Lessons from the history of <i>Agave</i>: ecological and cultural context for valuation of CAM

Davis, Stephen; Ortiz-Cano, Hector G

doi:10.1093/aob/mcad072

Cited by 5 publications

(2 citation statements)

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“…Some Agave species are predicted to have increased biomass production in future climates on semi-arid, abandoned, marginal, or degraded agricultural lands (Davis et al, 2021). The economic importance of Agave for fiber and spirits production (mainly in Brazil and Mexico) is clear, with 2.62 million tons of Agave tequilana produced in 2022 for Tequila (CRT, 2023) and other traditional mezcals now also internationally recognized and traded with Appellation of Origin status (Davis and Ortiz-Cano, 2023). Interest in Agave research and applications continues to increase due to its predicted resilience to the impacts of climate change (Davis et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Editorial: The role of agave as feedstock within a sustainable circular bioeconomy

Perez-Pimienta,

Méndez-Acosta,

Davis

et al. 2024

Front. Chem. Eng.

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Section: Introductionmentioning

confidence: 99%

Editorial: The role of agave as feedstock within a sustainable circular bioeconomy

Perez-Pimienta,

Méndez-Acosta,

Davis

et al. 2024

Front. Chem. Eng.

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“…Many plant members of the genus Agave are slow-growing xerophytic succulent perennials, which easily thrive in harsh environments of the arid and semi-arid regions characterized by low water availability, poor soil fertility, and often high salinity 38 . They exhibit unique physiological and morphological adaptations that make them intriguing subjects for biotechnological investigations 39 – 43 and for catering to land reclamation and ecological restoration in degraded ecosystems 41 , 43 – 47 . The development of stress-resilient food crops is a pressing need in the face of changing climate patterns, and agave plants could provide valuable genetic material for breeding programs aiming to enhance water use efficiency and stress tolerance in major crops 42 , 48 , 49 .…”

Section: Introductionmentioning

confidence: 99%

Novel Bacillus and Prestia isolates from Dwarf century plant enhance crop yield and salinity tolerance

Dhar,

Kaur,

Singh

et al. 2024

Sci Rep

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Soil salinity is a major environmental stressor impacting global food production. Staple crops like wheat experience significant yield losses in saline environments. Bioprospecting for beneficial microbes associated with stress-resistant plants offers a promising strategy for sustainable agriculture. We isolated two novel endophytic bacteria, Bacillus cereus (ADJ1) and Priestia aryabhattai (ADJ6), from Agave desmettiana Jacobi. Both strains displayed potent plant growth-promoting (PGP) traits, such as producing high amounts of indole-3-acetic acid (9.46, 10.00 µgml−1), ammonia (64.67, 108.97 µmol ml−1), zinc solubilization (Index of 3.33, 4.22, respectively), ACC deaminase production and biofilm formation. ADJ6 additionally showed inorganic phosphate solubilization (PSI of 2.77), atmospheric nitrogen fixation, and hydrogen cyanide production. Wheat seeds primed with these endophytes exhibited enhanced germination, improved growth profiles, and significantly increased yields in field trials. Notably, both ADJ1 and ADJ6 tolerated high salinity (up to 1.03 M) and significantly improved wheat germination and seedling growth under saline stress, acting both independently and synergistically. This study reveals promising stress-tolerance traits within endophytic bacteria from A. desmettiana. Exploiting such under-explored plant microbiomes offers a sustainable approach to developing salt-tolerant crops, mitigating the impact of climate change-induced salinization on global food security.

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Evolution history and the importance of genomic diversity facing climate change. The case of Agave marmorata Roezl., a microendemic agave used for mezcal production

Ruiz‐Mondragón,

Klimova,

Valiente‐Banuet

et al. 2024

Plants People Planet

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Social Impact StatementFor hundreds of years, Agave marmorata plants have been used in the production of alcoholic beverages in Mexico. This species is very important in small‐scale rural economies because it is a large plant, yielding five liters of mezcal. However, the production of these beverages takes place when it reaches its reproductive stage, which takes up to 35 years. Due to its slow maturation and high demand, it is considered an endangered species. Therefore, as a conservation strategy, this study proposes the creation of nurseries, genetic breeding programs, and demographic monitoring of wild populations to counteract the extraction of wild plants and, the conservation of the genetic diversity.Summary Agave marmorata Roezl., is an endemic species distributed in the states of Oaxaca and Puebla, Mexico, and locally is widely used to produce mezcal. We assessed the genomic diversity and differentiation using the RADseq method and 29,101 high‐quality single nucleotide polymorphisms (SNPs) in wild plants and grown under three different management types (cultivated, plants used as live fences, and young plants growing in nurseries). We examined the demographic history and used species distribution modeling to understand the future of A. marmorata under scenarios of climate change. We found high levels of genomic diversity (HS = 0.229) and moderate levels of inbreeding (FIS = 0.106 and Fhat3 = 0.190). The cultivated samples harbored less genetic diversity than the wild plants. Furthermore, we estimated low differentiation between cultivated and wild localities (FST = 0.037). In the wild samples, we identified two main genetic groups, one in the East and another in the West of its distribution area. This genetic structure possibly derived from a population contraction during the Pleistocene (~216,879.75 BP) and the formation of two refugia in small areas with climatic stability. Furthermore, the demographic reconstruction indicated that A. marmorata went through a recent population expansion event, with a large current Ne (Ne = 8,009). The future climate change models indicated contrasting possible changes in its distribution range, from an increase to the reduction of its suitable habitat, differences related to model parametrization, and future levels of CO2 production. We propose conservation measures for the different management types of the species while also considering the biotic and abiotic interactions of Agave marmorata.

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Lessons from the history of Agave: ecological and cultural context for valuation of CAM

Cited by 5 publications

References 111 publications

Editorial: The role of agave as feedstock within a sustainable circular bioeconomy

Editorial: The role of agave as feedstock within a sustainable circular bioeconomy

Novel Bacillus and Prestia isolates from Dwarf century plant enhance crop yield and salinity tolerance

Evolution history and the importance of genomic diversity facing climate change. The case of Agave marmorata Roezl., a microendemic agave used for mezcal production

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