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KEANEKARAGAMAN ENZIM INVERTASE, PENGEMBANGAN STRAIN UNGGUL DAN TEKNOLOGI PRODUKSINYA Sanjaya, Wilhelmus Terang Arga; Giyanto, .; Widyastuti, Rahayu; Santosa, Dwi Andreas
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 7 No. 1 (2020): June 2020
Publisher : Balai Bioteknologi, Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1328.71 KB) | DOI: 10.29122/jbbi.v7i1.3705

Abstract

Invertase Diversity, Novel Strain and Production Technology DevelopmentInvertase or β-fructofuranosidase (E.C.3.2.1.2.6) have been a valuable enzyme in food industry, so that research about enhancing invertase activity on an industrial scale has been reported massively. So far, the production of the invertase enzyme is highly dependent on the potential activity of the invertase enzyme derived from microorganisms. The development of enzyme production technology is also a concern in invertase research to obtain an efficient and inexpensive production system. So far, various developments in enzyme production technology and enzyme utilization have been carried out, including various innovations in immobilizing and increasing the stabilization of the invertase enzyme during the production process. The development of superior strains and enzyme production technology continues amid the discovery of the latest approaches such as genetic engineering, protein modification, and nanotechnology. This paper aims to discuss invertase variation from various organisms, its correlation to novel microbial strain development to increase invertase production and invertase enzyme production technologies development including immobilization technology and stabilization of invertase enzymes.Keywords: β-fructofuranosidase, ezyme production, fermentation, immobilitation, invertase geneABSTRAKInvertase atau β-fructofuranosidase (E.C.3.2.1.2.6) merupakan enzim yang sangat penting dalam dunia industri pangan sehingga berbagai optimasi aktivitas enzim untuk produksi dalam skala industri terus dilakukan. Produksi enzim invertase hingga sejauh ini sangat bergantung oleh potensi aktivitas enzim invertase yang diambil dari mikroorganisme. Selain itu, pengembangan teknologi produksi juga menjadi perhatian dalam pengembangan produksi dan pemanfaatan enzim untuk mendapatkan sistem produksi yang efisien dan murah. Sejauh ini berbagai pengembangan teknologi produksi enzim dan pemanfaatan enzim telah dilakukan, diantaranya dengan berbagai inovasi dalam melakukan imobilisasi dan peningkatan stabilisasi enzim invertase selama proses produksi. Pengembangan strain unggul dan teknologi produksi enzim terus dilakukan di tengah ditemukannya pendekatan-pendekatan terkini seperti rekayasa genentika, modifikasi protein, dan teknologi nano. Artikel ini bertujuan untuk membahas variasi enzim invertase dari berbagai organisme, korelasi pengembangan strain mikrobia unggul terhadap peningkatan produksi enzim invertase, dan perkembangan teknologi produksi enzim invertase meliputi teknologi imobilisasi dan stabilisasi enzim invertase.
Effect Carrier Materials of Bradyrhizobium sp. strain PZS_A08 on Growth of Indigofera zollingeriana Sanjaya, Wilhelmus Terang Arga; Kartika, Sari Yulia; Sukmadewi, Desak Ketut Tristiana; Widyastuti, Rahayu; Anas, Iswandi
JOURNAL OF TROPICAL SOILS Vol. 26 No. 2: May 2021
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2021.v26i2.95-103

Abstract

Sustainable forage production is needed to meet animal feed needs as the livestock industry increases. The purpose of this study is to evaluate the effect of liquid and solid carrier material on the effectiveness and infectivity of Bradyrhizobium sp. strain PZS_A08 on the growth of Indigofera zollingeriana (I. zollingeriana). The two carrier materials used were zeolite (solid) and molasses (liquid). This study used two carrier materials consisting of zeolite (solid) and molasses (liquid). The five treatments given were P0 (50% NPK), P1 (50% NPK+liquid biofertilizer), P2 (50% NPK+sterile liquid biofertilizer), P3 (50% NPK+solid biofertilizer), P4 (50 % NPK+sterile solid biofertilizer), P5 (100% NPK). Observations were made on the plant's height, number of leaves, number of nodules, upperparts and root wet biomass, root and upper parts dry biomass, root length, and microbial population). The use of liquid and solid carrier materials effectively affected the effectiveness and infectivity of Bradyrhizobium sp. strain PZS_A08 on  I. zollingeriana. Inoculants Bradyrhizobium sp. strain PZS_A08 significantly increased plants' growth and reduced the use of 50% NPK fertilizer. Cold storage temperature (5ºC) effectively maintained Bradyrhizobium sp. strain PZS_A08 on liquid and solid carriers, while solid carriers showed better effectiveness at room temperature storage (30oC). Through this research, solid carriers such as zeolite are recommended as carriers for Bradyrhizobium sp. filter PZS_A08.