Journals / OPUS Toplum Araştırmaları Dergisi / 2018 / Cilt: 14 - Sayı: 3

Karyotypic Characteristics of Pelophylax ridibundus

Pelophylax ridibundus’un Karyotipik Özellikleri

Pages
253–264
Publication Date
2018-09-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The fundamental arm number (FN) was 52 and index of karyotype symmetry/asymmetry was 1.61.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Karasu Basin in Erzurum provincial boundary is the source of the Euphrates River.
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Key Findings & Data:The best treatment parameters for preparing good metaphase chromosome spreads from the cells were optimized as hypotonic 1 hour (0.075 M KCl) treatment and fixation with cold carnoy.
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Conclusion & Impact:The fundamental arm number (FN) was 52 and index of karyotype symmetry/asymmetry was 1.61.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Pelophylax ridibundus · Karasu Havzası · Kromozom

Abstract

Karasu Basin in Erzurum provincial boundary is the source of the Euphrates River. Marsh frog is one of the amphibian species that is inhabited in Karasu Basin. The karyotypic characteristics of Pelophylax ridibundus have been investigated by examining metaphase chromosomes spreads obtained from bone marrow and intestine epithelium. The frogs used in the study were caught from three stations of the Karasu Basin. The cells from bone marrow and intestine of the frogs were used for karyotype analysis. The best treatment parameters for preparing good metaphase chromosome spreads from the cells were optimized as hypotonic 1 hour (0.075 M KCl) treatment and fixation with cold carnoy. The slides were stained 10% Giemsa for 20 minutes. It was determined that P. ridibundus had 2n=26 chromosomes by investigation of the chromosome spreads. The karyotype of P. ridibundus was determined as composed of 6 metacentric, 6 submetacentric and 1 subtelocentric chromosome pairs (12M+12SM+2ST). The fundamental arm number (FN) was 52 and index of karyotype symmetry/asymmetry was 1.61.

Özet

Erzurum il sınırları içinde olan Karasu Havzası Fırat Nehri’nin kaynağını oluşturmaktadır. Amfibi türlerinden olan ova kurbağaları (Pelophylax ridibundus) Karasu Havzası’nda da yaşamaktadır. Bu çalışmada P. ridibundus’un karyotipik özellikleri kemik iliği ve barsaklarından elde edilen metafaz kromozomları incelenerek araştırılmıştır. Çalışmada kullanılan kurbağalar Karasu Havzası’nın 3 farklı noktasından yakalanmıştır. Kurbağaların barsak epitel ve kemik iliği ana hücreleri karyotip analizi için kullanılmıştır. Bu hücrelerden en iyi metafaz kromozom yayılımları 1 saat hipotonik (0,075 M KCl) uygulama, soğuk hazırlanmış karnoy ile fiksasyon ve %10’luk Giemsa ile 20 dakika boyama sonucu elde edilmiştir. Hazırlanan preparatlarda yapılan incelemeler sonucunda her iki hücre tipinde P. ridibundus’un 2n=26 kromozoma sahip olduğu anlaşılmıştır. Karyotip analizi sonucunda P. ridibundus’da 6 metasentrik, 6 submetasentrik ve 1 subtelosentrik kromozom çifti olduğu belirlenmiştir (12M+12SM+2ST). Temel kromozom kol sayısı (FN) 52 ve karyotip simetri/asimetri indeksi 1,61 olarak hesaplanmıştır.

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Cite This Article

CANPOLAT, E., ŞİŞMAN, T., TEPE, Y., TÜRKEZ, H. (2018). Karyotypic Characteristics of Pelophylax ridibundus. OPUS Toplum Araştırmaları Dergisi, Cilt: 14 - Sayı: 3, 253–264. https://ajindex.com/articles/856586

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