Yıl: 2019 Cilt: 10 Sayı: 2 Sayfa Aralığı: 209 - 216 Metin Dili: İngilizce DOI: 10.18663/tjcl.459417 İndeks Tarihi: 21-05-2021

The effects of insulin and glucose on growth and expression of mar regulon in E. coli

Öz:
Aim: Host factors are known to modulate virulence, antibiotic susceptibility and growth of bacteria. In the present study we aimed to investigate the effect of human insulin and glucose on growth and expression of mar regulon (marA, marR, ompF, acrA, acrB and tolC) of E. coli SPC105. Material and Methods: E. coli SPC105 was grown in tryptic soy broth (TSB-control) and TSB containing 20 µU/mL insulin, 200 µU/mL insulin, 0.1% glucose and 200 µU/mL insulin + 0.1% glucose. Growths were determined via turbidimetric method. Quantitative polymerase chain reaction (qPCR) was used to determine the gene expression levels. Statistical analysis were performed via Tukey’s post hoc-test. Results: According to absorbance values, it has been shown that 0.1% glucose and 200 µU/mL insulin + 0.1% glucose have led a significant decrease on growth. Expression of acrA gene was shown to be decreased in the presence of 200μIU insulin. Expressions of marR and marA were also decreased in 200μU insulin, 0.1 % glucose+200μU insulin and 0.1% glucose added TSB. Decreasing of marA, marR and acrA expressions were shown to be statistically significant (p<0.05). Conclusion: The results of the present study has shown once more that, host factors may influence the growth of a bacterium as well as gene expressions associated with antibiotic susceptibilities.
Anahtar Kelime:

İnsulin ve glukozun E. coli’de üreme ve mar regulonunun ekspresyonu üzerine etkisi

