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Biosaintifika: Journal of Biology & Biology Education
Published by Universitas Negeri Semarang
ISSN : 2085191X     EISSN : 23387610     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Biosaintifika Journal of Biology & Biology Education, an electronic international journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to biological research and biological education.
Arjuna Subject : -
Articles 1,068 Documents
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Phylogenetic Analysis of Polyporous Fungi Collected from Batam Botanical Garden, Riau Province, Indonesia Anis Sri Lestari; Deni Zulfiana; Apriwi Zulfitri; Ni Putu Ratna Ayu Krishanti; Titik Kartika
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 3 (2018): December 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v10i3.5829

Abstract

Botanical gardens are areas that provide protection for trees and other organisms like polyporous fungi. Polyporous fungi are important fungi that degrade remaining lignocellulosic in leaf litter or dead trees. These mycobiota are also noted for their vital role in biorefinery, bioremediation, medicine and phytopathogen. The knowledge of the importance of the polyporous fungi to describe polyporous fungal species is fundamental for generating data base information of their occurrence and their functions. This research’s goal was to explore and characterize the polyporous fungi collected in Batam Botanical Garden in three sampling areas. Fungal samples were collected in May and July 2017. Subsequently, morphological characters were recorded, the fungal tissue was isolated to extract the DNA, then the data sequence was amplified and aligned to construct a phylogenetic tree. Five fungal families found belong to order Polyporales and were classified morphologically. They were Polyporaceae, Ganodermataceae, Fomitopsidaceae, Irpicaceae and Hymenochaetaceae. Three fungal species namely; Pycnoporus sanguineus, Trametes ijubarskii, and Antrodia wangii were identified based on phyllogenetic analysis whereas seven other fungal samples were identified as Earliella scabrosa, Hexagonia tenuis, Polyporus tenuiculus Lenzites betulina, Lentinus concavus, Phellinus rimosus and Hexagonia apiaria. This study classifies and adds fundamental databases on fungal taxonomy and diversity on the fungal organisms found in Batam Botanical Garden. This background data is vital to carry out an advance research in some areas such as bio-chemistry, bio-degradation, pharmacology and biotechnology.
Transformasi α-Pinena dengan Bakteri Pseudomonas aeruginosa ATCC 25923 Nanik Wijayati; Christina Astutiningsih; Suci Mulyati
Biosaintifika: Journal of Biology & Biology Education Vol 6, No 1 (2014): March 2014
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v6i1.2931

Abstract

Indonesia adalah Negara utama yang memproduksi minyak atsiri di dunia. Minyak terpentin adalah minyak atsiri yang dihasilkan dari destilasi getah pinus Pinus merkusi J ungh. Et. De. Vr. Tujuan penelitian ini adalah untuk meningkatkan nilai minyak terpentin dengan mengubah kandungan utamanya, α-pinena menjadi senyawa baru menggunakan P. Aeruginosa dalam metode mikrobiologi. Minyak terpentin diambil dari Perhutani Laboratorium Jawa Tengah, dibuat dengan seri konsentrasi 0,5%, 1%, 2%, dan 4%. Minyak terpentin diinokulasi dalam suspensi P. areuginosa selama 48 jam pada suhu kamar (25-28oC). Hasilnya diekstraksi menggunakan dietil eter. Filtrat Terpentin dianalisis menggunakan GCdan IR. Hasil analisis GC menunjukkan puncak baru di konsentrasi 0,5%, 1%, dan 2%, tetapi dalam konsentrasi 4% tidak menunjukkan puncak baru. Hasil IR menunjukkan hidroksil (OH-) dan C-O alkohol. Berdasarkan penelitian ini, dapat disimpulkan bahwa minyak terpentin dapat ditransformasi untuk menjadi senyawa yang mengandung gugus-OH melalui metode mikrobiologi dengan menggunakan bakteri P. aeruginosa. Indonesia is the main producer of essential oil in the world. Turpentine oil is an essential oil which is obtained from pine resin distillation of Pinus merkusi Jungh. et. De.Vr. The aim of this experiment was to increase the value of turpentine oil by changing its main content, i.e. α-pinene, into a new compound using P. aeruginosa in microbiological method. Turpentine oil was collected from Perhutani Central Java Laboratory, and was made into 0.5%; 1%; 2%; and 4% concentrations and it was inoculated in P. areuginosa suspension for 48 hours in room temperature (25°C-280C). The result was extracted using diethylether. The filtrate of turpentine was analyzed using GC and IR. The GC analysis result showed a new peak in 0.5%; 1%; and 2% concentrations, but in the 4% concentration didn’t show a new peak. The IR result showed alcohol with hydroxyl (-OH) and –C–O groups. This experiment concluded that turpentine oil may be transformed using P. aeruginosa in a microbiological method to become a substance containing –OH group.
Blood Lipid Profile of Coturnix coturnix japonica Fed whith Organic Feed and Supplement Curcuma longa Entin Nur Aetin; Tyas Rini Saraswati; Sri Isdadiyanto
Biosaintifika: Journal of Biology & Biology Education Vol 9, No 3 (2017): December 2017
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v9i3.11225

