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Expression Analysis of Proline Metabolism-Related Genes in Salt-Tolerant Soybean Mutant Plants

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Author
Çelik, Özge
Ünsal, Selin Gül
Type
Article
Date
2013-09
Language
en_US
Metadata
Show full item record
Abstract
Salt stress is one of the important abiotic stress factors. Proline is generally thought to play an important role in the improvement of salt tolerance in plants. In the present study, we discussed the relationship between free proline accumulation and the expression patterns of the genes that play roles in proline metabolism (P5CS, P5CR, PDH, P5CDH) under 90 mM NaCl stress. We used three salt tolerant M3 generation soybean mutant plants (Ataem-7/150-68, S04-05/150-2 and S04-05/150-114). The mutants belonging to M3 generation are determined as tolerant to 90 mM NaCl. The free proline contents of the salt-tolerant mutants were measured at the upper phase of the extract with respect to toluene. We observed 1.96-, 2.43- and 1.14-fold increases in the free proline accumulation of Ataem-7/150-68, S04-05/150-2 and S04-05/150-114 mutant plants after 7 days of salt treatment in accordance with control groups, respectively. The expression analyses were performed using specific primers designed for soybean gene regions. According to the results of the quantitative reverse-transcriptase polymerase chain reaction, all the genes were up-regulated when these mutants were subjected to salt stress. In addition to increased expression levels of these genes in three salt tolerant soybean mutants, the only statistically significant relation was observed between the regulation of P5CR and PDH gene expressions and proline content in S04-05/150-114 mutant. In further studies, the other possible mechanisms that cause proline accumulation should be evaluated for these salt tolerant soybean mutants.
Subject
soybean mutants
proline metabolism-related genes
qRT-PCR
antioxidative enzymes
tomato plants
stress
biosynthesis
salinity
accumulation
rice
degradation
cultivars
increases
soya fasulyesi mutantları
prolin metabolizması ile ilgili genler
antioksidan enzimler
domates bitkileri
stres
biyosentezi
tuzluluk
birikim
pirinç
bozulma
artışlar
URI
http://hdl.handle.net/11413/1775
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