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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences The Journal of Experimental Life Sciences (JELS) Journal of Indonesian Tourism and Development Studies Biotropika BERITA BIOLOGI Biosaintifika: Journal of Biology & Biology Education

Serafinah Indriyani

Departement of Biology, Faculty of Mathematics and Natural Sciences, Brawijaya University, Indonesia

Author-ID : 287433

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science Immunology & microbiology Medicine & Pharmacology Neuroscience Social Sciences

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Articles

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The Effect of Gibberellin on Somatic Embryo Growth and Maturation and Plantlet Regeneration of Tangerine (Citrus reticulata Blanco.) var. Batu 55 Firdiana, Elok Rifqi; Indriyani, Serafinah; Widoretno, Wahyu
The Journal of Experimental Life Science Vol. 5 No. 1 (2015)
Publisher : Graduate School, Universitas Brawijaya

The effect of gibberellin at multiplication stage on somatic embryo growth and maturation and plantlet regeneration of tangerine (Citrus reticulata Blanco.) var. Batu 55 was assessed. Somatic embryo at globular phase was cultured on MT media + 30 gL-1 sucrose and various concentrations of gibberellin (0, 2, 4, 6, and 8 ppm). The somatic embryo was maturated on MT media + 500 ppm malt extract + 73 mM sorbitol + 73 mM galactose. Cotyledonary somatic embryo was regenerated into plantlet on MT media + 500 ppm malt extract + 30 gL-1 sucrose + 2 ppm GA3. The results showed that the addition of gibberellin in somatic embryo multiplication stage increased somatic embryo growth and maturation and plantlet regeneration of tangerine. Optimum concentration of gibberellin needed for somatic embryo growth was 4 ppm which yielded two-fold fresh weight compared to control. The percentage of maturation was very low below 5%. The addition of gibberellin in media at embryo multiplication stage slightly increased the percentage of maturation about 1-2%. Thirty percent of cotyledonary embryo was able to regenerate into plantlet. The addition of gibberellin in media at embryo multiplication stage increased the regeneration percentage, even the addition of 8 ppm gibberelline yielded regeneration percentage up to 70%.Keywords: gibberellin, growth, maturation, plantlet regeneration, somatic embryo

Effect of Cell Density and Benzyl Amino Purine on the Growth of Somatic Embryo of Citrus Mandarin Batu 55 (Citrus reticulata Blanco.) in Liquid Culture Februyani, Nawafila; Widoretno, Wahyu; Indriyani, Serafinah
The Journal of Experimental Life Science Vol. 6 No. 1 (2016)
Publisher : Graduate School, Universitas Brawijaya

Citrus mandarin Batu 55 (Citrus reticulata Blanco.) is one of Indonesian fruits commodities that have high economic value and consumers demand. The propagation of citrus mandarin by plant tissue culture generally was carried out on solid medium. The liquid culture system could increase cell multiplication therefore it became alternative method of plant propagation through somatic embryogenesis. The effect of initial cell density and Benzyl Amino Purin (BAP) concentration in liquid media were investigated. The initial cells density and right concentration of BAP given in media can increase cell proliferation of somatic embryo in liquid culture. Globular somatic embryo were cultured on Murashige and Tucker media with initial cell density 4, 6, 8 and 10 mgL-1 and BAP 0, 0.25, 0.5, and 0.75 mgL-1. Growth evaluation of somatic embryo were obtained by weighing fresh and dry weight every 2 weeks for 8 weeks for initial cell density treatment and 6 weeks of BAP treatment. The result of the research showed that cell density affect the growth of somatic embryo of citrus mandarin. Somatic embryo with low cell density showed slower growth compared than high cell density. Peak growth occured in 6th cultured with cell density 10 mgL-1. In addition to cell density, the growth of somatic embryo in liquid culture was affected by BAP. The growth of somatic embryo on the media containing BAP showed better results than without BAP. The highest BAP concentration on media showed fresh and dry weight of somatic embryo increased. In this research, growth of somatic embryo is not optimal yet because fresh and dry weights of somatic embryo still increase with high concentration 0.75 mgL-1 of BAP.Keywords: Benzyl Amino Purine, cell density, citrus mandarin, liquid medium, somatic embryo.

