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Genomic characteristics comparisons of 12 food-related filamentous fungi in tRNA gene set, codon usage and amino acid composition.
MedLine Citation:
PMID:  22305983     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Filamentous fungi are widely exploited in food industry due to their abilities to secrete large amounts of enzymes and metabolites. The recent availability of fungal genome sequences has provided an opportunity to explore the genomic characteristics of these food-related filamentous fungi. In this paper, we selected 12 representative filamentous fungi in the areas of food processing and safety, which were Aspergillus clavatus, A. flavus, A. fumigatus, A. nidulans, A. niger, A. oryzae, A. terreus, Monascus ruber, Neurospora crassa, Penicillium chrysogenum, Rhizopus oryzae and Trichoderma reesei, and did the comparative studies of their genomic characteristics of tRNA gene distribution, codon usage pattern and amino acid composition. The results showed that the copy numbers greatly differed among isoaccepting tRNA genes and the distribution seemed to be related with translation process. The results also revealed that genome compositional variation probably constrained the base choice at the third codon, and affected the overall amino acid composition but seemed to have little effect on the integrated physicochemical characteristics of overall amino acids. The further analysis suggested that the wobble pairing and base modification were the important mechanisms in codon-anticodon interaction. In the scope of authors' knowledge, it is the first report about the genomic characteristics analysis of food-related filamentous fungi, which would be informative for the analysis of filamentous fungal genome evolution and their practical application in food industry.
Authors:
Wanping Chen; Ting Xie; Yanchun Shao; Fusheng Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-27
Journal Detail:
Title:  Gene     Volume:  -     ISSN:  1879-0038     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-2-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7706761     Medline TA:  Gene     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Affiliation:
College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei Province, 430070, PR China.
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