Citrulline is an important biochemical indicator in tolerance to saline and drought stresses in melon

TheScientificWorldJournal
Sebnem KusvuranKazim Abak

Abstract

Salt- and drought-induced alterations in citrulline were assessed in 4 local melon genotypes, 2 sensitive (CU-52, CU-94) and 2 tolerant (CU-196, CU-280), grown in vermiculite in a growth chamber. Salt and drought stresses were started using 30-day-old plants, with 250 mM NaCl and 45 mM PEG (-1.0 MPa) and continued for 12 days. After 12 days under salt and drought conditions, the citrulline contents were increased in the tolerant CU 196 to 25.10  μ mol gDW⁻¹ and 24.10  μ mol gDW⁻¹ for salt and drought stresses, respectively. However, the citrulline contents of the sensitive CU-52 were 11.68  μ mol gDW⁻¹ and 11.76  μ mol gDW⁻¹ for salt and drought, respectively. The striking alteration was obtained in the citrulline accumulation. The tolerant melons accumulated 2 times more citrulline than the sensitive melons. For assessing or screening melon genotypes in a large number of accessions or breeding lines for their tolerance to salinity and drought during their young plant stage, the amount of citrulline accumulation in response to the given treatments might be considered as a novel biochemical indicator of interest in early selection studies.

Citations

May 28, 2016·ACS Infectious Diseases·Gérald Larrouy-MaumusLuiz Pedro S de Carvalho
Mar 1, 2018·Plant & Cell Physiology·Leandro Francisco de OliveiraEny Iochevet Segal Floh
Mar 12, 2019·Journal of Experimental Botany·Tatyana SavchenkoKatayoon Dehesh
Oct 21, 2019·Metabolomics : Official Journal of the Metabolomic Society·Bo Eng CheongRudy Dolferus
May 1, 2021·Life·Tatyana Savchenko, Konstantin Tikhonov

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