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All Journal AL KAUNIYAH Bioeksperimen: Jurnal Penelitian Biologi BERITA BIOLOGI
Dwi N Susilowati
Microbial Division, Indonesia Center for Agricultural Biotechnology and Genetic Resources Research and Development (ICABIOGRAD), Jl. Tentara Pelajar 3A Bogor 16111, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Materials Science & Nanotechnology

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Journal : berita biologi

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KERAGAMAN BAKTERI ENDOFITIK DnSOLASI DARI EMPAT VARIETAS PADI DENGAN METODA ARDRA Susilowati, Dwi N; Hidayatun, Nurul; Tasliah, Tasliah; Mulya, K
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i2.1978

Abstract

Sixty eight endophytic bacteria were isolated from four different rice varieties (IR64, Cirata, Code and Limboto) obtained from agroecosystem in Cikembar, Sukabumi, West Java. Those isolates were subjected for analysis the diversity based on genetic fingerprinting through Amplified Ribosomal DNA Restriction Analysis (ARDRA) method. The objective of this research is to characterize the predominant endophyte bacteria are present within various rice varieties grown on agroecosystem in Cikembar, Sukabumi by using ARDRA method. The results shows that restriction analysis with both Rsal and HaelH was sufficient to allocate the endophyte bacteria from four different rice varieties into the 29 types. Moreover, Rsal alone was capable of resolving the 11 types, followed by HaelH 14 types. In general, the result may explain that there is no collinierity between the cluster and their host plant. Staphylococcus, Bacillus, Agrobacterium, Serratia, Klebsiella, Acidovorax and Pseudomonas were identified as endophytic bacteria from rice varieties in this agroecosystem based on their 16S rRNA sequences. Seven types were placed in close proximity to these genera, but other types were still unknown. Among these isolates, genera Staphylococcus and Bacillus are common to rice endophytes.
IDENTIFIKASI 26 ISOLAT BAKTERI ENDOFITIK DAN FILOSFER PADI DENGAN ANALISIS SEKUEN16S RDNA Hidayatun, Nurul; Susilowati, Dwi N; K Mulya, K Mulya
BERITA BIOLOGI Vol 10, No 4 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.127 KB) | DOI: 10.14203/beritabiologi.v10i4.763

Abstract

The research was subjected to identify 26 endophytic and phyllosphere bacteria isolated from 4 rice varieties using sequencing method of 16S rDNA.The sequences were then aligned with reference sequence from Gen-Bank data library by BLAST program from NCBI to find the most related identity of the isolates analysed.The sequencing analysis revealed that some isolates have a high identity to Staphylococcus and Serratia (5 isolates each), Bacillus (4 isolates), Microbacteria (3 isolates), Pseudomonas (2isolates) and Klebsiella, Acidovorak, Bulkholderiaceae, Agrobacterium and Shewanella (1 isolate each). No specific isolate dominated in both endophytic and phyllosphere group, nor host-specific isolate found in the four rice varieties.
Co-Authors Amalia, Wuliani K Mulya, K Mulya Kosasih, Jajang Mulya, K Nani Radiastuti Nurul Hidayatun Samudra, I Made - Suryadi, Yadi - Tasliah Tasliah Yadi Suryadi