A dehydration-inducible gene in the truffle Tuber borchii identifies a novel group of dehydrins

BMC Genomics
Simona Abba'Paola Bonfante

Abstract

The expressed sequence tag M6G10 was originally isolated from a screening for differentially expressed transcripts during the reproductive stage of the white truffle Tuber borchii. mRNA levels for M6G10 increased dramatically during fruiting body maturation compared to the vegetative mycelial stage. Bioinformatics tools, phylogenetic analysis and expression studies were used to support the hypothesis that this sequence, named TbDHN1, is the first dehydrin (DHN)-like coding gene isolated in fungi. Homologs of this gene, all defined as "coding for hypothetical proteins" in public databases, were exclusively found in ascomycetous fungi and in plants. Although complete (or almost complete) fungal genomes and EST collections of some Basidiomycota and Glomeromycota are already available, DHN-like proteins appear to be represented only in Ascomycota. A new and previously uncharacterized conserved signature pattern was identified and proposed to Uniprot database as the main distinguishing feature of this new group of DHNs. Expression studies provide experimental evidence of a transcript induction of TbDHN1 during cellular dehydration. Expression pattern and sequence similarities to known plant DHNs indicate that TbDHN1 is the first cha...Continue Reading

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Citations

Sep 6, 2008·Plant Physiology·Marina BattagliaAlejandra A Covarrubias
Apr 3, 2010·BMC Genomics·Gilles Hunault, Emmanuel Jaspard
Nov 3, 2010·Annual Review of Physiology·Steven C HandDaniel Moore
Jul 2, 2014·Current Genetics·Elisa ZampieriRaffaella Balestrini
Jun 23, 2020·Fungal biology and biotechnology·Heayyean LeeMuhammad Qudrat Ullah Farooqi
Sep 24, 2019·Frontiers in Microbiology·Guillaume Quang N'GuyenThomas Guillemette
Mar 2, 2021·Biochimica Et Biophysica Acta. Proteins and Proteomics·Blase M LeBlanc, Steven C Hand
Nov 29, 2011·Plant Science : an International Journal of Experimental Plant Biology·Challabathula DinakarDorothea Bartels

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Datasets Mentioned

BETA
AAD02257
SNU00161
AAFU01000048
AAEC01000142
CF872473
DR464575
CA765427
CA105075
EAL87020
EAA54716

Methods Mentioned

BETA
PCR

Software Mentioned

blastx
blastp
Prosite
WoLF PSORTII
HMMER
coffee
PHDsec
Pepinfo
ProteinPredict
tblastx

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