Arabidopsis lyrata
Arabidopsis lyrata · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Arabidopsis lyrata is a perennial herb that serves as a vital model organism in the study of plant evolutionary biology. This species is closely related to the well-known Arabidopsis thaliana, offering unique insights into genetic diversity and adaptation. One of its most notable biochemical characteristics is the production of specialized secondary metabolites. Among these important compounds are camalexin and various triterpenoids, which play significant roles in the plant's defense mechanisms. Understanding these chemical profiles helps researchers unravel the complex relationship between plant metabolism and environmental survival.
- Synonyms
- Cardaminopsis Lyrata · Erysimum Lyratum · 1 more
- Common names
- Not available
- Family
- Brassicaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Arabidopsis lyrata is a botanical species recognized by a diverse array of common names across different regions. It is frequently referred to as Lyre-leaf Rockcress or Lyreleaf Rockcress depending on local linguistic preferences. Some enthusiasts and botanists may also identify the plant as Lyrate Rockcress or Lyre-leaved Rockcress. In certain contexts, particularly in French-speaking areas, it is known as the arabette lyrée. This variety of nomenclature highlights the plant's widespread recognition within the natural world.
Sources: Catalogue of Life (COL)
Synonyms
Arabidopsis lyrata is a species known to be associated with several different scientific names throughout botanical history. It is frequently identified by the synonym Arabis lyrata in various taxonomic records. Furthermore, researchers may encounter this plant documented as Cardaminopsis lyrata depending on the classification system used. The species is also linked to the name Erysimum lyratum within older literature. Understanding these overlapping synonyms is essential for maintaining accuracy in botanical studies and plant identification.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Arabidopsis lyrata is a fascinating member of the kingdom Plantae that showcases the intricate hierarchy of biological classification. Within this vast kingdom, it is classified under the class Equisetopsida, marking its fundamental place among vascular plants. Moving down the taxonomic ladder, it belongs to the order Brassicales, a group that connects it to various diverse species. This plant is further nested within the family Brassicaceae, where it shares structural characteristics with many well-known mustard relatives. Ultimately, it is defined by its specific genus, Arabidopsis, which distinguishes it as a vital subject in botanical research.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Arabidopsis |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Arabidopsis lyrata is widely distributed across the diverse landscapes of the Asia-Temperate region. This resilient plant can be found flourishing throughout China and the Manchuria area. Its presence extends across Eastern Asia, encompassing the islands of Japan and the territory of Taiwan. Additionally, it is commonly documented throughout the Korean peninsula. The species also occupies significant portions of the Russian Far East, specifically within the Amur region.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Arabidopsis lyrata is a self-supporting herb that plays a unique role in its ecosystem. This plant typically maintains a modest stature, with a maximum height reaching only 0.25 meters. Depending on its environmental conditions, the height of an individual specimen can vary significantly. Most instances of the plant measure at least 0.1 meters tall, though some smaller individuals may start as low as 0.075 meters. These compact dimensions allow the species to thrive within its specific ecological niche.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Arabidopsis lyrata exhibits complex biochemical mechanisms that play a vital role in its defensive response to environmental stressors. Research has confirmed that this species contains camalexin, a phytoalexin produced in response to bacterial or fungal inoculation. Additionally, the plant is characterized by its involvement in triterpenoid metabolism, although these pathways may appear in more rudimentary forms compared to its close relatives. These triterpenoids, such as those found within the Arabidopsis genus, are essential for providing protection against various biotic threats. Together, the presence of camalexin and specific triterpenoid pathways highlights the sophisticated chemical arsenal utilized by Arabidopsis lyrata.
Conditions
Arabidopsis lyrata responds to the presence of the fungal nonpathogen Cochliobolus carbonum by initiating a specific chemical defense mechanism. This plant also reacts to the bacterial pathogen Pseudomonas syringae pv. maculicola strain ES4326 through a similar biological process. In both instances of infection, the plant accumulates a specialized compound known as camalexin. This phytoalexin serves as a defensive measure against these specific microbial threats. Consequently, the production of camalexin characterizes the interaction between Arabidopsis lyrata and both the fungus and the bacteria.