cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota adm. jakarta selatan,
Dki jakarta
INDONESIA
JURNAL BIOLOGI INDONESIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 847 Documents
 46   47   48   49   50 
RAGAM AKTIVITAS UREASE DAN FOSFOMONOESTERASE SERTA PERANNYA DALAM KETERSEDIAAN NUTRISI N DAN P PADA TANAH KEBUN BIOLOGI WAMENA Rahmansyah, Maman; Latupapua, H.J.D.; Sudiana, I Made
JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i4.3325

Abstract

ABSTRACTDiscrepancy of urease and phosphomonoesterase activities and its role in establishing Nand P nutrition in soil collected from Wamena Biological Research Station. Microbialactivities in soil lead to know for establishing soil nutrient status. Accordingly, soil collectedfrom Biological Research Station in Wamena then sent to the laboratory and determined on itsenzymatic activities and the physicochemical, as well. In this work, the enzymatic activities ofurease and phosphomonoesterase were examined in relation with soil microbial respiration, inorder to understand the mineralization of nitrogenous and phosphorus compound in soil. Soilrespiration rate (2.43-3.21 mg C02 g-'dm12hour) designated variation in each sample, as wellas urease (8.6-23.5 unit/g soil) and phosphomonoesterase (5.5-7.9 unit/g soil) activities.Phosphomonoesterase activity showed strong correlation with respiration rate within soil; andreveal to the configuration of the bioactivities and physicochemical soil figures concluded thatthe B sample has the poor fertility. The phenomenon of data fulfill that bioactivities hadcorrelation with the physicochemical compound in the soil.Keywords: respiration, urease, phosphomonoesterase, Wamena Biological Research Station.
IDENTIFIKASI MOLEKULER VIRUS PAPILLOMA GENITAL PADA DUA SPESIES PRIMATA DI FASILITAS PENANGKARAN PUSAT STUDI SATWA PRIMATA-INSTITUT PERTANIAN BOGOR Sari, Isti Kartika; Suparto, Irma H; Iskandriati, Diah
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.339

Abstract

Tulisan Pendek
IDENTIFICATION AND CHARACTERIZATION OF INFECTIOUS BRONCHITIS VIRUS (IBV) IN INDONESIA Dharmayanti, Ni Luh Putu Indi; Indriani, Risa
JURNAL BIOLOGI INDONESIA Vol 13, No 1 (2017): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v13i1.3095

Abstract

ABSTRACTInfectious Bronchitis Virus (IBV) is an acute viral and highly infectious disease which attacks the respiratory system of chicken. The impact of economic losses is very large since it decreases the egg production and itcauses the abnormal of egg shapes, decreased of body weight and death. In Indonesia, the IBV disease is still a serious problem in poultry regarding to many variants which arise from mutations of the IB virus. The decreasing possibility of the vaccination effectiveness due to incompatibility of strains used towards the virus circulated in the field. The variants of IB virus have not been well-documented in Indonesia since the lack of characterization of this virus. In this study, we characterize the IB virus isolates obtained from our local outbreaks in the field in order to determine the variant of IB virus in Indonesia and provide recommendations for the improvements of IB vaccine seed viruses which is adapted to IB virus circulating in the field. The IB virus characterized in this study shows close genetic relationship with the IB virus from Taiwan and China. However, it did not correlate with the local IB virus that has been found previously.Keywords: Identification, Character, IBV, Indonesia
METHANE EMISIONS FROM SOME RICE CULTIVARS IN RAINFED RICE FIELD Wihardjaka, A.
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i3.3259

