Heterogeneity of the white truffle Tuber magnatum in a limited geographic area of Central-Southern Italy.
Journal
Environmental microbiology reports
ISSN: 1758-2229
Titre abrégé: Environ Microbiol Rep
Pays: United States
ID NLM: 101499207
Informations de publication
Date de publication:
10 2021
10 2021
Historique:
revised:
19
03
2021
received:
19
03
2021
accepted:
20
04
2021
pubmed:
5
5
2021
medline:
5
4
2022
entrez:
4
5
2021
Statut:
ppublish
Résumé
Molise region (Central-Southern Italy) is one of the Italian richest areas of truffles and contributes significantly to the national production of the precious Tuber magnatum. Nevertheless, Molise truffle has received little scientific attention. Accordingly, in the present study, two T. magnatum populations collected in two different sites of Molise region were characterised from a morphological, genetic and microbiological point of view. A considerable variability between and within the two analysed groups emerged, suggesting an interesting heterogeneity of Molise white truffle populations. Ascocarps of the two groups significantly differed in size and maturation degree, although no linear correlation between weight and maturity was found. Genetic investigations focused on the Sequence-Characterised Amplified Region SCAR A21-inf. Three haplotypes, randomly distributed within the two truffle groups regardless of their collection sites, were detected. The 16S rRNA gene amplicon high-throughput sequencing provided an overview of the composition of the ascocarp-associated bacterial communities. A predominance of α-Proteobacteria was observed, with Bradyrhizobium among the main genera. However, some truffles showed unusual microbial profiles, with Pedobacter, Polaromonas and other bacterial genera as dominant taxa.
Identifiants
pubmed: 33943006
doi: 10.1111/1758-2229.12956
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
591-599Informations de copyright
© 2021 Society for Applied Microbiology and John Wiley & Sons Ltd.
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