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Published by Universitas Negeri Padang

ISSN : 2614669X EISSN : 2579308X DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

Bioscience ISSN 2579-308X (Electronic) ISSN: 2614-669X (Print) is peer-reviewed journal and scientific journal publish by Universitas Negeri Padang. The aim of this journal is to publish articles dedicated to all aspects of the latest outstanding developments in the field of biology. Scope of this journal is ;Environmental Biology; Genetics and Biotechnology; Biology of Function; Systematics, Structure and Development.

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Articles 10 Documents

Search results for , issue "Vol 1, No 1 (2017): Biology" : 10 Documents clear

Efisiensi Penggunaan Nitrogen (Nue) Dan Resorpsi Nitrogen Pada Hutan Taman Nasional Bukit Duabelas Dan Perkebunan Kelapa Sawit Di Kabupaten Sarolangun, Provinsi Jambi Violita Violita
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Nitrogen use efficiency (NUE) plays an important role on plant adaptation to the low nutrient conditions. Transformation system from natural forest to oil palm plantation changedthe NUE and soil nutrition in ecosystem. However, how the transformation system affects NUE, N resorption, and soil nutrition in Sarolangun, Jambi province still unknown. The aims of the study were (1) to quantify NUE and Nresorptionand its correlation to N soil content (2)to determine nitrogen loss of litterfall in natural forest (HA) and oil palm plantation (KS) in Sarolangun, Jambi. The result showed that NUE in plant scale (NUE c) influenced by N resorption. NUE c increased with increasing of N resorption. Nitrogen and carbon content of the soil in HA was higher than that of in KS. There was no correlation between N soil content with foliar N content, N resorption, and NUE c. NUE in ecosystem scale (NUEES) was higher in HA than that of in KS. There was 68.3% of total N productionloss or out from the system inKS. Key words: NUE, N soil content, N resorption, transformation system

Konsentrasi Hambat Minimum Ekstrak Daun Sawo (Achras Zapota L.) Terhadap Pertumbuhan Staphylococcus Aureus Secara In Vitro Novia Yunika
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Sapodilla (Achras zapota L.) is a plant commonly found on the island of Java, West Sumatra and West Nusa Tenggara. Sapodilla plant contains flavonoids, saponins and tannins. In leaf the dominant are flavonoids. The content of flavonoids in the plant tissue may act as an antioxidant and antibacterial. As an alternative natural antibacterial, sapodilla leaves should also be tested minimum inhibitory concentration effective to inhibit the bacteria Staphylococcus aureus. This study aims to determine the minimum inhibitory concentration sapodilla leaf extract (Achras zapota L.) on the growth of Staphylococcus aureus. The research was conducted from January to February 2015 in the Laboratory of Microbiology UNP. Research method is descriptive by observing turbidity levels at each test tube as well as comparison increment Optical Density (OD) before incubation and after incubation of zeroes. Sapodilla leaf extract concentration ranging from 10% - 50%, amoxilin as a positive control, and negative controls (without extract). Study results showed that the minimum inhibitory concentration of Sapodilla leaf extract on the growthbacteria present in a concentration of 50%. Keywords : Sapodilla leaf extract , Minimun Inhibitory Concentration (MIC), and Staphylococcus aureus

Perbedaan Kadar Tumor Necrosis Factor - Alfa Antara Diabetes Mellitus Tipe 2 Terkontrol Dengan Tidak Terkontrol Elsa Yuniarti
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Hyperglicemia in DM Type will induce macrofag to produce cytokin proinflamation TNF-α. High levels of TNF-α in DM Type 2 can lead to more severe insulin resistance and become involved in endothelial dysfunction which lead to complications of the disease. This research aims to know differences between TNF-α level in DM type 2 controlled and uncontrolled. This research used obervational analizing method and cross sectional study comparative approach. Blood samples are grouped to 35 patient DM type 2 controlled and uncontrolled in the medicinal treatment in Padang State University polyclinic. The level of serum TNF-α will be examined in Biomedical Laboratory FKUA using ELISA method. TNF-α level in the diabetes type 2 controlled on average 7,55 ± 0,43 pg/ml whereas uncontrolled on average 149,28 ± 26,82 pg/ml. The Mann-Whitney test showed a p value < 0,001. There are significant differences in the levels of TNF-α in patients with DM type 2 controlled and uncontrolled. Key Words : Diabetes Mellitus type 2 controlled and uncontrolled, TNF-α

Pengaruh Varietas Beras Putih Sumatera Barat Terhadap Nilai Hematokrit Darah Mencit (Mus Musculus L. Swiss Webster) Jantan Silvira Safitri
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

