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INDONESIA
Bioma : Jurnal Biologi Indonesia
Published by Universitas Negeri Jakarta
ISSN : 01263552     EISSN : 25809032     DOI : https://doi.org/10.21009/bioma.v21i2
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Bioma is a national peer-reviewed and open access journal that publishes significant and important research from all area of biosciences fields such as biodiversity, biosystematics, ecology, physiology, behavior, genetics and biotechnology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ecology, Evolution, Behavior and Systematics
Articles 7 Documents
 1 
Search results for , issue "Vol. 13 No. 1 (2017): Bioma" : 7 Documents clear
PENGARUH INOKULASI RHIZOBIUM TERHADAP PENYERAPAN Cu DAN PERTUMBUHAN KACANG TANAH ( Arachis hypogaea L.) Rahmatullah, Widia
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.136 KB) | DOI: 10.21009/Bioma13(1).7

Abstract

Penelitian ini dilakukan untuk mengetahui pengaruh Cu terhadap pertumbuhan kacang tanah (Arachis hypogaea L.) yang diinokulasikan dengan rhizobium. Distribusi Cu di organ tanaman juga dianalisa. Penelitian ini dilakukan dengan menggunakan Rancangan Acak Lengkap pola faktorial, masing masing kombinasi perlakuan dengan 6 ulangan. Faktor pertama yaitu konsentrasi /dosis CuSO4 yaitu aplikasi A0 : CuSO4 0 mg/3 kg tanah, A1 : CuSO4 60 mg/30 kg tanah, A2 : CuSO4 90 mg/30 kg tanah, A3 : CuSO4 120 mg/3 kg tanah. Faktor yang kedua yaitu B0 : tanpa inokulasi legin . B1: Inokulasi legin (10 g/kg benih) ,B2 :Inokulasi legin (20 g/kg benih). Parameter pengamatan antara lain kadar Cu pada organ tanaman (batang, akar dan daun), kadar Cu pada biji kacang tanah, berat bintil akar dan pertumbuhan tanaman kacang tanah. Data hasil pengamatan dan pengukuran akan dianalisis secara statistik menggunakan analisis sidik ragam (ANOVA) dan diuji lanjut dengan DMRT (Duncan Multiple Range Test) taraf kepercayaan 95 %. Hasil penelitian menunjukkan bahwa pemberian rhizobium yang dikombinasikan Cu memberi pengaruh yang nyata terhadap parameter pertumbuhan. Dalam jumlah sedikit (60 mg CuSO4/30 kg tanah) mampu meningkatkan pertumbuhan tanaman, tetapi dalam jumlah berlebih menurunkan pertumbuhan tanaman. Cu didistribusikan kesemua organ tanaman termasuk biji. inokulasi legin secara signifikan mengurangi pengaruh hambatan pertumbuhan dan mengabsorpsi kelebihan Cu.tingginya konsentrasi Cu di rhizosfer mengurangi jumlah nodul yang terbentuk. Hasil juga memperlihatkan akumulasi Cu di akar.
KAROTENOID PADA ALGAE: KAJIAN TENTANG BIOSINTESIS, DISTRIBUSI SERTA FUNGSI KAROTENOID: Literature Review Merdekawati, Windu; Karwur, Ferry F.; Susanto, A. B.
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1014.652 KB) | DOI: 10.21009/Bioma13(1).3

Abstract

ABSTRAK Karotenoid terdistribusi pada archaea, bakteri, jamur, tumbuhan, hewan serta algae. Karotenoid dihasilkan dari komponen isopentenyl pyrophosphate (IPP) yang mengalami proses secara bertahap untuk membentuk beragam jenis karotenoid. Terdapat dua kelompok karotenoid yaitu karoten dan xantofil dengan berbagai jenis turunannya. Struktur kimia pada karotenoid algae yaitu allene, acetylene serta acetylated carotenoids. Algae mempunyai karotenoid spesifik yang menarik untuk dipelajari. Setiap kelas algae mempunyai komposisi karotenoid yang berbeda. Untuk memahami tentang karotenoid algae perlu diketahui jalur biosintesisnya serta enzim yang berperan di dalamnya. Karotenoid terdistribusi pada membran tilakoid sesuai dengan fungsinya dalam fotosintesis. Kata kunci: algae, karotenoid, biosintesis, fukoxantin, LHC, fotosintesis
SELEKSI SENYAWA PENGHIDROLISIS UNTUK MENGHASILKAN GULA REDUKSI DARI LIMBAH KULIT ARI KEDELAI SEBAGAI BAHAN FERMENTASI BIOETANOL Zulkifliani, Zulkifliani; Handayani, Siska; Adisyahputra, Adisyahputra; Sakarani, Devitra
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (657.44 KB) | DOI: 10.21009/Bioma13(1).1

