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All Journal Jurnal Ilmu Pertanian Indonesia Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Kesehatan Andalas Jurnal Teknik Sipil BERITA BIOLOGI JURNAL BIOLOGI INDONESIA Jurnal Bioteknologi & Biosains Indonesia (JBBI) Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology Jurnal Kimia Terapan Indonesia ANNALES BOGORIENSES OLDI (Oseanologi dan Limnologi di Indonesia) Marine Research in Indonesia Jurnal Riset Biologi dan Aplikasinya Pharmaceutical Sciences and Research (PSR) Makara Journal of Science Annales Bogorienses
PUSPITA LISDIYANTI
Pusat Penelitian Bioteknologi, Lembaga Ilmu Pengetahuan Indonesia (LIPI)
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Veterinary

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Journal : Annales Bogorienses

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EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 18 No. 1 (2014): Annales Bogorienses
Publisher : BRIN

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Role of Lactobacillus helveticus on Flavor Formation in Cheese: Amino Acid Metabolism Widyastuti, Yantyati; Lisdiyanti, Puspita; Tisnadjaja, Djadjat
Annales Bogorienses Vol. 18 No. 1 (2014): Annales Bogorienses
Publisher : BRIN

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Lactic acid bacteria, mainly lactobacilli, play an important role in cheese making. Their role can be divided into starters and non-starters or secondary microorganisms. Lactobacillus helveticus, an obligately homofermenter and thermophilic bacterium, has unique properties as a starter because of its ability to induce strong impact on cheese flavor. The bacteria are known to be prototrophic for 5 amino acids and auxotrophic for 13 amino acids. It is interesting that the conversion of aromatic amino acids, branch chain amino acids, and methionine into volatile and nonvolatile compounds by L. helveticus is thought to represent the rate-limiting step in the formation of mature flavor and aroma in cheese. The addition of a highly autolytic L. helveticus to a starter system could significantly increase the formation of flavor precursor and some volatile compounds during cheese ripening. This article focuses on the contribution of L. helveticus to flavour compound formation in cheese with particular emphasis on amino acid metabolism.
EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 18 No. 2 (2014): Annales Bogorienses
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Enhancement of β-Glucosidase Activity in Penicillium sp. by Random Mutation with Ultraviolet and Ethyl Methyl Sulfonate Syafriana, Vilya; Nuswantara, Sukma; Mangunwardoyo, Wibowo; Lisdiyanti, Puspita
Annales Bogorienses Vol. 18 No. 2 (2014): Annales Bogorienses
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The genus Penicillium has a potential ability to produce β-glucosidase. The aim of the study was to improve the β-glucosidase activity of Penicillium sp. ID10-T065 with physical (Ultraviolet = UV), chemical (Ethyl Methyl Sulfonate = EMS), and combined mutation (UV-EMS). The spores of Penicillium sp. ID10-T065 were exposed into UV irradiation for 3 minutes with dose of 0.1 J/cm2 and 13 cm of distances. Chemical mutation was done by treated spores into 3% of EMS solution for an hour. Combined mutation of UV and EMS were also performed by UV for 3 minutes (0.1 J/cm2, 15 cm) and continued with soaking into 2-3% of EMS solution. The developed mutants were screened, selected and assayed. Comparison of enzyme activities with the wild- type (1.78 U/ml), mutant UV13 (5.53 U/ml) showed a 3.1 fold increase; mutant EM31 (4.26 U/ml) showed a 2.4 fold increase. Meanwhile, mutant UM23 obtained from the multiple exposures showed a decreased activity (1.75 U/ml). Mutant UV13 showed the best enzyme activity to be considered as a potential strain for β-glucosidase producer. This result needs to be further elaborated especially on its genetic stability studies in order for the ascertained as a stable mutant.
EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 19 No. 1 (2015): Annales Bogorienses