Abstract

People’s concern about quail egg consumption has triggered the efforts to produce quail eggs with low cholesterol content by using organic feed. Organic feed is one type of feed rations made of mixing organic material. In this study, standard organic feed (rice bran, yellow corn, soybean, and fishmeal) and organic feed containing mackerel, cassava leaves, and turmeric powder was administere to female japanese quail. Organic feed containing mackerel, cassava leaves, and turmeric powder can affect the Japanese quail (Coturnix coturnix japonica L.) lipid profile. This research used experimental methods. Twenty-seven female Japanese quails were divided into 3 treatment groups (PO: commercial feed, P1: standard organic feed, P2: feed containing organic turmeric powder, cassava leaves, and mackerel) for 145 days with 9 repeat. Data obtained were in the form of average daily feed intake and blood lipid profiles of each treatment group. Further data analysis was performed by analysis of variance (ANOVA) followed by Duncan test. The results showed that administration of organic feed containing mackerel, cassava leaves, and turmeric powder can reduce the levels of cholesterol, triglycerides, and LDL but increase the HDL levels in Japanese quail. Supplementation of turmeric powder improve the chemical quality of Japanese quail eggs, so it is good for the development of quail embryos as well as for consumption. It can be concluded that organic feed and turmeric powder supplementation stabilize blood lipid profile and improve the reproduction of Japanese quail egg low cholesterol, so good for the development of embryo quail and for consumption.
The Effect of Bacteria Colony Pseudomonas fluorescens (UB_Pf1) and Bacillus subtilis (UB_Bs1) on the Mortality of Pratylenchus coffeae (Tylenchida: Pratylenchidae) Presti Mardiyani Purwaningtyas; Bambang Tri Rahardjo; Hagus Tarno
Biosaintifika: Journal of Biology & Biology Education Vol 8, No 3 (2016): December 2016
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v8i3.5067

Abstract

Parasitic Root-Lession nematode of Pratylenchus coffeae can reduce the Indonesian coffee plants productivity. Several studies reported that Pseudomonas fluorescens and Bacillus subtilis endophytic bacteria were antagonistic bacteria to nematode. The objective of this research was to reveal the effectiveness of bacterial colonies density of P. fluorescens (UB_Pf1), B.subtilis (UB BS1), and a combination of both bacteria on nematode mortality using median lethal concentration (LC50) and median lethal time 50 (LT50). The densities of bacteria used in this study were 107, 109, 1011 and 1013 cfu/ml. 35 testing nematodes were used and the mortality was counted at 6, 12, 24, 36, and 48 hours after treatments. The results showed that LC50 values of P. fluorescens was (UB_Pf1) was 4,3x108 cfu/ml, LC50 B. subtilis (UB_Bs1) was 1,9x109cfu/ ml, and LC50 combination of both bacteria was, 8x107 cfu/ml. It implies that the application of the combination of both bacteria are more pathogenic than single bacterial treatment. The results also showed that the highest LT50 value was 13.21  hours combination of bacterial colonies with a density of 1013 cfu/ml and the lowest LT50 value was 52.00 hours on P. fluorescens (UB_Pf1) treatment with colonies density of 107 cfu/ml.How to CitePurwaningtyas, P. M., Rahardjo, B. T., Tarno, H. (2016). The Effect of Bacteria Colony Pseudomonas fluorescens (UB_Pf1) and Bacillus subtilis (UB_Bs1) on the Mortality of Pratylenchus coffeae (Tylenchida: Pratylenchidae). Biosaintifika: Journal of Biology Biology Education, 8(3), 286-293. 
Blood Hematological and Biochemical Parameters of Osteochilus vittatus with Spirulina platensis Supplementation in Biofloc System Muhammad Azharul Rijal; Susanto Susanto; Sorta Basar Ida Simanjuntak; Hernayanti Hernayanti; Purnama Sukardi
Biosaintifika: Journal of Biology & Biology Education Vol 12, No 3 (2020): December 2020
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v12i3.20936

