Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis

Tripogon loliiformis, an Australian native resurrection grass having an abundant gene pool for combating desiccation, can be the putative model system for functional characterization of stress tolerance genes due to its diploid genome and being a monocotyledonous plant and member of the grass family...

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Main Authors: Shukti Rani Chowdhury, Sanzida Hoque, Nahid Akter
Format: Article
Language:English
Published: Elsevier 2020-12-01
Series:Journal of King Saud University: Science
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1018364720303177
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author Shukti Rani Chowdhury
Sanzida Hoque
Nahid Akter
author_facet Shukti Rani Chowdhury
Sanzida Hoque
Nahid Akter
author_sort Shukti Rani Chowdhury
collection DOAJ
description Tripogon loliiformis, an Australian native resurrection grass having an abundant gene pool for combating desiccation, can be the putative model system for functional characterization of stress tolerance genes due to its diploid genome and being a monocotyledonous plant and member of the grass family (Poaceae), like many important cereal crops. For developing callus mediated regeneration from mature grains of Tripogon, Murashige and Skoog medium containing growth regulator, 2,4-dichlorophenoxyacetic acid (2,4-D) at 1.0mgL−1 was the optimum concentration for induction and proliferation of healthy cream calli. Successful regeneration of shoots from callus clumps in MS medium supplemented with 2.0mgL−1 6-benzylaminopurine (BAP) and 0.5mgL−1 α-naphthalene acetic acid (NAA) was obtained from 2 consecutive rounds subculturing of the calli at 3 weeks interval. In addition, rooting needed another 2 rounds within the same media with 2.0mgL−1 BAP but with 0.25mgL−1 NAA. The transient expression of UidA gene at 3 days after Tripogon callus transformation, performed with Agrobacterium tumefaciens strains AGL1 and LBA4404 following rice and Brachypodium distachyon transformation protocols, indicates successful Agrobacterium infection and gene delivery in calli. A stable transformation system for Tripogon loliiformis can be developed near future following the protocols in this study.
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spelling doaj.art-429827bacf62432a8c6151d9e73d30fd2022-12-22T03:01:36ZengElsevierJournal of King Saud University: Science1018-36472020-12-0132834763485Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformisShukti Rani Chowdhury0Sanzida Hoque1Nahid Akter2Corresponding author.; Department of Plant Pathology, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, BangladeshDepartment of Plant Pathology, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, BangladeshDepartment of Plant Pathology, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, BangladeshTripogon loliiformis, an Australian native resurrection grass having an abundant gene pool for combating desiccation, can be the putative model system for functional characterization of stress tolerance genes due to its diploid genome and being a monocotyledonous plant and member of the grass family (Poaceae), like many important cereal crops. For developing callus mediated regeneration from mature grains of Tripogon, Murashige and Skoog medium containing growth regulator, 2,4-dichlorophenoxyacetic acid (2,4-D) at 1.0mgL−1 was the optimum concentration for induction and proliferation of healthy cream calli. Successful regeneration of shoots from callus clumps in MS medium supplemented with 2.0mgL−1 6-benzylaminopurine (BAP) and 0.5mgL−1 α-naphthalene acetic acid (NAA) was obtained from 2 consecutive rounds subculturing of the calli at 3 weeks interval. In addition, rooting needed another 2 rounds within the same media with 2.0mgL−1 BAP but with 0.25mgL−1 NAA. The transient expression of UidA gene at 3 days after Tripogon callus transformation, performed with Agrobacterium tumefaciens strains AGL1 and LBA4404 following rice and Brachypodium distachyon transformation protocols, indicates successful Agrobacterium infection and gene delivery in calli. A stable transformation system for Tripogon loliiformis can be developed near future following the protocols in this study.http://www.sciencedirect.com/science/article/pii/S1018364720303177Tripogon loliiformisResurrection grassRegenerationTransient transformationUidA gene
spellingShingle Shukti Rani Chowdhury
Sanzida Hoque
Nahid Akter
Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
Journal of King Saud University: Science
Tripogon loliiformis
Resurrection grass
Regeneration
Transient transformation
UidA gene
title Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
title_full Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
title_fullStr Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
title_full_unstemmed Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
title_short Optimization of regeneration and Agrobacterium tumefaciens-mediated transient transformation systems for Australian native extremophile, Tripogon loliiformis
title_sort optimization of regeneration and agrobacterium tumefaciens mediated transient transformation systems for australian native extremophile tripogon loliiformis
topic Tripogon loliiformis
Resurrection grass
Regeneration
Transient transformation
UidA gene
url http://www.sciencedirect.com/science/article/pii/S1018364720303177
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AT sanzidahoque optimizationofregenerationandagrobacteriumtumefaciensmediatedtransienttransformationsystemsforaustraliannativeextremophiletripogonloliiformis
AT nahidakter optimizationofregenerationandagrobacteriumtumefaciensmediatedtransienttransformationsystemsforaustraliannativeextremophiletripogonloliiformis