White rice is considered as a food have hyperglycemic, it can increase the risk of Diabetes Mellitus. Changes in blood hematocrit value is very risky for people with Diabetic. High hematocrit value increases the risk of hypertension in patients with Diabetic. Meanwhile, a low hematocrit values can lead to anemia in patients. Thus it made to reduce the risk of diabetic disease has to limit consumption of white rice. In fact, white rice glycemic response varies widely, influenced by processing, varieties, and chemical composition.West Sumatra white rice have high amylose deemed able to increase blood glucose slowly. The purpose of this research was to determine the effect of white rice varieties West Sumatra on blood hematocrit value mice (Mus musculus L. Swiss Webster) males. This research used Completely Randomized Design with 7 treatments and 4 replications. The treatment were 0,5 mL sugar solution as a control, and 0,5 mL of rice flour Bakwan, Ciredek, Cantiak Manih, Randah Putiah, Mundam and Anak Daro. Blood hematocrit value mice (Mus musculus L. Swiss Webster) males measured on day 7th and 15th. Data analyzed by ANOVA and DNMRT at significance level of 5%. The results showed white rice varieties West Sumatra affect blood hematocrit values mice (Mus musculus L. Swiss Webster) males. White rice varieties resulted the highest hematocrit values found in male mice is rice Ciredek of Solok. Meanwhile, the normal hematocrit values found in male mice were given rice Mundam of Pariaman. Rice Mundam can be consumed by people with Diabetes because it provides stable results for hematocrit value. Keywords: Rice White, Blood Glucose, Mus musculus, Hematocrit

Isolasi Cendawan Endofit pada Daun Bambu Betung (Dendrocalamus asper Backer.) dan Potensi sebagai Antibakteri Staphylococcus aureus Lydia Yohana Safitri
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Endophytic fungi are microorganisms found in healthy plant tissue but not pathogenic to plants, and produce secondary metabolites same host plant. Secondary metabolites can be used as a drug. The possibility of endophytic fungi are found in bamboo, because bamboo betung (Dendrocalamus asper Backer.) Has high potential as a drug, because it contains flavonoids, and phenolic coumarin. These compounds are secondary metabolites that produce antimicrobial substances that are used in the pharmaceutical field and are found in plant tissue. To avoid excessive use of medicinal plants that could lead to the extinction of these plants, then used the role of endophytic fungi are capable of producing secondary metabolites to the fullest. In addition, the endophytic fungus in plant tissue can be more than one type of fungal endophyte that the higher production of secondary metabolites. This study aims to determine the types of isolates of endophytic fungi on the leaves of Dendrocalamus asper and know the antibacterial potency against bacterial endophyte fungus Staphylococcus aureus. The results showed that there were thirteen isolates of endophytic fungi were isolated from the leaves of Dendrocalamus asper. Ten isolates of endophytic fungi have potential as an antibacterial against S. aureus and three isolates of endophytic fungi did not show any antibacterial activity. Key Word: Endophytic fungi, Secondary metabolites, antibacterial activity.

Respon Pertumbuhan Dan Produksi Tanaman Tomat (Solanum Lycopersicum) Dengan Pemberian Bokashi Tithonia (Tithonia Diversifolia) Andina Widya Sari
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Tomato (Solanum lycopersicum) is a vegetable that belongs to the family Solanaceae. Seeing the potential in the domestic and overseas large enough, then the tomato business has a bright prospect. Tomatoes are needed by humans to meet their needs. This is due to the nutritional content of tomato fruit consisting of vitamins and minerals that are very useful for maintaining health and preventing disease, to improve the productivity of tomatoes is done by using fertilizers that Tithonia Bokashi fertilizer. This study aimed to evaluate the response of growth and yield of tomato (Solanum lycopersicum) by giving Bokashi Tithonia (Tithonia diversifolia). This type of research is an experimental study. The study design used was a completely randomized design (CRD) with 6 treatments and 4 replications. The treatments given are dose bokashi Tithonia A = 0 g / polybag, B = Urea, C = 200 g / polybag, D = 400 g / polybag, E = 600 g / polybag, F = 800 g / polybag, parameters tomatoes observed is high, the amount of tomatoes and tomato weight. Data were analyzed using ANOVA and a further test DNMRT at 5% level. Based on the research results show that the tomato plant height, number of tomatoes and tomato fruit weight was significantly different from the provision of Bokashi Tithonia. Dose of 800g / polybag best in improving the response to the growth and production of tomatoes. Key word : Bokashi, Tithonia diversifolia, Solanum lycopersicum

An Overview of The Eye Component (Iris, Lens and Retina) From Mackerel Female (Rastrelliger brachysoma) Kiki Fiolita
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Fish ability to exist and defend their lifeinvolve sense of sight beside sense or another receptors. One of thefactor that influence fish behavior is the sight sharpness. Which is influence by amount and cell formation of cone cells, rod cells, and eye lens diameter. In Indonesia, comprehension and study about the fish sight ability is still minimal in fact this study is very important for fishery technology development. This research aims to describeof theeye components (Iris, Lens, and Retina). This research observe the component eye mackerel female.This research is descriptive, that is reveals research object data actually. Research which observe the component of femalemackerelseye. Theeyes component which is taken is iris, lens, and retina, and the observation use Scanning Electron Microscope (SEM).The results indicate that iris structure of the fish contain a lot of melanosoms pigment. The lens have the rounds shape and transparant yellows color, the retina have cone cell and rod cell. The conecell from sided mozaik also have two cells types, singular and doubled cone cells. The is due to mackerel high intensity in using their sense of sight, ability to distinguish colors and including fish that actively hunt prey. Keywords Rastrellige brachysoma, the structure of fish eyes, photoreceptors.

