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Herminia De la Varga

Herminia De la Varga
Fertinagro Biotech · I+D+I

PhD

About

31
Publications
7,632
Reads
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381
Citations
Citations since 2016
9 Research Items
281 Citations
201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050
Additional affiliations
September 2018 - present
Fertinagro Biotech
Position
  • Researcher
January 2017 - September 2018
Micologia Forestal & Aplicada
Position
  • Researcher
September 2013 - December 2016
French National Institute for Agriculture, Food, and Environment (INRAE)
Position
  • PostDoc Position
Education
December 2008 - November 2013
University of Barcelona
Field of study
  • Biodiversity
October 2006 - October 2007
University of Barcelona
Field of study
  • Biodiversity: evolution and conservation
October 2005 - June 2006
Institut de Cièncias de l’Educacuó (ICE), Universitat de Barcelona
Field of study
  • Certificate of pedagogical aptitude (Certificat d’ Aptitut pedagògica)

Publications

Publications (31)
Article
Full-text available
Tuber brumale and Tuber indicum (Pezizomycetes) are two edible black truffles establishing ectomycorrhizal symbiosis with trees and shrubs. T. brumale is ubiquitous in Europe, and T. indicum is mainly found in China. Here, we present the draft genome sequences of T. brumale and T. indicum .
Article
Full-text available
The Périgord black truffle (Tuber melanosporum Vittad.) is an ectomycorrhizal fungus forming edible fructifications. The production of T. melanosporum relies mainly on man-made plantations. T. melanosporum is a heterothallic species requiring the meeting of two partners of opposite mating types to fruit. It is common to have productive and non-prod...
Chapter
Full-text available
Book about pests and diseases found in black truffle orchards in Spain, associated to Quercus ilex or holm oak. La elevada rentabilidad de las plantaciones en el territorio aragonés, unido al apoyo de la administración pública está convirtiendo a España en un referente mundial en truficultura. Los beneficios económicos, sociales y ecológicos de es...
Article
The P?rigord black truffle (Tuber melanosporum Vittad.) is a heterothallic ascomycete that establishes ectomycorrhizal symbiosis with trees and shrubs. Small-scale genetic structures of female genotypes in truffle orchards are known, but it has not yet been studied in male genotypes. In this study, our aim was to characterize the small-scale geneti...
Article
Full-text available
The Périgord black truffle, Tuber melanosporum Vittad., is an ectomycorrhizal fungus that forms edible hypogeous ascomata. It is now harvested in plantations and is recognized as an agricultural product by European policy. Empirical techniques without scientific demonstration of their efficiency are often used to improve the production of truffles...
Article
Full-text available
Fungi display a rich variety of sexual reproduction systems and are therefore good models to investigate sex evolution. Moreover, understanding the investment in sexual reproduction of edible fungi is a critical challenge for improving their cultivation. The Perigord black truffle (Tuber melanosporum Vittad.) is a heterothallic ascomycete associate...
Chapter
Different methodological tools have been developed to trace truffles in soil, from fruiting body collections and mycorrhiza morphotyping to recent high-sensitive, molecular techniques able to detect specific truffle DNA markers in the soil. Recent findings in disclosing the biological cycle of truffles based on molecular research have represented a...
Chapter
Truffl es are ectomycorrhizal fungi harvested mainly in human managed agroforestry ecosystems. Truffl e production in truffl e orchards faces two important bottlenecks or challenges: the initiation of the sexual reproduction and the growth of the ascocarps during several months. The black Périgord truffl e, Tuber melanosporum , is a heterothallic s...
Article
Full-text available
Tuber species are ectomycorrhizal ascomycetes establishing relationships with different host trees and forming hypogeous fruiting bodies known as truffles. Among Tuber species, Tuber aestivum Vittad. has a wide distributional range being found naturally all over Europe. Here, we performed large-scale population genetic analyses in T. aestivum to (i...
Article
Full-text available
Key message Several aspects of the life cycle of the Périgord black truffle have been elucidated only recently, while others remain either controversial or unstudied. In this paper, we present a revised life cycle of this fungus and highlight key aspects that have yet to be addressed or require further understanding.• ContextThe hypogeous sporophor...
Article
Full-text available
The genetic structure of ectomycorrhizal (ECM) fungal populations results from both vegetative and sexual propagation. In this study, we have analysed the spatial genetic structure of Tuber melanosporum populations, a heterothallic ascomycete that produces edible fruit bodies. Ectomycorrhizas from oaks and hazels from two orchards were mapped and g...
Article
Full-text available
The annual belowground dynamics of extraradical soil mycelium and sporocarp production of two ectomycorrhizal fungi, Boletus edulis and Lactarius deliciosus, have been studied in two different pine forests (Pinar Grande and Pinares Llanos, respectively) in Soria (central Spain). Soil samples (five per plot) were taken monthly (from September 2009 t...
Article
Full-text available
Quantification of extraradical mycelium of black truffle (Tuber melanosporum) has been carried out in a natural truffle ground and in seven truffle orchards (around 20 years old) established in Tierra Estella and Valdorba sites, within the natural distribution area of the black truffles in Navarre (northern Spain). Specific primers and a Taqman® pr...
Article
Full-text available
The availability of most edible ectomycorrhizal mushrooms depends on their natural fructification. Sporocarp formation of these fungi is linked to habitat characteristics and climate conditions, but these data alone do not explain all the trends of fungal fruiting and dynamics. It could be hypothesized that the amount of soil mycelia could also be...
Article
Full-text available
Intraspecific variability in root colonization, extraradical growth pattern, and survival after cold storage of Lactarius deliciosus isolates was determined in pure culture conditions using Pinus pinaster as a host plant. The ectomycorrhizal ability of L. deliciosus at 30, 45, and 60 days from inoculation was highly variable among isolates and was...
Article
The inoculation of different plant species with edible ectomycorrhizal fungi is a promising technology for sustainable production of non-wood forest resources, especially in areas unsuitable for agricultural production. Key species as truffles (Tuber), boletes (Boletus) and saffron-milk caps (Lactarius) are especially valued in local markets but th...

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