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Balai Pengkajian Teknologi Pertanian Papua Barat Jl. Jl. Yahim No.49 Sentani Jayapura 99352 Kotak Pos 256 Sentani
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Teaching of Reading through PowToon: Practices and Students’ Attitude Vonti, Lungguh Halira; Sutisna, Entis; Wahyuni, Asih
Jurnal Pendidikan Progresif Vol 10, No 3 (2020): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

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Abstract

Technology has been in active use for a long time particularly in higher educational institutions. Mainly, technology provides various opportunities to enhance students’ performance to language learning. This present paper discusses the implementation and integration a technologyengagement teaching strategy with the aid of PowToon by focusing on students’ vocabulary mastery and their reading comprehension. This study presents the teaching practices that occur through such an activity by applying Powtoon as a multimodal learning tool to enhance students’ vocabulary mastery and reading comprehension. In addition, in the second section of this paper, this paper presents the students’ attitude toward the teaching of reading through Powtoon. This paper concludes with comments about both the extent of Powtoon as a multimodal learning tool and about the future of teaching reading comprehension through technology in a multimodal world. Keywords: technology, language learning, PowToon. DOI: http://dx.doi.org/10.23960/jpp.v10.i3.202015
Selection of Potential Lignin-Degrading Bacteria and Fungi Isolates from the Gunung Lumut and Sungai Wain in East Kalimantan Ruhimat, Riki; Kumala Dewi, Tirta; Noviana, Zahra; Sutisna, Entis; Mulyani, Nani; Juwari, Micha; Sufaati, Supeni; Antonius, Sarjiya; Verchius, Eric
Biosaintifika: Journal of Biology & Biology Education Vol. 17 No. 1 (2025): April 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v17i1.14755

Abstract

The enzymes laccase (Lac), manganese peroxidase (MnP), and lignin peroxidase (LiP) are ligninolytic enzyme groups that have a crucial role in degrading lignin compounds. These complex components are abundant in plant biomass. This research aims to isolate and characterize microorganisms producing the enzymes Lac, MnP, and LiP from leaf litter, rhizosphere soil, and sediment in the Gunung Lumut Protected Forest (GLPF) and Sungai Wain Protected Forest (SWPF), East Kalimantan. The bacterial and fungal isolates obtained were cultured on NA and PDA media enriched with 0.05% guaiacol as a substrate. Initial selection was carried out based on the colony growth rate and the formation of a brownish discoloration zone, which indicates ligninolytic enzyme activity. The superior isolates were then tested for extracellular enzyme activity quantitatively using a UV-Vis spectrophotometer. Among the bacterial isolates, the highest Lac activity is isolated GLS 5.1.2 (173.44 U L-1); the highest MnP activity is isolated GLS 5.3 (177.41 U L-1); and the highest LiP activity is isolated GLS 5.1.2 (1034.05 U L-1). In the group of fungi, isolate SS2 was detected with the highest Lac activity (20.66 U L-1), MnP activity (333.75 U L-1), and LiP activity (2516.13 U L-1). Biodiversity sources in the Gunung Lumut Protected Forest (GLPF) and Sungai Wain Protected Forest (SWPF), East Kalimantan have the potential to produce microbial isolates with unique enzymatic characteristics that have never been reported before. The resulting microbial isolate can be used as a bioactivator in composting organic waste to produce high-quality organic fertilizer.
POTENSI RHIZOBAKTERI DALAM MENDUKUNG PERTUMBUHAN STEK BATANG SINGKONG (Manihot esculenta Crantz) [The Potential of Rhizobacteria in Supporting the Growth of Cassava (Manihot esculenta Crantz ) Stem Cuttings] Nugroho, Agung Adi; Agustiyani, Dwi; Sutisna, Entis; Mulyani, Nani; Dewi, Tirta Kumala; Nditasari, Achirul; Antonius, Sarjiya; Purwaningsih, Sri
Berita Biologi Vol 22 No 3 (2023): Berita Biologi
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/beritabiologi.2023.120

Abstract

Cassava (Manihot esculenta Crantz) is an important food plant in Indonesia, particularly as a carbohydrate source. We require a plan to increase production and quality. The use of Plant Growth Promoting Rhizobacteria (PGPR) in organic fertilizers is one option. The aim of this study is to isolate, characterize, and evaluate potential microbial candidates for cassava greenhouse growth. K solubilizing, P solubilizing, N fixing, IAA production, protease production, ACC-deaminase, and siderophore production were investigated in 15 tuber root rhizobacteria isolates. The bacterial isolates' ability to grow cassava stem cuttings was then assessed. The rhizobacterial inoculation treatments in this study included fifteen single isolates, a combination of isolates, and controls. With three replications, the experimental design was completely randomized. Five P-solubilizing bacterial isolates (PK AL.2.2, PK LAS 4A.4, PK 4.1, PK Al.2.6, PK Kbm 6.1), two protease-producing isolates (Pro LAS 4B.6 and Pro LAS 5A.3), and one IAA-producing isolate (TSB LAS 1A.6) increased wet plant weight by 20-41% as compared to controls. The results of molecular identification of the six excellent isolates were Burkholderia sp. (PK AL.2.2), Paenarthrobacter nicotinovorans (Pro LAS 4B.6), Burkholderia territorii (PK 4.1), Burkholderia cenocepacia (Pro LAS 5A.3), Burkholderia territorii (PK LAS 4A.4), and Kocuria rhizophila (TSB LAS 1A.6).
Co-Authors Abdul Hafid Achirul Nditasari Agung Adi Nugroho, Agung Adi Ahmad Supriyanto, Ahmad Akib, Muhammad Akhsan Albart, Nicko Andriyani, Aan Ansaar, Ansaar Arismika, Ihda Ulfah Asih Wahyuni Caswanda, Caswanda Dewi, Tirta Kumala Diki Gita Purnama, Diki Gita Dwi Agustiyani Evant, Iaro Farwati, Dea Zahra Fayaqun, Reza Gusnadi, Gusnadi Hartiwi, Ani Iyan Irdiyansyah Juwari, Micha Kartim Kautsar Riza Salman Kumala Dewi, Tirta Mariana, Eva Muhammad Yamin Noch Mulyani, Nani Nur Utami Sari’at Kurniati Rahmah, Mursidah Reza Amarta Prayoga Ruhimat, Riki sahajuddin, sahajuddin Saputra, Kasdar El Ade Sarjiya Antonius Saroni, M. Septyana Prasetianingrum Solly Aryza Sri Purwaningsih Sritimuryati, Sritimuryati Suhendra, Elwin Sumarno . Supeni Sufaati Syatrawati Tutik Kuswinanti Verchius, Eric Vonti, Lungguh Halira Yaya Sonjaya Yayat Hidayat Zahra Noviana