Water and Chlorophyll Content and Leaf Anatomy of Patchouli Planlet (Pogostemon cablin Benth.) Resulted by Shoot-tip Culture Experience Hyperhydricity after Treatment of Modification Ammonium nitrate or Macro salt Concentration on MS medium (Murashige Skoog) Zen, Aisyah Rahmawati; Widoretno, Wahyu; Indriyani, Serafinah
The Journal of Experimental Life Science Vol. 6 No. 1 (2016)
Publisher : Graduate School, Universitas Brawijaya

Hyperhydricity is a symptom of abnormal morphological and physiological function which inhibits the regeneration of plantlets. In general, the main symptom of hyperhydricity is a change in the condition of the plantlets which looks clear (Glassy) as a result of low levels of chlorophyll, the high water content in the plantlets, and the abnormal anatomical structure of the leaves. Hyperhydricity can be controlled by reducing cytokinin concentration, increasing gelling agent concentration, and reducing ammonium nitrate and macro salt concentration on medium. Objective of this research was to reduce hyperhydricity in shoot tip culture of patchouli by modification of ammonium nitrate and macro salt concentration on MS medium. The various treatment concentrations of ammonium nitrate were 0 mg.L-1 (0), 41.25 mg.L-1 (¼ concentration), 825 mg.L-1 (½ concentration), 1650 mg.L-1 (1 concentration) and macro salt MS with 0, ¼ MS, ½ MS, MS with 5 replications. Hyperhydricity on patchouli shoots could be lowered, as indicated by the decrease in water content from 96% to 90-91%, the increase in total chlorophyll content, and the increased number of palisade cells and stomata on the leaf treatment outcome. The concentration treatment of ammonium nitrate showed better results than the concentration of macros salt in increasing the total chlorophyll content, but it did not differ significantly in lowering water levels and increasing the number of palisade cells and stomata. ¼x concentration treatment of ammonium nitrate could increase chlorophyll content of 0.16 to 0.97 mg.g-1, but MS with 1x concentration showed the best result in the increase of number of palisade cells and stomata of the leaves. Keywords: Ammonium nitrate, Hyperhydricity, Macro Salt, Shoot-tip culture.

Phytochemical and Histochemical Screening of Toxic Plant Based on Knowledge of Tengger Tribe in Ngadiwono Village, Pasuruan Oktavia, Anggraeni In; Batoro, Jati; Indriyani, Serafinah
The Journal of Experimental Life Science Vol. 7 No. 1 (2017)
Publisher : Graduate School, Universitas Brawijaya

Around hundreds of plant's species have been confirmed to produce toxic that could endanger the life of human or domestic animals. Some of those plants have potentials to be developed as medicine. The objective of this study is to reveal the secondary metabolite content of toxic plants mentioned by Tengger tribe on Ngadiwono village through phytochemical and histochemical screening test. This study was conducted on Ngadiwono village, Tosari district, Pasuruan Regency. Informants were selected using snowball method by following the information of key person (n informant=14). Plants were selected and collected according to the local knowledge, then was analyzed qualitatively for its secondary metabolite content through phytochemical and histochemical screening test. The results showed that there are 8 plant species categorized as toxic by local people, including Bedor (Girardinia palmata), Kecubung Bunga Kuning (Brugmansia suaveolens), Kecubung Bunga Putih (Brugmansia suaveolens), Jarak (Ricinus communis), Terpasan Kuning (Cestrum elegans), Terpasan Merah (Cestrum elegans), Kudisan (Euphorbia pulcerrima), and Ciplukan (Physalis peruviana). The phytochemical result indicated that all toxic plants mentioned by the local people contain alkaloid substancess, while histochemical test showed that alkaloid substances were found in leaf trichomes, except in Terpasan Merah (Cestrum elegans). Keywords: Fitochemical, Histochemical, Tengger Tribe, Toxic Plant.

Effect of Benzyl Adenine Concentration on Callus Induction of Geranium Plants (Pelargonium graveolens L'Her) from Petiole and Leaf Explants Huda, Moch Faizul; Indriyani, Serafinah; Widoretno, Wahyu
The Journal of Experimental Life Science Vol. 10 No. 1 (2020)
Publisher : Graduate School, Universitas Brawijaya

Geranium plant (Pelargonium graveolens L'Her) is one of the geranium oil producing plants that has many benefits. Callus culture is a technique that can be used to plant multiplication and increase production of secondary metabolites. This study aims to determine the effect of the concentration of Benzyl Adenine on the formation of geranium callus from petiole and leaf explants. Callus induction was carried out by culturing petiole and leaf explants on MS medium + 0.1 mg.L-1 NAA + Benzyl Adenine (0; 0.5; 1; 1.5 and 2 mg.L-1). Callus morphological parameters, percentage of callus formation, and time of first callus formation were observed. The formation of geranium callus influenced by the explant type and the concentration of Benzyl Adenine. In the 2nd week, the geranium callus was initiated, light green colored with a compact callus texture. At 4th week, the percentage of callus formation containing NAA 0.1 mg.L-1 of petiole and leaf explants was 20% and 8%, whereas the percentage of callus formation on medium containing 0.1 mg.L-1 NAA combined with 0.5-2 mg.L-1 Benzyl Adenine of petiole and leaf explants was 52-80% and 24-52%. The best percentage of callus formation was found on the culture medium containing 1 mg.L-1 Benzyl Adenine, equaled 80% of petiole explants, and 52% of leaf explants. Keywords: BA, Callus, Leaf, Petiole, Pelargonium graveolens L'Her.

