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All Journal Indonesian Journal of Biology Education Jurnal Lempu
Elisa
Universitas Negeri Makassar
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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Penerapan Pendekatan Berdiferensiasi Untuk Meningkatkan Keterampilan Kolaborasi Siswa Kelas V UPT SPF SDI BTN IKIP II Kota Makassar Elisa; Amir Pada; Muhammad Fitri
Lempu PGSD Vol. 1 No. 3 (2024): November
Publisher : Jurusan Pendidikan Guru Sekolah Dasar Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70713/lempu.v1i3.4382

Abstract

Penelitian ini bertujuan untuk mendeskripsikan peningkatan keterampilan kolaborasi peserta didik melalui penerapan pendekatan berdiferensiasi yang dilakukan pada kelas V UPT SPF SDI BTN IKIP II Kota Makassar. Penelitian ini dilakukan di kelas V UPT SPF SDI BTN IKIP II Kota Makassar PADA 22 SISWA. Teknik pengumpulan data yang gunakan adalah metode observasi dan dokumentasi. Jenis penelitian ini adalah penelitian tindakan kelas ( PTK). Hasil dari penelitian menunjukkan bahwa keterampilan kolaborasi peserta didik pada siklus 1 pertemuan I berada pada kriteria cukup, pada pertemuan II berada pada kriteria sedang. Pada siklus II, keterampilan kolaborasi peserta didik pada pertemuan 1 berada pada kriteria baik sedangkan pertemuan 2 berada pada kriteria sangat baik.
DREB Genes as Regulators of Drought Response in Maize: Molecular Mechanisms and Physiological Adaptation Elisa; Nur Awaliah Duprah; Rachmawaty
Indonesian Journal of Biology Education Vol. 9 No. 1 (2026): INDONESIAN JOURNAL OF BIOLOGY EDUCATION
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijobe.v9i1.3745

Abstract

Drought stress is one of the major limiting factors in maize (Zea mays) productivity, affecting the plant’s physiological, metabolic, and molecular processes. One of the important regulators in drought response is the Dehydration-Responsive Element Binding (DREB) gene, which belongs to the AP2/ERF transcription factor family. This article aims to comprehensively review the molecular mechanisms of DREB genes and their effects on the physiological adaptation of maize under drought stress conditions. The method used is a literature study of 35 selected scientific articles published between 2021 and 2026. The results of the review indicate that DREB functions as a central regulator that activates stress-responsive genes by binding to DRE/CRT elements in the promoter region of target genes, through both ABA-dependent and ABA-independent pathways. The activation of DREB contributes to osmotic adjustment, enhancement of the antioxidant system, stabilization of cell membranes, regulation of transpiration, and maintenance of photosynthesis. In addition, DREB genes have significant potential in biotechnology applications, including genetic engineering, utilization of endogenous genes, and as molecular markers in drought-tolerant maize breeding programs. Therefore, DREB represents a key component in the development of drought tolerance improvement strategies based on molecular approaches.
Co-Authors Amir Pada, Amir Muhammad Fitri Nur Awaliah Duprah Rachmawaty, Rachmawaty