Abstract

AbstrakEmisi Gas Metana pada beberapa Varitas Padi di Lahan Sawah Tadah Hujan.Keragaman emisi gas metana dipengaruhi oleh karakteristik pada varitas tanaman padiyang berbeda umur, sifat, dan aktivitas sistim perakarannya. Penelitian lapang dilaksanakandi lahan sawah tadah hujan pada musim penghujan 200312004 dengan tujuan untukmengetahui emisi gas metana dari beberapavaritas padi unggul yang dibudidayakan secaragogorancah dan untukmengetahui varitas tertentu yangmampu mengemisi metana rendahsekaligus memberikan hasil gabah tinggi. Percobaan disnsun menggunakan rancanganacak kelompok dengan 3 ulangan pada 7 varitas padi, yaitu IR64, Cisantana, Sintanur,,Way Apoburu, Dodokan, Silugonggo, Mentik (varitas lokal). Pengambilan contoh gas dilapangan dilakukan dengan sungkup dan contoh gas diinjeksikan ke alat kromatografigas dengan detektor FID untuk menetapkan fluks metana. Hasil penelitian menunjukkanbahwa emisi gas CH, dari tanaman padi varitas Way Apobum < Dodokan < Silugonggo< Cisantana < Sintanur < lokd Mentik < IR64. Potensi daya hail varitas lokal Mentiklebih rendah daripada IR 64 dan IR 64 lebiirendah daripada varitas Silugonggo, Cisantana,Way Apoburu, Dodokan, dan Sintanur. Varitas Way Apoburu yang dibudidayakan dengansistem gogorancah mengemisi gas metana paling sediit dan memberikan hasil gabahpaling tinggi.Kata kunci : Emisi metana, varitas padi, sawah tadah hujan
DETEKSI CHYTRIDIOMYCOSIS DENGAN MENGGUNAKAN KOLEKSI MUSEUM ZOOLOGICUM BOGORIENSE PADA KATAK ASAL TAMAN NASIONAL GEDE-PANGRANGO, JAWA BARAT Kurniati, Hellen; Phadmacanty, Ni Luh Putu Rischa
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.156

Abstract

-
PENGARUH HABITAT DAN KETINGGIAN TEMPAT TERHADAP SEBARAN KELELAWAR DI TAMAN NASIONAL GUNUNG CIREMAI, JAWA BARAT Maharadatunkamsi, Maharadatunkamsi
JURNAL BIOLOGI INDONESIA Vol 8, No 2 (2012): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v8i2.3057

Abstract

Effect of habitat and altitudinal changes on the distribution of bats in Gunung Ciremai National Park, West Jawa. We investigated the bat community in its density and diversity between primary forest, secondary forest, shrub and pines in Gunung Ciremai National Park. This paper discuss the impact of these nature changes on the bat community along this national park. Our data showed a relationship between distribution of each bat species with habitat changes andaltitudinal gradients between 500-600 and 1100-2100 m above sea level. The distribution of bats according to their habitat and altitude in this study is parallel with some other previous studies. The results indicated that both habitat and altitidinal differences are important factors in influencing the distribution of each bat species. Although forest and disturbed areas provide food and shelter for support many of these bats species, it is urgent to maintain and improve the quality of the forests in this important national park.Keywords: Gunung Ciremai, bats, forests, disturbed areas, altitudinal.
TINGKAH LAKU MELAHIRKAN DAN ESTRUS TIKUS LESOQLATI SULAWESI MAXOMYS HELLWANDII (JENTINK, 1879) Wahyuni, Indyah
JURNAL BIOLOGI INDONESIA Vol 5, No 2 (2008): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i2.3199

Abstract

ABSTRACTParturition Behavior and Estrus of Sulawesi spiny rat Maxomys hellwandii (Jentink, 1879).This research is aimed to study the parturition behavior of wild Sulawesi spiny rat involvingobservations of pre-parturition, parturition and post- parturition behaviors. In this study, 15female white tail rats at the ages of 60 days old were used to evaluate their estrus. Animals weremaintained in cages made of glass at size of 1m x1mx1.5m. The covers of cages were made ofram wire and completed with feeder and drinker. For estrus observation, animal cages weremade of plastic trays of 39 cm x42 cm x15 cm. The phase of estrus cycles observation was doneby collecting sample of vagina smear from the animals. The determination of cycles phase wasbased on the cell types that were obtained from preparation vagina smear. The results showedthat about six hours before parturition, the animals were nervous and urinated 4 to 9 times asthey showed agonistic. The parturition process needed 3 to 8 minutes. The deviation times ofsuckling progeny were 8-12 seconds. The progeny at the ages of 1 to 5 days old slept againsttheir mother nipples. For the estrus, the results showed that estrus cycle of wild white tail ratswas ranging from 3 days to 5 days, consisted of pro estrus (12 hours), estrus (12 hours), metestrus (18 ? 12 hours) and di-estrus (45 - 54 hours).Key Words: Parturition Behavior, Estrus, Maxomys hellwandii.
VARIASI GENETIK MONASCUS PURPUREUS YANG DIISOLASI DARI BERAS MERAH CINA Suharna, Nandang
JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i3.3470

