On the Occurrence of Arbuscular Mycorrhizal Fungi in a Bryophyte Community of Punta Lara Natural Reserve, Buenos Aires, Argentina

Article Plant Sciences

NEW RECORD OF ARBuSCuLAR MyCORRHIzA IN ASTERELLA CHILENSIS (AyTONIACEAE, MARCHANTIOPHyTA), PATAGONIA, ARGENTINA

Agustina Celeste Cottet et al.

Summary: This study presents the first description of arbuscular mycorrhizal (AM) colonization in Asterella chilensis, providing important information about the associations between bryophytes and fungi in harsh and little known environments.

BOLETIN DE LA SOCIEDAD ARGENTINA DE BOTANICA (2022)

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Article Soil Science

Occurrence and diversity of arbuscular mycorrhizal fungi colonising off-season and in-season weeds and their relationship with maize yield under conservation agriculture

Blessing Mhlanga et al.

Summary: Weeds respond differently to arbuscular mycorrhizal fungi (AMF) depending on host identity and agricultural practices. Implementation of mulching and crop rotation increases AMF colonisation and diversity in weeds. Off-season and in-season weeds have similar AMF composition.

BIOLOGY AND FERTILITY OF SOILS (2022)

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Article Microbiology

Microbial community analysis of soils under different soybean cropping regimes in the Argentinean south-eastern Humid Pampas

Gabriela Fernandez-Gnecco et al.

Summary: Long-term cropping regimes shape soil microbial communities, with different cropping regimes and seasons impacting microbial diversity. Conservation farming regimes show stronger seasonal dynamics in microbes, and different bacterial and fungal genera exhibit differential relative abundances under different cropping regimes.

FEMS MICROBIOLOGY ECOLOGY (2021)

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Article Mycology

The Global Soil Mycobiome consortium dataset for boosting fungal diversity research

Leho Tedersoo et al.

Summary: The data article releases a global soil fungal dataset from the Global Soil Mycobiome consortium to enhance research in fungal diversity, biogeography, and macroecology. The dataset includes 722,682 fungal operational taxonomic units derived from PacBio sequencing, covering 3200 plots in 108 countries. It is more comprehensive in terms of geographical breadth and phylogenetic diversity of fungi compared to previously published data.

FUNGAL DIVERSITY (2021)

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Article Plant Sciences

Arbuscular Mycorrhizal Fungi from Argentinean Highland Puna Soils Unveiled by Propagule Multiplication

Fernanda Covacevich et al.

Summary: The study in the Argentine Puna region demonstrated that propagule multiplication experiments can help detect AM fungal species not previously found in the soil. Furthermore, plant host selection and culture times are critical factors for fungal propagation. SSCP analysis complemented the morphological approach, revealing a high variability of Glomus species at each site.

PLANTS-BASEL (2021)

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Article Plant Sciences

Invasion of a xeric forest by an exotic tree species in Argentina: Impacts on the diversity of arbuscular mycorrhizal fungi and pre-existing mutualistic relationships

Camila Abarca et al.

Summary: This study aimed to analyze the effects of invasion by the exotic Ligustrum lucidum on mycorrhizal associations in forests of Celtis tala. The results show that L. lucidum establishes symbiosis with native AMF, triggering changes in community structure and interfering with the mycorrhization of C. tala. AMF may play either a direct or indirect role in the invasion process, benefiting the invasive species while preventing the regeneration of native plants.

ACTA BOTANICA BRASILICA (2021)

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Article Microbiology