Proline accumulation is a general response to abiotic stress in the date palm tree (Phoenix dactylifera L.)

Genetics and Molecular Research : GMR
Mahmoud W Yaish

Abstract

Plants exposed to certain abiotic stress conditions tend to produce the amino acid proline, which acts as an active osmolyte, a metal chelator, an antioxidant, and a signaling molecule. There is increasing evidence that proline accumulates in plants due to a wide range of abiotic stress, in particular high soil salinity and drought. Therefore, proline content is often used as a marker-assisted breeding tool aimed at improving drought and salinity tolerance. In this study, it was investigated whether proline accumulation in date palm (Phoenix dactylifera L.) seedlings occurs solely due to high salinity and drought stresses or due to other unspecified abiotic stresses, including salinity and salinity shock, drought, extreme temperatures, and abscisic acid. The free proline assays revealed that this amino acid over-accumulated in the roots and leaves of each stress-treated plant, and was remarkably high when leaves were exposed to suboptimum temperatures and salinity stress. These results indicate that the production of proline is a common response to various abiotic stresses and its differential accumulation cannot be used as a molecular marker in date palm breeding programs aimed at improving drought or salinity tolerance traits...Continue Reading

Citations

Aug 4, 2019·Journal of Experimental Botany·Baoguo DuHeinz Rennenberg
Sep 12, 2019·Plant Signaling & Behavior·Gerry Aplang JanaMahmoud W Yaish
Oct 30, 2015·Journal of Human Genetics·Neetu NegiKumarasamy Thangaraj
Sep 16, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·T BonanzingaM Marcacci
Jun 20, 2019·International Journal of Molecular Sciences·Himanshu V PatankarMahmoud W Yaish
Nov 15, 2016·International Journal of Genomics·Haddad A El RabeyKhalid O Abulnaja
Aug 5, 2017·Frontiers in Physiology·Dekoum V M AssahaMahmoud W Yaish
Jul 14, 2017·International Journal of Genomics·Fahad Al-QurainyAbdel-Rhman Z Gaafar
Apr 8, 2020·Frontiers in Plant Science·Khaled Michel HazzouriKhaled M A Amiri
Jan 14, 2020·Pakistan Journal of Biological Sciences : PJBS·Saqer AlotaibiEmad Al-Thubaiti
May 23, 2019·Recent Patents on Food, Nutrition & Agriculture·Shahid Ali, Linan Xie

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