Öz:
Amaç:Konak faktörlerinin bakterilerin virulans, antibiyotik duyarlılığı ve üreme gibi özelliklerini etkilediği bilinmektedir. Bu çalışmada insan insulin ve glukozun E. coli SPC105 suşunun üremesi ve marregulonunun (marA, marR, ompF, acrA, acrB vetolC genlerini içeren) ekspresyonu üzerine etkisinin araştırılması hedeflenmiştir. Gereç ve Yöntemler: E. coli SPC105 triptik soy buyyonda (TSB-kontrol) ve 20 µU/mLinsulin, 200 µU/mLinsulin, %0,1 glukoz ve 200 µU/mLinsulin + %0,1 glukoz içeren TSB’de üretilmiştir. Üremeler türbidimetrik yöntem ile belirlenmiştir. Gen ekspresyonu düzeyleri kantitatifpolimeraz zincir reaksiyonu (qPCR) ile araştırılmıştır. İstatistiksel analizlerde Tukey’in post hoc-testi kullanılmıştır. Bulgular: Absorbans sonuçlarına göre %0,1 glukoz ve 200 µU/mLinsulin + %0,1 glukoz içeren besiyerleri üremeyi anlamlı düzeyde düşürmüştür. acrA geninin ekspresyon seviyesinin 200µU/mL insülin içeren besiyerinde düştüğü görülmüştür. marR ve marA’nın ekspresyonları da benzer şekilde 200 µU/mLinsulin, %0,1 glukoz ve 200 µU/mLinsulin + %0,1 glukoz içeren TSB’de azalmıştır. marA, marR, acrA ekspresyonlarındaki azalış istatistiksel olarak anlamlı bulunmuştur (p<0.05). Sonuç: Bu çalışmanın sonuçları bir kez daha göstermiştir ki, konak faktörleri bir bakterinin üremesi üzerine olduğu kadar antibiyotik direnci ile ilişkili farklı genlerinde ekspresyonu üzerinde etkili olabilmektedir.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Gümüş D, KALAYCI YÜKSEK F, Uz G, Bayraktar A, Koseoglu P, Ofluoğlu S, Daylan B, Anğ Küçüker M (2019). The effects of insulin and glucose on growth and expression of mar regulon in E. coli. , 209 - 216. 10.18663/tjcl.459417
Chicago Gümüş Defne,KALAYCI YÜKSEK FATMA,Uz Gulsen,Bayraktar Asli,Koseoglu Pinar,Ofluoğlu Serhat Yağmur,Daylan Benay,Anğ Küçüker MİNE The effects of insulin and glucose on growth and expression of mar regulon in E. coli. (2019): 209 - 216. 10.18663/tjcl.459417
MLA Gümüş Defne,KALAYCI YÜKSEK FATMA,Uz Gulsen,Bayraktar Asli,Koseoglu Pinar,Ofluoğlu Serhat Yağmur,Daylan Benay,Anğ Küçüker MİNE The effects of insulin and glucose on growth and expression of mar regulon in E. coli. , 2019, ss.209 - 216. 10.18663/tjcl.459417
AMA Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M The effects of insulin and glucose on growth and expression of mar regulon in E. coli. . 2019; 209 - 216. 10.18663/tjcl.459417
Vancouver Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M The effects of insulin and glucose on growth and expression of mar regulon in E. coli. . 2019; 209 - 216. 10.18663/tjcl.459417
IEEE Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M "The effects of insulin and glucose on growth and expression of mar regulon in E. coli." , ss.209 - 216, 2019. 10.18663/tjcl.459417
ISNAD Gümüş, Defne vd. "The effects of insulin and glucose on growth and expression of mar regulon in E. coli". (2019), 209-216. https://doi.org/10.18663/tjcl.459417
APA Gümüş D, KALAYCI YÜKSEK F, Uz G, Bayraktar A, Koseoglu P, Ofluoğlu S, Daylan B, Anğ Küçüker M (2019). The effects of insulin and glucose on growth and expression of mar regulon in E. coli. Turkish Journal of Clinics and Laboratory, 10(2), 209 - 216. 10.18663/tjcl.459417
Chicago Gümüş Defne,KALAYCI YÜKSEK FATMA,Uz Gulsen,Bayraktar Asli,Koseoglu Pinar,Ofluoğlu Serhat Yağmur,Daylan Benay,Anğ Küçüker MİNE The effects of insulin and glucose on growth and expression of mar regulon in E. coli. Turkish Journal of Clinics and Laboratory 10, no.2 (2019): 209 - 216. 10.18663/tjcl.459417
MLA Gümüş Defne,KALAYCI YÜKSEK FATMA,Uz Gulsen,Bayraktar Asli,Koseoglu Pinar,Ofluoğlu Serhat Yağmur,Daylan Benay,Anğ Küçüker MİNE The effects of insulin and glucose on growth and expression of mar regulon in E. coli. Turkish Journal of Clinics and Laboratory, vol.10, no.2, 2019, ss.209 - 216. 10.18663/tjcl.459417
AMA Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M The effects of insulin and glucose on growth and expression of mar regulon in E. coli. Turkish Journal of Clinics and Laboratory. 2019; 10(2): 209 - 216. 10.18663/tjcl.459417
Vancouver Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M The effects of insulin and glucose on growth and expression of mar regulon in E. coli. Turkish Journal of Clinics and Laboratory. 2019; 10(2): 209 - 216. 10.18663/tjcl.459417
IEEE Gümüş D,KALAYCI YÜKSEK F,Uz G,Bayraktar A,Koseoglu P,Ofluoğlu S,Daylan B,Anğ Küçüker M "The effects of insulin and glucose on growth and expression of mar regulon in E. coli." Turkish Journal of Clinics and Laboratory, 10, ss.209 - 216, 2019. 10.18663/tjcl.459417
ISNAD Gümüş, Defne vd. "The effects of insulin and glucose on growth and expression of mar regulon in E. coli". Turkish Journal of Clinics and Laboratory 10/2 (2019), 209-216. https://doi.org/10.18663/tjcl.459417