Mushoffa, Mushoffa (2012) Isolasi dan identifikasi bakteri selulolitik dari feses kambing. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Text (Abstract: Indonesia)
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Text (Abstract: English)
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Text (References)
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Other (Appendices)
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Abstract
INDONESIA:
Ketersediaan limbah peternakan berupa feses kambing belum dimanfaatkan secara optimal dan seringkali menjadi salah satu penyebab pencemaran lingkungan. Sebenarnya feses kambing mempunyai manfaat untuk kesuburan tanaman karena mengandung unsur hara yang tinggi. Selulosa merupakan salah satu bahan organik yang terkandung pada feses kambing. Pemamfaatan limbah kotoran kambing tergantung proses degredasi komponen selulosa di dalamnya. Selulosa harus didgredasi terlebih dahulu menjadi komponen yang lebih sederhana agar dapat digunakaan sebagai sumber energi bagi mikroba. Salah satu cara yang dilakukan untuk mempercepat proses degredasi selulosa adalah dengan penambahan sejumlah bakteri selulolitik. Penelitian ini bertujuan untuk mengisolasi dan menidentifikasi bakteri selulolitik dari feses kambing dengan menggunakan media Carboxy methil cellulose (CMC) dan Nutrient Agar (NA).
Penelitian ini bersifat deskriptif kualitatif. Metode yang dilakukan meliputi pengambilan sampel kotoran kambing yang ditempatkan dalam kantong plastik steril. Sebanyak 5 gram sampel dimasukkan ke dalam erlemenyer yang berisi 45 ml air fisiologis. Divortex serta dishaker inkubasi selama 48 jam. Dilakukan pengenceran 10-2 kemudian diambil 1ml dan diinokulasikan ke cawan petri yang berisi media Nutrient Agar (NA) dengan metode pour plate. Inkubasi dilaksanakan selama 24 jam, koloni yang tumbuh dilakukan pemurnian dengan streak quadrant pada cawan petri sampai diperoleh isolat murni bakteri.
Tahap pemurnian diperoleh 12 isolat bakteri yang kemudian diidentifikasi morfologi koloninya secara makroskopis, meliputi bentuk, elevasi, tepi dan warna koloni. Identifikasi karakter sel bakteri secara mikroskopis dilakukan dengan pewarnaan gram, pewarnaan endospora dan uji katalase. Sebanyak 12 isolat bakteri yang diperoleh pada tahap pemurnian juga dilakukan uji screening bakteri selulolitk dengan menggores isolat bakteri pada media CMC agar, kemudian kultur diinkubasi selama 48 jam pada suhu ruang. Penentuan screening dilakukan dengan menmbahkan congo red selama 15 menit kemudian dicuci dengan NaCl 1M. Koloni yang terdapat zona bening menunjukkan bahwa isolat tersebut termasuk bakteri selulolitik. Pada tahapan uji screening dihasilkan 3 isolat yang mampu tumbuh dan menghasilkan zona bening pada media CMC, sehingga dilanjutkan identifikasi bakteri dengan uji biokimia menggunakan Microbact 12E sampai tingkat spesies. Dari hasil identifikasi menggunakan Microbact 12E diperoleh 3 jenis bakteri selulolitik yaitu Bacillus sphaericus, Yersinia enterocolitica, dan Echerichia coli.
ENGLISH:
Availability of livestock waste in the form of goat manure are often rarely used that it becomes one of the causes of environmental pollution. When in fact goat manure waste has benefits in the fertility of crops due to high nutrient content contained therein. Cellulose is one of the organic material contained in goat feces. Utilization of waste goat manure as fertilizer ingredients depending on the cellulose component in it degredation. The process of degradation of cellulose must be broken down first into simpler components that can be used as an energy source for microbia. One way is done to speed up the process of cellulose degradation by the addition of a number of cellulolytic bacteria.This study aimed to isolate and identify cellulolytic bacteria by using the media methil Carboxy cellulose (CMC) and Nutrient Agar (NA) on goat manure waste of Laboratory Animal Resources Lapang Sekar of Batu.
This research is descriptive qualitative. The method involves taking a sample made of goat manure placed in sterile plastic bags. A total of 5 grams of sample is put into the Erlenmeyer containing 45 ml of physiological water. Divortex and dishaker (shaken) for 48 hours. Doing dilution 10-2 then it is taken1ml and inoculated into of a Petri dish containing medium Nutrient Agar (NA) with the pour plate method. Incubation is carried out for 24 hours, colonies that grew performed purification by quadrant streak to obtain pure isolates of bacteria.
Stage of purification obtained 12 isolates of bacteria that later were identified by macroscopic colony morphology, including shape, elevation, edges and color of the colony. Identification of bacterial cells in microscopic characters done by gram staining, staining endospores, and catalase test. A total of 12 bacterial isolates obtained in the purification stage screening test is also done with streaking selulolitk bacterial isolates of bacteria on the media CMC,so then cultures were incubated for 48 h at room temperature. Determination of screening is done by adding a congo red for 15 minutes then washed with 1M NaCl. Colonies that contained in clear zone indicates that these isolates including cellulolytic bacteria. At that stage of the screening test produced 3 isolates that are able to grow and produce clear zones on CMC media, so the continued identification of bacteria by biochemical tests using Microbact 12E to the species level. From the identification, the results obtained is by using Microbact 12E 3 types of cellulolytic bacteria namely Bacillus sphaericus, Yersinia enterocolitica, and Echerichia coli.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Utami, Ulfah and Barizi, Ahmad | |||||||||
Contributors: |
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Keywords: | Cellulolytic Bacteria; Screening Test; Identification of Bacteria; Goat Manure; Microbact 12E; bakteri selulolitik; uji screening; identifikasi bakteri; feses kambing; microbact 12E | |||||||||
Subjects: | 06 BIOLOGICAL SCIENCES > 0605 Microbiology > 060501 Bacteriology | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Biologi | |||||||||
Location: | 060501 | |||||||||
Depositing User: | Annas Al-haq | |||||||||
Date Deposited: | 08 Jun 2016 05:13 | |||||||||
Last Modified: | 08 Jun 2016 05:13 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/2513 |
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