Abstract

Spirulina platensis is a microalgae that contains nutrients such us iron and phycocianin higher than other microalgae. Research on suplementation of S. platensis in Osteochilus vittatus cultured in biofloc system has never been done. The aim of this study was to determine the blood hematological and biochemical parameters of O. vittatus fed with S. platensis supplementation and maintained in biofloc system. The study was conducted experimentally with Completely Randomized Design, four treatments and five replications. O. vittatus were fed with S. platensis level 0, 2, 4, and 6 g.kg-1 for 56 days. Blood hematological and biochemical parameters were measured on days 0 and 56. Values of those parameters were then analyzed using ANOVA with a confidence level of 95%. The result showed that the highest red blood cells, white blood cells, and hemoglobin counts were 1.57x106­­­­ cell.mm-3, 2.37x105 cell.mm-3, and 6.77 g.dl-1 respectivley, while the highest hematocrit value was 17.5 %. The highest total protein, albumin, and globulin in blood were 7.96 g.dL-1, 4.31 g.dL-1, and 3.79 g.dL-1 respectively, and the best for ratio A/G was 1.14. S. platensis suplementation level of 4g.kg-1 feed was the most optimum level (P0.05). Cultivation of fish with S. platensis supplementation in feed can increase fish health indicated by the hematological and biochemical parameters of the blood and the fish maintenance in biofloc systems can improve water quality. The benefit of this research is to make a good condition for cultivation and efficiently used not only water but also feed.
Screening of Bacteria Producing Asparaginase Free of Glutaminase and Urease from Hot Springs in West Sulawesi Ruby Setiawan; Dinar Rahmi Larasati
Biosaintifika: Journal of Biology & Biology Education Vol 11, No 2 (2019): August 2019
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v11i2.17435

Abstract

L-asparaginase catalyzes the hydrolysis of asparagine into ammonia and aspartate. It has been used in chemotherapy for patients with acute lymphoblastic leukemia. L-asparaginase presents in animal, plant and microorganism. Long-term application of this enzyme can induce neurotoxicity due to the affinity towards glutamine and urea. The aim of this research was to find new source of glutaminase and urease-free asparaginase from bacteria. Bacteria were isolated from hot springs located in West Sulawesi using R2A media. The identification was employed by amplifying 16S rRNA gene. Screening of asparaginase was conducted using asparagine as single source of Nitrogen. Out of 21 isolates, 76% were Gram-negatives from the genus of Pseudomonas, Acinetobacter, Bosea, Caulobacter, Sphingomonas and Novosphingobium, while the rest of them were Gram-positives from the genus of Mycobacterium, Brachybacterium, Rhodococcus, and Staphylococcus. Twelve isolates which showed asparaginase activity were Caulobacter flavus HS1YWS2 and HS1XWS3, Acinetobacter sp. HS2XWS5, HS2XWS6, HS2XWS8, HS2YWS11, HS2YWS12, HS2YWS13, HS2ZWS14, HS2ZWS15 and HS2ZWS16. Isolates HS1YWS2 and HS1XWS3 were free of glutaminase and urease and showed the highest activity. This study was the first report of asparaginase activity from Caulobacter flavus. This result can further be used to explore the ability of asparaginase free of glutaminase and urease to treat acute lymphoblastic leukemia.
Efficacy Test on Some Entomopathogenic Bacterial Isolates of the Periplaneta americana and Blatella germanica Cockroaches (Orthoptera) at Laboratory Scale Deni Zulfiana; Monaliza Sekar Rini; Bramantyo Wikantyoso; Ni Putu Ratna Ayu Krishanti
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 2 (2018): August 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v10i2.12934

