Microbial diversity observed during hemp retting

Verfasser / Beitragende:
[Alexandra Ribeiro, Philippe Pochart, Arnaud Day, Sarah Mennuni, Pierre Bono, Jean-Luc Baret, Jean-Louis Spadoni, Irène Mangin]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/10(2015-05-01), 4471-4484
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00253-014-6356-5  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00253-014-6356-5 
245 0 0 |a Microbial diversity observed during hemp retting  |h [Elektronische Daten]  |c [Alexandra Ribeiro, Philippe Pochart, Arnaud Day, Sarah Mennuni, Pierre Bono, Jean-Luc Baret, Jean-Louis Spadoni, Irène Mangin] 
520 3 |a Historically used in textile and paper industry, hemp fibres have started to find new applications in composite materials with important economic and ecological advantages. However, their applications are limited since manufacturers have some difficulties to standardise fabrication processes. This study is a first step before selection and isolation of strains that could later be used to optimise microbial retting efficiency and hence fibre quality. We studied six samples harvested on different ground types, at different dates and with different retting durations on field to obtain an exhaustive representation of the process. After DNA extraction, total bacteria and fungi associated with stems during retting were specifically quantified using real-time PCR. Then, using sequence analysis of randomly cloned 16S and 18S ribosomal RNA (rRNA) genes, a phylogenetic characterisation of the dominant microorganisms was carried out. Quantitatively, we showed that there were 8.1-9.5 log10 16S rRNA gene copies per gram of hemp straw for bacteria and 8.6-9.6 log10 18S rRNA gene copies per gram for fungi. Qualitatively, we noticed a higher bacterial diversity in comparison to fungi. This work showed that in the different samples, the same species were present but in significantly different proportions according to ground type, harvest dates and retting durations on field. The most frequent bacterial sequences were affiliated to species Escherichia coli, Pantoea agglomerans, Pseudomonas rhizosphaerae, Rhodobacter sp., Pseudomonas fulva, Rhizobium huautlense and Massilia timonae, whereas fungal sequences were principally related to the genera Cladosporium and Cryptococcus. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Hemp retting  |2 nationallicence 
690 7 |a Microbiota  |2 nationallicence 
690 7 |a Molecular inventory  |2 nationallicence 
690 7 |a qPCR  |2 nationallicence 
700 1 |a Ribeiro  |D Alexandra  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
700 1 |a Pochart  |D Philippe  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
700 1 |a Day  |D Arnaud  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
700 1 |a Mennuni  |D Sarah  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
700 1 |a Bono  |D Pierre  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
700 1 |a Baret  |D Jean-Luc  |u Laboratoire Industries agroalimentaires, Conservatoire National des Arts et Métiers, 292 Rue St Martin, 75003, Paris, France  |4 aut 
700 1 |a Spadoni  |D Jean-Louis  |u Laboratoire Génomique, Bioinformatique et Applications, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
700 1 |a Mangin  |D Irène  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/10(2015-05-01), 4471-4484  |x 0175-7598  |q 99:10<4471  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-014-6356-5  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ribeiro  |D Alexandra  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Pochart  |D Philippe  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Day  |D Arnaud  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mennuni  |D Sarah  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bono  |D Pierre  |u Fibres Recherche Développement®, Technopole de l'Aube en Champagne, 10450, Bréviandes, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Baret  |D Jean-Luc  |u Laboratoire Industries agroalimentaires, Conservatoire National des Arts et Métiers, 292 Rue St Martin, 75003, Paris, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Spadoni  |D Jean-Louis  |u Laboratoire Génomique, Bioinformatique et Applications, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mangin  |D Irène  |u Microbial Ecology Laboratory, Conservatoire National des Arts et Métiers, 2 Rue Conté, 75003, Paris, France  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/10(2015-05-01), 4471-4484  |x 0175-7598  |q 99:10<4471  |1 2015  |2 99  |o 253