Evolutionary response to herbivory: population differentiation in microsatellite loci, tropane alkaloids and leaf trichome density in Datura stramonium

De-la-Cruz, Ivan Mijail; Cruz, Laura L.; Martínez-García, Lourdes; Valverde, Pedro Luis; Flores-Ortíz, César Mateo; Hernández-Portilla, Luis Barbo; Núñez‐Farfán, Juan

doi:10.1007/s11829-019-09735-7

Cited by 20 publications

(51 citation statements)

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“…De‐la‐Cruz et al. (2020) found that plants from Ticumán have on average higher alkaloid concentration than those in Teotihuacán. Why we did not observe strong selection to increase the IBD to the Ticumán grandparent (higher alkaloid concentration) in Ticumán?…”

Section: Discussionmentioning

confidence: 99%

“…Third, low degree of genetic differentiation at neutral loci has been detected between the two populations ( F ST = 0.06; De‐la‐Cruz et al. 2020). Finally, the two populations are highly differentiated in their level of tropane alkaloid concentrations (De‐la‐Cruz et al.…”

Section: Methodsmentioning

confidence: 99%

“…A total of 21 tropane alkaloids were identified and analyzed for all parental plants using methods described by De‐la‐Cruz et al. (2020).…”

Section: Methodsmentioning

confidence: 99%

“…First, we identified the seven most abundant constitutive alkaloids in D. stramonium : four tropane alkaloids (atropine, scopolamine, 3‐hydroxy‐6‐tigloyloxytropane, and anisodamine; De‐la‐Cruz et al. 2020), one alkaloid derived from the phenylalanine biosynthesis (phenylacetaldehyde), one pyrrolizidine alkaloid (pyrroline), and one triterpenoid of unknown name but of similar structure and molecular weight to azadirone triterpenoid (Álvarez‐Caballero and Coy‐Barrera 2019) (Supporting Information S2). Each alkaloid was searched and integrated (peak integration) individually in each chromatogram of each plant.…”

Section: Methodsmentioning

confidence: 99%

“…The main aim of this study was to assess the extent to which the evolution of plant defenses to insect herbivores has been driven by natural selection. To this end, we generated an F 2 progeny derived from the cross between two populations of the annual herb Datura stramonium (Asteridae; Solanaceae), known to differ in their level of chemical defense and herbivore community (De-la-Cruz et al 2020). The F 2 plants were reciprocally transplanted to the natural environments (populations) of the grandparents.…”

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confidence: 99%

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Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

et al. 2020

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Because most species are collections of genetically variable populations distributed to habitats differing in their abiotic/biotic environmental factors and community composition, the pattern and strength of natural selection imposed by species on each other's traits are also expected to be highly spatially variable. Here, we used genomic and quantitative genetic approaches to understand how spatially variable selection operates on the genetic basis of plant defenses to herbivores. To this end, an F 2 progeny was generated by crossing Datura stramonium (Solanaceae) parents from two populations differing in their level of chemical defense. This F 2 progeny was reciprocally transplanted into the parental plants' habitats and by measuring the identity by descent (IBD) relationship of each F 2 plant to each parent, we were able to elucidate how spatially variable selection imposed by herbivores operated on the genetic background (IBD) of resistance to herbivory, promoting local adaptation. The results highlight that plants possessing the highest total alkaloid concentrations (sum of all alkaloid classes) were not the most well-defended or fit. Instead, specific alkaloids and their linked loci/alleles were favored by selection imposed by different herbivores. This has led to population differentiation in plant defenses and thus, to local adaptation driven by plant-herbivore interactions.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

“…A total of 21 tropane alkaloids were identified and analyzed for all parental plants using methods described by De‐la‐Cruz et al. (2020).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

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Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

et al. 2020

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Fe₃O₄ and bimetal–organic framework Zn/Mg composite peroxide‐like catalyze luminol chemiluminescence for specific measurement of atropine in Datura plant

et al. 2023

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Atropine (AT) is a tropane alkaloid used as an anticholinergic drug. AT is abundantly in Datura plant seeds. In work: Zn/Mg bimetallic MOF integrated with Fe3O4, and Fe3O4@Zn/Mg MOF (Fe3O4@MOF) composite was synthesized. The compound has a high peroxidase‐like activity in the chemiluminescence (CL) reaction. The synergistic effect of Zn, Fe, and Mg metals in the Fenton reaction causes the production of reactive oxygen species (ROS), resulting in high CL intensity. Addition of AT quenching CL and thus AT can be measured. The linear range and limit of detection (LOD) for measuring AT standard solution are 5‐600μgL‐1 and 2×10‐2μgL‐1, respectively. This method is easy, fast, reversible, and selective, without biodegradability effects, low cost, high accuracy, and precision for measuring AT in the Datura plant.

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Inter‐annual variation in the abundance of specialist herbivores determines plant resistance in Datura stramonium

De‐la‐Cruz,

Núñez‐Farfán

2023

Ecology and Evolution

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The expression of plant resistance traits against arthropod herbivores often comes with costs to other essential plant functions such as growth and fitness. These trade‐offs are shaped by the allocation of limited resources. However, plants might also possess the capability to allocate resources to both resistance and growth, thereby ensuring their survival when under herbivore attacks. Additionally, the extent of damage caused by herbivores could vary across different years or seasons, subsequently impacting plant performance. In this study, we aimed to investigate how the annual variations in herbivore abundance and damage levels affect plant performance. We generated F2 progeny through a cross between two populations of the annual herb Datura stramonium (Solanaceae). These populations are known to have differing levels of chemical defense and herbivory. These F2 plants were cultivated in a common natural environment for two consecutive years (2017 and 2018). Our findings reveal that plants with higher resistance, attained higher seed production but this trend was evident only during 2018. This relationship coincided with a five‐fold increase in the abundance of Lema daturaphila (Chrysomelidae) larvae in 2018. Indeed, the plants experienced a 13‐fold increase in damage during this second year of study. Furthermore, our results indicated that there was no trade‐off between resistance, growth, and fitness in either of the 2 years. In contrast, during 2018, when plants faced stronger herbivore pressure, they allocated all available nutritional resources to enhance both resistance and growth. Our study highlights how the selection for plant resistance is dependent upon the inter‐annual variation in herbivore abundance.

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Evolutionary response to herbivory: population differentiation in microsatellite loci, tropane alkaloids and leaf trichome density in Datura stramonium

Cited by 20 publications

References 34 publications

Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

Fe₃O₄ and bimetal–organic framework Zn/Mg composite peroxide‐like catalyze luminol chemiluminescence for specific measurement of atropine in Datura plant

Inter‐annual variation in the abundance of specialist herbivores determines plant resistance in Datura stramonium

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Evolutionary response to herbivory: population differentiation in microsatellite loci, tropane alkaloids and leaf trichome density in Datura stramonium

Cited by 20 publications

References 34 publications

Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

Genomic and chemical evidence for local adaptation in resistance to different herbivores in Datura stramonium

Fe3O4 and bimetal–organic framework Zn/Mg composite peroxide‐like catalyze luminol chemiluminescence for specific measurement of atropine in Datura plant

Inter‐annual variation in the abundance of specialist herbivores determines plant resistance in Datura stramonium

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Fe₃O₄ and bimetal–organic framework Zn/Mg composite peroxide‐like catalyze luminol chemiluminescence for specific measurement of atropine in Datura plant