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Effects of polyamines and polyamine biosynthetic inhibitors on mitotic activity of Allium cepa root tips

Thumbnail
Author
Ünal, Meral
Palavan Ünsal, Narçin
Tüfekçi, M. A.
Type
Article
Date
2008-03
Language
en_US
Metadata
Show full item record
Abstract
The genotoxic and cytotoxic effects of exogenous polyamines (PAs), putrescine ( Put), spermidine (Spd), spermine (Spm) and PA biosynthetic inhibitors, alpha-difluoromethylornithine ( DFMO), cyclohexilamine (CHA), methylglioxal bis-(guanylhydrazone) ( MGBG) were investigated in the root meristems of Allium cepa L. The reduction of mitotic index and the induction of chromosomal aberrations such as bridges, stickiness, c-mitotic anaphases, micronuclei, endoredupliction by PAs and PA biosynthetic inhibitors were observed and these were used as evidence of genotoxicity and cytotoxicity.
Subject
allium cepa
chromosome aberration
mitotic activity
polyamine
polyamine biosynthetic inhibitor
cell-cycle
spermidine
growth
seedlings
plants
kromozom aberasyon
mitotik aktivite
poliamin
poliamin biyosentetik inhibitörü
hücre döngüsü
büyüme
fidan
bitkiler
URI
http://hdl.handle.net/11413/1209
Collections
  • Makaleler / Articles [140]
  • Scopus Publications [724]
  • WoS Publications [1016]

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İstanbul Kültür University

Hakkında |Politika | Kütüphane | İletişim | Send Feedback | Admin

Istanbul Kültür University, Ataköy Campus E5 Karayolu Üzeri Bakırköy 34158, İstanbul / TURKEY
Copyright © İstanbul Kültür University

Creative Commons Lisansı
IKU Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

Designed by  UNIREPOS