Detailed Information on Publication Record
2015
Designing and Implementing an Assay for the Detection of Rare and Divergent NRPS and PKS Clones in European, Antarctic and Cuban Soils
AMOS, G.C.A., C. BORSETTO, P. LASKARIS, Martin KRSEK, A.E. BERRY et. al.Basic information
Original name
Designing and Implementing an Assay for the Detection of Rare and Divergent NRPS and PKS Clones in European, Antarctic and Cuban Soils
Name in Czech
Návrh a využití metody detekce nezvyklých a odlišných NRPS a PKS klonů v evropských, antarktických a kubánských půdách
Authors
AMOS, G.C.A., C. BORSETTO, P. LASKARIS, Martin KRSEK, A.E. BERRY, K.K. NEWSHAM, L. CALVO-BADO, D.A. PEARCE, C. VALLIN and E.M.H. WELLINGTON
Edition
Plos one, San Francisco, Public Library of Science, 2015, 1932-6203
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10600 1.6 Biological sciences
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 3.057
Organization unit
Faculty of Science
UT WoS
000361797500060
Keywords (in Czech)
antibiotika; metagenomika; NRPS; PKS; půda; aktinobakterie; proteobakterie
Keywords in English
antibiotics; metagenomics; NRPS; PKS; actinobacteria; proteobacteria
Tags
Tags
International impact, Reviewed
Změněno: 9/4/2020 12:19, Mgr. Marie Šípková, DiS.
Abstract
V originále
The ever increasing microbial resistome means there is an urgent need for new antibiotics. Metagenomics is an underexploited tool in the field of drug discovery. In this study we aimed to produce a new updated assay for the discovery of biosynthetic gene clusters encoding bioactive secondary metabolites. PCR assays targeting the polyketide synthases (PKS) and non-ribosomal peptide synthetases (NRPS) were developed. A range of European soils were tested for their biosynthetic potential using clone libraries developed from metagenomic DNA. Results revealed a surprising number of NRPS and PKS clones with similarity to rare Actinomycetes. Many of the clones tested were phylogenetically divergent suggesting they were fragments from novel NRPS and PKS gene clusters. Soils did not appear to cluster by location but did represent NRPS and PKS clones of diverse taxonomic origin. Fosmid libraries were constructed from Cuban and Antarctic soil samples; 17 fosmids were positive for NRPS domains suggesting a hit rate of less than 1 in 10 genomes. NRPS hits had low similarities to both rare Actinobacteria and Proteobacteria; they also clustered with known antibiotic producers suggesting they may encode for pathways producing novel bioactive compounds. In conclusion we designed an assay capable of detecting divergent NRPS and PKS gene clusters from the rare biosphere; when tested on soil samples results suggest the majority of NRPS and PKS pathways and hence bioactive metabolites are yet to be discovered.