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Peroxidase Isozymes and Proline Content In Relation To Salinity Tolerance in Stevia Plant

Article

Last updated: 01 Jan 2025

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Tags

Crop genetics and breeding

Abstract

Stevia (Stevia rebaudiana) plant is an herbaceous perennial used normally as a natural herbal sweetener .Stevia leaves contain several chemicals called glycosides. These glycosides collectively give 100 to 300 times the sweetness of sucrose and are extracted and refined from plants without chemical or enzymatic modifications. The two main glycosides are Stevioside (traditionally 5-10% of the dry weight of leaves) and Rebaudioside A (2-4%). These glycosides are the sweetest compounds. There are also other related compound including RebaudiosideC (1-2%) and Duclosid A and C as well as minor glycosides including flavonoid glycosides; coumarins; cinnamic acids; phenylpropanoids and some essential oils.
This work aims at investigating the role of isozyme variations and proline content in selection and breeding program for salinity tolerance. To achieve such a purpose four landraces of stevia were kindly obtained from the Institute of Sugar Crops and different salinity stresses were conducted.
However, proline acts as a compatible cytoplasmic solute, balancing an accumulation of salts outside of the cytoplasm. Proline levels in salt-shocked leaves, decreased to near control levels within 24 hours of relief of stress.
 The data observed showed that differential gene expression and recommend the use of physio-genetical biomarkers as useful tool to identify the salinity tolerant genome.

DOI

10.21608/asejaiqjsae.2015.2897

Authors

First Name

Amira

Last Name

khatab

MiddleName

-

Affiliation

Faculty of Education,Majmaah University, kingdom of Saudi Arabia and Institute of Graduate Studies & Research, Alexandria University,Egypt

Email

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City

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Orcid

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Volume

36

Article Issue

JULY-SEPTEMBER

Related Issue

530

Issue Date

2015-09-01

Receive Date

2015-08-18

Publish Date

2015-09-01

Page Start

206

Page End

212

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 36_Issue JULY-SEPTEMBER_Pages 206-212.pdf

PDF . 187.7kB

Link

https://asejaiqjsae.journals.ekb.eg/article_2897.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=2897

Order

2

Type

Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Peroxidase Isozymes and Proline Content In Relation To Salinity Tolerance in Stevia Plant

Details

Type

Article

Created At

22 Jan 2023