A novel phytoene synthase paralog from halophytic Salicorniaconfers salinity tolerance in plants

Rehman, Nazia; Khan, Muhammad Ramzan; Ali, Ghulam Muhammad

doi:10.3906/bot-1605-18

Turk J Bot

2017

DOI: 10.3906/bot-1605-18

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A novel phytoene synthase paralog from halophytic Salicorniaconfers salinity tolerance in plants

Nazia Rehman¹,

Muhammad Ramzan Khan²,

Ghulam Muhammad Ali³

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2022

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Molecular Basis of Unique Branching Phenotypes in Salvia splendens and the Role of PSY

Peipei¹,

Wang²,

Li³

et al. 2022

Phyton

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The branching system of higher plants plays a very important role in plant morphogenesis, and the number of branches can directly affect crop yield and the ornamental value of plants. It is a complicated development process involving complex molecular mechanisms. The 'Cailinghong' variety of Salvia splendens is characterized by its great branching ability with the ability to grow into a spherical form naturally, without pinching. To gain insight into the molecular events during the branching development of S. splendens, suppressive subtractive hybridization (SSH) technology was used to screen differentially expressed genes between the erect plant type (strain 35) and the spherical plant type ('Cailinghong'). In total, 96 and 116 unigenes were annotated. Four and eight unigenes up-regulated in 'Cailinghong' and strain 35, respectively, were associated with plant hormone anabolism and signal transduction, suggesting that they participate in the branching process. One of these genes, phytoene synthase (PSY), is a precursor of the new plant hormone group strigolactones. Using the PSY fragment (192 bp) as a template, the cDNA sequence of PSY in S. splendens was cloned and named SsPSY. A relative expression analysis and transgenic test results indicated that SsPSY plays an important role in lateral branch development in 'Cailinghong'. These results provide new insight into the molecular mechanisms underlying branching in S. splendens.

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Molecular Basis of Unique Branching Phenotypes in Salvia splendens and the Role of PSY

Peipei¹,

Wang²,

Li³

et al. 2022

Phyton

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show abstract

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A novel phytoene synthase paralog from halophytic Salicorniaconfers salinity tolerance in plants

Cited by 1 publication

References 35 publications

Molecular Basis of Unique Branching Phenotypes in Salvia splendens and the Role of PSY

Molecular Basis of Unique Branching Phenotypes in Salvia splendens and the Role of PSY

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