The Effect of Gamma Irradiation on the Growth and Multiplication of the In Vitro Shoot of Patchouli (Pogostemon cablin Benth.) Banyo, Yunia Efrice Banyo Efrice; Indriyani, Serafinah; Widoretno, Wahyu
The Journal of Experimental Life Science Vol. 10 No. 2 (2020)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2020.010.02.11

The objective of this research was to evaluate the effect of gamma irradiation on shoot growth and multiplication of Patchouli (Pogostemon cablin Benth.) Two weeks-old in vitro shoots were irradiated gamma-ray, at doses of 0, 15, 30, 45, 60, and 75 Gy. The control shoot was not irradiated. The irradiated shoots were cultured on Murashige and Skoog (MS) medium supplemented with 0.1 mg.L-1 NAA and 0.3 mg.L-1 BA and incubated in a growth room for eight weeks at a temperature of 25±2°C. The results showed that the gamma irradiation inhibited the growth and multiplication of shoots. Explants irradiated with high-dose gamma-ray (45-75 Gy) had not formed shoot in four weeks of culture, while 58.3-83.3% of the explants without irradiation or irradiated at low doses 15 and 30 Gy formed shoots. The higher irradiation doses increased percentage of browning explants and reduced the percentage of forming shoots. Within the eight weeks of culture, explant without irradiation was able to form shoots at the percentage of 100% with 24 shoots per explant, while explants irradiated at 15-45 Gy were able to grow form shoots at the percentage of 77.7-95.5%. The high doses-irradiated explants (60 and 75 Gy) were only able to form shoots less than 13-20%, with 2-3 shoots per explant. Keywords: Gamma rays (Gy), in vitro shoot, Pogostemon cablin Benth.

The Effect of Ethyl Methane Sulfonate (EMS) on The In Vitro Shoot Regeneration of Vetiver (Vetiveria zizanioides [L.] Nash) Widoretno, Wahyu; Indriyani, Serafinah
The Journal of Experimental Life Science Vol. 10 No. 3 (2020)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2020.010.03.01

Production of vetiver in Indonesia is low, and its oil quality is not in line with market demand due to the low quality of plant raw materials. In vitro mutagenesis using ethyl methanesulfonate (EMS) has the potential to produce superior vetiver variants. This study aimed to determine the effect of EMS on the growth and shoot formation of in vitro vetiver plants. In vitro mutagenesis was performed by culturing in vitro shoots on MS medium containing EMS with various concentrations (0.02; 0.04; 0.06; 0.08; 0.1%) for 4 weeks. The results showed that the addition of 0.02-0.1% EMS to the medium affected on in vitro shoot growth and the ability to form new shoots. EMS increased the percentage of dead explants and decreased the average number of shoots, the number of shoots formed per explant, and the shoot fresh weight. The higher the EMS concentration in the medium, the smaller the percentage of survived explants and the lower ability to form new shoots with the average number of shoots formed less. The percentage of survived explants on the medium without the addition of EMS and on the medium with the addition of EMS with low concentrations of 0.02 and 0.04% reached 100% with an average number of shoots formed ranging from 8.5-10 shoots/explant. Meanwhile, the percentage of survived explants on medium with the addition of EMS with a high concentration of 0.08-0.1% was only 12.5-25% with an average number of shoots formed was less than 2 shoots/explant.Keywords: EMS, in vitro shoots, Vetiveria zizanioides.

Co-Authors Anggraeni In Oktavia Bagyo Yanuwiadi Banyo, Yunia Efrice Banyo Efrice Catur Retnaningdyah dany wahyu nafriana Dhike Ardhian Dita Fitriana Kusuma Dewi, Dita Fitriana Kusuma Dwiyanti, Dini Elok Rifqi Firdiana, Elok Rifqi Endang Arisoesilaningsih Febi Wahyu Sulistyadi Gustini Ekowati Jamhari Jamhari Jati Batoro Luchman Hakim meilisa dwi ayu novita MOCH. FAIZUL HUDA Mufidatur Rosyidah, Mufidatur Nawafila Februyani Nindya Helvy Pramita Nindyawati, Dwi Lina Putri, Wahyu Kusumayanti Rodiyati Azrianingsih Rodliyati Azriyaningsih Sari, Aprila Kumala Shinta Shinta Trimanto Trimanto Turhadi Turhadi Wahyu Widoretno Wimbaningrum, Retno yuspamella chusnul novemprirenta Zakiyah Zakiyah Zen, Aisyah Rahmawati

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