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All Journal HAYATI Journal of Biosciences Journal of Tropical Crop Science Jurnal Ilmiah Wahana Pendidikan Danadyaksa Historica
Pahlevi, M Reza
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Religion Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Social Sciences Other

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Masuknya Inggris ke Australia dan Dampaknya Bagi Suku Aborigin Putri, Zuliani; Pahlevi, M Reza
Danadyaksa Historica Vol 2, No 2 (2022): Danadyaksa Historica
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jdh.v2i2.5664

Abstract

Artikel ini memakai metode penelitian kepustakaan. Studi kepustakaan ialah metode pengumpulan data dengan metode mereview buku, dokumen, catatan, serta berbagai macam laporan yang berhubungan dengan permasalahan yang hendak diteliti. Penelitian ini bertujuan untuk mengetahui peristiwa masuknya Inggris ke Australia, serta dampak bagi kelangsungan hidup suku Aborigin. Bangsa Eropa yang pertama kali membuka rute pelayaran ke benua Australia adalah Potugis, yang melakukan pelayaran samudera pada tahun 1511. Pada tahun 1606, Spanyol juga menjadi salah satu bangsa Eropa yang membuka rute pelayaran untuk menemukan benua Australia. Setelah rute pelayaran tersebut terbuka bangsa Eropa lainnya juga mulai melakukan pelayaran untuk menemukan benua Australia. Salah satu bangsa Eropa yang melakukan pelayaran untuk menemukan benua Australia adalah Belanda. Para pendatang tidak mengakui adannya suku-suku pribumi di Australia dan hanya memandang Australia sebagai daerah yang tidak berpenghuni (terra nullius). Sedangkan, bagi suku-suku pribumi terutama bagi suku Aborigin, para pendatang tersebut dianggap sebagai penajah, sebagai ancaman yang mengambil wilayah tersebut. Bagi suku Aborigin wilayah Australia adalah milik mereka, karena mereka telah menempati wilayah tersebut selama ribuan tahun.
Respons Siswa Terhadap Komunikasi Nonverbal di Kelas EFL Candra, Jos Luise; Miftakh, Fauzi; Pahlevi, M Reza
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 25 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10427533

Abstract

The objective of this study is to describe various students' responses to teachers’ nonverbal communication in the EFL classroom. The study employs descriptive case study as the research method. Conducted in a Vocational High School in Karawang, this research involves three in-service EFL teachers and 75 students of three different classrooms. These three classroom interactions were observed, questionnaires were administered to students, and participants were interviewed. The data is then generalized and analyzed with thematic analysis. This study concluded that five nonverbal types were used by teachers; these five nonverbal types were kinesics, vocalics, oculesics, haptics, and proxemics. And students are responding to each in positive but different ways; kinesics and vocalics are used to prompt participation; oculesics and haptics are used to eliminate distractions; and proxemics were used to promote interaction.
Panicle Trait Diversity and Its Impact on the Productivity of Indonesian Foxtail Millet (Setaria italica L. Beauv.) Genotypes Luthfiani, Marisa Vidya; Pahlevi, M Reza; Purwoko, Bambang Sapta; Ardie, Sintho Wahyuning
HAYATI Journal of Biosciences Vol. 33 No. 3 (2026): May 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.3.566-574

Abstract

Foxtail millet is a climate-resilient cereal crop that is growing in importance in food security and sustainable agriculture. This study aimed to identify panicle traits associated with yield, determine functional traits suitable for selecting high-productivity genotypes, and classify superior local Indonesian foxtail millet genotypes. Eight genotypes were evaluated using a randomized complete block design with three replications. Correlation analysis of 31 panicle traits revealed that grain filling rate, panicle weight, grain weight per panicle, grain weight per plant, and grain numbers on the middle and lower primary branches were positively associated with yield. Several of these traits also exhibited high broad-sense heritability and moderate GCV and PCV values, indicating their potential for selection. Principal component and two-way heatmap cluster analyses identified Buru, ICERI-7, Hambapraing, and Mauliru-2 as high-yielding genotypes. The findings provide critical insights for foxtail millet breeding programs in Indonesia focused on improving yield.
Characterization of Lignin Biosynthesis Encoding Gene, SiCOMT, from Nine Indonesian Foxtail Millet (Setaria italica (L.) P. Beauv.) Genotypes Rizqullah, Ramadaniarto; Saenal, Nirwanti; Pahlevi, M Reza; Suwarno, Willy Bayuardi; Tsugama, Daisuke; Ardie, Sintho Wahyuning
HAYATI Journal of Biosciences Vol. 33 No. 3 (2026): May 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.3.575-583

