Detection of AtRKD4 Gene and Induction of Somatic Embryo in Transformant of Phalaenopsis amabilis Carrying 35S::GR::AtRKD4

Sundari, Dika and Perdana, Naufal Ghozi Aditya and Mose, Windi and Gutierrez-Marcos, Jose and Semiarti, Endang (2023) Detection of AtRKD4 Gene and Induction of Somatic Embryo in Transformant of Phalaenopsis amabilis Carrying 35S::GR::AtRKD4. Journal of Tropical Biodiversity and Biotechnology, 8 (2). ISSN 25409573

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Abstract

Phalaenopsis amabilis (L.) Blume is a native of Indonesian orchid that plays important role in the breeding of orchid’s hybrid worldwide. The high consumer demand causes a decline in the population of orchids for commercial trade. Plant propagation through induction of somatic embryogenesis will be very beneficial, because plants can be obtained in large numbers and uniforms. AtRKD4 gene is an important gene in the model plant Arabidopsis thaliana which functions very early in development stage to initiate embryo formation. The AtRKD4 gene has been inserted into the P. amabilis orchid and several transformants have been obtained. This study goals to determine the integration stability of the AtRKD4 gene in the transformant genome of P. amabilis and to induce somatic embryo formation on transformant orchids. Plantation of leaf explants from P. amabilis transformants on hormone-free New Phalaenopsis basic medium induced somatic embryo formation by 20. Anatomical analysis showed that there is no difference stage between anatomy of somatic embryo development pattern in P. amabilis transformant and somatic embryo development pattern of monocot plants in general, four weeks old-somatic embryos were analysed by PCR analysis using AtRKD4 specific primers that showed the embryos still contained 198 bp fragments of the AtRKD4 gene. In conclusion, the AtRKD4 gene is stably integrated in the genome of P. amabilis and can continuously induce the formation of somatic embryo from somatic cells of orchid transformants. Copyright: © 2023, J. Tropical Biodiversity Biotechnology.

Item Type: Article
Additional Information: Cited by: 0; All Open Access, Gold Open Access, Green Open Access
Uncontrolled Keywords: AtRKD4; embryo gene; Arabidopsis thaliana; Phalaenopsis amabilis; somatic embryo
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Biology > Master Program in Biology
Depositing User: Sri JUNANDI
Date Deposited: 06 Nov 2024 08:23
Last Modified: 06 Nov 2024 08:23
URI: https://ir.lib.ugm.ac.id/id/eprint/10785

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