Abstract

ABSTRACTGenetic Variation of Monascus purpureus Isolated from Chinese Red Rice. An attempt was carried out to detect genetic variation among six Monascus purpureus isolates by RAPD finger printing. The isolates studied were isolated from Chinese red rice (ang-kak) collected from Indonesian markets. Seven types of oligonucleotide 12-mer primers were used in this study. These primers were different from G+C ratio (42%, 50%, 68% and 75%) so as to know the best ratio for DNA amplication. Products of DNA amplication by seven primers were observed such as 158 banding patterns, comprise of 23 common fragments and 135 polimorfic fragments. The result showed that the six isolates were divided into two groups based on DNA banding patterns. The same grouping was also shown by phylogenetic analysis. This analysis indicated two cluster which were different from its genetic distance (49%) and two pairs of isolates were identical to each other. So far, this RAPD analysis proved that there was high genetic variation within the six isolat of M. purpureus. It was assumed that there was a tendency of species separation within those isolates. It is suggested that sequencing analysis on 18S rDNA should be carried out to ensure status of M.purpureus species used in ang-kak production.Key words: Monascus purpureus, variation, genetic, Chinese red-rice, RAPD
PENGARUH APLIKASI BACILLUS SP. 140-B DAN STREPTOMYCES SP. L.3.1-DW TERHADAP INFEKSI FUSARIUM OXYSPORUM SCHLECHT F. SP. CUBENSE (FOC) DAN PERTUMBUHAN TANAMAN PISANG (MUSA ACUMINATA) VAR. CAVENDISH Laili, Nur; Antonius, Sarjiya; Salamah, Andi
JURNAL BIOLOGI INDONESIA Vol 11, No 1 (2015): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v11i1.2157

Abstract

Fusarium oxysporum Schlecht f. sp. cubense (Foc) is the causal pathogen of wilt disease of banana. Abilities of  biocontrol agents Bacillus sp. 140-B and Streptomyces sp. L.3.1-DW to control Foc infection in banana were studied. Application of Bacillus sp. 140-B and Streptomyces sp. L.3.1-DW as single isolate or their combination in banana were tested under greenhouse conditions for 30 days. The aims of this study were to evaluate the potential of  Bacillus sp. 140-B and Streptomyces sp. L.3.1-DW as biocontrol agents in banana. Treatments of biocontrol showed significant effect on the reduction of foc infection diseases of banana, compared to control. The lowest disease severity was found on the treatment of single isolate Streptomyces sp.L.3.1-DW with infection degree of 29,33%. Streptomyces sp. L.3.1-DW could suppress Foc population (6,25 x 105 CFU/ml) in rhizosphere area after 30 days innoculation. Bacillus sp. 140-B and Streptomyces sp. L.3.1-DW were also act as plant growth-promoting rhizobacteria (PGPR), that indicated by improvement of banana growth, in which Streptomyces L.3.1-DW caused the highest growth of banana either with or without Foc infection.  This study indicated that Bacillus sp. 140-B and Streptomyces sp. L.3.1-DW have potential as alternative solutions to control Fusarium wilt in banana var. Cavendish. Keywords: Bacillus sp. 140-B, banana, biocontrol, Foc, PGPR, Streptomyces sp. L.3.1-DW. 
PHYLOGENETIC RELATIONSHIPS WITHIN COCKATOOS (AVES: PSITTACIFORMES) BASED ON DNA SEQUENCES OF THE SEVENTH INTRON OF NUCLEAR ?-FIBRINOGEN GENE Astuti, Dwi
JURNAL BIOLOGI INDONESIA Vol 7, No 1 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v7i1.3123