Abstract

Caffeic acid O-methyltransferase (COMT) is an essential enzyme that catalyzes the biosynthesis of lignin monomer units. Foxtail millet (Setaria italica) possesses three COMT-encoding genes. However, only SiCOMT1 and SiCOMT2 are considered expressed. This study investigates the characteristics of the two COMT-encoding genes across nine Indonesian foxtail millet genotypes. Phylogenetic analysis revealed that SiCOMT1 is closely related to N-methyltransferase genes, which are not involved in the lignin biosynthesis pathway. Meanwhile, SiCOMT2 is closely related to O-methyltransferase genes involved in lignin biosynthesis. SiCOMT2 from nine Indonesian foxtail millet genotypes exhibits 15 synonymous and three non-synonymous SNPs. SiCOMT2 amino acid showed Ala67Thr and Pro72Ala variations within the methyltransferase dimerization domain, and Glu146Asp within the O-methyltransferase domain. Among these, the Pro72Ala substitution is predicted to reduce the structural stability of the encoded protein. These findings suggest that SiCOMT2 may serve as a promising target for future genetic research and crop improvement strategies aimed at enhancing biomass quality by modifying lignin content and composition.
Improved Performance of SiDREB2-SNAP Marker in Foxtail Millet by Optimum Primer Concentration, PCR Cycle, and DNA Polymerase Specificity Wospakrik, Andrean Heskiel; Rizqullah, Ramadaniarto; Pahlevi, M Reza; Yudiansyah, Yudiansyah; Purwoko, Bambang Sapta; Suwarno, Willy Bayuardi; ARDIE, Sintho Wahyuning
Journal of Tropical Crop Science Vol. 13 No. 01 (2026): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.13.01.103-113

Abstract

Foxtail millet (Setaria italica L. Beauv.) is an emerging carbohydrate-producing crop. It is considered a climate-resilient crop due to its tolerance to abiotic stresses. Breeding for abiotic-tolerant crops requires powerful tools such as molecular markers. The single-nucleotide amplified polymorphism (SNAP) marker, developed from a single-nucleotide DNA variation at a specific location in the plant genome, is a simple yet powerful PCR-based marker widely used in phenotype-related selection. A SiDREB2-based SNAP marker was previously developed based on a base variation at the 558th base pair (an A/G transition) in the SiDREB2 gene and used to estimate the drought tolerance in foxtail millet. However, the specificity of the marker depends on technical aspects, including the type of DNA polymerase used, primer concentration, and the number of PCR cycles. Here, we reported that non-specific and false positive amplicons can be eliminated by utilizing DNA polymerase with no 3’ to 5’ proofreading activity and reducing the final primer concentration to 1.25 μM. PCR cycle number 25 yielded the optimum specificity, while increasing the cycle to 30 resulted in false positive results. Altogether, our results showed that technical optimization is necessary for improving the specificity of the SNAP marker.
Co-Authors Bambang Sapta Purwoko Candra, Jos Luise Fauzi Miftakh Luthfiani, Marisa Vidya Putri, Zuliani Rizqullah, Ramadaniarto Saenal, Nirwanti Sintho Wahyuning Ardie Tsugama, Daisuke Willy Bayuardi Suwarno Wospakrik, Andrean Heskiel Yudiansyah Yudiansyah