Magdalena Martínez-Reyes

• Research Associate at Colegio de Postgraduados

Social Impact Statement The preservation and revitalization of mycocultural heritage, developed over centuries of human‐mushroom interaction, contributes to safeguarding both natural ecosystems and the promotion of sustainable rural development, one of the biggest global challenges currently faced by humankind. This 10‐year study demonstrates that...

Xerocomellus piedracanteadensis sp. nov. is presented as a new species from Mexican oak-pine forests. Mexico has a great diversity of Boletaceae species. However, some genera, including those of the Xerocomellus, have been overlooked. This work presents a new species and a new record of Xerocomellus, together with a key to the Xerocomellus in Mexic...

Se estima que la producción de 1 kg de Pleurotus sp. genera aproximadamente 6 kg de residuos orgánicos. El objetivo de este estudio fue evaluar la calidad nutrimental de compostas elaboradas con residuos de sustrato del hongo y bacterias fijadoras de nitrógeno. Se establecieron cuatro tratamientos: compostas con residuos de sustrato, sin residuos,...

With more than 500 species consumed in the country Mexico is the second reservoir of edible wild mushrooms, just after China. However, only very few hypogeous fungi are consumed. In this paper we describe the first edible truffe with biocultural importance in the country. Tuber itzcuinzapotl is described as a new species to science. This species is...

Lactarius denudatus (Calonge & J.M. Vidal) P.M. Kirk is an hypogeous species characterized by the small, gasteroid basidiomata, exposed and anastomosed pale cream lamellae, large cystidia up to 90 µm in length, and small ellipsoid verrucose basidiospores. This species was described in 2005 and currently it is only known from the type collections in...

Boletes are one of the most common groups of fungi in temperate, subtropical, and tropical ecosystems. In Mexico, the northern region has mainly been explored in terms of bolete diversity. This study describes a new genus and seven new species based on macromorphological, micromorphological, molecular, phylogenetic, and ecological data. Garcileccin...

Citation: Ayala-Vásquez, O.; Martínez-Reyes, M.; Pérez-Moreno, J.; Martínez-González, C.R.; Pinzón, J.P.; de la Fuente, J.I.; Castro-Rivera, R.; García-Jiménez, J.; Balbuena-Carrasco, S.; Ramírez-Carbajal, E.; et al. Five New Species of Aureoboletus and Chalciporus (Boletaceae, Boletales) and Their Ethnomycological Aspects. Abstract: Among Boletale...

Fertilization is one of the most important and costly activities in forested plant production in container. The application of controlled release fertilizers (CRF) allows reducing costs since they are incorporated in the substrate in a single event. However, the optimum dosage should be defined based on the nutritional needs of each species. Thus,...

Objective: To evaluate whether or not the spores of the edible fungus Laccaria laccata (Scop.) Cooke encapsulated in a lyophilized biopolymeric matrix of chitosan-xanthan can cause ectomycorrhization in Pinus greggii Englem. trees under greenhouse conditions. Methodology: Spores of the edible ectomycorrhizal fungus L. laccata were encapsulated in b...

Worldwide, the fungus known as huitlacoche (Ustilago maydis (DC.) Corda) is a phy-topathogen of maize plants that causes important economic losses in different countries. Conversely, it is an iconic edible fungus of Mexican culture and cuisine, and it has high commercial value in the domestic market, though recently there has been a growing interes...

Antecedentes: Los estudios etnomicológicos realizados en la región mazateca, al norte del estado de Oaxaca, México, se han enfocado principalmente a especies del género Psilocybe por su importancia ceremonial y de sanación entre los mazatecos de la parte alta. En contraste, el conocimiento y las percepciones locales del uso de otras especies con im...

Elaphomyces readii is presented as a new species to science based on morphological and molecular evidence. The new species is characterized mainly by the pale brown rugose ascomata, yellowish to reddish brown hues in the proximity to the gleba, dark purple gleba and ascospores 20-57 µm in diameter. Elaphomyces readii is morphologically similar to E...

Aim of study: To document for the first-time the biocultural knowledge related to the use, nomenclature, and classification of wild mushrooms by the Mazatec culture, cradle of the ethnomycology. Area of study: Municipality of Eloxochitlán de Flores Magón and communities of San José Buena Vista and Agua Ancha, belonging to the state of Oaxaca, in s...

Xerocomellus perezmorenoi (Boletaceae, Boletales) is described as a new species from Mexico. This species was collected under Abies religiosa in mixed coniferous forest located in three localities (Puebla, Tlaxcala, and State of Mexico) in central Mexico. It is morphologically characterized by its small-sized basidiomata, pileus brown at the center...

The genus Chroogomphus has scarcely been studied in Mexico, with only one species reported in the country despite its great biocultural importance in native cultures. In this study, two new species of Chroogomphus are presented based on genetic and morphological characterization. The phylogenetic analysis with DNA sequences from nrITS region confir...

Una de las especies forestales más utilizadas para aprovechamientos maderables es Pinus patula. Actualmente esta especie se encuentra bajo manejo forestal en los bosques del norte del estado de Puebla y en algunas localidades se aplican cortas de regeneración totales. Esta especie, como todos los pinos, depende para su supervivencia de las ectomico...

