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Drought Tolerance in Transgenic Potato Cultivar IPB CP1 Expressing MmCuZn-SOD Gene

HAYATI Journal of Biosciences · Vol. 32 No. 5 (2025) · hlm. 1377–1386

DOI
10.4308/hjb.32.5.1377-1386
ISSN
2086-4094, 1978-3019
Terbit
2025-06-16
Penerbit
Bogor Agricultural University, Indonesia
Bahasa
eng

Abstrak

Drought stress induces reactive oxygen species (ROS) accumulation, which is harmful to plant cells. Consequently, it inhibits plant growth and decreases yield. The enzyme superoxide dismutase (SOD), which is encoded by the SOD gene, is the first defence enzyme in the cells that detoxify ROS. The study aimed to analyze the tolerance of transgenic potato cultivar IPB CP1 and its yield under drought-stress conditions. The results showed that transgenic plants had superior morphological characteristics, such as plant height, number of leaves, stem diameter, and plant biomass, than non-transgenic plants. However, photosynthetic rate, chlorophyll content, stomatal conductance, and transpiration rate showed similar levels between the transgenic and non-transgenic plants. The transgenic plants expressing the MmCu/Zn-SOD gene showed lower lipid peroxidation levels than the non-transgenic plants, indicating that the gene works well to reduce the cell's ROS level. Transgenic plant clone CP1S6 showed 13 times higher gene expression and tuber yield than non-transgenic plants. These research indicated that the transgenic plants expressing the MmCu/Zn-SOD gene are more tolerant to drought stress than the non-transgenic plants.

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  • IPB University
  • State University of Makassar
  • Universitas Nusa Bangsa
  • Universitas Islam Negeri Maulana Malik Ibrahim
  • Indonesia Defense University
  • University of Indonesia
  • Indonesian Institute of Sciences
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Rekan penulisOrganisasiArtikel bersama
Suharsono SuharsonoIPB University3
İman RusmanaIPB University2
Ence Darmo Jaya SupenaIPB University2
Deden SaprudinIPB University2
Triadiati TriadiatiIPB University2
Utut WidyastutiIPB University2
Windarti WahyuningtyasIPB University2
Aris Tri WahyudiIPB University2
Miftahul Huda FendiyantoIndonesia Defense University2
Miftahudin MiftahudinIPB University2
Jamilatus Sa’diyahState University of Makassar1
Besse KhalidatunnisaState University of Makassar1
Dewi Sartika AAfiliasi tidak diketahui1
Dian HendrayantiUniversity of Indonesia1
Dwi Andreas SantosaIPB University1
Himmah RustiamiNational Research and Innovation Agency1
Tatik ChikmawatiIPB University1
I Putu Gede P. DamayantoIndonesian Institute of Sciences1
Luluk SetyaningsihUniversitas Nusa Bangsa1
Didy SopandieIPB University1
Sri Wilarso BudiIPB University1
Yadi SetiadiIPB University1
Erina SulistianiSoutheast Asian Regional Centre for Tropical Biology1
Rani AprianiIPB University1
Yohana C SulistyaningsihAfiliasi tidak diketahui1
BEKTI KURNIAWATIAfiliasi tidak diketahui1
Juliarni JuliarniUniversitas Rokania1
Nurlaela NurlaelaAfiliasi tidak diketahui1
Violita ViolitaIPB University1
Iswandi AnasIPB University1
Yuli Siti FatmaIPB University1
Luluk SetyaningsihUniversitas Nusa Bangsa1
Lutfiani LutfianiIPB University1
Putri Nur Azizah HutagalungIPB University1
Hadisunarso HadisunarsoIPB University1
Hirmas Fuady PutraIPB University1

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Sumber metadata: OAI-PMH (metadata jurnal) http://journal.ipb.ac.id/index.php/hayati/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Drought Tolerance in Transgenic Potato Cultivar IPB CP1 Expressing MmCuZn-SOD Gene</dc:title>
	<dc:creator xml:lang="en">Musawira</dc:creator>
	<dc:creator xml:lang="en">Tjahjoleksono, Aris</dc:creator>
	<dc:creator xml:lang="en">Hamim, Hamim</dc:creator>
	<dc:creator xml:lang="en">Miftahudin, M.</dc:creator>
	<dc:description xml:lang="en">Drought stress induces reactive oxygen species (ROS) accumulation, which is harmful to plant cells. Consequently, it inhibits plant growth and decreases yield. The enzyme superoxide dismutase (SOD), which is encoded by the SOD gene, is the first defence enzyme in the cells that detoxify ROS. The study aimed to analyze the tolerance of transgenic potato cultivar IPB CP1 and its yield under drought-stress conditions. The results showed that transgenic plants had superior morphological characteristics, such as plant height, number of leaves, stem diameter, and plant biomass, than non-transgenic plants. However, photosynthetic rate, chlorophyll content, stomatal conductance, and transpiration rate showed similar levels between the transgenic and non-transgenic plants. The transgenic plants expressing the MmCu/Zn-SOD gene showed lower lipid peroxidation levels than the non-transgenic plants, indicating that the gene works well to reduce the cell's ROS level. Transgenic plant clone CP1S6 showed 13 times higher gene expression and tuber yield than non-transgenic plants. These research indicated that the transgenic plants expressing the MmCu/Zn-SOD gene are more tolerant to drought stress than the non-transgenic plants.</dc:description>
	<dc:publisher xml:lang="en">Bogor Agricultural University, Indonesia</dc:publisher>
	<dc:date>2025-06-16</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://journal.ipb.ac.id/hayati/article/view/62054</dc:identifier>
	<dc:identifier>10.4308/hjb.32.5.1377-1386</dc:identifier>
	<dc:source xml:lang="en">HAYATI Journal of Biosciences; Vol. 32 No. 5 (2025): September 2025; 1377-1386</dc:source>
	<dc:source>2086-4094</dc:source>
	<dc:source>1978-3019</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://journal.ipb.ac.id/hayati/article/view/62054/30956</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Musawira, Aris Tjahjoleksono, Hamim Hamim, M. Miftahudin</dc:rights>
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