UTEX 2976
Desmodesmus abundans


Condition: Axenic

Medium Type: Agar Slant


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Algae Details

UTEX Number: 2976
Class: Chlorophyceae
Strain: Desmodesmus abundans
Medium: BG-11 Medium (BG-11)
Origin: Monterrey, Nuevo Leí_n, Mexico
Description of Location: River óìLa Silla" - 540 meters above sea level. Freshwater city-river. Sample collected from stagnant pool of water (pH 7.85). General characteristics of the city of Monterrey, NL, Mexico: semi-arid climate, daily mean temperature of 22.3_C, average temperature high of 28.4_C and low of 16.3_C, and annual average precipitation of 590.9 mm.
GPS: "25.35 N 100.15 W"
Type Culture: No
Collection: Adriana Pacheco (June 2008)
Isolation: Carolina Sení©s-Guerrero (September 2009)
Isolator Number: RSM
Deposition: Adriana Pacheco (1/23/2013)
Relatives:
Also Known As: Scenedesmus abundans (O. Kirchner) Chodat 1913, UTEX LB 1358, CCAP 211/23, UTEX 343 (Chlorella fusca var. fusca).
Notes: High-CO2 tolerant species (25% v/v CO2). It also grew at 50% CO2. Tolerance to high NOx concentrations (1068 ppm nitrite). Moderate tolerance to SOx (?39 ppm bisulfite, 254 ppm sulfite). 18S rDNA partial sequence (GenBank accession no. HM633188.1) Lara-Gil JA, í�lvarez MM, Pacheco A (2013) Toxicity of flue gas components from cement plants in microalgae CO2 mitigation systems (submitted). Journal of Applied Phycology Sení©s-Guerrero C, Pacheco A (2013) Community changes during acclimation of a microalgae environmental sample to high CO2 concentrations (in preparation). Journal of Applied Phycology

General Long-Term Maintenance Conditions

Temperature: 20 °C
Light source: mix of warm-white & cool-white fluorescent lamps
Intensity: 3200 lux (maximum)
Periodicity: 12:12 Light/Dark Cycle

To reduce the risk of losing newly acquired cultures, it is highly recommended to initially duplicate the Collection's long-term maintenance conditions. Please note that these general maintenance conditions are not designed for optimal algal growth rates or large quantities. For information on the best growth conditions and media, consult other literature or conduct your own experiments. Once a stock culture is established, subcultures can be used to test other conditions.

You can find additional details on the long-term culture maintenance conditions on the Culture Maintenance Guides page.


Preparation of Living Algal Strains For Orders

Agar cultures are transferred to fresh agar slants in 20-mm glass screwcap tubes. After quality control (QC) checks via microscopy are completed, the tubes are cultured under a diurnal light cycle for a minimum of three (3) days.

Cultures are sealed and packaged in a temperature-regulating mailer and shipped the same day.

UTEX makes no attempt to quantify the number of organisms or other characteristics of the culture and only guarantees the identity of the organism as specified in the strain history.


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