Choda #15 Liquid Culture

Choda #15 — A Later-Generation PE Mutant Isolation

Choda #15 is a later-generation isolation from the Choda PE mutant lineage, representing genetics that have undergone more rounds of selection and stabilization than the earlier-numbered isolates. In mycology research, later isolations often express more refined phenotypic characteristics — the additional selection cycles tend to amplify the traits that the isolator was selecting for while reducing background variability. For researchers comparing across the Choda isolation series, #15 provides the most advanced selection point in the lineup.

This liquid culture contains live Choda #15 mycelium for researchers conducting comparative studies across PE mutant isolation lines or seeking the most refined expression of the Choda phenotype available.

Research Characteristics

Choda #15 mycelium displays the growth characteristics typical of advanced PE mutant isolations — moderate to slow colonization with highly organized rhizomorphic development. The mycelial mat tends to be particularly dense and uniform, reflecting the stabilization work that later isolation numbers represent. Growth is determined and steady rather than explosive.

As a later isolation, #15 may show more extreme expression of the Choda phenotype’s characteristic proportions. In documented PE mutant research, later isolations tend to amplify the morphological traits that were being selected for — meaning Choda #15 may display the most pronounced squat, wide growth form among the numbered Choda lines. This makes it the most morphologically distinct isolation for comparative studies.

Spore production follows the PE mutant pattern — moderate to sparse, with deposits that are adequate for basic morphology work but not as prolific as mainstream cubensis strains. The spores themselves fall within standard cubensis parameters but may show subtle variations in wall thickness or size distribution compared to earlier Choda isolations.

Strain Background

Choda #15 represents the fifteenth numbered isolation from the Choda PE mutant lineage. Each number corresponds to a separate selection event — a point where the mycologist identified a colony sector or growth pattern that expressed the desired Choda characteristics and isolated it for further propagation. The higher number indicates either more selection rounds or a later chronological isolation from the working culture collection.

In research methodology, having access to multiple numbered isolations from a single lineage is valuable because it provides controlled variation. The parent genetics are constant (all Choda), but the selection history differs. Observing how #2, #6, and #15 differ reveals the effects of isolation and selection on phenotypic expression — one of the fundamental questions in mycological genetics.

Storage & Handling

• Store at 2–8°C (35–46°F) in a cool, dark location
• Do not freeze — freezing destroys live mycelium
• Use within 30 days of receipt for best viability
• Shake gently before use to redistribute mycelium
• Later PE mutant isolations may grow more slowly — patience is essential

Frequently Asked Questions

Why would a researcher want multiple Choda isolation numbers?

Having multiple numbered Choda isolations allows researchers to study phenotypic divergence within a controlled genetic lineage. Since all Choda isolates derive from the same parent genetics, any observed differences between #2, #6, and #15 can be attributed to the effects of isolation and selection rather than different starting genetics. This is one of the purest comparative research designs available in cubensis mycology.

Does #15 being a “higher number” mean it’s better?

Not necessarily “better” — but potentially more refined. Higher isolation numbers indicate more selection cycles, which tends to produce more extreme expression of the selected traits and more consistency across generations. Whether this is desirable depends on the research question. For morphological studies, more extreme expression can be advantageous. For studying natural variation, earlier isolations may be more informative.

Is Choda #15 the most advanced isolation you carry?

Among our Choda lines, #15 is the highest-numbered isolation. We also carry Choda #2 and Choda #6. Together, these three isolations span the early, middle, and later stages of the Choda selection process, providing a complete comparative set for researchers studying how isolation affects phenotypic expression within a PE mutant lineage.