Matsutake fungi include a complex of edible mushrooms highly prized worldwide, particularly in Japan where they are considered one of the most luxurious ingredients. These species establish ectomycorrhizal symbioses with angiosperms and gymnosperms in the Northern Hemisphere and in North America only three species are currently known. In the presen...

El libro se abordan de manera integral las principales técnicas para el aislamiento, estudio, producción, y conservación in vitro de hongos comestibles cultivados; hongos saprótrofos del suelo; hongos entomopatógenos, micoparásitos y mematófagos, hongos ectomicorrizicos; hongos micorrízicos arbusculares; y hongos endófitos.

El turismo constituye una fuente importante de ingreso a nivel internacional. Sin embargo, en términos generales, la derrama económica del turismo ha beneficiado principalmente a trasnacionales o grupos empresariales nacionales reducidos. Una rama del turismo de enorme relevancia denominado ecoturismo, incluye el denominado “mico turismo”, el cual...

Con más de 450 especies consumidas en México, el país constituye uno de los más importantes centros bioculturales de hongos comestibles silvestres a nivel internacional. Sin embargo, la comercialización de este importante recurso forestal no maderable se realiza en su mayoría en fresco, lo cual genera márgenes de ganancia reducidos dada la corta vi...

Background: Pinus (Coniferophyta) and Laccaria (Basidiomycota) establish ectomycorrhizal symbioses in natural forests. However, their detailed morphoanatomical and phylogenetic characterization have received little attention. Accurate identification of native host symbionts is of paramount relevance to the production of mycorrhized seedlings for su...

The extraradical mycelium (ERM) of ectomycorrhizal fungi is a network inhabited by soil mesofauna, mainly collembolans and mites, forming interactions during the fungal life-cycle, from grazing on hyphae to spore dispersal. However, it is still unknown if ERM of ectomycorrhizal fungi could influence the structure of mesofauna assemblages. Objective...

México se considera un país megadiverso ya que cuenta con aproximadamente 10% de la diversidad terrestre del planeta

Societal Impact Statement Edible mycorrhizal fungi (EMF) have been consumed since ancestral times by humans either as food, medicine or for ceremonial use. Nowadays, they are a non‐timber forest product and a diverse genetic resource with great ecological, sociocultural, economic, medicinal and biotechnological relevance around the world. Therefore...

Objective: To determine the effect of mycelial disturbance on the formation of sporomesof two edible ectomycorrhizal fungi of great biocultural relevance in Mexico (Laccarialaccata and Hebeloma leucosarx) associated to two Neotropical pines with economicand ecological importance, Pinus greggii and P. montezumae.Design/Methodology/Approach: Spore in...

México se considera un país megadiverso ya que cuenta con aproximadamente 10% de la diversidad terrestre del planeta

Currently, the greatest environmental challenge faced by humankind is climate change. With certainty, we can state that there is no spot on the planet that has remained unaffected by the human being. We live in a geological era that can be accurately called the Anthropocene, from the Greek ἄνθρωπος anthropos = human being and καινός kainos = new. T...

Background: In Mexico, before the arrival of the Spaniards in the sixteenth century, mushrooms had a paramount ceremonial and sacred importance as substantiated by linguistic and archaeological evidence and documented in various pre-Hispanic codices and colonial writings. Objective: To describe a fascinating and paradoxically little known story li...

Ecologically, edible mushrooms can be: (i) parasites of plants or animals, (ii) saprotrophs, which live and feed on dead organisms, such as the industrially cultivated button, oyster or shiitake mushrooms, or (iii) ectomycorrhizal, which establish mutually beneficial symbiosis with the roots of host plants. Ectomycorrhizal wild mushrooms, which are...

Growth and macro and micronutrient contents of Pinus greggii Engelm. inoculated with the edible ectomycorrhizal mushroom Hebeloma mesophaeum (Pers.) Quél. was evaluated. The experiment consisted of two treatments: plants inoculated with H. mesophaeum and non–inoculated plants. Results showed that shoot and root dry weight, shoot height, stem diamet...

Growth and macro and micronutrient contents of Pinus greggii Engelm. inoculated with the edible ectomycorrhizal mushroom Hebeloma mesophaeum (Pers.) Quel. was evaluated. The experiment consisted of two treatments: plants inoculated with H. mesophaeum and non-inoculated plants. Results showed that shoot and root dry weight, shoot height, stem diamet...

Por su gran diversidad biológica y cultural, México es considerado, en el entorno internacional, un importantísimo reservorio de hongos silvestres, algunos de ellos, microscópicos –un elemento fundamental de nuestro patrimonio genético–. Estos microorganismos están presentes de muchas maneras: tienen un papel clave en la estructura y funcionamiento...

More than 200 species of wild edible mushrooms are consumed in Mexico, and over 100 are sold in local, regional, and wholesale markets. This paper analyzes general trends in the commercialization of wild edible mushrooms at twelve markets in central Mexico, where at least 90 species are sold and more than 100 local names were registered. The paper...