Abstract

Cockroach is one of insects which plays a role as a disease vector, causing negative impacts to human health. Controlling cockroach by using excessive insecticide adds residue to the environment and strengthens its resistance toward insecticides. The objective of this research was to implement and evaluate the alternative use of biological control agent, such as entomopathogenic bacteria against two types of cockroach. In this study, three entomopathogenic bacterial isolates derived from dead Spodoptera litura pupa and Bacillus thuringiensis were employed. The test was performed by administering spraying and baiting methods at cell concentration of 108 CFU/ml. The results showed that three entomopathogenic bacterial isolates used in this study affected cockroach mortality. The result of morphological observation and Postulate Koch test showed that cockroach mortality was caused by the bacterial isolates. The spraying method on BLSP4 bacterial isolate contributed to the highest mortality rate by 80% to the Blatella germanica. Meanwhile, in the baiting method, the isolate of B. thuringiensis caused the highest mortality to the Periplaneta americana by 10%. Based on the mortality period, it can be recognized that BLSP4 treatment with spraying method affected the mortality of B. germanica effectively within 2 hours 30 minutes 46 seconds. An important finding in this study was that BLSP4 bacteria has been known potential for controlling cockroach using spraying method. The result of this study provides insights that BLSP4 bacteria can be used as a new alternative for controlling cockroach and generally in pest management.
PENGARUH EKSTRAK LIMBAH DAUN TEMBAKAU MADURA TERHADAP AKTIVITAS MAKAN LARVA Spodoptera exigua Harwanto -; Edhi Martono; Andi Trisyono; Wahyono -
Biosaintifika: Journal of Biology & Biology Education Vol 4, No 1 (2012): March 2012
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v4i1.2262

Abstract

Ekstrak tanaman untuk insektisida nabati tidak hanya berpengaruh terhadap mortalitas saja akan tetapi juga berpengaruh terhadap aktivitas makan serangga. Tujuan pengujian ini adalah untuk mengetahui pengaruh ekstraklimbah daun tembakau madura terhadap aktivitas makan larva instar III Spodoptera exigua. Metode uji ada dua yakni pakan pilihan dan pakan tanpa pilihan. Rancangan yang digunakan adalah rancangan acak lengkap (RAL), dengan 6 perlakuan konsentrasi dan 1 kontrol yang diulang 5 kali. Hasil pengujian menunjukkan bahwa pemaparan ekstrak limbah daun tembakau dengan metode pakan pilihan: (1) berpengaruh nyata terhadap bobot daun yang dikonsumsi pada semua konsentrasi dibandingkan dengan kontrol, (2) bersifat antifeedant terhadap larva S. exigua dengan indeks hambatan makan berkisar 17,51 – 38,12%, sedang ekstrak limbah daun tembakau pada uji pakan tanpa pilihan (3) berpengaruh nyata pada konsentrasi 0,21% terhadap bobot daun yang dikonsumsi dibandingkan dengan kontrol, dan (4) bersifat antifeedant dengan indeks hambatan makan lebih tinggi (22,87 – 69,39%) daripada dengan pakan pilihan (17,51 – 32,12%). Plants extracts used for botanical insecticides do not only influence the mortality but also the feeding activity of insects. The aim of this test was to determine the activity of the extract of Madura tobacco leaf on the feeding activity of the third instar of beet armyworm Spodoptera exigua. There were two test methods, choice and no-choice feeding tests. The design of each test was a completely randomized design (CRD), with six treatment concentrations and one control, replicated five times. The results showed that the exposure of tobacco leaf extracts with the choice feeding: (1) had significant effect on the leaf weight consumed at all concentration compared to the controls, (2) act as antifeedant against the larvae of S. exigua with the index of food consumption barrier ranging from 17.51 to 38.12%; while the extract of tobacco leaf on the no-choice feeding test: (3) had significantly effect on the weight of leaves consumed compared to the control on the concentrations of 0.21%, and (4) was antifeedant with the index of food consumption barrier higher (22.87 to 69.39%) than the choice feeding (17.51 to 38.12%).
Alteration of Gills and Liver Histological Structure of Cyprinus carpio Exposed to Leachate Tri Dewi Kusumaningrum Pribadi; Dzikrina Syahidah; Sairandri Dyah Harjanti; Desak Made Malini
Biosaintifika: Journal of Biology & Biology Education Vol 9, No 2 (2017): August 2017
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v9i2.8972

