Iris peshmeniana Güner & T. Hall. AND Iris aucheri (Baker) Sealy (IRIDACEAE)","authors":"N. Kandemir","doi":"10.23902/TRKJNAT.558252","DOIUrl":"https://doi.org/10.23902/TRKJNAT.558252","url":null,"abstract":"In this study , morphological and anatomical features of two morphologically similar species ( Iris peshmeniana Guner & T. Hall. and Iris aucheri (Baker) Sealy) within the Scorpiris Spach subgenus (Juno iris) of the genus Iris L. were determined and similarities and differences between the two species were discussed. Iris peshmeniana is endemic to Turkey and its spreading area is protected because of exctinction threat. Iris aucheri is not endemic to Turkey and it has a limited distribution in the country. The cross-sections from root, scape and leaves and surface-sections from leaves of species were taken. Anatomical and morphological evaluations of the collected and obtained samples revealed differences in plant size, leaf number, width and length, periant tube length, fall length, standard structure, capsule length and width, bract and bracteole structure, length of style branches and testa structure of seeds and in the number of exoderma and cortex layers, margin structure of cortex paranchyma cells, structure of the root center cylinder, xylem strand number, status micropapillae in lower epiderma, layer number of palisade and spongy parenchyma and status of sclerenchyma cap. Although there were some differences in morphological and anatomical features, based on similar anatomical and morphological features revealed in the present study, it has been suggested that I. peshmeniana may be a subspecies of I. aucheri .","PeriodicalId":23163,"journal":{"name":"Trakya University Journal of Natural Sciences","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89548946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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