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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Isolation and identification of effective cellulolytic bacteria in composting process from different sources  [2017]

Hossein; Saffari; Ahmad Ali; Pourbabaee; et al.

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Cellulolytic bacteria have a bio-activating role in the composting process. A study was carried out to isolate and identify cellulolytic bacteria from various sources. The isolates were cultured in the carboxymethyl cellulose (CMC) agar medium and incubated at 30°C for 3–7 days. Based on morphological characteristics of the isolates, maximum diameter of a clear zone around the colony and maximum cellulolytic activity, eight isolate were selected for further studies regarding composting experiments. Molecular tests based on PCR amplification and sequencing of 16S rRNA gene of isolates showed the closest phylogenetic similarity with the species of Stenotrophomonas rhizophila DSM14405 (99.8%), Brevibacterium halotolerans DSM8802 (99.6%), Achromobacter marplatensis B2 (99.8%), Bacillus methylotrophicus CBMB205 (100%), Pseudomonas azotoformans IAM 1603 (99.7%), Bacillus sonorensis NBRC 101234 (99.8%), Bacillus subtilis KCTC 13429 (100%) and Ochrobactrum thiophenivorans DSM 7216 (99.3%). The study of the isolates impact on the composting of palm wastes in a randomized complete block design with 11 treatments in 3 replications showed that strain IB (B. methylotrophicus) caused a significant decrease in C:N ratio (58%). The increasing of microbial respiration compared with control after 30 days incubation at 37°C showed that the B. methylotrophicus strain IB with cellulolytic characteristics can be applied to hydrolysis of cellulosic biomass in the composting processes.
From the journal
Archiv für Acker- und Pflanzenbau und Bodenkunde
ISSN : 1476-3567

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
63 (3
Extent:
297-307
Publisher:
Taylor & Francis
All titles:
"Isolation and identification of effective cellulolytic bacteria in composting process from different sources"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
63 (3
Extent:
297-307
Publisher:
Taylor & Francis
All titles:
"Isolation and identification of effective cellulolytic bacteria in composting process from different sources"@eng