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Application of inter-simple sequence repeats to insect cell lines: identification at the clonal and tissue-specific
James J Grasela1, Arthur H McIntosh
1Biological Control of Insects Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, 1503 S. Providence Road, Research Park, Columbia, Missouri 65203-3535, USA. graselajj@missouri.edu
In Vitro Cellular & Developmental Biology. Animal
|March 25, 2004
Summary
Inter-simple sequence repeat (ISSR) analysis effectively distinguished insect cell lines. This deoxyribonucleic acid (DNA) fingerprinting method identified unique markers for parent-clone, tissue-specific, and interspecies cell line comparisons.
Area of Science:
- * Entomology
- * Molecular Biology
- * Genetics
Background:
- * Insect cell lines are crucial models in biological research.
- * Distinguishing between cell lines is essential for experimental reproducibility.
- * Deoxyribonucleic acid (DNA) fingerprinting offers a method for cell line characterization.
Purpose of the Study:
- * To evaluate the efficacy of Inter-Simple Sequence Repeat (ISSR) primers for differentiating insect cell lines.
- * To assess ISSR's utility in distinguishing cell lines at different comparison levels: parent-clone, tissue-specific, and interspecies.
- * To identify specific ISSR primers capable of generating unique DNA markers for insect cell line identification.
Main Methods:
- * DNA was extracted from 16 established insect cell lines across various species (Lepidoptera, Diptera, Coleoptera).
- * Inter-Simple Sequence Repeat (ISSR) primers were designed to target microsatellite regions.
- * DNA fingerprinting was performed using 16 different ISSR primers.
- * Cell lines were compared at three levels: parental vs. clones, different tissues within a species, and different species.
Main Results:
- * Nine out of 16 ISSR primers yielded unique markers, successfully distinguishing parental cell lines from their clones.
- * Four ISSR primers generated distinct DNA profiles, enabling differentiation among cell lines derived from specific tissues of the same insect species.
- * ISSR analysis provided the highest number of unique markers for distinguishing insect cell lines from different species.
Conclusions:
- * ISSR fingerprinting is a robust and effective molecular tool for insect cell line identification and characterization.
- * ISSR markers can reliably differentiate cell lines based on origin, including clonal relationships, tissue source, and species.
- * This technique enhances the accuracy and reliability of insect cell line usage in research settings.