Abstract

This study aims to determine the most effective compound used to hydrolyze soy husk waste to produce reducing sugar as raw material for bioethanol fermentation. The study was conducted at the Laboratory of Bioprocess PPPTMGB "LEMIGAS" in April-September 2015. The method used is experiment using a randomized block design consisting of two factors. The first factor is the type of compounds used in the process of hydrolysis, namely H2SO4, HCl, NaOH, and NH3. The second factor is the concentration of hydrolyze compound 0.2%, 0.4%. 0.6%, 0.8%, and 1% (v/v) and every treatment repeated 4 times. Parameters measured were content of reduced sugar hydrolysis product, and secondary data that content of cellulose and hemicellulose also the density of ethanol. Concentration of reducing sugar from hydrolysis of soybean husk is analyzed by two-way ANOVA test. ANOVA analysis result indicate that the best hydrolysis compounds in hydrolizing soybean husk is HCl with the optimum concentration is 0,4%. And there are interactions between treatment of compound used to hydrolyze as well as concentration on reducing sugar concentration (mg/mL) as product from soybean husk waste hydrolysis. Post-hoc test showed that HCl 0,4% produce the highest concentration of reducing sugar at 31.23 mg/mL.
STUDI PERILAKU HARIAN DAN KESEJAHTERAAN MONYET HITAM SULAWESI (Macaca nigra Desmarest, 1822) DI PUSAT PRIMATA SCHMUTZER Octavia, Desy; Komala, Ratna; Supiyani, Atin
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (515.32 KB) | DOI: 10.21009/Bioma13(1).2

Abstract

Monyet hitam sulawesi merupakan primata endemik yang hampir punah. Konservasi ex situ monyet hitam sulawesi harus memperhatikan segala aspek yang berhubungan dengan kehidupan hewan tersebut, termasuk aspek perilaku dan kesajahteraan hewan. Penelitian ini bertujuan untuk mengetahui perilaku harian monyet hitam sulawesi berdasarkan jenis kelamin dan umur, serta tingkat kesejahteraannya di Pusat Primata Schmutzer (PPS). Metode yang digunakan dalam penelitian ini adalah metode deskriptif dengan teknik observasi. Analisis data perilaku harian monyet hitam sulawesi berdasarkan jenis kelamin dan umur dilakukan dengan uji Mann- Whitney, sedangkan analisis data tingkat kesejahteraan hewan dilakukan secara deskriptif. Hasil penelitian menunjukan bahwa terdapat perbedaan perilaku harian monyet hitam sulawesi berdasarkan jenis kelamin, yaitu pada perilaku bergerak, mencari makan, istirahat, dan sosial. Hasil penelitian juga menunjukan terdapat perbedaan perilaku harian monyet hitam sulawesi berdasarkan umur, yaitu pada perilaku bergerak, istirahat, dan sosial. Berdasarkan hasil analisis, tingkat kesejahteraan monyet hitam sulawesi di PPS termasuk dalam kriteria baik.
FRAGMENT DNA 387BP GENE LECTIN OF SOYBEAN (Glycne Max L.) MERIIL Puspitaningrum, Rini; Amelia, Ria; Adisyahputra, Adisyahputra
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (497.512 KB) | DOI: 10.21009/Bioma13(1).4

Abstract

Lectin gene is a housekeeping gene that can be used as a molecular marker soybean (Glycine max (L.) Meriil.). This study aimed to obtain the identity of the lectin gene molecular markers for breeding purposes. This descriptive study was performed using PCR amplification and identification of sequences using a lectin gene fragment sequencing techniques and phylogenetic search using Mega Tree programme. The results obtained are lectin gene fragment along 387bp used primer Leic Foward GCGGAAACTGTTTCTTTCAGCTGG and primer Leic Reverse CCGGAAAGTGTCAAACTCAACAGCG.
ISOLASI DAN SELEKSI KHAMIR AMILOLITIK ASAL BUAH NANGKA (Artocarpus heterophyllus Lam.) Wulandari, Tria Putri; Sukmawati, Dalia; Kurniati, Tri Handayani
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.329 KB) | DOI: 10.21009/Bioma13(1).5

Abstract

The aim of this research is to find the isolates of yeast that have the ability to produce enzyme amylase. The strains that can produce the amylase enzyme are characterized by a clear zone around colonies after addition of iodine solution in medium containing 1% starch soluble. Activity of amylase enzyme can be determined by measuring using spectrophotometer at λ 540 nm. The isolation result obtained 75 representative yeast isolates with colony color white butyrous 16%, white mucoid 29.3%, yellowish white 18.7%, cream 20%, peach mucoid 9.3%, and orange mucoid 6,7%. Screening results showed that 8 isolates were able to produce an amylase enzyme with code isolates K33, K34, K36, K37, K48, K107, and K128. A total of two potential yeast isolates in yielding amylase with K34 and K39 isolate codes had amylolytic index 2.89 and 2.27. The highest enzyme activity was produced by K48 (0.88 U/mL).
PERKECAMBAHAN 4 AKSESI JEWAWUT (Setaria italica (L.) P. Beauv) PADA KONDISI CEKAMAN KEKERINGAN ARTIFISIAL Mapikasari, Septiani; Adisyahputra, Adisyahputra; Indrayanti, Reni
Bioma Vol. 13 No. 1 (2017): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.192 KB) | DOI: 10.21009/Bioma13(1).6

Abstract

Developing of jewawut cultivation as an alternative source of carbohydrates is one of the efforts to prevent food insecurity. Drought conditions and the availability of drought-tolerant seeds became one of the problems in the development of jewawut cultivation. The purpose of these experiments were to evaluate jewawut response to drought stress simulations at germination phases and to obtain accessions tolerant to drought stress. Drought stress is performed indirectly (PEG 6000 selective media). The research was done in Laboratory of Physiology of Faculty of Mathematic and Science, UNJ from February until July 2017. The experiments were done with a completely randomized design. Parameters of germination were analyzed with Anova test and continued by Duncan Multiple Range Test (DMRT). Lethal doses of PEG reducing 50% of germination (LD50) were 23,25%, with the quadratic equation y = 1,12-2,72x. The results base on germination phase, Buru merah as drought tolerance accessions, Polman merah and Polman kuning as medium tolerance accession, and Buru kuning as susceptible accessions.

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