Pengaruh Kombinasi Pseudomonad Flouresen Dan Em4 Dalam Menghambat Pertumbuhan Blood Disease Bacteria (Bdb) Penyebab Penyakit Darah Tanaman Pisang Secara In Vitro Maemunah Maemunah
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Blood Disease Bacteria is one obstacle in cultivation of bananas. BDB can be controlled using biological agents. Biological agents that can be used to control of blood diseases are Pseudomonad fluorescent and microorganisms in EM4. Pseudomonad fluorescent used as biological agents because of its ability to produce antimicrobial compounds such as siderophores, antibiotics, volatile and cyanide. other than that, the EM4 microorganisms can produce antimicrobial against several bacterial pathogens. This study aims to determine the effect of combination Pseudomonad fluorescent and EM4 to inhibit the growth of BDB in vitro. This research was conducted in January 2016 in the Laboratory of Microbiology Department of Biology FMIPA UNP. Research using a completely randomized design (RAL) with 6 treatments and 3 replications. The study treatment is a combination of Pseudomonads fluorescent and EM4. The observation was done by measuring the clear zone formed around the paper disc. Data were analyzed using analysis of variance (ANOVA) and the test of Duncan New Multiple Range Test (DNMRT) at 5% level. The research proves that the combination resulted in inhibition zone around the paper disc. Inhibition zone shows that the combination inhibits the growth of BDB in vitro. Inhibition zone is formed as fluorescent Pseudomonads and microbes on EM4 produce secondary metabolites that can inhibit the growth of BDB.Key Word: Pseudomonad flourecent, BDB, EM4

Sudut ATD sebagai Penanda Diabetes Mellitus Tipe-2 (DMT2) Syamsurizal Syamsurizal
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Pola dermatoglifi (sidik jari) dapat digunakan sebagai penanda genetik DMT2. Analis pola dermatoglifi secara kuantitatif dapat melalui beberapa parameter dermatoglifi antara lain: frekuensi pola sidik jari (arch, loop dan whorl), jumlah sulur, indeks tipe pola (pattern type index) yang terdiri dari indeks Dankmeijer, indeks Furuhata, indeks intensitas pola (pattern intensity index) dan Sudut atd. Sudut atd merupakan sudut yang terbentuk dengan menghubungkan titik triradius a, t dan d pada daerah telapak tangan.Tujuan penelitian menemukan hubungan karakteristik dermatoglifi (sudut atd) dengan diabetes melitus tipe-2 etnis Minangkabau.Metode penelitian yang digunakan deskriptif dengan 132 sampel terdiri dari 66 pasien dengan diabetes melitus tipe-2 dan 66 kontrol. Hasil penelitian tentang sudut atd pada DMT2 adalah 40,44± 3,34 dan pada kontrol 40,42±3,96. Hasil uji-t dan α=5% didapatkan nilai p=0,75. Dengan demikian dapat disimpulkan bahwa tidak ada perbedaan yang signifikan rata-rata sudut atd pada diabetes melitus tipe-2 etnis Minangkabau.Kata kunci: sudut atd, dermataglifi dan DMT2

Pengaruh Insektisida Organoklorin Endosulfan Terhadap Daya Tetas Telur Ikan Nila (Oreochromis Niloticus) Anggia Cahyati Putri
Bioscience Vol 1, No 1 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Uncontrolled usage of pesticides can contaminate the environment such as water, soil, and air. This occurs because the residue of pesticides. One of them, organochlorine insecticides have widely used by farmers because it is persistent. This study aims to look at the effects caused by organochlorine insecticide endosulfan on hatchability of eggs tilapia (Oreochromis niloticus). This research was conducted CRD with 6 treatments and 4 replications. Concentrations of organochlorine endosulfan in treatment are determined based on the LC50. The treatment use organochlorine endosulfan at concentrations of 0.00395%, 0.00400%, 0.00405%, 0.00410% and 0.00415%. Then they observed for 4 days (96 hours). The data obtained and analyzed by ANOVA and followed by DNMRT (Duncan's New Multiple Range Test). The result showed organochlorine insecticide endosulfan significantly (p<0,05) affect hatchability of eggs tilapia (Oreochromis niloticus), but no significant effect on larval abnormalities. Hatchability of eggs tilapia (Oreochromis niloticus) and the highest larval abnormalities are found in P1 which is a control treatment. While the hatchability of eggs and larvae abnormalities lowest for the P6 treatment with concentrations of endosulfan treatment 0.00415%.Keywords: endosulfan, Tilapia (Oreochromis niloticus), hatchability

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Contact Name
Syamsurizal

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syam_unp@fmipa.unp.ac.id

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syam_unp@fmipa.unp.ac.id

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Kota padang,

Sumatera barat

INDONESIA