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EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 19 No. 2 (2015): Annales Bogorienses
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Improvement of Endoglucanase Activity in Penicillium oxalicum ID10-T065 Mutated by Ultra Violet Irradiation and Ethidium Bromide Caniago, Asnany; Mangunwidjaja, Wibowo; Nuswantara, Sukma; Lisdiyanti, Puspita
Annales Bogorienses Vol. 19 No. 2 (2015): Annales Bogorienses
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Penicillium sp. is known as a filamentous fungus that produces complete cellulase. This study aims to improve endoglucanase activity of Penicillium oxalicum ID010-T065 by mutation with ultra violet irradiation (with dose of 0.1 J/cm2, 15 cm), ethidium bromide (10 μg/mL, 1 hour) and combination of both mutagens. The endoglucanase activity of all mutants was higher than that of the wild type (1.03 U/mL). Mutant UVEB-42 exposed to combine mutation showed the highest endoglucanase activity (2.76 U/mL) with a 2.70 fold increase. Mutant EB-45 (1.83 U/mL) exposed to ethidium bromide solution showed a 1.8 fold increase. Mutant UV-13 (1.72 U/mL) exposed to UV irradiation for 3 minutes showed a 1.7 fold increase. All mutants have optimum endoglucanase activity at 50 °C. Mutant UVEB-53 showed the highest thermostability by retaining 86 % of endoglucanase activity at 90 °C. The gene analysis of the endoglucanase I gene (eg1) showed 3 bases mutation in mutant UV-13 and UVEB-53 that changed proline to serine. Mutant EB-45 showed 4 mutated bases that changed valine to glysine and proline to serine. Two bases mutation in Mutant UVEB-53 changed proline to serine. Bases mutation which is occured in eg1 gene could influence the enhance of endoglucanase activity in mutant.
EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 24 No. 2 (2020): Annales Bogorienses
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EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 24 No. 1 (2020): Annales Bogorienses
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EDITOR'S PREFACE Lisdiyanti, Puspita
Annales Bogorienses Vol. 23 No. 2 (2019): Annales Bogorienses
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Co-Authors - Yopi Abd. Rasyid Syamsuri ADE ANDRIANI Adi Santoso Agustinus Robert Uria Ahmad Thontowi Akhmad Rivai ANDI UTAMA Andi Utama ANDO KATSUHIKO Apriliana, Pamella Ariani Hatmanti Ario Betha Juanssilfero Ashadi Sasongko Atikana, Akhirta Caniago, Asnany Caniago, Asnany Desriani Desriani Desriani Desriani Dewi Seswita Zilda dinihari indah kusumawati Dwi Wulandari Elvi Yetti Endang Saepudin, Endang Endang Sukara Erdiansyah Rezamela, Erdiansyah Fahrurrozi Fahrurrozi Fahrurrozi Fahrurrozi GINA KARTINA Herman Suryadi JAKA WIDADA KATSUHIKO ANDO Krause, Janina Kusharyoto, Wien Kusharyoto, Wien Kusumawardhani, Dinihari Indah Kusumawati, Dinihari Indah Kusumawati, Dinihari Indah Lina Elfita Lina Elfita LINDA SUKMARINI M. Iqbal Prawira-Atmaja, M. Iqbal Mangunwidjaja, Wibowo MARIA BINTANG Maulidia, Faiqoh Nur Meliah, Siti Meliah, Siti Mia Kusmiati Miranti Nurindah Sari, Miranti Nurindah MISA OTOGURO Mochammad Imron Awalludin Mulyorini Rahayuningsih Nadhifah, Hana NANIK RAHMANI Nanik Rahmani Neneng Hasanah Neng Herawati, Neng Ni Luh Putu Vidya Paramita Nurul Fitri Sari Nuryana, Isa Prasetyoputri, Anggia Pratama, Rendy Eka Prayoga, Muhammad Bagas Putra, Filemon Jalu Nusantara Putra, Masteria Yunovilsa Putri, Ade Lia Putri, Ade Lia Restu Wulansari, Restu Riyona Desvy Pratiwi, Riyona Desvy ROHMATUSSOLIHAT ROHMATUSSOLIHAT RONI RIDWAN Seprianto, Seprianto Shanti Ratnakomala Shanti Ratnakomala SHANTI RATNAKOMALA Siti Meliah Subagus Wahyuono Suharsono Suharsono Sukma Nuswantara Susanti, Agustina Eko Syafriana, Vilya Tisnadjaja, Djadjat Tisnadjaja, Djadjat Titik Nuryastuti TOMOHIKO TAMURA Toto Iswanto TRI RATNA SULISTIYANI Triana Hertiani Trisanti Anindyawati, Trisanti Tutik Murniasih Ukhradia Maharaniq Safira Untari, Febriana WIBOWO MANGUNWARDOYO Yana Rubiyana, Yana Yantyati Widyastuti Yopi Y YOPI YOPI Yopi Yopi Yopi, YULIN LESTARI Yusro Nuri Fawzya