Abstract

ABSTRAKHubungan Kekerabatan Kakatua (Aves: Psittaciformes) Berdasarkan Sekuen DNA dariIntron ke Tujuh dari Gen ?--fibrinogen. Hubungan kekerabatan diantara burung kakatuamasih menjadi perdebatan, khususnya menyangkut posisi dari Nymphycus hollandicus. Intronpada gen ?-fibrinogen telah diketahui berguna untuk mempelajari filogeni dari beberapakelompok burung, oleh karena itu penelitian ini menggunakan sekuen DNA dari intron ketujuhpada gen ini (?-fibint7) untuk mengkonstruksi filogeni dari enam genus (Cacatua,Callocephalon, Eolophus, Calyptorhynchus, Probosciger, dan Nymphicus) yang terdapat didunia berdasarkan analisis neighbor-joining (NJ) and maximum-parsimony (MP). Ditemukanbeberapa indel (insersi-delesi) pada sekuen DNA dari â-fibint7 kakatua, sehingga panjangsekuen DNA bervariasi diantara taxa-taxa yang diteliti. Tidak terjadi saturasi antara substitusi transisi dengan transversi, dan juga antara transversi dengan jarak genetik. Tribe Cacatuiniyang terdiri dari tiga genus Cacatua, Callocephalon, dan Eolophus bersifat monophyletic.Meskipun hubungan diantara spesies dari genus Cacatua tidak terungkap dengan jelas, tetapiC. alba, C. galerita, C. goffini, C. sanguinea, C. moluccensis dan C. sulphurea berada didalam satu group, dan C. leadbeateri relatif terpisah dari species-species congeneric lainnya.Callocephalon secara filogenetik terpisah jauh dari genus-genus lainnya pada tribe Cacatuini.Tribe Calyptorhyncini yang terdiri dari Probosciger dan Calyptorhynchus adalah paraphyletic.Calyptorhynchus tampak monophyletic. Nymphicus (tribe Calopsittacini) menjadi cladebasal dari kakatua.Key words: Kekerabatan, Kakatua, Sekuen DNA, ?--fibrinogen

Page 48 of 85 | Total Record : 847

 46   47   48   49   50 

Filter by Year

2001 2019


Reset
Filter By Issues
All Issue Vol 15, No 2 (2019): JURNAL BIOLOGI INDONESIA Vol 15, No 1 (2019): JURNAL BIOLOGI INDONESIA Vol 14, No 2 (2018): JURNAL BIOLOGI INDONESIA Vol 14, No 2 (2018): JURNAL BIOLOGI INDONESIA Vol 14, No 1 (2018): JURNAL BIOLOGI INDONESIA Vol 14, No 1 (2018): JURNAL BIOLOGI INDONESIA Vol 13, No 2 (2017): JURNAL BIOLOGI INDONESIA Vol 13, No 2 (2017): JURNAL BIOLOGI INDONESIA Vol 13, No 1 (2017): JURNAL BIOLOGI INDONESIA Vol 13, No 1 (2017): JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA Vol 11, No 2 (2015): JURNAL BIOLOGI INDONESIA Vol 11, No 2 (2015): JURNAL BIOLOGI INDONESIA Vol 11, No 1 (2015): JURNAL BIOLOGI INDONESIA Vol 11, No 1 (2015): JURNAL BIOLOGI INDONESIA Vol 10, No 2 (2014): Jurnal Biologi Indonesia Vol 10, No 2 (2014): Jurnal Biologi Indonesia Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA Vol 8, No 2 (2012): JURNAL BIOLOGI INDONESIA Vol 8, No 2 (2012): JURNAL BIOLOGI INDONESIA Vol 8, No 1 (2012): JURNAL BIOLOGI INDONESIA Vol 8, No 1 (2012): JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): J. Biol. Indon. Vol 7, No.2 (2011) Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA Vol 7, No 1 (2011): JURNAL BIOLOGI INDONESIA Vol 7, No 1 (2011): JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA Vol 6, No 1 (2009): JURNAL BIOLOGI INDONESIA Vol 6, No 1 (2009): JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA Vol 5, No 2 (2008): JURNAL BIOLOGI INDONESIA Vol 5, No 2 (2008): JURNAL BIOLOGI INDONESIA Vol 5, No 1 (2008): JURNAL BIOLOGI INDONESIA Vol 5, No 1 (2008): JURNAL BIOLOGI INDONESIA Vol 4, No 5 (2008): JURNAL BIOLOGI INDONESIA Vol 4, No 5 (2008): JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA Vol 4, No 2 (2006): JURNAL BIOLOGI INDONESIA Vol 4, No 2 (2006): JURNAL BIOLOGI INDONESIA Vol 4, No 1 (2006): JURNAL BIOLOGI INDONESIA Vol 4, No 1 (2006): JURNAL BIOLOGI INDONESIA Vol 3, No 9 (2005): JURNAL BIOLOGI INDONESIA Vol 3, No 9 (2005): JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA Vol 3, No 2 (2001): JURNAL BIOLOGI INDONESIA Vol 3, No 2 (2001): JURNAL BIOLOGI INDONESIA More Issue