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367921

Shoot Apices: Promising Explants for the Regeneration and Transformation of Egyptian Sorghum bicolor Lines throughout the Year

Article

Last updated: 04 Jan 2025

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Abstract

Immature embryos and immature inflorescences represent the best explants for indirect sorghum regeneration. However, obtaining these explants from field or greenhouse-grown plants requires a lengthy cultivation period. Therefore, shoot apices from seedlings offer a great advantage for readily obtaining explants to sustain the demands for gene transformation experiments throughout the year. Here we report a rapid regeneration protocol from seedling shoot apices for two Egyptian sorghum lines; LG1 and LG3. Callus induction media, CIM1 and CIM2, which differ in the concentration of the synthetic auxin 2,4-Dichlorophenoxyacetic acid (2,4-D) and Kinetin (Kin), were indifferent in their capacity to promote callus formation in the two genotypes, however, the response of the two genotypes to callus induction was significantly different. The lowest callus indication percentage and the highest callus induction percentage were 16.60% and 33.65% for LG3 on CIM1 and LG1 on CIM2, respectively. The difference in the regeneration from callus for the two genotypes was non-significant and was as low as 11.29% and as high as 20.15%. Our results show the potential of utilizing these Egyptian sorghum lines in tissue culture for transgenic and gene editing.

DOI

10.21608/jpp.2024.298384.1347

Keywords

Sorghum bicolor, callus induction, Regeneration, growth regulators, shoot tip explants

Authors

First Name

Mohamed

Last Name

Zamzam

MiddleName

Mahmoud

Affiliation

Branch of Genetics, Department of Agricultural Botany, Faculty of Agriculture, Al-Azhar University

Email

mohamedzamzam@azhar.edu.eg

City

Nasr City

Orcid

0000-0001-7317-7825

First Name

Shireen

Last Name

Assem

MiddleName

K.

Affiliation

Department of Plant Molecular Biology, Agricultural Genetic Engineering Research Institute (AGERI), Agricultural Research Center (ARC), Giza, Egypt.

Email

shireen_assem@yahoo.com

City

-

Orcid

-

Volume

15

Article Issue

7

Related Issue

49606

Issue Date

2024-07-01

Receive Date

2024-07-18

Publish Date

2024-07-01

Page Start

379

Page End

381

Print ISSN

2090-3669

Online ISSN

2090-374X

Link

https://jpp.journals.ekb.eg/article_367921.html

Detail API

https://jpp.journals.ekb.eg/service?article_code=367921

Order

4

Type

Original Article

Type Code

887

Publication Type

Journal

Publication Title

Journal of Plant Production

Publication Link

https://jpp.journals.ekb.eg/

MainTitle

Shoot Apices: Promising Explants for the Regeneration and Transformation of Egyptian Sorghum bicolor Lines throughout the Year

Details

Type

Article

Created At

30 Dec 2024