Utex LB 1422 Ulva fasciata from the UTEX Culture Collection represents a well characterized marine green alga used in coastal physiology and biotechnology research. This established isolate supports reproducible studies of photosynthesis, biofouling, and biomass production under controlled culture conditions.
Researchers rely on documented metadata and storage conditions to maintain strain viability and ensure consistent experimental outcomes across laboratories. The following sections detail taxonomy, handling practices, and quality indicators for this ulva strain.
| Strain Designation | Taxonomic Identity | Source Repository | Preservation Method | Typical Application |
|---|---|---|---|---|
| Utex LB 1422 | Ulva fasciata | UTEX Culture Collection | Frozen stock or dried | Physiology and biotechnology |
| Catalog Reference | Strain Passport ID | UTEX Identifier | Storage Temperature | Verified Isolate |
| Culture Format | Morphological Trait | Geographic Origin | Viability Test | Purification Status |
Taxonomic And Isolation Background
Ulva fasciata is a benthic green macroalga characterized by folded thallus layers and rapid vegetative growth in eutrophic waters. The UTEX LB 1422 entry was isolated from a temperate coastal region and deposited to support reproducible studies of marine photobiology.
Taxonomic verification combines morphological examination with molecular markers to confirm identity within the Ulvaceae family. Documentation within the UTEX Culture Collection includes strain provenance, date of isolation, and authentication records.
Culture Maintenance And Handling
Maintaining Utex LB 1422 Ulva fasciata requires attention to salinity, temperature, and light regimes that mimic coastal conditions. Subculturing at regular intervals prevents overgrowth and preserves physiological consistency for experimental use.
Laboratories follow standardized protocols for thawing frozen stocks or inoculating agar plates, ensuring that clonal integrity and contamination checks are documented. Quality control steps include microscopic verification and growth rate monitoring under defined media.
Physiological And Biotechnological Relevance
Photosynthetic Performance
Ulva fasciata exhibits high photosynthetic efficiency, making it a model for studying light acclimation, nutrient uptake, and carbon fixation in macroalgae under varying environmental stresses.
Biomass And Compound Production
The strain is utilized for optimizing biomass yield, polysaccharide extraction, and bioactive compound screening relevant to biodegradable materials, nutraceuticals, and environmental applications.
Quality Control And Repository Standards
The UTEX Culture Collection applies rigorous quality assurance, including authentication by DNA barcoding, periodic viability testing, and metadata recording to support traceability and reproducibility.
Researchers can access detailed passport data, preservation conditions, and historical transfer records, which facilitate compliance with biobanking guidelines and regulatory requirements for marine biological resources.
Key Takeaways For Researchers
- Utex LB 1422 Ulva fasciata is a verified strain from the UTEX Culture Collection with defined taxonomic identity.
- Standardized metadata and preservation methods support reproducibility across coastal physiology and biotechnology studies.
- Routine subculturing, viability testing, and quality control safeguard clonal stability and experimental reliability.
- Photosynthetic and biomass characteristics make this strain suitable for studies on carbon fixation, nutrient uptake, and bioactive compound production.
- Access to detailed passport data and repository protocols enables compliance with biobanking standards and facilitates cross laboratory comparisons.
FAQ
Reader questions
What is the taxonomic identity and repository source of Utex LB 1422?
Utex LB 1422 is Ulva fasciata, a green macroalga maintained in the UTEX Culture Collection with verified passport metadata and standardized preservation records.
How is strain identity confirmed for this Ulva fasciata isolate?
Identity confirmation combines morphological assessment with molecular markers, ensuring accurate classification within Ulvaceae and matching repository passport data.
What preservation formats are available and how do they affect viability?
The strain is available as frozen stock or dried material, with viability periodically tested to ensure consistent performance in physiological and biotechnological assays.
Which growth parameters are critical for reliable culturing of Utex LB 1422?
Critical parameters include salinity, temperature, photoperiod, and nutrient composition, all managed through documented protocols to maintain clonal integrity and reproducible growth.