scholarly journals Geographical based variations in white truffle Tuber magnatum aroma is explained by quantitative differences in key volatile compounds

2021 ◽  
Author(s):  
Jun Niimi ◽  
Aurélie Deveau ◽  
Richard Splivallo
Author(s):  
Franco Bellesia ◽  
Adriano Pinetti ◽  
Alberto Bianchi ◽  
Bruno Tirillini

Mycorrhiza ◽  
2021 ◽  
Vol 31 (3) ◽  
pp. 383-388 ◽  
Author(s):  
Cyrille Bach ◽  
Pauline Beacco ◽  
Pierre Cammaletti ◽  
Zhixiao Babel-Chen ◽  
Emilie Levesque ◽  
...  

LWT ◽  
2015 ◽  
Vol 60 (2) ◽  
pp. 905-913 ◽  
Author(s):  
R. Costa ◽  
C. Fanali ◽  
G. Pennazza ◽  
L. Tedone ◽  
L. Dugo ◽  
...  

2001 ◽  
Vol 21 (6) ◽  
pp. 683-695 ◽  
Author(s):  
Cécila Nicolas-Saint Denis ◽  
Piero Visani ◽  
Gilles Trystram ◽  
Joseph Hossenlopp ◽  
Romain Houdard

2008 ◽  
Vol 22 (20) ◽  
pp. 3147-3153 ◽  
Author(s):  
Anna Maria Gioacchini ◽  
Michele Menotta ◽  
Michele Guescini ◽  
Roberta Saltarelli ◽  
Paola Ceccaroli ◽  
...  

2018 ◽  
Author(s):  
Federico Vita ◽  
Amedeo Alpi ◽  
Edoardo Bertolini

AbstractThe Italian white truffle (Tuber magnatum Pico) is a gastronomic delicacy that dominates the worldwide truffle market. Despite its importance, the genomic resources currently available for this species are still limited. Here we present the first de novo transcriptome assembly of T. magnatum. Illumina RNA-seq data were assembled using a single-k-mer approach into 22,932 transcripts with N50 of 1,524 bp. Our approach allowed to predict and annotate 12,367 putative protein coding sequences, reunited in 6,723 loci. In addition, we identified 2,581 gene-based SSR markers. This work provides the first publicly available reference transcriptome for genomics and genetic studies providing insight into the molecular mechanisms underlying the biology of this important species.


2020 ◽  
Author(s):  
Jun Niimi ◽  
Aurélie Deveau ◽  
Richard Splivallo

SummaryThe factors that vary the aroma of Tuber magnatum fruiting bodies are poorly understood. The study determined the headspace aroma composition, sensory aroma profiles, maturity, and microbiome composition from T. magnatum originating from Italy, Croatia, Hungary, and Serbia, and tested if truffle aroma is dependent on provenance and if fruiting body volatiles are explained by maturity and/or microbiome composition.Headspace volatile profiles were determined by gas chromatography-mass spectrometry-olfactometry (GC-MS-O) and aroma of fruiting body extracts were sensorially assessed. Fruiting body maturity were estimated through spore melanisation. Bacterial community was determined using 16S rRNA amplicon sequencing.Main odour active compounds were present in all truffles but varied in concentration. Aroma of truffle extracts were sensorially discriminated by sites. However, volatile profiles of individual fruiting bodies varied more within sites than across geographic area, while maturity level did not play a role. Microbiome composition varied highly and was partially explained by provenance. A few rare bacterial operational taxonomical units associated with select few non-odour active volatile compounds.Specificities of the aroma of T. magnatum truffles are more likely linked to individual properties than provenance. Some constituents of the microbiome may provide biomarkers of provenance and be linked to non-odour active volatiles.


2001 ◽  
Vol 105 (3) ◽  
pp. 365-369 ◽  
Author(s):  
Giuliano Frizzi ◽  
Giorgio Lalli ◽  
Michele Miranda ◽  
Giovanni Pacioni

2011 ◽  
Vol 63 (3) ◽  
pp. 697-704 ◽  
Author(s):  
A. Pavic ◽  
S. Stankovic ◽  
Zaklina Marjanovic

Available information on bacteria that influence the economically important white truffle (Tuber magnatum Pico) life cycle is scarce. From the ascocarp of white truffle we isolated a strain TMG 022C, capable for growth in nitrogendepleted conditions and assimilation of mannitol and trehalose. According to 16S rDNA sequence phylogeny, the strain was closely related to Sphingobium amiense. The strain had the ability to perform ammonification, reduce nitrate and solubilize Ca3(PO4)2, produce chitinase, lipase, phospholipase and ?-glucanase, but not cellulase, pectinase, protease and siderophores. The results suggest that Sphingobium sp. TMG 022C could have an influence on the Tuber magnatum life cycle through improved mycelium nutrition and ascocarp decomposition.


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