Abstract

One of the main problems in the waste management in Indonesia is the treatment of leachate, which mostly dumped to the river This research is aimed to obtain information of histological alteration in gills and liver of C. carpio L. exposed to leachate. Measurements on the water quality parameters comprised water temperature, pH, and dissolved oxygen (DO). This research was conducted by exposing leachate to C. carpio for 96 hours. The concentration of leachate were 0 ppm, 80 ppm, and 100 ppm. Histological preparation were made on the gills and liver using 10% fixative Neutral Buffered Formalin and Ehrlich Hematoxylin-Eosin staining with qualitative observation descriptive analyses for discussion. The result showed that increasing water temperature is directly proportional to the leachate concentration in the aquaria, while the value of pH and DO inversely proportional to the leachate concentration. Damages on the gills with 80 ppm leachate concentrasion were identified as follows: fusion of secondary gill filaments and hyperplasia of epithelial cell, along with karyorrhexis and hydropic degeneration on the liver. Damages on the gills of fishes exposed to leachate with 100 ppm concentrasion were identified as follows: fusion of secondary gill filaments, hyperplasia of epithelial cell, congestion, and edema along with karyorrhexis, hydropic degeneration and melanomacrophage centre (MMC) found on the liver. The results of this study can be used as an overview of the impact of an environmental pollution by leachate as indicated from histological damage to the gills and liver of C. carpio, thus contribute significan information to aquaculture sector and endorse better waste management
Pemanfataan Pupuk Daun, Air Kelapa dan Bubur Pisang sebagai Komponen Medium Pertumbuhan Plantlet Anggrek Dendrobium Kelemense Uhwatul Hasanah; Enni Suwarsi R; Sumadi -
Biosaintifika: Journal of Biology & Biology Education Vol 6, No 2 (2014): September 2014
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v6i2.3784

Abstract

Bahan alternatif alami diperlukan untuk menggantikan bahan kimia yang mahal untuk kegiatan kultur jaringan. Penelitian ini bertujuan untuk menguji pengaruh merk, konsentrasi pupuk daun, interaksinya terhadap pertumbuhan plantlet anggrek Dendrobium dan menentukan konsentrasi yang paling optimal dalam menginduksi pertumbuhan plantlet. Percobaan dilakukan dengan rancangan acak lengkap faktorial yang terdiri dari dua perlakuan yaitu merk pupuk dan konsentrasi pupuk, masing-masing dengan tiga taraf perlakuan yaitu merk pupuk (growmore, hyponex, gandasil) dan konsentrasi (1 g/l, 2 g/l, 3 g/l). Pertumbuhan plantlet anggrek pada penelitian ini diukur berdasarkan parameter tinggi plantlet, jumlah daun, luas daun, jumlah akar dan panjang akar. Data dianalisis dengan anava dua arah, bila signifikan dilanjutkan dengan uji Duncan. Hasil anava menunjukkan merk pupuk berpengaruh signifikan terhadap penambahan jumlah daun, luas daun dan jumlah akar, konsentrasi pupuk berpengaruh signifikan terhadap penambahan tinggi plantlet dan panjang akar sedangkan interaksi merk pupuk dengan konsentrasi pupuk signifikan terhadap penambahan tinggi plantlet dan luas daun. Kombinasi perlakuan yang paling optimal yang menginduksi penambahan tinggi plantlet dan luas daun adalah pupuk hyponex dengan konsentrasi 2 g/l (5,40 cm dan 5,43 cm2). Untuk mendapatkan pertumbuhan plantlet paling tinggi dan luas daun paling optimal digunakan media pupuk hyponex dengan konsentrasi pupuk 2 g/l.Natural alternative materials needed to replace expensive chemicals for tissue culture activities. This study aimed to examine the influence of the brand, the concentration of foliar fertilizer, interaction on the growth of dendrobium orchid Dendrobium and determine the optimal concentration in inducing the growth of plantlets. Experiments were carried out with completely randomized factorial design consisting of two treatments, the brand of fertilizer and manure concentration, each with three levels, namely brand fertilizer treatments (Growmore, Hyponex, Gandasil) and concentration (1 g/l, 2 g /l, 3 g/l). Orchid plantlets growth in this study was measured by high parameter plantlets, number of leaves, leaf area, root number and root length. Data were analyzed by two-way ANAVA, if significant followed by Duncan test. Results of ANAVA showed a significant effect on the brand of fertilizer increase in the number of leaves, leaf area and number of roots, the concentration of fertilizer significantly influenced the high increase of plantlets and root length, while the interaction with the concentration of manure fertilizer brands significantly to the high increase of plantlets and leaf area. The most optimal combination of treatments that induce high addition of plantlets and leaf area was Hyponex fertilizer with a concentration of 2 g / l (5.40 cm and 5.43 cm2). To get the highest plantlet growth and optimal leaf area most used media Hyponex fertilizer with manure concentration of 2 g/l.

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