Dioclea guianensis
Dioclea guianensis · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Dioclea guianensis is a notable botanical species recognized for its complex chemical profile. Research into its seeds has revealed a significant presence of manganese (Mn2+), which plays a role in its biological functions. Interestingly, certain components derived from the plant have been studied for their ability to influence histamine release in biological systems. Understanding these specific chemical interactions provides valuable insight into the plant's physiological properties. Consequently, this species serves as an important subject for investigations into plant-based chemical responses.
- Synonyms
- Dioclea Guianensis Var. Velutina · Dioclea Guianensis Var. Villosior · 1 more
- Common names
- Not available
- Family
- Fabaceae
- Distribution
- Asia-Temperate
- Plant Parts
- Seed
Classification
Synonyms
Dioclea guianensis is a complex species characterized by several botanical synonyms that reflect its diverse taxonomic history. Within its classification, it is closely associated with the name Dioclea panamensis, which highlights specific regional variations. The species also encompasses the variety Dioclea comosa var. panamensis, illustrating its interconnected lineage. Further nuance is provided by the recognized synonyms Dioclea guianensis var. velutina and Dioclea guianensis var. villosior. Understanding these various designations is essential for accurately identifying the different morphological forms of this plant.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Dioclea guianensis is a unique biological entity that belongs to the kingdom Plantae. Within this vast kingdom, the species is classified under the class Equisetopsida. It further falls into the order Fabales, showcasing its specific evolutionary lineage. As a member of the family Fabaceae, it shares common traits with many well-known legumes. Ultimately, this plant is defined by its placement within the genus Dioclea.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Dioclea |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Dioclea guianensis exhibits a broad and diverse geographical range that spans across several major regions. In North America, its presence is noted within Mexico and the southeastern portions of the country. Moving southward, the species is widely distributed throughout South America, specifically across various regions of Brazil. Its reach also extends into the Caribbean, where it can be found in Trinidad and Tobago. Finally, the plant inhabits Central America, with documented occurrences in areas such as Belize.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Dioclea guianensis typically presents as a shrubby plant that relies on an obligatory climbing habit to thrive. This specialized growth strategy allows it to ascend surrounding vegetation to reach optimal light levels.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Dioclea guianensis is a member of the Diocleinae subtribe that possesses specific lectins with unique carbohydrate-binding properties. Recent scientific investigations using pulsed EPR spectroscopy have revealed that these lectins contain Mn2+ ions. The research demonstrates that this manganese ion is integrated into a highly specific binding site within the plant's proteins. Specifically, the Mn2+ is coordinated to a conserved histidine residue and two water ligands. This consistent structural arrangement highlights a fundamental chemical characteristic shared among various species within the Diocleinae group.
Conditions
Dioclea guianensis contains lectins that possess the ability to induce histamine release in rat peritoneal mast cells. While these specific lectins demonstrate this biological activity, they exhibit less potency and efficacy compared to other species like Canavalia brasiliensis. This histamine-releasing effect is influenced by the presence of calcium, which is essential for the secretion process in mast cells. The research suggests that the proteins may interact with calcium, potentially impacting the overall secretion response. Ultimately, the study categorizes the impact of Dioclea guianensis within the spectrum of glucose-specific lectins that trigger such cellular reactions.
Preparations
Parts used
Dioclea guianensis is a plant species that contains seeds utilized for specialized scientific research. These seeds serve as the primary source for isolating various lectins found within the Diocleinae subfamily. Researchers have successfully extracted these proteins to perform detailed molecular characterization and crystallization studies. By analyzing the seed material, scientists can examine distinct pH-dependent dimer-tetramer equilibria through mass spectrometry. Ultimately, the study of these seeds provides critical insights into the primary structure and biochemical properties of the plant.